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add String(decoding:as:) benchmarks for Unsafe(Mutable)(Raw)BufferPoi… #21706

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add String(decoding:as:) benchmarks for Unsafe(Mutable)(Raw)BufferPoi… #21706

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112 changes: 112 additions & 0 deletions benchmark/single-source/UTF8Decode.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,38 @@ public let UTF8Decode = [
name: "UTF8Decode_InitDecoding",
runFunction: run_UTF8Decode_InitDecoding,
tags: [.validation, .api, .String]),
BenchmarkInfo(
name: "String.init.decodingUTF8.UMRBP",
runFunction: run_UTF8Decode_InitDecodingUMRBP,
tags: [.validation, .api, .String]),
BenchmarkInfo(
name: "String.init.decodingUTF8.UMRBPSlice",
runFunction: run_UTF8Decode_InitDecodingUMRBPSlice,
tags: [.validation, .api, .String]),
BenchmarkInfo(
name: "String.init.decodingUTF8.URBP",
runFunction: run_UTF8Decode_InitDecodingURBP,
tags: [.validation, .api, .String]),
BenchmarkInfo(
name: "String.init.decodingUTF8.URBPSlice",
runFunction: run_UTF8Decode_InitDecodingURBPSlice,
tags: [.validation, .api, .String]),
BenchmarkInfo(
name: "String.init.decodingUTF8.UMBP",
runFunction: run_UTF8Decode_InitDecodingUMBP,
tags: [.validation, .api, .String]),
BenchmarkInfo(
name: "String.init.decodingUTF8.UMBPSlice",
runFunction: run_UTF8Decode_InitDecodingUMBPSlice,
tags: [.validation, .api, .String]),
BenchmarkInfo(
name: "String.init.decodingUTF8.UBP",
runFunction: run_UTF8Decode_InitDecodingUBP,
tags: [.validation, .api, .String]),
BenchmarkInfo(
name: "String.init.decodingUTF8.UBPSlice",
runFunction: run_UTF8Decode_InitDecodingUBPSlice,
tags: [.validation, .api, .String]),
BenchmarkInfo(
name: "UTF8Decode_InitFromBytes",
runFunction: run_UTF8Decode_InitFromBytes,
Expand Down Expand Up @@ -62,6 +94,20 @@ let allStrings = [ascii, russian, japanese, emoji].map { Array($0.utf8) }
let allStringsBytes: [UInt8] = Array(allStrings.joined())
let allStringsData: Data = Data(allStringsBytes)

func withAllStringsUMRBP(_ body: (UnsafeMutableRawBufferPointer) -> Void) -> Void {
var all = allStringsBytes
all.withUnsafeMutableBytes(body)
}
func withAllStringsURBP(_ body: (UnsafeRawBufferPointer) -> Void) -> Void {
allStringsBytes.withUnsafeBytes(body)
}
func withAllStringsUMBP(_ body: (inout UnsafeMutableBufferPointer<UInt8>) -> Void) -> Void {
var all = allStringsBytes
all.withUnsafeMutableBufferPointer(body)
}
func withAllStringsUBP(_ body: (UnsafeBufferPointer<UInt8>) -> Void) -> Void {
allStringsBytes.withUnsafeBufferPointer(body)
}

@inline(never)
public func run_UTF8Decode(_ N: Int) {
Expand Down Expand Up @@ -107,6 +153,72 @@ public func run_UTF8Decode_InitFromBytes(_ N: Int) {
}
}

@inline(never)
public func run_UTF8Decode_InitDecodingUMRBP(_ N: Int) {
withAllStringsUMRBP { (input: UnsafeMutableRawBufferPointer) in
for _ in 0..<500*N {
blackHole(String(decoding: input, as: UTF8.self))
}
}
}
@inline(never)
public func run_UTF8Decode_InitDecodingUMRBPSlice(_ N: Int) {
withAllStringsUMRBP { (input: UnsafeMutableRawBufferPointer) in
for _ in 0..<N {
blackHole(String(decoding: input[...], as: UTF8.self))
}
}
}
@inline(never)
public func run_UTF8Decode_InitDecodingURBP(_ N: Int) {
withAllStringsURBP { (input: UnsafeRawBufferPointer) in
for _ in 0..<500*N {
blackHole(String(decoding: input, as: UTF8.self))
}
}
}
@inline(never)
public func run_UTF8Decode_InitDecodingURBPSlice(_ N: Int) {
withAllStringsURBP { (input: UnsafeRawBufferPointer) in
for _ in 0..<N {
blackHole(String(decoding: input[...], as: UTF8.self))
}
}
}

@inline(never)
public func run_UTF8Decode_InitDecodingUMBP(_ N: Int) {
withAllStringsUMBP { (input: inout UnsafeMutableBufferPointer<UInt8>) in
for _ in 0..<500*N {
blackHole(String(decoding: input, as: UTF8.self))
}
}
}
@inline(never)
public func run_UTF8Decode_InitDecodingUMBPSlice(_ N: Int) {
withAllStringsUMBP { (input: inout UnsafeMutableBufferPointer<UInt8>) in
for _ in 0..<N {
blackHole(String(decoding: input[...], as: UTF8.self))
}
}
}
@inline(never)
public func run_UTF8Decode_InitDecodingUBP(_ N: Int) {
withAllStringsUBP { (input: UnsafeBufferPointer<UInt8>) in
for _ in 0..<500*N {
blackHole(String(decoding: input, as: UTF8.self))
}
}
}
@inline(never)
public func run_UTF8Decode_InitDecodingUBPSlice(_ N: Int) {
withAllStringsUBP { (input: UnsafeBufferPointer<UInt8>) in
for _ in 0..<N {
blackHole(String(decoding: input[...], as: UTF8.self))
}
}
}

@inline(never)
public func run_UTF8Decode_InitFromData_ascii(_ N: Int) {
let input = asciiData
Expand Down