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[string] Hoist UTF8View fast-path for known ASCII #14052

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Merged
merged 1 commit into from
Jan 23, 2018
Merged

[string] Hoist UTF8View fast-path for known ASCII #14052

merged 1 commit into from
Jan 23, 2018

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milseman
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@milseman milseman requested a review from lorentey January 22, 2018 07:35
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@swift-ci please test

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@swift-ci please smoke benchmark

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This speeds up ArrayAppendAscii by ~2x.

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Build comment file:

Optimized (O)

Regression (11)
TEST OLD NEW DELTA SPEEDUP
Sim2DArray 412 652 +58.3% 0.63x
ObserverForwarderStruct 870 1084 +24.6% 0.80x (?)
PrefixWhileArray 88 105 +19.3% 0.84x
SuffixCountableRange 11 12 +9.1% 0.92x
DropLastCountableRange 11 12 +9.1% 0.92x
NopDeinit 21571 23306 +8.0% 0.93x
BinaryFloatingPointConversionFromBinaryInteger 45 48 +6.7% 0.94x
StringWordBuilderReservingCapacity 960 1020 +6.2% 0.94x
ArrayAppendUTF16 35741 37916 +6.1% 0.94x
FrequenciesUsingReduce 6752 7134 +5.7% 0.95x
NibbleSort 3956 4170 +5.4% 0.95x
Improvement (34)
TEST OLD NEW DELTA SPEEDUP
ArrayAppendAscii 25218 13684 -45.7% 1.84x
RangeIterationSigned 200 171 -14.5% 1.17x
CStringLongAscii 5881 5091 -13.4% 1.16x
PrefixWhileCountableRange 53 46 -13.2% 1.15x
StringWithCString 53773 46789 -13.0% 1.15x
Calculator 509 450 -11.6% 1.13x
MapReduceLazyCollectionShort 38 34 -10.5% 1.12x
ObjectiveCBridgeFromNSArrayAnyObjectToStringForced 46206 42146 -8.8% 1.10x
PointerArithmetics 34351 31486 -8.3% 1.09x
DropLastCountableRangeLazy 12 11 -8.3% 1.09x
ObjectiveCBridgeFromNSArrayAnyObjectForced 4980 4578 -8.1% 1.09x (?)
DropLastSequenceLazy 738 684 -7.3% 1.08x
DropLastSequence 734 681 -7.2% 1.08x
CharIndexing_tweet_unicodeScalars 35402 33003 -6.8% 1.07x
ObjectiveCBridgeFromNSSetAnyObjectToString 83698 78061 -6.7% 1.07x (?)
MapReduceAnyCollection 456 428 -6.1% 1.07x
CharIteration_tweet_unicodeScalars_Backwards 27847 26147 -6.1% 1.07x
CharIteration_punctuated_unicodeScalars_Backwards 3231 3034 -6.1% 1.06x
CharIteration_korean_unicodeScalars_Backwards 13686 12866 -6.0% 1.06x
CharIteration_ascii_unicodeScalars_Backwards 14118 13284 -5.9% 1.06x
CharIndexing_ascii_unicodeScalars 17777 16745 -5.8% 1.06x
CharIndexing_korean_unicodeScalars 17239 16242 -5.8% 1.06x
CharIndexing_chinese_unicodeScalars 13457 12680 -5.8% 1.06x
CharIndexing_japanese_unicodeScalars 21272 20046 -5.8% 1.06x
CharIndexing_russian_unicodeScalars 14802 13955 -5.7% 1.06x
CharIteration_russian_unicodeScalars_Backwards 11768 11099 -5.7% 1.06x
CharIndexing_punctuated_unicodeScalars 4019 3793 -5.6% 1.06x
CharIteration_utf16_unicodeScalars_Backwards 17341 16388 -5.5% 1.06x
CharIteration_punctuatedJapanese_unicodeScalars_Backwards 2594 2452 -5.5% 1.06x
CharIndexing_punctuatedJapanese_unicodeScalars 3212 3037 -5.4% 1.06x
CharIteration_chinese_unicodeScalars_Backwards 10702 10121 -5.4% 1.06x
CharIteration_japanese_unicodeScalars_Backwards 16891 16041 -5.0% 1.05x
ObjectiveCBridgeStubFromArrayOfNSString 33143 31488 -5.0% 1.05x (?)
ObjectiveCBridgeFromNSArrayAnyObject 22309 21243 -4.8% 1.05x (?)
No Changes (312)
TEST OLD NEW DELTA SPEEDUP
AngryPhonebook 3457 3463 +0.2% 1.00x (?)
AnyHashableWithAClass 70168 70234 +0.1% 1.00x (?)
Array2D 2519 2518 -0.0% 1.00x (?)
ArrayAppend 979 978 -0.1% 1.00x (?)
ArrayAppendArrayOfInt 743 744 +0.1% 1.00x (?)
ArrayAppendFromGeneric 744 738 -0.8% 1.01x (?)
ArrayAppendGenericStructs 1359 1357 -0.1% 1.00x (?)
ArrayAppendLatin1 37306 38381 +2.9% 0.97x
ArrayAppendLazyMap 1288 1287 -0.1% 1.00x (?)
ArrayAppendOptionals 1357 1358 +0.1% 1.00x (?)
ArrayAppendRepeatCol 1285 1285 +0.0% 1.00x
ArrayAppendReserved 724 724 +0.0% 1.00x
ArrayAppendSequence 1080 1081 +0.1% 1.00x (?)
ArrayAppendStrings 15152 15156 +0.0% 1.00x (?)
ArrayAppendToFromGeneric 744 743 -0.1% 1.00x (?)
ArrayAppendToGeneric 743 743 +0.0% 1.00x
ArrayInClass 86 85 -1.2% 1.01x
ArrayLiteral 0 0 +0.0% 1.00x
ArrayOfGenericPOD2 146 146 +0.0% 1.00x
ArrayOfGenericRef 4275 4267 -0.2% 1.00x
ArrayOfPOD 177 177 +0.0% 1.00x
ArrayOfRef 4247 4248 +0.0% 1.00x (?)
ArrayPlusEqualArrayOfInt 747 742 -0.7% 1.01x
ArrayPlusEqualFiveElementCollection 5577 5583 +0.1% 1.00x (?)
ArrayPlusEqualSingleElementCollection 977 979 +0.2% 1.00x
ArrayPlusEqualThreeElements 1579 1578 -0.1% 1.00x (?)
ArraySubscript 1487 1487 +0.0% 1.00x
ArrayValueProp 8 8 +0.0% 1.00x
ArrayValueProp2 8 8 +0.0% 1.00x
ArrayValueProp3 8 8 +0.0% 1.00x
ArrayValueProp4 8 8 +0.0% 1.00x
BitCount 202 202 +0.0% 1.00x
ByteSwap 102 102 +0.0% 1.00x
COWTree 3363 3379 +0.5% 1.00x
CSVParsing 969581 960662 -0.9% 1.01x (?)
CSVParsingAlt 713351 717699 +0.6% 0.99x
CSVParsingAltIndices 351966 358384 +1.8% 0.98x
CStringLongNonAscii 2132 2225 +4.4% 0.96x
CStringShortAscii 4796 4651 -3.0% 1.03x
CaptureProp 7685 7729 +0.6% 0.99x
CharIndexing_ascii_unicodeScalars_Backwards 15975 15515 -2.9% 1.03x
CharIndexing_chinese_unicodeScalars_Backwards 12101 11743 -3.0% 1.03x
CharIndexing_japanese_unicodeScalars_Backwards 19120 18558 -2.9% 1.03x
CharIndexing_korean_unicodeScalars_Backwards 15493 15035 -3.0% 1.03x
CharIndexing_punctuatedJapanese_unicodeScalars_Backwards 2905 2829 -2.6% 1.03x
CharIndexing_punctuated_unicodeScalars_Backwards 3632 3530 -2.8% 1.03x
CharIndexing_russian_unicodeScalars_Backwards 13317 12924 -3.0% 1.03x
CharIndexing_tweet_unicodeScalars_Backwards 31562 30312 -4.0% 1.04x
CharIndexing_utf16_unicodeScalars 25412 25060 -1.4% 1.01x
CharIndexing_utf16_unicodeScalars_Backwards 25586 25504 -0.3% 1.00x
CharIteration_ascii_unicodeScalars 20558 21041 +2.3% 0.98x
CharIteration_chinese_unicodeScalars 15536 15901 +2.3% 0.98x
CharIteration_japanese_unicodeScalars 24623 25184 +2.3% 0.98x
CharIteration_korean_unicodeScalars 19926 20389 +2.3% 0.98x
CharIteration_punctuatedJapanese_unicodeScalars 3723 3778 +1.5% 0.99x
CharIteration_punctuated_unicodeScalars 4634 4727 +2.0% 0.98x
CharIteration_russian_unicodeScalars 17088 17513 +2.5% 0.98x
CharIteration_tweet_unicodeScalars 40663 41475 +2.0% 0.98x
CharIteration_utf16_unicodeScalars 26969 27318 +1.3% 0.99x
CharacterLiteralsLarge 5755 5752 -0.1% 1.00x (?)
CharacterLiteralsSmall 403 411 +2.0% 0.98x
CharacterPropertiesFetch 4386 4386 +0.0% 1.00x
CharacterPropertiesPrecomputed 953 952 -0.1% 1.00x
CharacterPropertiesStashed 1505 1507 +0.1% 1.00x (?)
CharacterPropertiesStashedMemo 1498 1503 +0.3% 1.00x (?)
Chars 965 964 -0.1% 1.00x
ClassArrayGetter 15 15 +0.0% 1.00x
Combos 454 451 -0.7% 1.01x
DictOfArraysToArrayOfDicts 857 855 -0.2% 1.00x (?)
Dictionary 756 767 +1.5% 0.99x
Dictionary2 1919 1914 -0.3% 1.00x
Dictionary2OfObjects 3296 3291 -0.2% 1.00x
Dictionary3 566 566 +0.0% 1.00x
Dictionary3OfObjects 916 915 -0.1% 1.00x (?)
DictionaryBridge 2205 2109 -4.4% 1.05x (?)
DictionaryGroup 145 145 +0.0% 1.00x
DictionaryGroupOfObjects 1809 1814 +0.3% 1.00x (?)
DictionaryLiteral 1547 1545 -0.1% 1.00x (?)
DictionaryOfObjects 2395 2405 +0.4% 1.00x
DictionaryRemove 2802 2855 +1.9% 0.98x
DictionaryRemoveOfObjects 22437 22592 +0.7% 0.99x
DictionarySubscriptDefaultMutation 152 151 -0.7% 1.01x
DictionarySubscriptDefaultMutationArray 487 487 +0.0% 1.00x
DictionarySubscriptDefaultMutationArrayOfObjects 3659 3646 -0.4% 1.00x
DictionarySubscriptDefaultMutationOfObjects 1292 1295 +0.2% 1.00x (?)
DictionarySwap 485 485 +0.0% 1.00x
DictionarySwapOfObjects 7247 7527 +3.9% 0.96x
DropFirstAnyCollection 75 75 +0.0% 1.00x
DropFirstAnyCollectionLazy 65948 65851 -0.1% 1.00x (?)
DropFirstAnySeqCRangeIter 19241 19277 +0.2% 1.00x
DropFirstAnySeqCRangeIterLazy 19239 19280 +0.2% 1.00x
DropFirstAnySeqCntRange 71 71 +0.0% 1.00x
DropFirstAnySeqCntRangeLazy 71 71 +0.0% 1.00x
DropFirstAnySequence 4338 4363 +0.6% 0.99x
DropFirstAnySequenceLazy 4342 4389 +1.1% 0.99x
DropFirstArray 35 35 +0.0% 1.00x
DropFirstArrayLazy 35 35 +0.0% 1.00x
DropFirstCountableRange 35 35 +0.0% 1.00x
DropFirstCountableRangeLazy 35 35 +0.0% 1.00x
DropFirstSequence 2621 2621 +0.0% 1.00x
DropFirstSequenceLazy 2714 2715 +0.0% 1.00x (?)
DropLastAnyCollection 27 27 +0.0% 1.00x
DropLastAnyCollectionLazy 21815 21914 +0.5% 1.00x (?)
DropLastAnySeqCRangeIter 3515 3544 +0.8% 0.99x
DropLastAnySeqCRangeIterLazy 3510 3548 +1.1% 0.99x
DropLastAnySeqCntRange 23 23 +0.0% 1.00x
DropLastAnySeqCntRangeLazy 23 23 +0.0% 1.00x
DropLastAnySequence 5081 5119 +0.7% 0.99x
DropLastAnySequenceLazy 5168 5206 +0.7% 0.99x
DropWhileAnyCollection 99 99 +0.0% 1.00x
DropWhileAnyCollectionLazy 147 147 +0.0% 1.00x
DropWhileAnySeqCRangeIter 15557 15631 +0.5% 1.00x
DropWhileAnySeqCRangeIterLazy 147 147 +0.0% 1.00x
DropWhileAnySeqCntRange 95 95 +0.0% 1.00x
DropWhileAnySeqCntRangeLazy 147 147 +0.0% 1.00x
DropWhileAnySequence 4696 4685 -0.2% 1.00x (?)
DropWhileAnySequenceLazy 1831 1830 -0.1% 1.00x (?)
DropWhileArrayLazy 129 129 +0.0% 1.00x
DropWhileCountableRange 36 36 +0.0% 1.00x
DropWhileCountableRangeLazy 111 111 +0.0% 1.00x
DropWhileSequence 1322 1321 -0.1% 1.00x (?)
DropWhileSequenceLazy 88 88 +0.0% 1.00x
EqualStringSubstring 418 421 +0.7% 0.99x (?)
EqualSubstringString 418 421 +0.7% 0.99x (?)
EqualSubstringSubstring 419 421 +0.5% 1.00x
EqualSubstringSubstringGenericEquatable 419 421 +0.5% 1.00x
ErrorHandling 2300 2283 -0.7% 1.01x (?)
ExclusivityGlobal 5 5 +0.0% 1.00x
ExclusivityIndependent 2 2 +0.0% 1.00x
FilterEvenUsingReduce 1286 1282 -0.3% 1.00x (?)
FilterEvenUsingReduceInto 144 144 +0.0% 1.00x
FrequenciesUsingReduceInto 3192 3204 +0.4% 1.00x (?)
Hanoi 3692 3698 +0.2% 1.00x
HashTest 1663 1669 +0.4% 1.00x (?)
Histogram 347 339 -2.3% 1.02x
Integrate 217 217 +0.0% 1.00x
IterateData 1316 1372 +4.3% 0.96x
Join 357 357 +0.0% 1.00x
LazilyFilteredArrayContains 31481 30681 -2.5% 1.03x
LazilyFilteredArrays 66295 66277 -0.0% 1.00x (?)
LazilyFilteredRange 3911 3810 -2.6% 1.03x
LessSubstringSubstring 419 421 +0.5% 1.00x (?)
LessSubstringSubstringGenericComparable 419 421 +0.5% 1.00x (?)
LinkedList 7129 7130 +0.0% 1.00x (?)
LuhnAlgoEager 580 588 +1.4% 0.99x (?)
LuhnAlgoLazy 588 587 -0.2% 1.00x (?)
MapReduce 457 458 +0.2% 1.00x (?)
MapReduceAnyCollectionShort 1996 2007 +0.6% 0.99x (?)
MapReduceClass 3026 3025 -0.0% 1.00x (?)
MapReduceClassShort 4491 4551 +1.3% 0.99x (?)
MapReduceLazyCollection 13 13 +0.0% 1.00x
MapReduceLazySequence 86 86 +0.0% 1.00x
MapReduceSequence 454 454 +0.0% 1.00x
MapReduceShort 2012 1988 -1.2% 1.01x (?)
MapReduceShortString 20 20 +0.0% 1.00x
MapReduceString 85 85 +0.0% 1.00x
Memset 213 213 +0.0% 1.00x
MonteCarloE 10314 10424 +1.1% 0.99x
MonteCarloPi 42872 42872 +0.0% 1.00x
NSDictionaryCastToSwift 5345 5256 -1.7% 1.02x (?)
NSError 292 291 -0.3% 1.00x
NSStringConversion 335 335 +0.0% 1.00x
ObjectAllocation 176 178 +1.1% 0.99x
ObjectiveCBridgeFromNSArrayAnyObjectToString 46148 44860 -2.8% 1.03x (?)
ObjectiveCBridgeFromNSDictionaryAnyObject 131873 134249 +1.8% 0.98x (?)
ObjectiveCBridgeFromNSSetAnyObject 62539 63414 +1.4% 0.99x (?)
ObjectiveCBridgeFromNSSetAnyObjectForced 4509 4520 +0.2% 1.00x (?)
ObjectiveCBridgeFromNSString 1604 1635 +1.9% 0.98x (?)
ObjectiveCBridgeFromNSStringForced 2783 2762 -0.8% 1.01x
ObjectiveCBridgeStubDataAppend 4134 4098 -0.9% 1.01x
ObjectiveCBridgeStubDateMutation 256 257 +0.4% 1.00x (?)
ObjectiveCBridgeStubFromNSDate 4023 4074 +1.3% 0.99x
ObjectiveCBridgeStubFromNSString 1049 1045 -0.4% 1.00x
ObjectiveCBridgeStubFromNSStringRef 169 164 -3.0% 1.03x
ObjectiveCBridgeStubNSDataAppend 2611 2572 -1.5% 1.02x (?)
ObjectiveCBridgeStubNSDateMutationRef 12779 12753 -0.2% 1.00x (?)
ObjectiveCBridgeStubToArrayOfNSString 29855 29329 -1.8% 1.02x (?)
ObjectiveCBridgeStubToNSDate 15039 15548 +3.4% 0.97x (?)
ObjectiveCBridgeStubToNSDateRef 3385 3434 +1.4% 0.99x (?)
ObjectiveCBridgeStubToNSString 1442 1443 +0.1% 1.00x
ObjectiveCBridgeStubToNSStringRef 118 120 +1.7% 0.98x
ObjectiveCBridgeStubURLAppendPath 340611 352948 +3.6% 0.97x (?)
ObjectiveCBridgeStubURLAppendPathRef 349509 349149 -0.1% 1.00x (?)
ObjectiveCBridgeToNSArray 28480 28396 -0.3% 1.00x (?)
ObjectiveCBridgeToNSDictionary 62167 61365 -1.3% 1.01x (?)
ObjectiveCBridgeToNSSet 53146 53104 -0.1% 1.00x (?)
ObjectiveCBridgeToNSString 1216 1220 +0.3% 1.00x
ObserverClosure 2011 2074 +3.1% 0.97x (?)
ObserverPartiallyAppliedMethod 3474 3555 +2.3% 0.98x
ObserverUnappliedMethod 2138 2140 +0.1% 1.00x (?)
OpenClose 263 266 +1.1% 0.99x
PartialApplyDynamicType 0 0 +0.0% 1.00x
Phonebook 4162 4149 -0.3% 1.00x
PolymorphicCalls 25 25 +0.0% 1.00x
PopFrontArray 1870 1877 +0.4% 1.00x (?)
PopFrontArrayGeneric 1897 1894 -0.2% 1.00x
PopFrontUnsafePointer 8872 8854 -0.2% 1.00x (?)
PrefixAnyCollection 75 75 +0.0% 1.00x
PrefixAnyCollectionLazy 65310 65332 +0.0% 1.00x (?)
PrefixAnySeqCRangeIter 14954 14980 +0.2% 1.00x
PrefixAnySeqCRangeIterLazy 14952 14979 +0.2% 1.00x
PrefixAnySeqCntRange 71 71 +0.0% 1.00x
PrefixAnySeqCntRangeLazy 71 71 +0.0% 1.00x
PrefixAnySequence 3713 3739 +0.7% 0.99x
PrefixAnySequenceLazy 3705 3678 -0.7% 1.01x
PrefixArray 35 35 +0.0% 1.00x
PrefixArrayLazy 35 35 +0.0% 1.00x
PrefixCountableRange 35 35 +0.0% 1.00x
PrefixCountableRangeLazy 35 35 +0.0% 1.00x
PrefixSequence 1307 1306 -0.1% 1.00x
PrefixSequenceLazy 1377 1377 +0.0% 1.00x
PrefixWhileAnyCollection 146 146 +0.0% 1.00x
PrefixWhileAnyCollectionLazy 106 106 +0.0% 1.00x
PrefixWhileAnySeqCRangeIter 9366 9440 +0.8% 0.99x (?)
PrefixWhileAnySeqCRangeIterLazy 106 106 +0.0% 1.00x
PrefixWhileAnySeqCntRange 141 141 +0.0% 1.00x
PrefixWhileAnySeqCntRangeLazy 106 106 +0.0% 1.00x
PrefixWhileAnySequence 10434 10389 -0.4% 1.00x (?)
PrefixWhileAnySequenceLazy 1373 1373 +0.0% 1.00x
PrefixWhileArrayLazy 70 70 +0.0% 1.00x
PrefixWhileCountableRangeLazy 35 35 +0.0% 1.00x
PrefixWhileSequence 390 390 +0.0% 1.00x
PrefixWhileSequenceLazy 52 52 +0.0% 1.00x
Prims 763 759 -0.5% 1.01x
PrimsSplit 759 762 +0.4% 1.00x (?)
RC4 164 165 +0.6% 0.99x
RGBHistogram 2812 2834 +0.8% 0.99x
RGBHistogramOfObjects 23372 23316 -0.2% 1.00x (?)
RangeAssignment 380 382 +0.5% 0.99x (?)
RangeIterationSigned64 200 200 +0.0% 1.00x
RangeIterationUnsigned 200 200 +0.0% 1.00x
RangeReplaceableCollectionPlusDefault 955 954 -0.1% 1.00x (?)
RecursiveOwnedParameter 2267 2294 +1.2% 0.99x
ReversedArray 57 57 +0.0% 1.00x
ReversedBidirectional 15495 15491 -0.0% 1.00x (?)
ReversedDictionary 121 122 +0.8% 0.99x (?)
RomanNumbers 110643 110319 -0.3% 1.00x (?)
SetExclusiveOr 3558 3529 -0.8% 1.01x (?)
SetExclusiveOr_OfObjects 8414 8386 -0.3% 1.00x
SetIntersect 317 319 +0.6% 0.99x
SetIntersect_OfObjects 1708 1712 +0.2% 1.00x
SetIsSubsetOf 291 292 +0.3% 1.00x
SetIsSubsetOf_OfObjects 349 349 +0.0% 1.00x
SetUnion 2946 2944 -0.1% 1.00x (?)
SetUnion_OfObjects 6902 6931 +0.4% 1.00x
SevenBoom 1474 1467 -0.5% 1.00x (?)
SortLargeExistentials 6814 6755 -0.9% 1.01x
SortLettersInPlace 1096 1097 +0.1% 1.00x (?)
SortSortedStrings 1160 1116 -3.8% 1.04x
SortStrings 2050 1969 -4.0% 1.04x
SortStringsUnicode 15149 15199 +0.3% 1.00x (?)
StackPromo 22107 21976 -0.6% 1.01x
StaticArray 6 6 +0.0% 1.00x
StrComplexWalk 1569 1572 +0.2% 1.00x
StrToInt 2183 2149 -1.6% 1.02x
StringAdder 4091 4086 -0.1% 1.00x (?)
StringBuilder 1290 1300 +0.8% 0.99x
StringBuilderLong 1044 1048 +0.4% 1.00x (?)
StringComparison_abnormal 852 854 +0.2% 1.00x (?)
StringComparison_ascii 992 1007 +1.5% 0.99x
StringComparison_emoji 2452 2467 +0.6% 0.99x
StringComparison_fastPrenormal 8632 8672 +0.5% 1.00x
StringComparison_latin1 5924 5951 +0.5% 1.00x (?)
StringComparison_longSharedPrefix 11233 11244 +0.1% 1.00x (?)
StringComparison_nonBMPSlowestPrenormal 4498 4523 +0.6% 0.99x
StringComparison_slowerPrenormal 4094 4116 +0.5% 0.99x
StringComparison_zalgo 1692 1694 +0.1% 1.00x
StringEdits 201187 194374 -3.4% 1.04x
StringEnumRawValueInitialization 1360 1360 +0.0% 1.00x
StringEqualPointerComparison 286 286 +0.0% 1.00x
StringFromLongWholeSubstring 21 21 +0.0% 1.00x
StringFromLongWholeSubstringGeneric 10 10 +0.0% 1.00x
StringHasPrefixAscii 1660 1603 -3.4% 1.04x
StringHasPrefixUnicode 28228 28102 -0.4% 1.00x
StringHasSuffixAscii 1774 1746 -1.6% 1.02x
StringHasSuffixUnicode 87977 88024 +0.1% 1.00x (?)
StringInterpolation 8685 8647 -0.4% 1.00x (?)
StringMatch 7609 7419 -2.5% 1.03x
StringRemoveDupes 1091 1091 +0.0% 1.00x
StringUTF16Builder 2275 2267 -0.4% 1.00x (?)
StringWalk 1601 1580 -1.3% 1.01x
StringWordBuilder 1261 1324 +5.0% 0.95x
SubstringComparable 1990 2017 +1.4% 0.99x (?)
SubstringEqualString 2080 2086 +0.3% 1.00x (?)
SubstringEquatable 3146 3141 -0.2% 1.00x (?)
SubstringFromLongString 10 10 +0.0% 1.00x
SubstringFromLongStringGeneric 69 70 +1.4% 0.99x (?)
SuffixAnyCollection 27 27 +0.0% 1.00x
SuffixAnyCollectionLazy 21993 22156 +0.7% 0.99x (?)
SuffixAnySeqCRangeIter 3809 3842 +0.9% 0.99x
SuffixAnySeqCRangeIterLazy 3805 3826 +0.6% 0.99x (?)
SuffixAnySeqCntRange 23 23 +0.0% 1.00x
SuffixAnySeqCntRangeLazy 23 23 +0.0% 1.00x
SuffixAnySequence 5067 5098 +0.6% 0.99x
SuffixAnySequenceLazy 5162 5205 +0.8% 0.99x
SuffixCountableRangeLazy 11 11 +0.0% 1.00x
SuffixSequence 3770 3798 +0.7% 0.99x
SuffixSequenceLazy 3766 3789 +0.6% 0.99x
SumUsingReduce 97 102 +5.2% 0.95x
SumUsingReduceInto 97 102 +5.2% 0.95x
SuperChars 40721 40645 -0.2% 1.00x (?)
TwoSum 993 993 +0.0% 1.00x
TypeFlood 0 0 +0.0% 1.00x
UTF8Decode 313 318 +1.6% 0.98x
Walsh 428 433 +1.2% 0.99x
WordCountHistogramASCII 8854 8876 +0.2% 1.00x (?)
WordCountHistogramUTF16 51913 53494 +3.0% 0.97x (?)
WordCountUniqueASCII 2549 2609 +2.4% 0.98x
WordCountUniqueUTF16 21746 21917 +0.8% 0.99x (?)
WordSplitASCII 21834 21775 -0.3% 1.00x (?)
WordSplitUTF16 22365 22292 -0.3% 1.00x (?)
XorLoop 384 384 +0.0% 1.00x

Unoptimized (Onone)

Regression (8)
TEST OLD NEW DELTA SPEEDUP
ObjectiveCBridgeFromNSArrayAnyObjectForced 8570 9363 +9.3% 0.92x (?)
DropFirstAnyCollectionLazy 98336 105751 +7.5% 0.93x (?)
StackPromo 85113 91290 +7.3% 0.93x
CharIndexing_punctuated_unicodeScalars 78870 83935 +6.4% 0.94x (?)
TypeFlood 159 169 +6.3% 0.94x
CharIndexing_korean_unicodeScalars 351574 373533 +6.2% 0.94x (?)
ArrayAppendUTF16 60621 63839 +5.3% 0.95x
ObjectiveCBridgeFromNSArrayAnyObject 23667 24916 +5.3% 0.95x (?)
Improvement (12)
TEST OLD NEW DELTA SPEEDUP
ArrayAppendAscii 49902 40415 -19.0% 1.23x
ObjectiveCBridgeStubFromArrayOfNSString 35182 30455 -13.4% 1.16x (?)
CharacterPropertiesFetch 5803 5203 -10.3% 1.12x
ObjectiveCBridgeFromNSSetAnyObjectToString 94784 85004 -10.3% 1.12x
ArrayOfPOD 834 748 -10.3% 1.11x
CStringLongAscii 5736 5241 -8.6% 1.09x
StringWithCString 49138 45183 -8.0% 1.09x
Combos 2079 1940 -6.7% 1.07x (?)
ObjectiveCBridgeFromNSArrayAnyObjectToString 51782 48448 -6.4% 1.07x
CharIndexing_japanese_unicodeScalars_Backwards 547469 515184 -5.9% 1.06x (?)
ObjectiveCBridgeFromNSSetAnyObjectForced 8034 7572 -5.8% 1.06x (?)
CharIndexing_punctuatedJapanese_unicodeScalars_Backwards 77399 73468 -5.1% 1.05x
No Changes (337)
TEST OLD NEW DELTA SPEEDUP
AngryPhonebook 5018 4947 -1.4% 1.01x (?)
AnyHashableWithAClass 87168 86907 -0.3% 1.00x
Array2D 632231 631632 -0.1% 1.00x (?)
ArrayAppend 4866 4865 -0.0% 1.00x
ArrayAppendArrayOfInt 788 789 +0.1% 1.00x (?)
ArrayAppendFromGeneric 791 791 +0.0% 1.00x
ArrayAppendGenericStructs 1404 1403 -0.1% 1.00x (?)
ArrayAppendLatin1 62291 63613 +2.1% 0.98x
ArrayAppendLazyMap 168806 169136 +0.2% 1.00x
ArrayAppendOptionals 1404 1400 -0.3% 1.00x (?)
ArrayAppendRepeatCol 177092 175308 -1.0% 1.01x
ArrayAppendReserved 4610 4605 -0.1% 1.00x (?)
ArrayAppendSequence 142992 146280 +2.3% 0.98x
ArrayAppendStrings 15315 15301 -0.1% 1.00x (?)
ArrayAppendToFromGeneric 788 788 +0.0% 1.00x
ArrayAppendToGeneric 796 791 -0.6% 1.01x (?)
ArrayInClass 6215 6217 +0.0% 1.00x (?)
ArrayLiteral 1683 1677 -0.4% 1.00x
ArrayOfGenericPOD2 1183 1127 -4.7% 1.05x
ArrayOfGenericRef 10031 9965 -0.7% 1.01x
ArrayOfRef 9463 9495 +0.3% 1.00x (?)
ArrayPlusEqualArrayOfInt 788 786 -0.3% 1.00x (?)
ArrayPlusEqualFiveElementCollection 230362 229714 -0.3% 1.00x (?)
ArrayPlusEqualSingleElementCollection 226528 226339 -0.1% 1.00x (?)
ArrayPlusEqualThreeElements 9100 8988 -1.2% 1.01x (?)
ArraySubscript 81354 80874 -0.6% 1.01x (?)
ArrayValueProp 3444 3433 -0.3% 1.00x
ArrayValueProp2 15883 15897 +0.1% 1.00x (?)
ArrayValueProp3 3921 3910 -0.3% 1.00x (?)
ArrayValueProp4 3930 3868 -1.6% 1.02x
BinaryFloatingPointConversionFromBinaryInteger 6106 5993 -1.9% 1.02x (?)
BitCount 2211 2208 -0.1% 1.00x (?)
ByteSwap 3932 3932 +0.0% 1.00x
COWTree 12276 12140 -1.1% 1.01x
CSVParsing 2801685 2807108 +0.2% 1.00x (?)
CSVParsingAlt 1399656 1417753 +1.3% 0.99x (?)
CSVParsingAltIndices 2679540 2603873 -2.8% 1.03x (?)
CStringLongNonAscii 2206 2316 +5.0% 0.95x
CStringShortAscii 7654 7571 -1.1% 1.01x (?)
Calculator 1688 1691 +0.2% 1.00x (?)
CaptureProp 348249 348984 +0.2% 1.00x
CharIndexing_ascii_unicodeScalars 382972 383440 +0.1% 1.00x (?)
CharIndexing_ascii_unicodeScalars_Backwards 426425 431938 +1.3% 0.99x (?)
CharIndexing_chinese_unicodeScalars 272008 271609 -0.1% 1.00x (?)
CharIndexing_chinese_unicodeScalars_Backwards 322900 330528 +2.4% 0.98x (?)
CharIndexing_japanese_unicodeScalars 437327 430358 -1.6% 1.02x (?)
CharIndexing_korean_unicodeScalars_Backwards 419997 441606 +5.1% 0.95x (?)
CharIndexing_punctuatedJapanese_unicodeScalars 64006 64101 +0.1% 1.00x (?)
CharIndexing_punctuated_unicodeScalars_Backwards 94901 94142 -0.8% 1.01x (?)
CharIndexing_russian_unicodeScalars 298487 300471 +0.7% 0.99x (?)
CharIndexing_russian_unicodeScalars_Backwards 363297 358633 -1.3% 1.01x (?)
CharIndexing_tweet_unicodeScalars 703349 711430 +1.1% 0.99x (?)
CharIndexing_tweet_unicodeScalars_Backwards 865257 857990 -0.8% 1.01x (?)
CharIndexing_utf16_unicodeScalars 319194 317708 -0.5% 1.00x (?)
CharIndexing_utf16_unicodeScalars_Backwards 350853 349402 -0.4% 1.00x (?)
CharIteration_ascii_unicodeScalars 154411 154945 +0.3% 1.00x (?)
CharIteration_ascii_unicodeScalars_Backwards 328725 328857 +0.0% 1.00x (?)
CharIteration_chinese_unicodeScalars 118246 118688 +0.4% 1.00x (?)
CharIteration_chinese_unicodeScalars_Backwards 251137 249906 -0.5% 1.00x (?)
CharIteration_japanese_unicodeScalars 187057 187844 +0.4% 1.00x (?)
CharIteration_japanese_unicodeScalars_Backwards 402412 402424 +0.0% 1.00x (?)
CharIteration_korean_unicodeScalars 150248 150113 -0.1% 1.00x (?)
CharIteration_korean_unicodeScalars_Backwards 320352 334354 +4.4% 0.96x (?)
CharIteration_punctuatedJapanese_unicodeScalars 27641 28269 +2.3% 0.98x (?)
CharIteration_punctuatedJapanese_unicodeScalars_Backwards 59757 57082 -4.5% 1.05x (?)
CharIteration_punctuated_unicodeScalars 34657 34849 +0.6% 0.99x (?)
CharIteration_punctuated_unicodeScalars_Backwards 73358 72523 -1.1% 1.01x (?)
CharIteration_russian_unicodeScalars 128513 129220 +0.6% 0.99x (?)
CharIteration_russian_unicodeScalars_Backwards 271547 272188 +0.2% 1.00x (?)
CharIteration_tweet_unicodeScalars 305139 305863 +0.2% 1.00x (?)
CharIteration_tweet_unicodeScalars_Backwards 646553 650465 +0.6% 0.99x (?)
CharIteration_utf16_unicodeScalars 131104 130492 -0.5% 1.00x (?)
CharIteration_utf16_unicodeScalars_Backwards 272821 274020 +0.4% 1.00x (?)
CharacterLiteralsLarge 5639 5636 -0.1% 1.00x (?)
CharacterLiteralsSmall 741 740 -0.1% 1.00x
CharacterPropertiesPrecomputed 4273 4290 +0.4% 1.00x (?)
CharacterPropertiesStashed 2284 2292 +0.4% 1.00x (?)
CharacterPropertiesStashedMemo 4876 4960 +1.7% 0.98x (?)
Chars 39493 39597 +0.3% 1.00x (?)
ClassArrayGetter 983 979 -0.4% 1.00x
DictOfArraysToArrayOfDicts 3362 3397 +1.0% 0.99x (?)
Dictionary 2652 2608 -1.7% 1.02x
Dictionary2 2962 2957 -0.2% 1.00x (?)
Dictionary2OfObjects 5665 5719 +1.0% 0.99x (?)
Dictionary3 1336 1339 +0.2% 1.00x (?)
Dictionary3OfObjects 2262 2337 +3.3% 0.97x
DictionaryBridge 2297 2286 -0.5% 1.00x (?)
DictionaryGroup 4340 4364 +0.6% 0.99x (?)
DictionaryGroupOfObjects 7325 7337 +0.2% 1.00x (?)
DictionaryLiteral 8368 8318 -0.6% 1.01x
DictionaryOfObjects 6208 6237 +0.5% 1.00x (?)
DictionaryRemove 18315 18239 -0.4% 1.00x
DictionaryRemoveOfObjects 48704 48648 -0.1% 1.00x (?)
DictionarySubscriptDefaultMutation 2003 1997 -0.3% 1.00x (?)
DictionarySubscriptDefaultMutationArray 2248 2248 +0.0% 1.00x
DictionarySubscriptDefaultMutationArrayOfObjects 8957 9056 +1.1% 0.99x
DictionarySubscriptDefaultMutationOfObjects 5677 5478 -3.5% 1.04x (?)
DictionarySwap 5221 5264 +0.8% 0.99x
DictionarySwapOfObjects 22149 22137 -0.1% 1.00x (?)
DropFirstAnyCollection 14554 14837 +1.9% 0.98x
DropFirstAnySeqCRangeIter 21675 21713 +0.2% 1.00x
DropFirstAnySeqCRangeIterLazy 21693 21754 +0.3% 1.00x (?)
DropFirstAnySeqCntRange 14287 14526 +1.7% 0.98x
DropFirstAnySeqCntRangeLazy 14337 14550 +1.5% 0.99x
DropFirstAnySequence 10770 10866 +0.9% 0.99x
DropFirstAnySequenceLazy 10691 10857 +1.6% 0.98x
DropFirstArray 3826 3832 +0.2% 1.00x (?)
DropFirstArrayLazy 25635 25572 -0.2% 1.00x
DropFirstCountableRange 325 325 +0.0% 1.00x
DropFirstCountableRangeLazy 26634 26683 +0.2% 1.00x
DropFirstSequence 10499 10616 +1.1% 0.99x
DropFirstSequenceLazy 10370 10496 +1.2% 0.99x
DropLastAnyCollection 4872 4932 +1.2% 0.99x
DropLastAnyCollectionLazy 32746 34287 +4.7% 0.96x (?)
DropLastAnySeqCRangeIter 38493 38467 -0.1% 1.00x (?)
DropLastAnySeqCRangeIterLazy 38377 38408 +0.1% 1.00x (?)
DropLastAnySeqCntRange 4778 4845 +1.4% 0.99x
DropLastAnySeqCntRangeLazy 4774 4796 +0.5% 1.00x (?)
DropLastAnySequence 28883 29022 +0.5% 1.00x (?)
DropLastAnySequenceLazy 28842 28946 +0.4% 1.00x
DropLastCountableRange 113 113 +0.0% 1.00x
DropLastCountableRangeLazy 8887 8882 -0.1% 1.00x (?)
DropLastSequence 28783 28807 +0.1% 1.00x (?)
DropLastSequenceLazy 28822 28877 +0.2% 1.00x
DropWhileAnyCollection 18605 18617 +0.1% 1.00x (?)
DropWhileAnyCollectionLazy 19815 19853 +0.2% 1.00x
DropWhileAnySeqCRangeIter 23338 23404 +0.3% 1.00x
DropWhileAnySeqCRangeIterLazy 19991 20014 +0.1% 1.00x
DropWhileAnySeqCntRange 18329 18448 +0.6% 0.99x (?)
DropWhileAnySeqCntRangeLazy 19772 19823 +0.3% 1.00x (?)
DropWhileAnySequence 12334 12489 +1.3% 0.99x
DropWhileAnySequenceLazy 10178 10159 -0.2% 1.00x (?)
DropWhileArrayLazy 13556 13601 +0.3% 1.00x (?)
DropWhileCountableRange 4474 4485 +0.2% 1.00x
DropWhileCountableRangeLazy 19354 19444 +0.5% 1.00x
DropWhileSequence 12032 12103 +0.6% 0.99x
DropWhileSequenceLazy 9769 9772 +0.0% 1.00x (?)
EqualStringSubstring 464 465 +0.2% 1.00x
EqualSubstringString 464 465 +0.2% 1.00x (?)
EqualSubstringSubstring 465 466 +0.2% 1.00x
EqualSubstringSubstringGenericEquatable 472 473 +0.2% 1.00x
ErrorHandling 7148 7310 +2.3% 0.98x (?)
ExclusivityGlobal 194 194 +0.0% 1.00x
ExclusivityIndependent 74 74 +0.0% 1.00x
FilterEvenUsingReduce 3716 3712 -0.1% 1.00x (?)
FilterEvenUsingReduceInto 2002 2000 -0.1% 1.00x (?)
FrequenciesUsingReduce 10469 10535 +0.6% 0.99x (?)
FrequenciesUsingReduceInto 5428 5403 -0.5% 1.00x (?)
Hanoi 20357 20230 -0.6% 1.01x
HashTest 16982 16882 -0.6% 1.01x (?)
Histogram 6524 6528 +0.1% 1.00x
Integrate 810 810 +0.0% 1.00x
IterateData 7694 7698 +0.1% 1.00x (?)
Join 1094 1099 +0.5% 1.00x
LazilyFilteredArrayContains 773706 774382 +0.1% 1.00x (?)
LazilyFilteredArrays 1455763 1464856 +0.6% 0.99x
LazilyFilteredRange 488796 490217 +0.3% 1.00x
LessSubstringSubstring 466 467 +0.2% 1.00x (?)
LessSubstringSubstringGenericComparable 471 471 +0.0% 1.00x
LinkedList 30876 30875 -0.0% 1.00x (?)
LuhnAlgoEager 5284 5331 +0.9% 0.99x (?)
LuhnAlgoLazy 5423 5248 -3.2% 1.03x (?)
MapReduce 27824 27898 +0.3% 1.00x
MapReduceAnyCollection 28291 28219 -0.3% 1.00x
MapReduceAnyCollectionShort 39769 40340 +1.4% 0.99x (?)
MapReduceClass 31970 31980 +0.0% 1.00x (?)
MapReduceClassShort 42907 42598 -0.7% 1.01x (?)
MapReduceLazyCollection 23429 23467 +0.2% 1.00x (?)
MapReduceLazyCollectionShort 34489 34444 -0.1% 1.00x (?)
MapReduceLazySequence 18318 18433 +0.6% 0.99x
MapReduceSequence 30852 31001 +0.5% 1.00x
MapReduceShort 39501 38722 -2.0% 1.02x (?)
MapReduceShortString 242 237 -2.1% 1.02x (?)
MapReduceString 1925 1932 +0.4% 1.00x (?)
Memset 44971 44975 +0.0% 1.00x (?)
MonteCarloE 909625 906563 -0.3% 1.00x (?)
MonteCarloPi 3945642 3925512 -0.5% 1.01x
NSDictionaryCastToSwift 6577 6570 -0.1% 1.00x (?)
NSError 699 697 -0.3% 1.00x (?)
NSStringConversion 379 375 -1.1% 1.01x
NibbleSort 311833 307159 -1.5% 1.02x
NopDeinit 180541 180537 -0.0% 1.00x (?)
ObjectAllocation 1361 1325 -2.6% 1.03x (?)
ObjectiveCBridgeFromNSArrayAnyObjectToStringForced 41598 41576 -0.1% 1.00x (?)
ObjectiveCBridgeFromNSDictionaryAnyObject 138728 137119 -1.2% 1.01x (?)
ObjectiveCBridgeFromNSSetAnyObject 67555 68398 +1.2% 0.99x (?)
ObjectiveCBridgeFromNSString 3602 3584 -0.5% 1.01x (?)
ObjectiveCBridgeFromNSStringForced 3104 3109 +0.2% 1.00x (?)
ObjectiveCBridgeStubDataAppend 4468 4533 +1.5% 0.99x
ObjectiveCBridgeStubDateMutation 604 601 -0.5% 1.00x (?)
ObjectiveCBridgeStubFromNSDate 4301 4359 +1.3% 0.99x
ObjectiveCBridgeStubFromNSString 1085 1104 +1.8% 0.98x
ObjectiveCBridgeStubFromNSStringRef 205 204 -0.5% 1.00x
ObjectiveCBridgeStubNSDataAppend 3099 3035 -2.1% 1.02x (?)
ObjectiveCBridgeStubNSDateMutationRef 15621 15196 -2.7% 1.03x (?)
ObjectiveCBridgeStubToArrayOfNSString 29174 28643 -1.8% 1.02x
ObjectiveCBridgeStubToNSDate 15695 15648 -0.3% 1.00x (?)
ObjectiveCBridgeStubToNSDateRef 3374 3379 +0.1% 1.00x (?)
ObjectiveCBridgeStubToNSString 1486 1488 +0.1% 1.00x (?)
ObjectiveCBridgeStubToNSStringRef 163 161 -1.2% 1.01x
ObjectiveCBridgeStubURLAppendPath 360119 367375 +2.0% 0.98x
ObjectiveCBridgeStubURLAppendPathRef 361014 355433 -1.5% 1.02x (?)
ObjectiveCBridgeToNSArray 29406 29489 +0.3% 1.00x (?)
ObjectiveCBridgeToNSDictionary 63830 62432 -2.2% 1.02x (?)
ObjectiveCBridgeToNSSet 53339 53196 -0.3% 1.00x (?)
ObjectiveCBridgeToNSString 1253 1253 +0.0% 1.00x
ObserverClosure 6175 6158 -0.3% 1.00x (?)
ObserverForwarderStruct 4306 4306 +0.0% 1.00x
ObserverPartiallyAppliedMethod 7552 7533 -0.3% 1.00x (?)
ObserverUnappliedMethod 7761 7919 +2.0% 0.98x
OpenClose 573 567 -1.0% 1.01x
PartialApplyDynamicType 38981 39104 +0.3% 1.00x (?)
Phonebook 21052 20844 -1.0% 1.01x
PointerArithmetics 117374 117340 -0.0% 1.00x (?)
PolymorphicCalls 6472 6453 -0.3% 1.00x (?)
PopFrontArray 6718 6705 -0.2% 1.00x (?)
PopFrontArrayGeneric 5655 5648 -0.1% 1.00x (?)
PopFrontUnsafePointer 10778 10840 +0.6% 0.99x (?)
PrefixAnyCollection 14516 14809 +2.0% 0.98x
PrefixAnyCollectionLazy 99402 101722 +2.3% 0.98x (?)
PrefixAnySeqCRangeIter 17348 17462 +0.7% 0.99x
PrefixAnySeqCRangeIterLazy 17365 17469 +0.6% 0.99x
PrefixAnySeqCntRange 14295 14470 +1.2% 0.99x
PrefixAnySeqCntRangeLazy 14323 14509 +1.3% 0.99x
PrefixAnySequence 8942 8985 +0.5% 1.00x
PrefixAnySequenceLazy 8997 9010 +0.1% 1.00x
PrefixArray 3823 3829 +0.2% 1.00x
PrefixArrayLazy 25674 25600 -0.3% 1.00x
PrefixCountableRange 325 325 +0.0% 1.00x
PrefixCountableRangeLazy 26647 26686 +0.1% 1.00x (?)
PrefixSequence 8678 8781 +1.2% 0.99x
PrefixSequenceLazy 8657 8735 +0.9% 0.99x
PrefixWhileAnyCollection 26538 26562 +0.1% 1.00x (?)
PrefixWhileAnyCollectionLazy 16406 16279 -0.8% 1.01x
PrefixWhileAnySeqCRangeIter 33724 33829 +0.3% 1.00x (?)
PrefixWhileAnySeqCRangeIterLazy 16634 16653 +0.1% 1.00x (?)
PrefixWhileAnySeqCntRange 26326 26516 +0.7% 0.99x (?)
PrefixWhileAnySeqCntRangeLazy 16437 16447 +0.1% 1.00x (?)
PrefixWhileAnySequence 26332 26434 +0.4% 1.00x
PrefixWhileAnySequenceLazy 9133 9206 +0.8% 0.99x
PrefixWhileArray 11609 11852 +2.1% 0.98x
PrefixWhileArrayLazy 11874 11874 +0.0% 1.00x
PrefixWhileCountableRange 12961 12949 -0.1% 1.00x (?)
PrefixWhileCountableRangeLazy 16170 16177 +0.0% 1.00x (?)
PrefixWhileSequence 26146 26239 +0.4% 1.00x
PrefixWhileSequenceLazy 9173 9506 +3.6% 0.96x
Prims 9997 9888 -1.1% 1.01x (?)
PrimsSplit 9935 9940 +0.1% 1.00x (?)
RC4 16728 16737 +0.1% 1.00x (?)
RGBHistogram 26643 26514 -0.5% 1.00x (?)
RGBHistogramOfObjects 94627 94756 +0.1% 1.00x (?)
RangeAssignment 2718 2747 +1.1% 0.99x (?)
RangeIterationSigned 17202 17173 -0.2% 1.00x
RangeIterationSigned64 40296 40363 +0.2% 1.00x (?)
RangeIterationUnsigned 36399 36319 -0.2% 1.00x (?)
RangeReplaceableCollectionPlusDefault 8536 8351 -2.2% 1.02x (?)
RecursiveOwnedParameter 7750 7749 -0.0% 1.00x (?)
ReversedArray 13006 12975 -0.2% 1.00x
ReversedBidirectional 42506 42797 +0.7% 0.99x (?)
ReversedDictionary 23207 23020 -0.8% 1.01x
RomanNumbers 1188277 1172627 -1.3% 1.01x (?)
SetExclusiveOr 17116 17169 +0.3% 1.00x
SetExclusiveOr_OfObjects 41297 41624 +0.8% 0.99x (?)
SetIntersect 8334 8367 +0.4% 1.00x
SetIntersect_OfObjects 12139 12221 +0.7% 0.99x (?)
SetIsSubsetOf 1351 1350 -0.1% 1.00x
SetIsSubsetOf_OfObjects 1537 1544 +0.5% 1.00x (?)
SetUnion 11659 11656 -0.0% 1.00x (?)
SetUnion_OfObjects 28872 28942 +0.2% 1.00x (?)
SevenBoom 1639 1630 -0.5% 1.01x (?)
Sim2DArray 43770 43786 +0.0% 1.00x (?)
SortLargeExistentials 15681 15585 -0.6% 1.01x
SortLettersInPlace 2896 2896 +0.0% 1.00x
SortSortedStrings 1330 1337 +0.5% 0.99x
SortStrings 2532 2530 -0.1% 1.00x
SortStringsUnicode 16139 16129 -0.1% 1.00x (?)
StaticArray 2644 2673 +1.1% 0.99x (?)
StrComplexWalk 6433 6435 +0.0% 1.00x (?)
StrToInt 57145 57726 +1.0% 0.99x
StringAdder 4777 4698 -1.7% 1.02x
StringBuilder 6835 6947 +1.6% 0.98x (?)
StringBuilderLong 2673 2706 +1.2% 0.99x
StringComparison_abnormal 1435 1410 -1.7% 1.02x
StringComparison_ascii 9520 9530 +0.1% 1.00x (?)
StringComparison_emoji 3777 3754 -0.6% 1.01x (?)
StringComparison_fastPrenormal 13257 13193 -0.5% 1.00x
StringComparison_latin1 9609 9551 -0.6% 1.01x (?)
StringComparison_longSharedPrefix 12835 12824 -0.1% 1.00x (?)
StringComparison_nonBMPSlowestPrenormal 6905 6762 -2.1% 1.02x
StringComparison_slowerPrenormal 6752 6753 +0.0% 1.00x (?)
StringComparison_zalgo 2839 2829 -0.4% 1.00x
StringEdits 362273 367449 +1.4% 0.99x (?)
StringEnumRawValueInitialization 21352 21395 +0.2% 1.00x (?)
StringEqualPointerComparison 3407 3406 -0.0% 1.00x
StringFromLongWholeSubstring 22 22 +0.0% 1.00x
StringFromLongWholeSubstringGeneric 198 197 -0.5% 1.01x
StringHasPrefixAscii 3064 3063 -0.0% 1.00x
StringHasPrefixUnicode 31070 30985 -0.3% 1.00x (?)
StringHasSuffixAscii 3256 3255 -0.0% 1.00x (?)
StringHasSuffixUnicode 90984 90976 -0.0% 1.00x (?)
StringInterpolation 12914 12512 -3.1% 1.03x (?)
StringMatch 33188 33150 -0.1% 1.00x (?)
StringRemoveDupes 1438 1439 +0.1% 1.00x (?)
StringUTF16Builder 7762 7750 -0.2% 1.00x (?)
StringWalk 13491 13587 +0.7% 0.99x
StringWordBuilder 2306 2335 +1.3% 0.99x (?)
StringWordBuilderReservingCapacity 2035 2052 +0.8% 0.99x (?)
SubstringComparable 4058 4063 +0.1% 1.00x (?)
SubstringEqualString 3539 3519 -0.6% 1.01x (?)
SubstringEquatable 8004 7817 -2.3% 1.02x (?)
SubstringFromLongString 24 24 +0.0% 1.00x
SubstringFromLongStringGeneric 107 107 +0.0% 1.00x
SuffixAnyCollection 4861 4988 +2.6% 0.97x (?)
SuffixAnyCollectionLazy 33222 33105 -0.4% 1.00x (?)
SuffixAnySeqCRangeIter 34541 34607 +0.2% 1.00x (?)
SuffixAnySeqCRangeIterLazy 34628 34693 +0.2% 1.00x
SuffixAnySeqCntRange 4785 4833 +1.0% 0.99x
SuffixAnySeqCntRangeLazy 4807 4790 -0.4% 1.00x (?)
SuffixAnySequence 24947 25057 +0.4% 1.00x
SuffixAnySequenceLazy 24965 25054 +0.4% 1.00x
SuffixCountableRange 113 113 +0.0% 1.00x
SuffixCountableRangeLazy 8887 8885 -0.0% 1.00x (?)
SuffixSequence 24957 25012 +0.2% 1.00x (?)
SuffixSequenceLazy 24828 24969 +0.6% 0.99x
SumUsingReduce 174072 173774 -0.2% 1.00x
SumUsingReduceInto 171133 171205 +0.0% 1.00x (?)
SuperChars 216124 216830 +0.3% 1.00x (?)
TwoSum 3925 3960 +0.9% 0.99x
UTF8Decode 29984 30112 +0.4% 1.00x
Walsh 12080 12081 +0.0% 1.00x (?)
WordCountHistogramASCII 48789 49024 +0.5% 1.00x
WordCountHistogramUTF16 102390 101005 -1.4% 1.01x (?)
WordCountUniqueASCII 8023 8022 -0.0% 1.00x (?)
WordCountUniqueUTF16 33083 32831 -0.8% 1.01x (?)
WordSplitASCII 25565 25494 -0.3% 1.00x (?)
WordSplitUTF16 26321 26109 -0.8% 1.01x (?)
XorLoop 23650 23638 -0.1% 1.00x
Hardware Overview 
  Model Name: Mac Pro
  Model Identifier: MacPro6,1
  Processor Name: 12-Core Intel Xeon E5
  Processor Speed: 2.7 GHz
  Number of Processors: 1
  Total Number of Cores: 12
  L2 Cache (per Core): 256 KB
  L3 Cache: 30 MB
  Memory: 64 GB

@milseman
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@swift-ci please smoke benchmark

@milseman
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I've been seeing Sim2DArray pop up a lot of a supposed regression, only to disappear in subsequent runs. Is there something wrong with this benchmark?

@milseman milseman mentioned this pull request Jan 22, 2018
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@milseman
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milseman commented Jan 22, 2018 •
edited
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(Also improvement was more modest than what I was producing locally).

edit: never mind, was looking at unoptimized. These are totally the results I was expecting.

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Build comment file:

Optimized (O)

Regression (15)
TEST OLD NEW DELTA SPEEDUP
Sim2DArray 411 644 +56.7% 0.64x
ObserverForwarderStruct 867 1076 +24.1% 0.81x (?)
ObjectiveCBridgeStubToNSDate 15166 18414 +21.4% 0.82x
PrefixWhileArray 88 105 +19.3% 0.84x
ObjectiveCBridgeStubFromArrayOfNSString 30027 32899 +9.6% 0.91x (?)
SuffixCountableRange 11 12 +9.1% 0.92x
DropLastCountableRange 11 12 +9.1% 0.92x
NopDeinit 21575 23267 +7.8% 0.93x
BinaryFloatingPointConversionFromBinaryInteger 45 48 +6.7% 0.94x
IterateData 1292 1373 +6.3% 0.94x
StringWordBuilderReservingCapacity 960 1020 +6.2% 0.94x
ObjectiveCBridgeFromNSArrayAnyObjectForced 4631 4915 +6.1% 0.94x (?)
ArrayAppendUTF16 35765 37934 +6.1% 0.94x
StringWordBuilder 1252 1323 +5.7% 0.95x
NibbleSort 3958 4173 +5.4% 0.95x
Improvement (33)
TEST OLD NEW DELTA SPEEDUP
ArrayAppendAscii 25275 13685 -45.9% 1.85x
StringBuilderLong 1580 1044 -33.9% 1.51x (?)
RangeIterationSigned 200 171 -14.5% 1.17x
PrefixWhileCountableRange 53 46 -13.2% 1.15x
MapReduceLazyCollectionShort 39 34 -12.8% 1.15x
StringWithCString 53581 46784 -12.7% 1.15x
CStringLongAscii 5819 5088 -12.6% 1.14x
Calculator 509 450 -11.6% 1.13x
ObjectiveCBridgeFromNSArrayAnyObjectToString 51543 45781 -11.2% 1.13x (?)
DropLastCountableRangeLazy 12 11 -8.3% 1.09x
PointerArithmetics 34346 31493 -8.3% 1.09x
DropLastSequence 734 681 -7.2% 1.08x
DropLastSequenceLazy 736 683 -7.2% 1.08x
CharIndexing_tweet_unicodeScalars 35398 33001 -6.8% 1.07x
CharIteration_tweet_unicodeScalars_Backwards 27847 26124 -6.2% 1.07x
CharIteration_punctuated_unicodeScalars_Backwards 3232 3033 -6.2% 1.07x
MapReduceAnyCollection 456 428 -6.1% 1.07x (?)
CharIteration_korean_unicodeScalars_Backwards 13687 12869 -6.0% 1.06x
CharIteration_ascii_unicodeScalars_Backwards 14116 13285 -5.9% 1.06x
CharIndexing_ascii_unicodeScalars 17774 16746 -5.8% 1.06x
CharIndexing_chinese_unicodeScalars 13458 12681 -5.8% 1.06x
CharIteration_russian_unicodeScalars_Backwards 11771 11093 -5.8% 1.06x
CharIndexing_korean_unicodeScalars 17236 16245 -5.7% 1.06x
CharIndexing_russian_unicodeScalars 14800 13951 -5.7% 1.06x
CharIndexing_japanese_unicodeScalars 21272 20052 -5.7% 1.06x
CharIteration_utf16_unicodeScalars_Backwards 17301 16312 -5.7% 1.06x
CharIndexing_punctuated_unicodeScalars 4020 3795 -5.6% 1.06x
CharIndexing_punctuatedJapanese_unicodeScalars 3212 3037 -5.4% 1.06x
CharIteration_chinese_unicodeScalars_Backwards 10702 10119 -5.4% 1.06x
CharIteration_punctuatedJapanese_unicodeScalars_Backwards 2594 2453 -5.4% 1.06x
CharIteration_japanese_unicodeScalars_Backwards 16888 16040 -5.0% 1.05x
WordSplitUTF16 22695 21556 -5.0% 1.05x
WordCountUniqueUTF16 22655 21524 -5.0% 1.05x
No Changes (309)
TEST OLD NEW DELTA SPEEDUP
AngryPhonebook 3455 3461 +0.2% 1.00x (?)
AnyHashableWithAClass 70060 70836 +1.1% 0.99x
Array2D 2528 2522 -0.2% 1.00x
ArrayAppend 978 979 +0.1% 1.00x
ArrayAppendArrayOfInt 743 743 +0.0% 1.00x
ArrayAppendFromGeneric 744 740 -0.5% 1.01x
ArrayAppendGenericStructs 1359 1358 -0.1% 1.00x (?)
ArrayAppendLatin1 37375 38469 +2.9% 0.97x
ArrayAppendLazyMap 1288 1288 +0.0% 1.00x
ArrayAppendOptionals 1357 1357 +0.0% 1.00x
ArrayAppendRepeatCol 1285 1285 +0.0% 1.00x
ArrayAppendReserved 725 724 -0.1% 1.00x (?)
ArrayAppendSequence 1079 1080 +0.1% 1.00x (?)
ArrayAppendStrings 15157 15152 -0.0% 1.00x (?)
ArrayAppendToFromGeneric 744 743 -0.1% 1.00x (?)
ArrayAppendToGeneric 744 743 -0.1% 1.00x (?)
ArrayInClass 85 86 +1.2% 0.99x
ArrayLiteral 0 0 +0.0% 1.00x
ArrayOfGenericPOD2 146 146 +0.0% 1.00x
ArrayOfGenericRef 4278 4244 -0.8% 1.01x
ArrayOfPOD 177 177 +0.0% 1.00x
ArrayOfRef 4249 4251 +0.0% 1.00x (?)
ArrayPlusEqualArrayOfInt 743 743 +0.0% 1.00x
ArrayPlusEqualFiveElementCollection 5583 5577 -0.1% 1.00x
ArrayPlusEqualSingleElementCollection 976 978 +0.2% 1.00x
ArrayPlusEqualThreeElements 1641 1580 -3.7% 1.04x
ArraySubscript 1485 1486 +0.1% 1.00x (?)
ArrayValueProp 8 8 +0.0% 1.00x
ArrayValueProp2 8 8 +0.0% 1.00x
ArrayValueProp3 8 8 +0.0% 1.00x
ArrayValueProp4 8 8 +0.0% 1.00x
BitCount 202 202 +0.0% 1.00x
ByteSwap 102 102 +0.0% 1.00x
COWTree 3354 3393 +1.2% 0.99x (?)
CSVParsing 960502 970345 +1.0% 0.99x (?)
CSVParsingAlt 713077 718749 +0.8% 0.99x (?)
CSVParsingAltIndices 351781 358336 +1.9% 0.98x (?)
CStringLongNonAscii 2134 2228 +4.4% 0.96x
CStringShortAscii 4834 4655 -3.7% 1.04x (?)
CaptureProp 7682 7728 +0.6% 0.99x
CharIndexing_ascii_unicodeScalars_Backwards 15972 15511 -2.9% 1.03x
CharIndexing_chinese_unicodeScalars_Backwards 12103 11742 -3.0% 1.03x
CharIndexing_japanese_unicodeScalars_Backwards 19118 18557 -2.9% 1.03x
CharIndexing_korean_unicodeScalars_Backwards 15493 15035 -3.0% 1.03x
CharIndexing_punctuatedJapanese_unicodeScalars_Backwards 2905 2828 -2.7% 1.03x
CharIndexing_punctuated_unicodeScalars_Backwards 3631 3529 -2.8% 1.03x
CharIndexing_russian_unicodeScalars_Backwards 13313 12923 -2.9% 1.03x
CharIndexing_tweet_unicodeScalars_Backwards 31554 30305 -4.0% 1.04x
CharIndexing_utf16_unicodeScalars 25301 24947 -1.4% 1.01x
CharIndexing_utf16_unicodeScalars_Backwards 25466 25382 -0.3% 1.00x
CharIteration_ascii_unicodeScalars 20646 21163 +2.5% 0.98x
CharIteration_chinese_unicodeScalars 15598 16008 +2.6% 0.97x
CharIteration_japanese_unicodeScalars 24686 25347 +2.7% 0.97x
CharIteration_korean_unicodeScalars 19977 20525 +2.7% 0.97x
CharIteration_punctuatedJapanese_unicodeScalars 3693 3782 +2.4% 0.98x
CharIteration_punctuated_unicodeScalars 4619 4751 +2.9% 0.97x
CharIteration_russian_unicodeScalars 17152 17627 +2.8% 0.97x
CharIteration_tweet_unicodeScalars 40643 41764 +2.8% 0.97x
CharIteration_utf16_unicodeScalars 27081 27347 +1.0% 0.99x
CharacterLiteralsLarge 5750 5735 -0.3% 1.00x (?)
CharacterLiteralsSmall 403 409 +1.5% 0.99x
CharacterPropertiesFetch 4378 4373 -0.1% 1.00x (?)
CharacterPropertiesPrecomputed 953 951 -0.2% 1.00x (?)
CharacterPropertiesStashed 1507 1509 +0.1% 1.00x (?)
CharacterPropertiesStashedMemo 1498 1502 +0.3% 1.00x (?)
Chars 966 964 -0.2% 1.00x
ClassArrayGetter 15 15 +0.0% 1.00x
Combos 455 450 -1.1% 1.01x
DictOfArraysToArrayOfDicts 859 847 -1.4% 1.01x
Dictionary 758 768 +1.3% 0.99x
Dictionary2 1923 1913 -0.5% 1.01x (?)
Dictionary2OfObjects 3301 3296 -0.2% 1.00x
Dictionary3 567 567 +0.0% 1.00x
Dictionary3OfObjects 903 915 +1.3% 0.99x (?)
DictionaryBridge 2140 2187 +2.2% 0.98x (?)
DictionaryGroup 145 145 +0.0% 1.00x
DictionaryGroupOfObjects 1812 1824 +0.7% 0.99x
DictionaryLiteral 1523 1545 +1.4% 0.99x (?)
DictionaryOfObjects 2399 2400 +0.0% 1.00x (?)
DictionaryRemove 2827 2838 +0.4% 1.00x (?)
DictionaryRemoveOfObjects 22422 22580 +0.7% 0.99x
DictionarySubscriptDefaultMutation 150 151 +0.7% 0.99x (?)
DictionarySubscriptDefaultMutationArray 488 488 +0.0% 1.00x
DictionarySubscriptDefaultMutationArrayOfObjects 3650 3647 -0.1% 1.00x (?)
DictionarySubscriptDefaultMutationOfObjects 1295 1295 +0.0% 1.00x
DictionarySwap 484 485 +0.2% 1.00x
DictionarySwapOfObjects 7507 7533 +0.3% 1.00x (?)
DropFirstAnyCollection 75 75 +0.0% 1.00x
DropFirstAnyCollectionLazy 66110 66151 +0.1% 1.00x (?)
DropFirstAnySeqCRangeIter 19291 19170 -0.6% 1.01x
DropFirstAnySeqCRangeIterLazy 19290 19172 -0.6% 1.01x
DropFirstAnySeqCntRange 71 71 +0.0% 1.00x
DropFirstAnySeqCntRangeLazy 71 71 +0.0% 1.00x
DropFirstAnySequence 4281 4347 +1.5% 0.98x
DropFirstAnySequenceLazy 4287 4338 +1.2% 0.99x
DropFirstArray 35 35 +0.0% 1.00x
DropFirstArrayLazy 35 35 +0.0% 1.00x
DropFirstCountableRange 35 35 +0.0% 1.00x
DropFirstCountableRangeLazy 35 35 +0.0% 1.00x
DropFirstSequence 2620 2621 +0.0% 1.00x (?)
DropFirstSequenceLazy 2714 2714 +0.0% 1.00x
DropLastAnyCollection 27 27 +0.0% 1.00x
DropLastAnyCollectionLazy 21814 21678 -0.6% 1.01x (?)
DropLastAnySeqCRangeIter 3516 3512 -0.1% 1.00x (?)
DropLastAnySeqCRangeIterLazy 3517 3508 -0.3% 1.00x (?)
DropLastAnySeqCntRange 23 23 +0.0% 1.00x
DropLastAnySeqCntRangeLazy 23 23 +0.0% 1.00x
DropLastAnySequence 5081 5090 +0.2% 1.00x
DropLastAnySequenceLazy 5158 5188 +0.6% 0.99x (?)
DropWhileAnyCollection 99 99 +0.0% 1.00x
DropWhileAnyCollectionLazy 147 147 +0.0% 1.00x
DropWhileAnySeqCRangeIter 15690 15624 -0.4% 1.00x
DropWhileAnySeqCRangeIterLazy 147 147 +0.0% 1.00x
DropWhileAnySeqCntRange 95 95 +0.0% 1.00x
DropWhileAnySeqCntRangeLazy 147 147 +0.0% 1.00x
DropWhileAnySequence 4692 4764 +1.5% 0.98x
DropWhileAnySequenceLazy 1830 1831 +0.1% 1.00x (?)
DropWhileArrayLazy 129 129 +0.0% 1.00x
DropWhileCountableRange 36 36 +0.0% 1.00x
DropWhileCountableRangeLazy 111 111 +0.0% 1.00x
DropWhileSequence 1322 1322 +0.0% 1.00x
DropWhileSequenceLazy 88 88 +0.0% 1.00x
EqualStringSubstring 419 420 +0.2% 1.00x (?)
EqualSubstringString 419 421 +0.5% 1.00x (?)
EqualSubstringSubstring 419 420 +0.2% 1.00x
EqualSubstringSubstringGenericEquatable 419 421 +0.5% 1.00x
ErrorHandling 2286 2298 +0.5% 0.99x (?)
ExclusivityGlobal 5 5 +0.0% 1.00x
ExclusivityIndependent 2 2 +0.0% 1.00x
FilterEvenUsingReduce 1295 1281 -1.1% 1.01x (?)
FilterEvenUsingReduceInto 145 144 -0.7% 1.01x (?)
FrequenciesUsingReduce 6764 6719 -0.7% 1.01x
FrequenciesUsingReduceInto 3194 3200 +0.2% 1.00x (?)
Hanoi 3692 3689 -0.1% 1.00x (?)
HashTest 1668 1669 +0.1% 1.00x (?)
Histogram 347 339 -2.3% 1.02x
Integrate 217 217 +0.0% 1.00x
Join 356 356 +0.0% 1.00x
LazilyFilteredArrayContains 31486 30682 -2.6% 1.03x
LazilyFilteredArrays 66252 66166 -0.1% 1.00x (?)
LazilyFilteredRange 3915 3809 -2.7% 1.03x
LessSubstringSubstring 419 420 +0.2% 1.00x (?)
LessSubstringSubstringGenericComparable 419 420 +0.2% 1.00x
LinkedList 7129 7130 +0.0% 1.00x (?)
LuhnAlgoEager 579 589 +1.7% 0.98x (?)
LuhnAlgoLazy 577 582 +0.9% 0.99x (?)
MapReduce 462 456 -1.3% 1.01x
MapReduceAnyCollectionShort 2009 2017 +0.4% 1.00x
MapReduceClass 3024 3025 +0.0% 1.00x (?)
MapReduceClassShort 4552 4498 -1.2% 1.01x (?)
MapReduceLazyCollection 13 13 +0.0% 1.00x
MapReduceLazySequence 86 86 +0.0% 1.00x
MapReduceSequence 451 448 -0.7% 1.01x (?)
MapReduceShort 2049 1996 -2.6% 1.03x (?)
MapReduceShortString 20 20 +0.0% 1.00x
MapReduceString 85 85 +0.0% 1.00x
Memset 213 214 +0.5% 1.00x (?)
MonteCarloE 10311 10414 +1.0% 0.99x
MonteCarloPi 42866 42868 +0.0% 1.00x (?)
NSDictionaryCastToSwift 5256 5368 +2.1% 0.98x (?)
NSError 292 291 -0.3% 1.00x
NSStringConversion 334 335 +0.3% 1.00x
ObjectAllocation 174 174 +0.0% 1.00x
ObjectiveCBridgeFromNSArrayAnyObject 20679 21209 +2.6% 0.98x (?)
ObjectiveCBridgeFromNSArrayAnyObjectToStringForced 39861 40587 +1.8% 0.98x (?)
ObjectiveCBridgeFromNSDictionaryAnyObject 132767 137103 +3.3% 0.97x (?)
ObjectiveCBridgeFromNSSetAnyObject 64515 63060 -2.3% 1.02x (?)
ObjectiveCBridgeFromNSSetAnyObjectForced 4535 4582 +1.0% 0.99x (?)
ObjectiveCBridgeFromNSSetAnyObjectToString 84569 81436 -3.7% 1.04x (?)
ObjectiveCBridgeFromNSString 1629 1621 -0.5% 1.00x
ObjectiveCBridgeFromNSStringForced 2793 2806 +0.5% 1.00x (?)
ObjectiveCBridgeStubDataAppend 4135 4086 -1.2% 1.01x
ObjectiveCBridgeStubDateMutation 257 257 +0.0% 1.00x
ObjectiveCBridgeStubFromNSDate 4023 4076 +1.3% 0.99x
ObjectiveCBridgeStubFromNSString 1030 1049 +1.8% 0.98x
ObjectiveCBridgeStubFromNSStringRef 169 164 -3.0% 1.03x
ObjectiveCBridgeStubNSDataAppend 2635 2668 +1.3% 0.99x
ObjectiveCBridgeStubNSDateMutationRef 12628 12941 +2.5% 0.98x (?)
ObjectiveCBridgeStubToArrayOfNSString 29366 29302 -0.2% 1.00x (?)
ObjectiveCBridgeStubToNSDateRef 3326 3338 +0.4% 1.00x (?)
ObjectiveCBridgeStubToNSString 1445 1444 -0.1% 1.00x (?)
ObjectiveCBridgeStubToNSStringRef 118 121 +2.5% 0.98x
ObjectiveCBridgeStubURLAppendPath 346422 346345 -0.0% 1.00x (?)
ObjectiveCBridgeStubURLAppendPathRef 340855 346841 +1.8% 0.98x (?)
ObjectiveCBridgeToNSArray 28513 28987 +1.7% 0.98x (?)
ObjectiveCBridgeToNSDictionary 63756 62004 -2.7% 1.03x (?)
ObjectiveCBridgeToNSSet 53808 53510 -0.6% 1.01x (?)
ObjectiveCBridgeToNSString 1223 1217 -0.5% 1.00x
ObserverClosure 2075 2009 -3.2% 1.03x
ObserverPartiallyAppliedMethod 3536 3487 -1.4% 1.01x (?)
ObserverUnappliedMethod 2144 2140 -0.2% 1.00x (?)
OpenClose 263 266 +1.1% 0.99x
PartialApplyDynamicType 0 0 +0.0% 1.00x
Phonebook 4164 4149 -0.4% 1.00x
PolymorphicCalls 25 25 +0.0% 1.00x
PopFrontArray 1869 1886 +0.9% 0.99x (?)
PopFrontArrayGeneric 1898 1890 -0.4% 1.00x
PopFrontUnsafePointer 9090 8883 -2.3% 1.02x (?)
PrefixAnyCollection 76 75 -1.3% 1.01x
PrefixAnyCollectionLazy 65395 65374 -0.0% 1.00x (?)
PrefixAnySeqCRangeIter 15027 14938 -0.6% 1.01x
PrefixAnySeqCRangeIterLazy 15034 14939 -0.6% 1.01x
PrefixAnySeqCntRange 71 71 +0.0% 1.00x
PrefixAnySeqCntRangeLazy 71 71 +0.0% 1.00x
PrefixAnySequence 3685 3700 +0.4% 1.00x
PrefixAnySequenceLazy 3689 3678 -0.3% 1.00x
PrefixArray 35 35 +0.0% 1.00x
PrefixArrayLazy 35 35 +0.0% 1.00x
PrefixCountableRange 35 35 +0.0% 1.00x
PrefixCountableRangeLazy 35 35 +0.0% 1.00x
PrefixSequence 1307 1307 +0.0% 1.00x
PrefixSequenceLazy 1377 1377 +0.0% 1.00x
PrefixWhileAnyCollection 146 146 +0.0% 1.00x
PrefixWhileAnyCollectionLazy 106 106 +0.0% 1.00x
PrefixWhileAnySeqCRangeIter 9375 9371 -0.0% 1.00x (?)
PrefixWhileAnySeqCRangeIterLazy 106 106 +0.0% 1.00x
PrefixWhileAnySeqCntRange 141 141 +0.0% 1.00x
PrefixWhileAnySeqCntRangeLazy 106 106 +0.0% 1.00x
PrefixWhileAnySequence 10423 10375 -0.5% 1.00x
PrefixWhileAnySequenceLazy 1373 1373 +0.0% 1.00x
PrefixWhileArrayLazy 70 70 +0.0% 1.00x
PrefixWhileCountableRangeLazy 35 35 +0.0% 1.00x
PrefixWhileSequence 390 390 +0.0% 1.00x
PrefixWhileSequenceLazy 52 52 +0.0% 1.00x
Prims 764 763 -0.1% 1.00x
PrimsSplit 760 763 +0.4% 1.00x
RC4 164 165 +0.6% 0.99x
RGBHistogram 2810 2836 +0.9% 0.99x
RGBHistogramOfObjects 23381 23345 -0.2% 1.00x (?)
RangeAssignment 382 382 +0.0% 1.00x
RangeIterationSigned64 200 200 +0.0% 1.00x
RangeIterationUnsigned 200 200 +0.0% 1.00x
RangeReplaceableCollectionPlusDefault 956 954 -0.2% 1.00x (?)
RecursiveOwnedParameter 2267 2294 +1.2% 0.99x
ReversedArray 57 57 +0.0% 1.00x
ReversedBidirectional 15515 15517 +0.0% 1.00x (?)
ReversedDictionary 119 119 +0.0% 1.00x
RomanNumbers 110915 113134 +2.0% 0.98x (?)
SetExclusiveOr 3548 3521 -0.8% 1.01x (?)
SetExclusiveOr_OfObjects 8407 8363 -0.5% 1.01x (?)
SetIntersect 316 319 +0.9% 0.99x
SetIntersect_OfObjects 1709 1710 +0.1% 1.00x (?)
SetIsSubsetOf 292 292 +0.0% 1.00x
SetIsSubsetOf_OfObjects 349 349 +0.0% 1.00x
SetUnion 2948 2944 -0.1% 1.00x (?)
SetUnion_OfObjects 6910 6940 +0.4% 1.00x (?)
SevenBoom 1475 1470 -0.3% 1.00x (?)
SortLargeExistentials 6820 6753 -1.0% 1.01x
SortLettersInPlace 1096 1097 +0.1% 1.00x (?)
SortSortedStrings 1154 1116 -3.3% 1.03x
SortStrings 2048 1970 -3.8% 1.04x
SortStringsUnicode 15042 15164 +0.8% 0.99x
StackPromo 21963 21978 +0.1% 1.00x (?)
StaticArray 6 6 +0.0% 1.00x
StrComplexWalk 1567 1572 +0.3% 1.00x
StrToInt 2182 2151 -1.4% 1.01x
StringAdder 4083 4077 -0.1% 1.00x (?)
StringBuilder 1287 1296 +0.7% 0.99x
StringComparison_abnormal 851 853 +0.2% 1.00x (?)
StringComparison_ascii 992 1007 +1.5% 0.99x
StringComparison_emoji 2453 2470 +0.7% 0.99x
StringComparison_fastPrenormal 8650 8673 +0.3% 1.00x (?)
StringComparison_latin1 5915 5938 +0.4% 1.00x (?)
StringComparison_longSharedPrefix 11225 11229 +0.0% 1.00x
StringComparison_nonBMPSlowestPrenormal 4499 4513 +0.3% 1.00x (?)
StringComparison_slowerPrenormal 4095 4106 +0.3% 1.00x
StringComparison_zalgo 1688 1685 -0.2% 1.00x (?)
StringEdits 142094 143314 +0.9% 0.99x (?)
StringEnumRawValueInitialization 1360 1361 +0.1% 1.00x
StringEqualPointerComparison 286 286 +0.0% 1.00x
StringFromLongWholeSubstring 21 21 +0.0% 1.00x
StringFromLongWholeSubstringGeneric 10 10 +0.0% 1.00x
StringHasPrefixAscii 1660 1602 -3.5% 1.04x
StringHasPrefixUnicode 28341 28241 -0.4% 1.00x (?)
StringHasSuffixAscii 1774 1746 -1.6% 1.02x
StringHasSuffixUnicode 87983 89025 +1.2% 0.99x
StringInterpolation 8676 8641 -0.4% 1.00x
StringMatch 7614 7427 -2.5% 1.03x
StringRemoveDupes 1036 1035 -0.1% 1.00x (?)
StringUTF16Builder 2287 2252 -1.5% 1.02x
StringWalk 1600 1581 -1.2% 1.01x
SubstringComparable 1989 1997 +0.4% 1.00x
SubstringEqualString 2077 2093 +0.8% 0.99x (?)
SubstringEquatable 3119 3136 +0.5% 0.99x (?)
SubstringFromLongString 10 10 +0.0% 1.00x
SubstringFromLongStringGeneric 70 70 +0.0% 1.00x
SuffixAnyCollection 27 27 +0.0% 1.00x
SuffixAnyCollectionLazy 22091 22086 -0.0% 1.00x (?)
SuffixAnySeqCRangeIter 3815 3798 -0.4% 1.00x
SuffixAnySeqCRangeIterLazy 3816 3800 -0.4% 1.00x (?)
SuffixAnySeqCntRange 23 23 +0.0% 1.00x
SuffixAnySeqCntRangeLazy 23 23 +0.0% 1.00x
SuffixAnySequence 5069 5068 -0.0% 1.00x (?)
SuffixAnySequenceLazy 5175 5173 -0.0% 1.00x (?)
SuffixCountableRangeLazy 11 11 +0.0% 1.00x
SuffixSequence 3755 3777 +0.6% 0.99x
SuffixSequenceLazy 3759 3778 +0.5% 0.99x
SumUsingReduce 97 101 +4.1% 0.96x
SumUsingReduceInto 97 102 +5.2% 0.95x
SuperChars 39807 40678 +2.2% 0.98x (?)
TwoSum 996 996 +0.0% 1.00x
TypeFlood 0 0 +0.0% 1.00x
UTF8Decode 313 318 +1.6% 0.98x
Walsh 429 434 +1.2% 0.99x
WordCountHistogramASCII 8921 8907 -0.2% 1.00x (?)
WordCountHistogramUTF16 52039 52310 +0.5% 0.99x (?)
WordCountUniqueASCII 2529 2589 +2.4% 0.98x
WordSplitASCII 22038 21820 -1.0% 1.01x (?)
XorLoop 384 384 +0.0% 1.00x

Unoptimized (Onone)

Regression (23)
TEST OLD NEW DELTA SPEEDUP
CharIteration_japanese_unicodeScalars_Backwards 360463 428381 +18.8% 0.84x
CharIndexing_punctuated_unicodeScalars_Backwards 85927 101859 +18.5% 0.84x (?)
CharIndexing_tweet_unicodeScalars_Backwards 764657 893455 +16.8% 0.86x
CharIteration_punctuatedJapanese_unicodeScalars_Backwards 51626 60248 +16.7% 0.86x
CharIndexing_japanese_unicodeScalars_Backwards 473960 553078 +16.7% 0.86x
CharIndexing_punctuated_unicodeScalars 79634 90525 +13.7% 0.88x
ObjectiveCBridgeStubFromNSString 1085 1224 +12.8% 0.89x (?)
CharIndexing_ascii_unicodeScalars_Backwards 410009 457820 +11.7% 0.90x (?)
CharIteration_ascii_unicodeScalars_Backwards 293287 326939 +11.5% 0.90x (?)
CharIndexing_punctuatedJapanese_unicodeScalars 63941 70636 +10.5% 0.91x
CharIndexing_korean_unicodeScalars_Backwards 380709 420528 +10.5% 0.91x (?)
CharIteration_tweet_unicodeScalars_Backwards 588634 646883 +9.9% 0.91x (?)
CharIteration_korean_unicodeScalars_Backwards 290777 319218 +9.8% 0.91x (?)
CharIteration_chinese_unicodeScalars_Backwards 225061 246505 +9.5% 0.91x (?)
CSVParsingAlt 1314975 1439823 +9.5% 0.91x (?)
CharIteration_utf16_unicodeScalars_Backwards 248803 272299 +9.4% 0.91x (?)
CharIndexing_utf16_unicodeScalars_Backwards 344200 371935 +8.1% 0.93x (?)
ObjectiveCBridgeFromNSArrayAnyObject 23606 25168 +6.6% 0.94x (?)
CharIndexing_tweet_unicodeScalars 714172 760646 +6.5% 0.94x
ArrayAppendUTF16 60653 64210 +5.9% 0.94x
CharIteration_chinese_unicodeScalars 118098 124676 +5.6% 0.95x
CStringLongNonAscii 2184 2303 +5.4% 0.95x
CharIndexing_chinese_unicodeScalars_Backwards 312190 328740 +5.3% 0.95x (?)
Improvement (9)
TEST OLD NEW DELTA SPEEDUP
ArrayAppendAscii 49746 40575 -18.4% 1.23x
TypeFlood 176 157 -10.8% 1.12x
ArrayOfPOD 833 748 -10.2% 1.11x
StringWithCString 49294 45262 -8.2% 1.09x
ArrayValueProp2 17210 16011 -7.0% 1.07x (?)
StringInterpolation 13200 12419 -5.9% 1.06x (?)
CStringLongAscii 5732 5409 -5.6% 1.06x
ObjectiveCBridgeFromNSSetAnyObjectForced 7769 7351 -5.4% 1.06x (?)
ObjectiveCBridgeFromNSStringForced 3274 3102 -5.3% 1.06x
No Changes (325)
TEST OLD NEW DELTA SPEEDUP
AngryPhonebook 4992 4968 -0.5% 1.00x (?)
AnyHashableWithAClass 86107 87289 +1.4% 0.99x
Array2D 632789 632110 -0.1% 1.00x (?)
ArrayAppend 4863 4863 +0.0% 1.00x
ArrayAppendArrayOfInt 787 787 +0.0% 1.00x
ArrayAppendFromGeneric 792 791 -0.1% 1.00x (?)
ArrayAppendGenericStructs 1405 1405 +0.0% 1.00x
ArrayAppendLatin1 62224 63879 +2.7% 0.97x
ArrayAppendLazyMap 168698 168189 -0.3% 1.00x (?)
ArrayAppendOptionals 1404 1406 +0.1% 1.00x (?)
ArrayAppendRepeatCol 174552 175248 +0.4% 1.00x
ArrayAppendReserved 4611 4617 +0.1% 1.00x (?)
ArrayAppendSequence 147552 145461 -1.4% 1.01x
ArrayAppendStrings 15284 15301 +0.1% 1.00x
ArrayAppendToFromGeneric 789 789 +0.0% 1.00x
ArrayAppendToGeneric 790 790 +0.0% 1.00x
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ArrayOfGenericRef 10034 10033 -0.0% 1.00x (?)
ArrayOfRef 9467 9474 +0.1% 1.00x (?)
ArrayPlusEqualArrayOfInt 789 787 -0.3% 1.00x (?)
ArrayPlusEqualFiveElementCollection 229587 229818 +0.1% 1.00x (?)
ArrayPlusEqualSingleElementCollection 226756 226377 -0.2% 1.00x (?)
ArrayPlusEqualThreeElements 8990 8987 -0.0% 1.00x (?)
ArraySubscript 81065 81580 +0.6% 0.99x (?)
ArrayValueProp 3421 3440 +0.6% 0.99x
ArrayValueProp3 3913 3921 +0.2% 1.00x
ArrayValueProp4 3914 3914 +0.0% 1.00x
BinaryFloatingPointConversionFromBinaryInteger 5989 5847 -2.4% 1.02x (?)
BitCount 2212 2210 -0.1% 1.00x (?)
ByteSwap 3933 3932 -0.0% 1.00x (?)
COWTree 12498 12169 -2.6% 1.03x
CSVParsing 2803207 2818541 +0.5% 0.99x (?)
CSVParsingAltIndices 2642268 2613067 -1.1% 1.01x (?)
CStringShortAscii 7636 7637 +0.0% 1.00x (?)
Calculator 1688 1689 +0.1% 1.00x (?)
CaptureProp 346396 345990 -0.1% 1.00x (?)
CharIndexing_ascii_unicodeScalars 357420 363861 +1.8% 0.98x
CharIndexing_chinese_unicodeScalars 271510 273245 +0.6% 0.99x (?)
CharIndexing_japanese_unicodeScalars 434343 440931 +1.5% 0.99x (?)
CharIndexing_korean_unicodeScalars 348747 350538 +0.5% 0.99x (?)
CharIndexing_punctuatedJapanese_unicodeScalars_Backwards 72293 73148 +1.2% 0.99x (?)
CharIndexing_russian_unicodeScalars 318710 311240 -2.3% 1.02x (?)
CharIndexing_russian_unicodeScalars_Backwards 373519 356842 -4.5% 1.05x (?)
CharIndexing_utf16_unicodeScalars 316230 302977 -4.2% 1.04x (?)
CharIteration_ascii_unicodeScalars 154087 155225 +0.7% 0.99x
CharIteration_japanese_unicodeScalars 187095 188464 +0.7% 0.99x
CharIteration_korean_unicodeScalars 149261 150381 +0.8% 0.99x
CharIteration_punctuatedJapanese_unicodeScalars 27618 27992 +1.4% 0.99x (?)
CharIteration_punctuated_unicodeScalars 34599 34949 +1.0% 0.99x (?)
CharIteration_punctuated_unicodeScalars_Backwards 72520 71758 -1.1% 1.01x
CharIteration_russian_unicodeScalars 128327 132723 +3.4% 0.97x
CharIteration_russian_unicodeScalars_Backwards 263718 273816 +3.8% 0.96x (?)
CharIteration_tweet_unicodeScalars 304017 313540 +3.1% 0.97x
CharIteration_utf16_unicodeScalars 130229 132073 +1.4% 0.99x
CharacterLiteralsLarge 5603 5632 +0.5% 0.99x (?)
CharacterLiteralsSmall 746 747 +0.1% 1.00x (?)
CharacterPropertiesFetch 5558 5368 -3.4% 1.04x (?)
CharacterPropertiesPrecomputed 4288 4278 -0.2% 1.00x (?)
CharacterPropertiesStashed 2316 2287 -1.3% 1.01x (?)
CharacterPropertiesStashedMemo 4918 5138 +4.5% 0.96x (?)
Chars 39449 39503 +0.1% 1.00x
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DictOfArraysToArrayOfDicts 3390 3405 +0.4% 1.00x (?)
Dictionary 2638 2680 +1.6% 0.98x
Dictionary2 2960 2973 +0.4% 1.00x (?)
Dictionary2OfObjects 5611 5617 +0.1% 1.00x (?)
Dictionary3 1341 1339 -0.1% 1.00x (?)
Dictionary3OfObjects 2281 2300 +0.8% 0.99x (?)
DictionaryBridge 2310 2339 +1.3% 0.99x (?)
DictionaryGroup 4328 4345 +0.4% 1.00x (?)
DictionaryGroupOfObjects 7351 7315 -0.5% 1.00x (?)
DictionaryLiteral 8330 8353 +0.3% 1.00x (?)
DictionaryOfObjects 6269 6174 -1.5% 1.02x
DictionaryRemove 18369 18403 +0.2% 1.00x (?)
DictionaryRemoveOfObjects 48677 48649 -0.1% 1.00x (?)
DictionarySubscriptDefaultMutation 2002 2001 -0.0% 1.00x
DictionarySubscriptDefaultMutationArray 2249 2247 -0.1% 1.00x (?)
DictionarySubscriptDefaultMutationArrayOfObjects 9055 8983 -0.8% 1.01x (?)
DictionarySubscriptDefaultMutationOfObjects 5583 5555 -0.5% 1.01x (?)
DictionarySwap 5234 5242 +0.2% 1.00x (?)
DictionarySwapOfObjects 22257 22228 -0.1% 1.00x (?)
DropFirstAnyCollection 14473 14640 +1.2% 0.99x
DropFirstAnyCollectionLazy 102858 100081 -2.7% 1.03x (?)
DropFirstAnySeqCRangeIter 21714 21671 -0.2% 1.00x (?)
DropFirstAnySeqCRangeIterLazy 21779 21719 -0.3% 1.00x
DropFirstAnySeqCntRange 14219 14414 +1.4% 0.99x
DropFirstAnySeqCntRangeLazy 14278 14456 +1.2% 0.99x
DropFirstAnySequence 10737 10828 +0.8% 0.99x
DropFirstAnySequenceLazy 10752 10822 +0.7% 0.99x
DropFirstArray 3811 3824 +0.3% 1.00x
DropFirstArrayLazy 25713 25665 -0.2% 1.00x (?)
DropFirstCountableRange 325 325 +0.0% 1.00x
DropFirstCountableRangeLazy 26387 26630 +0.9% 0.99x
DropFirstSequence 10424 10570 +1.4% 0.99x
DropFirstSequenceLazy 10357 10540 +1.8% 0.98x
DropLastAnyCollection 4817 4915 +2.0% 0.98x
DropLastAnyCollectionLazy 33987 33568 -1.2% 1.01x (?)
DropLastAnySeqCRangeIter 38507 38458 -0.1% 1.00x
DropLastAnySeqCRangeIterLazy 38382 38348 -0.1% 1.00x
DropLastAnySeqCntRange 4755 4793 +0.8% 0.99x
DropLastAnySeqCntRangeLazy 4771 4788 +0.4% 1.00x
DropLastAnySequence 28938 28888 -0.2% 1.00x
DropLastAnySequenceLazy 28940 28936 -0.0% 1.00x (?)
DropLastCountableRange 113 113 +0.0% 1.00x
DropLastCountableRangeLazy 8900 8895 -0.1% 1.00x (?)
DropLastSequence 28814 28851 +0.1% 1.00x (?)
DropLastSequenceLazy 28821 28796 -0.1% 1.00x (?)
DropWhileAnyCollection 18464 18478 +0.1% 1.00x (?)
DropWhileAnyCollectionLazy 19792 19809 +0.1% 1.00x
DropWhileAnySeqCRangeIter 23611 23530 -0.3% 1.00x
DropWhileAnySeqCRangeIterLazy 20008 19987 -0.1% 1.00x
DropWhileAnySeqCntRange 18256 18320 +0.4% 1.00x (?)
DropWhileAnySeqCntRangeLazy 19769 19798 +0.1% 1.00x (?)
DropWhileAnySequence 12365 12504 +1.1% 0.99x
DropWhileAnySequenceLazy 10227 10281 +0.5% 0.99x
DropWhileArrayLazy 13557 13584 +0.2% 1.00x
DropWhileCountableRange 4416 4458 +1.0% 0.99x
DropWhileCountableRangeLazy 19481 19370 -0.6% 1.01x
DropWhileSequence 12110 12103 -0.1% 1.00x
DropWhileSequenceLazy 9727 9830 +1.1% 0.99x
EqualStringSubstring 465 463 -0.4% 1.00x
EqualSubstringString 465 464 -0.2% 1.00x
EqualSubstringSubstring 466 465 -0.2% 1.00x
EqualSubstringSubstringGenericEquatable 472 474 +0.4% 1.00x (?)
ErrorHandling 7488 7259 -3.1% 1.03x
ExclusivityGlobal 194 194 +0.0% 1.00x
ExclusivityIndependent 74 74 +0.0% 1.00x
FilterEvenUsingReduce 3703 3724 +0.6% 0.99x (?)
FilterEvenUsingReduceInto 2006 2008 +0.1% 1.00x (?)
FrequenciesUsingReduce 10749 10409 -3.2% 1.03x (?)
FrequenciesUsingReduceInto 5469 5335 -2.5% 1.03x
Hanoi 20228 20137 -0.4% 1.00x (?)
HashTest 16864 17480 +3.7% 0.96x (?)
Histogram 6444 6440 -0.1% 1.00x (?)
Integrate 810 809 -0.1% 1.00x
IterateData 7682 7698 +0.2% 1.00x
Join 1094 1098 +0.4% 1.00x (?)
LazilyFilteredArrayContains 772932 773478 +0.1% 1.00x
LazilyFilteredArrays 1464609 1454677 -0.7% 1.01x (?)
LazilyFilteredRange 489651 492444 +0.6% 0.99x
LessSubstringSubstring 467 467 +0.0% 1.00x
LessSubstringSubstringGenericComparable 470 472 +0.4% 1.00x
LinkedList 30872 30872 +0.0% 1.00x
LuhnAlgoEager 5224 5148 -1.5% 1.01x (?)
LuhnAlgoLazy 5025 5105 +1.6% 0.98x (?)
MapReduce 27824 27985 +0.6% 0.99x
MapReduceAnyCollection 28037 28235 +0.7% 0.99x
MapReduceAnyCollectionShort 39732 40314 +1.5% 0.99x (?)
MapReduceClass 32067 32004 -0.2% 1.00x (?)
MapReduceClassShort 42944 44256 +3.1% 0.97x
MapReduceLazyCollection 23327 23293 -0.1% 1.00x (?)
MapReduceLazyCollectionShort 33126 34073 +2.9% 0.97x (?)
MapReduceLazySequence 18165 18502 +1.9% 0.98x
MapReduceSequence 30625 30962 +1.1% 0.99x
MapReduceShort 38589 38707 +0.3% 1.00x (?)
MapReduceShortString 245 252 +2.9% 0.97x
MapReduceString 1941 1949 +0.4% 1.00x (?)
Memset 44952 44968 +0.0% 1.00x (?)
MonteCarloE 887905 886953 -0.1% 1.00x (?)
MonteCarloPi 3924172 3922570 -0.0% 1.00x (?)
NSDictionaryCastToSwift 6471 6506 +0.5% 0.99x (?)
NSError 683 694 +1.6% 0.98x (?)
NSStringConversion 379 375 -1.1% 1.01x
NibbleSort 310405 308760 -0.5% 1.01x
NopDeinit 180518 180599 +0.0% 1.00x (?)
ObjectAllocation 1392 1332 -4.3% 1.05x
ObjectiveCBridgeFromNSArrayAnyObjectForced 9280 8896 -4.1% 1.04x (?)
ObjectiveCBridgeFromNSArrayAnyObjectToString 46293 44966 -2.9% 1.03x (?)
ObjectiveCBridgeFromNSArrayAnyObjectToStringForced 41079 43168 +5.1% 0.95x
ObjectiveCBridgeFromNSDictionaryAnyObject 137446 142443 +3.6% 0.96x
ObjectiveCBridgeFromNSSetAnyObject 68497 69230 +1.1% 0.99x (?)
ObjectiveCBridgeFromNSSetAnyObjectToString 91399 91597 +0.2% 1.00x (?)
ObjectiveCBridgeFromNSString 3723 3591 -3.5% 1.04x (?)
ObjectiveCBridgeStubDataAppend 4470 4530 +1.3% 0.99x
ObjectiveCBridgeStubDateMutation 605 602 -0.5% 1.00x (?)
ObjectiveCBridgeStubFromArrayOfNSString 32557 32070 -1.5% 1.02x (?)
ObjectiveCBridgeStubFromNSDate 4301 4363 +1.4% 0.99x
ObjectiveCBridgeStubFromNSStringRef 204 204 +0.0% 1.00x
ObjectiveCBridgeStubNSDataAppend 3102 3097 -0.2% 1.00x (?)
ObjectiveCBridgeStubNSDateMutationRef 14943 15024 +0.5% 0.99x (?)
ObjectiveCBridgeStubToArrayOfNSString 28478 28681 +0.7% 0.99x (?)
ObjectiveCBridgeStubToNSDate 15305 15758 +3.0% 0.97x (?)
ObjectiveCBridgeStubToNSDateRef 3403 3399 -0.1% 1.00x (?)
ObjectiveCBridgeStubToNSString 1476 1475 -0.1% 1.00x (?)
ObjectiveCBridgeStubToNSStringRef 161 161 +0.0% 1.00x
ObjectiveCBridgeStubURLAppendPath 349244 366249 +4.9% 0.95x (?)
ObjectiveCBridgeStubURLAppendPathRef 369856 366410 -0.9% 1.01x (?)
ObjectiveCBridgeToNSArray 29266 29318 +0.2% 1.00x (?)
ObjectiveCBridgeToNSDictionary 61549 63759 +3.6% 0.97x (?)
ObjectiveCBridgeToNSSet 53363 53644 +0.5% 0.99x (?)
ObjectiveCBridgeToNSString 1256 1255 -0.1% 1.00x (?)
ObserverClosure 6139 6146 +0.1% 1.00x (?)
ObserverForwarderStruct 4302 4304 +0.0% 1.00x
ObserverPartiallyAppliedMethod 7584 7567 -0.2% 1.00x
ObserverUnappliedMethod 7925 7927 +0.0% 1.00x (?)
OpenClose 574 572 -0.3% 1.00x
PartialApplyDynamicType 39139 39189 +0.1% 1.00x (?)
Phonebook 20992 20758 -1.1% 1.01x
PointerArithmetics 117355 117390 +0.0% 1.00x (?)
PolymorphicCalls 6640 6429 -3.2% 1.03x (?)
PopFrontArray 6723 6709 -0.2% 1.00x (?)
PopFrontArrayGeneric 5663 5630 -0.6% 1.01x
PopFrontUnsafePointer 10761 10841 +0.7% 0.99x
PrefixAnyCollection 14426 14670 +1.7% 0.98x
PrefixAnyCollectionLazy 99132 100058 +0.9% 0.99x (?)
PrefixAnySeqCRangeIter 17493 17524 +0.2% 1.00x (?)
PrefixAnySeqCRangeIterLazy 17442 17410 -0.2% 1.00x (?)
PrefixAnySeqCntRange 14215 14433 +1.5% 0.98x
PrefixAnySeqCntRangeLazy 14334 14438 +0.7% 0.99x
PrefixAnySequence 8925 8977 +0.6% 0.99x (?)
PrefixAnySequenceLazy 8958 8968 +0.1% 1.00x (?)
PrefixArray 3812 3826 +0.4% 1.00x
PrefixArrayLazy 25707 25655 -0.2% 1.00x (?)
PrefixCountableRange 325 325 +0.0% 1.00x
PrefixCountableRangeLazy 26453 26669 +0.8% 0.99x
PrefixSequence 8756 8758 +0.0% 1.00x (?)
PrefixSequenceLazy 8660 8679 +0.2% 1.00x (?)
PrefixWhileAnyCollection 26415 26562 +0.6% 0.99x
PrefixWhileAnyCollectionLazy 16501 16428 -0.4% 1.00x (?)
PrefixWhileAnySeqCRangeIter 33769 33765 -0.0% 1.00x (?)
PrefixWhileAnySeqCRangeIterLazy 16708 16580 -0.8% 1.01x
PrefixWhileAnySeqCntRange 26230 26196 -0.1% 1.00x (?)
PrefixWhileAnySeqCntRangeLazy 16481 16567 +0.5% 0.99x
PrefixWhileAnySequence 26347 26487 +0.5% 0.99x
PrefixWhileAnySequenceLazy 9110 9195 +0.9% 0.99x
PrefixWhileArray 11848 11702 -1.2% 1.01x (?)
PrefixWhileArrayLazy 11909 11910 +0.0% 1.00x (?)
PrefixWhileCountableRange 12943 12973 +0.2% 1.00x (?)
PrefixWhileCountableRangeLazy 16228 16179 -0.3% 1.00x (?)
PrefixWhileSequence 26112 26151 +0.1% 1.00x
PrefixWhileSequenceLazy 9499 9488 -0.1% 1.00x (?)
Prims 9867 9852 -0.2% 1.00x (?)
PrimsSplit 9904 10032 +1.3% 0.99x (?)
RC4 16714 16680 -0.2% 1.00x (?)
RGBHistogram 26796 26810 +0.1% 1.00x (?)
RGBHistogramOfObjects 94847 96230 +1.5% 0.99x
RangeAssignment 2705 2741 +1.3% 0.99x (?)
RangeIterationSigned 16933 17088 +0.9% 0.99x
RangeIterationSigned64 40397 40551 +0.4% 1.00x
RangeIterationUnsigned 36132 36250 +0.3% 1.00x (?)
RangeReplaceableCollectionPlusDefault 8130 8484 +4.4% 0.96x
RecursiveOwnedParameter 7759 7755 -0.1% 1.00x (?)
ReversedArray 12987 12985 -0.0% 1.00x (?)
ReversedBidirectional 42941 42762 -0.4% 1.00x
ReversedDictionary 23079 23194 +0.5% 1.00x
RomanNumbers 1174888 1176609 +0.1% 1.00x (?)
SetExclusiveOr 17058 17114 +0.3% 1.00x
SetExclusiveOr_OfObjects 41843 41396 -1.1% 1.01x (?)
SetIntersect 8308 8319 +0.1% 1.00x (?)
SetIntersect_OfObjects 12140 12321 +1.5% 0.99x (?)
SetIsSubsetOf 1342 1346 +0.3% 1.00x
SetIsSubsetOf_OfObjects 1535 1548 +0.8% 0.99x
SetUnion 11654 11675 +0.2% 1.00x (?)
SetUnion_OfObjects 29052 29086 +0.1% 1.00x (?)
SevenBoom 1614 1590 -1.5% 1.02x (?)
Sim2DArray 43777 43774 -0.0% 1.00x (?)
SortLargeExistentials 15638 15691 +0.3% 1.00x
SortLettersInPlace 2883 2859 -0.8% 1.01x (?)
SortSortedStrings 1397 1400 +0.2% 1.00x (?)
SortStrings 2611 2575 -1.4% 1.01x
SortStringsUnicode 15989 16081 +0.6% 0.99x
StackPromo 86372 84899 -1.7% 1.02x
StaticArray 2652 2669 +0.6% 0.99x (?)
StrComplexWalk 6438 6434 -0.1% 1.00x
StrToInt 57080 58755 +2.9% 0.97x
StringAdder 4644 4749 +2.3% 0.98x (?)
StringBuilder 6916 6965 +0.7% 0.99x (?)
StringBuilderLong 2666 2703 +1.4% 0.99x
StringComparison_abnormal 1436 1413 -1.6% 1.02x (?)
StringComparison_ascii 9468 9609 +1.5% 0.99x
StringComparison_emoji 3774 3753 -0.6% 1.01x (?)
StringComparison_fastPrenormal 13498 13211 -2.1% 1.02x
StringComparison_latin1 9746 9602 -1.5% 1.01x
StringComparison_longSharedPrefix 12864 12814 -0.4% 1.00x (?)
StringComparison_nonBMPSlowestPrenormal 6816 6780 -0.5% 1.01x (?)
StringComparison_slowerPrenormal 6779 6809 +0.4% 1.00x (?)
StringComparison_zalgo 2835 2867 +1.1% 0.99x (?)
StringEdits 366087 362756 -0.9% 1.01x (?)
StringEnumRawValueInitialization 21076 21318 +1.1% 0.99x (?)
StringEqualPointerComparison 3406 3406 +0.0% 1.00x
StringFromLongWholeSubstring 22 22 +0.0% 1.00x
StringFromLongWholeSubstringGeneric 198 197 -0.5% 1.01x (?)
StringHasPrefixAscii 3063 3064 +0.0% 1.00x (?)
StringHasPrefixUnicode 31029 31013 -0.1% 1.00x (?)
StringHasSuffixAscii 3240 3255 +0.5% 1.00x (?)
StringHasSuffixUnicode 91064 90560 -0.6% 1.01x
StringMatch 33092 33329 +0.7% 0.99x (?)
StringRemoveDupes 1433 1438 +0.3% 1.00x (?)
StringUTF16Builder 7799 8140 +4.4% 0.96x
StringWalk 13559 13518 -0.3% 1.00x (?)
StringWordBuilder 2339 2336 -0.1% 1.00x (?)
StringWordBuilderReservingCapacity 2053 2030 -1.1% 1.01x (?)
SubstringComparable 4057 4090 +0.8% 0.99x (?)
SubstringEqualString 3459 3519 +1.7% 0.98x (?)
SubstringEquatable 8019 7828 -2.4% 1.02x (?)
SubstringFromLongString 24 24 +0.0% 1.00x
SubstringFromLongStringGeneric 107 107 +0.0% 1.00x
SuffixAnyCollection 4825 4896 +1.5% 0.99x
SuffixAnyCollectionLazy 34293 33421 -2.5% 1.03x (?)
SuffixAnySeqCRangeIter 34556 34521 -0.1% 1.00x (?)
SuffixAnySeqCRangeIterLazy 34639 34608 -0.1% 1.00x
SuffixAnySeqCntRange 4768 4832 +1.3% 0.99x
SuffixAnySeqCntRangeLazy 4775 4778 +0.1% 1.00x (?)
SuffixAnySequence 25107 25087 -0.1% 1.00x (?)
SuffixAnySequenceLazy 25125 25030 -0.4% 1.00x
SuffixCountableRange 113 113 +0.0% 1.00x
SuffixCountableRangeLazy 8825 8872 +0.5% 0.99x
SuffixSequence 25049 25010 -0.2% 1.00x (?)
SuffixSequenceLazy 25034 24959 -0.3% 1.00x
SumUsingReduce 174291 173754 -0.3% 1.00x
SumUsingReduceInto 169956 171417 +0.9% 0.99x
SuperChars 221372 224074 +1.2% 0.99x (?)
TwoSum 3939 3951 +0.3% 1.00x (?)
UTF8Decode 30045 30027 -0.1% 1.00x (?)
Walsh 12081 12080 -0.0% 1.00x (?)
WordCountHistogramASCII 48855 48767 -0.2% 1.00x (?)
WordCountHistogramUTF16 105188 101809 -3.2% 1.03x (?)
WordCountUniqueASCII 7997 7960 -0.5% 1.00x (?)
WordCountUniqueUTF16 33142 32098 -3.2% 1.03x (?)
WordSplitASCII 25706 25325 -1.5% 1.02x (?)
WordSplitUTF16 25689 25743 +0.2% 1.00x (?)
XorLoop 23636 23643 +0.0% 1.00x (?)
Hardware Overview 
  Model Name: Mac Pro
  Model Identifier: MacPro6,1
  Processor Name: 12-Core Intel Xeon E5
  Processor Speed: 2.7 GHz
  Number of Processors: 1
  Total Number of Cores: 12
  L2 Cache (per Core): 256 KB
  L3 Cache: 30 MB
  Memory: 64 GB

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Not sure how a benchmark that has no Strings in it is being regressed by a minor tweak to UTF8 decoding

@milseman milseman merged commit 51c560f into swiftlang:master Jan 23, 2018
@milseman milseman deleted the ascii_view branch January 23, 2018 05:11
lorentey
lorentey reviewed Jan 24, 2018
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Nice! 👍

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@milseman @swift-ci @lorentey