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Commit b4d8c0a7 authored by Dave Watson's avatar Dave Watson Committed by Facebook Github Bot
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update small locks benchmark 

Summary: Re-run small locks bench.  Add server type to comment.

Reviewed By: yfeldblum

Differential Revision: D7830168

fbshipit-source-id: 4b60ec6845bb3518a98f4645e521e95599072433
parent 86087f42
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Showing with 43 additions and 42 deletions
folly/synchronization/test/SmallLocksBenchmark.cpp
View file @ b4d8c0a7
......@@ -365,63 +365,64 @@ int main(int argc, char** argv) {
}
/*
locks_benchmark --bm_min_iters=1000000
locks_benchmark --bm_min_iters=100000
56-core Intel(R) Xeon(R) CPU E5-2680 v4 @ 2.40GHz
std::mutex:
Sum: 2838030 Mean: 88688 stddev: 2067
Lock time stats in us: mean 11 stddev 1513 max 21167
Sum: 3674921 Mean: 65623 stddev: 543
Lock time stats in us: mean 15 stddev 1169 max 10375
InitLock<folly::MicroSpinLock>:
Sum: 3223948 Mean: 100748 stddev: 76317
Lock time stats in us: mean 18 stddev 1332 max 302752
Sum: 3493610 Mean: 62385 stddev: 21015
Lock time stats in us: mean 31 stddev 1229 max 208816
InitLock<folly::PicoSpinLock<uint16_t>>:
Sum: 1145725 Mean: 35803 stddev: 20142
Lock time stats in us: mean 53 stddev 3748 max 276859
Sum: 2135792 Mean: 38139 stddev: 43269
Lock time stats in us: mean 50 stddev 2010 max 357286
folly::MicroLock:
Sum: 1935310 Mean: 60478 stddev: 32693
Lock time stats in us: mean 29 stddev 2219 max 22368
Sum: 1823152 Mean: 32556 stddev: 10299
Lock time stats in us: mean 49 stddev 2355 max 36064
============================================================================
folly/synchronization/test/SmallLocksBenchmark.cpprelative time/iter iters/s
============================================================================
StdMutexUncontendedBenchmark 27.15ns 36.83M
MicroSpinLockUncontendedBenchmark 10.09ns 99.11M
PicoSpinLockUncontendedBenchmark 15.15ns 66.02M
MicroLockUncontendedBenchmark 26.71ns 37.44M
VirtualFunctionCall 333.37ps 3.00G
StdMutexUncontendedBenchmark 16.72ns 59.79M
MicroSpinLockUncontendedBenchmark 10.04ns 99.65M
PicoSpinLockUncontendedBenchmark 11.25ns 88.90M
MicroLockUncontendedBenchmark 21.59ns 46.31M
VirtualFunctionCall 76.02ps 13.15G
----------------------------------------------------------------------------
----------------------------------------------------------------------------
std_mutex(1thread) 856.92ns 1.17M
folly_microspin(1thread) 101.02% 848.25ns 1.18M
folly_picospin(1thread) 101.95% 840.52ns 1.19M
folly_microlock(1thread) 98.60% 869.08ns 1.15M
std_mutex(1thread) 717.69ns 1.39M
folly_microspin(1thread) 117.51% 610.77ns 1.64M
folly_picospin(1thread) 116.31% 617.07ns 1.62M
folly_microlock(1thread) 116.12% 618.07ns 1.62M
----------------------------------------------------------------------------
std_mutex(2thread) 1.34us 744.36K
folly_microspin(2thread) 132.73% 1.01us 987.98K
folly_picospin(2thread) 125.87% 1.07us 936.94K
folly_microlock(2thread) 122.59% 1.10us 912.54K
std_mutex(2thread) 1.23us 813.13K
folly_microspin(2thread) 165.99% 740.92ns 1.35M
folly_picospin(2thread) 143.34% 857.99ns 1.17M
folly_microlock(2thread) 133.62% 920.40ns 1.09M
----------------------------------------------------------------------------
std_mutex(4thread) 2.97us 337.23K
folly_microspin(4thread) 124.18% 2.39us 418.79K
folly_picospin(4thread) 124.57% 2.38us 420.08K
folly_microlock(4thread) 86.75% 3.42us 292.56K
std_mutex(4thread) 2.58us 387.69K
folly_microspin(4thread) 121.91% 2.12us 472.62K
folly_picospin(4thread) 132.37% 1.95us 513.19K
folly_microlock(4thread) 104.59% 2.47us 405.49K
----------------------------------------------------------------------------
std_mutex(8thread) 6.12us 163.36K
folly_microspin(8thread) 96.91% 6.32us 158.30K
folly_picospin(8thread) 78.49% 7.80us 128.22K
folly_microlock(8thread) 84.30% 7.26us 137.72K
std_mutex(8thread) 5.92us 169.00K
folly_microspin(8thread) 141.90% 4.17us 239.81K
folly_picospin(8thread) 89.49% 6.61us 151.24K
folly_microlock(8thread) 84.45% 7.01us 142.71K
----------------------------------------------------------------------------
std_mutex(16thread) 12.14us 82.36K
folly_microspin(16thread) 156.31% 7.77us 128.74K
folly_picospin(16thread) 55.58% 21.84us 45.78K
folly_microlock(16thread) 69.51% 17.47us 57.25K
std_mutex(16thread) 11.60us 86.20K
folly_microspin(16thread) 99.89% 11.61us 86.10K
folly_picospin(16thread) 62.22% 18.64us 53.63K
folly_microlock(16thread) 63.53% 18.26us 54.76K
----------------------------------------------------------------------------
std_mutex(32thread) 21.96us 45.54K
folly_microspin(32thread) 129.72% 16.93us 59.08K
folly_picospin(32thread) 38.35% 57.26us 17.47K
folly_microlock(32thread) 68.93% 31.85us 31.39K
std_mutex(32thread) 33.43us 29.91K
folly_microspin(32thread) 108.98% 30.67us 32.60K
folly_picospin(32thread) 33.06% 101.11us 9.89K
folly_microlock(32thread) 55.95% 59.75us 16.74K
----------------------------------------------------------------------------
std_mutex(64thread) 40.99us 24.40K
folly_microspin(64thread) 98.22% 41.73us 23.97K
folly_picospin(64thread) 33.16% 123.61us 8.09K
folly_microlock(64thread) 64.89% 63.16us 15.83K
std_mutex(64thread) 36.79us 27.18K
folly_microspin(64thread) 106.69% 34.48us 29.00K
folly_picospin(64thread) 35.82% 102.72us 9.74K
folly_microlock(64thread) 57.42% 64.08us 15.61K
============================================================================
*/
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