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ldionneldionne
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Format benchmark
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‎libcxx/test/benchmarks/atomic_wait.bench.cpp

Lines changed: 104 additions & 92 deletions
Original file line numberDiff line numberDiff line change
@@ -58,13 +58,11 @@ struct HighPrioTask {
5858
}
5959
};
6060

61-
6261
template <std::size_t N>
6362
struct NumHighPrioTasks {
6463
static constexpr auto value = N;
6564
};
6665

67-
6866
struct KeepNotifying {
6967
template <class Atomic>
7068
static void notify(Atomic& a, std::stop_token st) {
@@ -107,18 +105,35 @@ void BM_1_atomic_1_waiter_1_notifier(benchmark::State& state) {
107105
}
108106
}
109107

110-
BENCHMARK(BM_1_atomic_1_waiter_1_notifier<KeepNotifying, NumHighPrioTasks<0>>)->RangeMultiplier(2)->Range(1 << 18, 1 << 20);
111-
BENCHMARK(BM_1_atomic_1_waiter_1_notifier<NotifyEveryNus<50>, NumHighPrioTasks<0>>)->RangeMultiplier(2)->Range(1 << 12, 1 << 14);
112-
BENCHMARK(BM_1_atomic_1_waiter_1_notifier<NotifyEveryNus<100>, NumHighPrioTasks<0>>)->RangeMultiplier(2)->Range(1 << 12, 1 << 14);
113-
114-
BENCHMARK(BM_1_atomic_1_waiter_1_notifier<KeepNotifying, NumHighPrioTasks<4>>)->RangeMultiplier(2)->Range(1 << 18, 1 << 20);
115-
BENCHMARK(BM_1_atomic_1_waiter_1_notifier<NotifyEveryNus<50>, NumHighPrioTasks<4>>)->RangeMultiplier(2)->Range(1 << 12, 1 << 14);
116-
BENCHMARK(BM_1_atomic_1_waiter_1_notifier<NotifyEveryNus<100>, NumHighPrioTasks<4>>)->RangeMultiplier(2)->Range(1 << 12, 1 << 14);
108+
BENCHMARK(BM_1_atomic_1_waiter_1_notifier<KeepNotifying, NumHighPrioTasks<0>>)
109+
->RangeMultiplier(2)
110+
->Range(1 << 18, 1 << 20);
111+
BENCHMARK(BM_1_atomic_1_waiter_1_notifier<NotifyEveryNus<50>, NumHighPrioTasks<0>>)
112+
->RangeMultiplier(2)
113+
->Range(1 << 12, 1 << 14);
114+
BENCHMARK(BM_1_atomic_1_waiter_1_notifier<NotifyEveryNus<100>, NumHighPrioTasks<0>>)
115+
->RangeMultiplier(2)
116+
->Range(1 << 12, 1 << 14);
117117

118-
BENCHMARK(BM_1_atomic_1_waiter_1_notifier<KeepNotifying, NumHighPrioTasks<7>>)->RangeMultiplier(2)->Range(1 << 4, 1 << 6);
119-
BENCHMARK(BM_1_atomic_1_waiter_1_notifier<NotifyEveryNus<50>, NumHighPrioTasks<7>>)->RangeMultiplier(2)->Range(1 << 3, 1 << 5);
120-
BENCHMARK(BM_1_atomic_1_waiter_1_notifier<NotifyEveryNus<100>, NumHighPrioTasks<7>>)->RangeMultiplier(2)->Range(1 << 3, 1 << 5);
118+
BENCHMARK(BM_1_atomic_1_waiter_1_notifier<KeepNotifying, NumHighPrioTasks<4>>)
119+
->RangeMultiplier(2)
120+
->Range(1 << 18, 1 << 20);
121+
BENCHMARK(BM_1_atomic_1_waiter_1_notifier<NotifyEveryNus<50>, NumHighPrioTasks<4>>)
122+
->RangeMultiplier(2)
123+
->Range(1 << 12, 1 << 14);
124+
BENCHMARK(BM_1_atomic_1_waiter_1_notifier<NotifyEveryNus<100>, NumHighPrioTasks<4>>)
125+
->RangeMultiplier(2)
126+
->Range(1 << 12, 1 << 14);
121127

128+
BENCHMARK(BM_1_atomic_1_waiter_1_notifier<KeepNotifying, NumHighPrioTasks<7>>)
129+
->RangeMultiplier(2)
130+
->Range(1 << 4, 1 << 6);
131+
BENCHMARK(BM_1_atomic_1_waiter_1_notifier<NotifyEveryNus<50>, NumHighPrioTasks<7>>)
132+
->RangeMultiplier(2)
133+
->Range(1 << 3, 1 << 5);
134+
BENCHMARK(BM_1_atomic_1_waiter_1_notifier<NotifyEveryNus<100>, NumHighPrioTasks<7>>)
135+
->RangeMultiplier(2)
136+
->Range(1 << 3, 1 << 5);
122137

123138
template <std::size_t N>
124139
struct NumWaitingThreads {
@@ -205,7 +220,6 @@ BENCHMARK(BM_1_atomic_multi_waiter_1_notifier<NotifyEveryNus<100>, NumWaitingThr
205220
->RangeMultiplier(2)
206221
->Range(1 << 4, 1 << 6);
207222

208-
209223
BENCHMARK(BM_1_atomic_multi_waiter_1_notifier<KeepNotifying, NumWaitingThreads<3>, NumHighPrioTasks<4>>)
210224
->RangeMultiplier(2)
211225
->Range(1 << 8, 1 << 10);
@@ -266,7 +280,6 @@ BENCHMARK(BM_1_atomic_multi_waiter_1_notifier<NotifyEveryNus<100>, NumWaitingThr
266280
->RangeMultiplier(2)
267281
->Range(1 << 1, 1 << 3);
268282

269-
270283
template <std::size_t N>
271284
struct NumberOfAtomics {
272285
static constexpr auto value = N;
@@ -333,83 +346,82 @@ void BM_N_atomics_N_waiter_N_notifier(benchmark::State& state) {
333346
}
334347
}
335348

336-
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<2>, NumHighPrioTasks<0>>)
337-
->RangeMultiplier(2)
338-
->Range(1 << 12, 1 << 14);
339-
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<3>, NumHighPrioTasks<0>>)
340-
->RangeMultiplier(2)
341-
->Range(1 << 10, 1 << 12);
342-
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<5>, NumHighPrioTasks<0>>)
343-
->RangeMultiplier(2)
344-
->Range(1 << 10, 1 << 12);
345-
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<7>, NumHighPrioTasks<0>>)
346-
->RangeMultiplier(2)
347-
->Range(1 << 8, 1 << 10);
348-
349-
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<50>, NumberOfAtomics<2>, NumHighPrioTasks<0>>)
350-
->RangeMultiplier(2)
351-
->Range(1 << 10, 1 << 12);
352-
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<50>, NumberOfAtomics<3>, NumHighPrioTasks<0>>)
353-
->RangeMultiplier(2)
354-
->Range(1 << 8, 1 << 10);
355-
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<50>, NumberOfAtomics<5>, NumHighPrioTasks<0>>)
356-
->RangeMultiplier(2)
357-
->Range(1 << 8, 1 << 10);
358-
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<50>, NumberOfAtomics<7>, NumHighPrioTasks<0>>)
359-
->RangeMultiplier(2)
360-
->Range(1 << 6, 1 << 8);
361-
362-
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<100>, NumberOfAtomics<2>, NumHighPrioTasks<0>>)
363-
->RangeMultiplier(2)
364-
->Range(1 << 8, 1 << 10);
365-
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<100>, NumberOfAtomics<3>, NumHighPrioTasks<0>>)
366-
->RangeMultiplier(2)
367-
->Range(1 << 8, 1 << 10);
368-
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<100>, NumberOfAtomics<5>, NumHighPrioTasks<0>>)
369-
->RangeMultiplier(2)
370-
->Range(1 << 7, 1 << 9);
371-
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<100>, NumberOfAtomics<7>, NumHighPrioTasks<0>>)
372-
->RangeMultiplier(2)
373-
->Range(1 << 6, 1 << 8);
374-
375-
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<2>, NumHighPrioTasks<4>>)
376-
->RangeMultiplier(2)
377-
->Range(1 << 7, 1 << 9);
378-
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<3>, NumHighPrioTasks<4>>)
379-
->RangeMultiplier(2)
380-
->Range(1 << 7, 1 << 9);
381-
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<5>, NumHighPrioTasks<4>>)
382-
->RangeMultiplier(2)
383-
->Range(1 << 6, 1 << 8);
384-
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<7>, NumHighPrioTasks<4>>)
385-
->RangeMultiplier(2)
386-
->Range(1 << 4, 1 << 6);
387-
388-
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<50>, NumberOfAtomics<2>, NumHighPrioTasks<4>>)
389-
->RangeMultiplier(2)
390-
->Range(1 << 7, 1 << 9);
391-
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<50>, NumberOfAtomics<3>, NumHighPrioTasks<4>>)
392-
->RangeMultiplier(2)
393-
->Range(1 << 7, 1 << 9);
394-
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<50>, NumberOfAtomics<5>, NumHighPrioTasks<4>>)
395-
->RangeMultiplier(2)
396-
->Range(1 << 5, 1 << 7);
397-
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<50>, NumberOfAtomics<7>, NumHighPrioTasks<4>>)
398-
->RangeMultiplier(2)
399-
->Range(1 << 3, 1 << 5);
400-
401-
402-
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<100>, NumberOfAtomics<2>, NumHighPrioTasks<4>>)
403-
->RangeMultiplier(2)
404-
->Range(1 << 6, 1 << 8);
405-
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<100>, NumberOfAtomics<3>, NumHighPrioTasks<4>>)
406-
->RangeMultiplier(2)
407-
->Range(1 << 6, 1 << 8);
408-
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<100>, NumberOfAtomics<5>, NumHighPrioTasks<4>>)
409-
->RangeMultiplier(2)
410-
->Range(1 << 5, 1 << 7);
411-
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<100>, NumberOfAtomics<7>, NumHighPrioTasks<4>>)
412-
->RangeMultiplier(2)
413-
->Range(1 << 3, 1 << 5);
349+
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<2>, NumHighPrioTasks<0>>)
350+
->RangeMultiplier(2)
351+
->Range(1 << 12, 1 << 14);
352+
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<3>, NumHighPrioTasks<0>>)
353+
->RangeMultiplier(2)
354+
->Range(1 << 10, 1 << 12);
355+
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<5>, NumHighPrioTasks<0>>)
356+
->RangeMultiplier(2)
357+
->Range(1 << 10, 1 << 12);
358+
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<7>, NumHighPrioTasks<0>>)
359+
->RangeMultiplier(2)
360+
->Range(1 << 8, 1 << 10);
361+
362+
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<50>, NumberOfAtomics<2>, NumHighPrioTasks<0>>)
363+
->RangeMultiplier(2)
364+
->Range(1 << 10, 1 << 12);
365+
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<50>, NumberOfAtomics<3>, NumHighPrioTasks<0>>)
366+
->RangeMultiplier(2)
367+
->Range(1 << 8, 1 << 10);
368+
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<50>, NumberOfAtomics<5>, NumHighPrioTasks<0>>)
369+
->RangeMultiplier(2)
370+
->Range(1 << 8, 1 << 10);
371+
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<50>, NumberOfAtomics<7>, NumHighPrioTasks<0>>)
372+
->RangeMultiplier(2)
373+
->Range(1 << 6, 1 << 8);
374+
375+
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<100>, NumberOfAtomics<2>, NumHighPrioTasks<0>>)
376+
->RangeMultiplier(2)
377+
->Range(1 << 8, 1 << 10);
378+
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<100>, NumberOfAtomics<3>, NumHighPrioTasks<0>>)
379+
->RangeMultiplier(2)
380+
->Range(1 << 8, 1 << 10);
381+
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<100>, NumberOfAtomics<5>, NumHighPrioTasks<0>>)
382+
->RangeMultiplier(2)
383+
->Range(1 << 7, 1 << 9);
384+
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<100>, NumberOfAtomics<7>, NumHighPrioTasks<0>>)
385+
->RangeMultiplier(2)
386+
->Range(1 << 6, 1 << 8);
387+
388+
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<2>, NumHighPrioTasks<4>>)
389+
->RangeMultiplier(2)
390+
->Range(1 << 7, 1 << 9);
391+
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<3>, NumHighPrioTasks<4>>)
392+
->RangeMultiplier(2)
393+
->Range(1 << 7, 1 << 9);
394+
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<5>, NumHighPrioTasks<4>>)
395+
->RangeMultiplier(2)
396+
->Range(1 << 6, 1 << 8);
397+
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<7>, NumHighPrioTasks<4>>)
398+
->RangeMultiplier(2)
399+
->Range(1 << 4, 1 << 6);
400+
401+
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<50>, NumberOfAtomics<2>, NumHighPrioTasks<4>>)
402+
->RangeMultiplier(2)
403+
->Range(1 << 7, 1 << 9);
404+
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<50>, NumberOfAtomics<3>, NumHighPrioTasks<4>>)
405+
->RangeMultiplier(2)
406+
->Range(1 << 7, 1 << 9);
407+
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<50>, NumberOfAtomics<5>, NumHighPrioTasks<4>>)
408+
->RangeMultiplier(2)
409+
->Range(1 << 5, 1 << 7);
410+
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<50>, NumberOfAtomics<7>, NumHighPrioTasks<4>>)
411+
->RangeMultiplier(2)
412+
->Range(1 << 3, 1 << 5);
413+
414+
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<100>, NumberOfAtomics<2>, NumHighPrioTasks<4>>)
415+
->RangeMultiplier(2)
416+
->Range(1 << 6, 1 << 8);
417+
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<100>, NumberOfAtomics<3>, NumHighPrioTasks<4>>)
418+
->RangeMultiplier(2)
419+
->Range(1 << 6, 1 << 8);
420+
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<100>, NumberOfAtomics<5>, NumHighPrioTasks<4>>)
421+
->RangeMultiplier(2)
422+
->Range(1 << 5, 1 << 7);
423+
BENCHMARK(BM_N_atomics_N_waiter_N_notifier<NotifyEveryNus<100>, NumberOfAtomics<7>, NumHighPrioTasks<4>>)
424+
->RangeMultiplier(2)
425+
->Range(1 << 3, 1 << 5);
414426

415427
BENCHMARK_MAIN();

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