Created
March 28, 2019 00:51
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Save daurnimator/1d98e2c5c1b620ab895d5d7f412b4ace to your computer and use it in GitHub Desktop.
Results of https://github.com/wrl/thread-sync-latency-tests on a i7-7600U laptop.
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| for results/control: | |
| when sleeping for 3000000us: | |
| samples: 19 | |
| mean: 79.32ns (0.0001ms) | |
| median: 59.00ns (0.0001ms) | |
| min: 23.00ns (0.0000ms) | |
| max: 173.00ns (0.0002ms) | |
| when sleeping for 1000000us: | |
| samples: 59 | |
| mean: 84.37ns (0.0001ms) | |
| median: 65.00ns (0.0001ms) | |
| min: 14.00ns (0.0000ms) | |
| max: 185.00ns (0.0002ms) | |
| when sleeping for 100000us: | |
| samples: 599 | |
| mean: 91.63ns (0.0001ms) | |
| median: 79.00ns (0.0001ms) | |
| min: 15.00ns (0.0000ms) | |
| max: 484.00ns (0.0005ms) | |
| when sleeping for 10000us: | |
| samples: 5936 | |
| mean: 102.71ns (0.0001ms) | |
| median: 78.00ns (0.0001ms) | |
| min: 14.00ns (0.0000ms) | |
| max: 53943.00ns (0.0539ms) | |
| when sleeping for 1000us: | |
| samples: 55113 | |
| mean: 96.39ns (0.0001ms) | |
| median: 98.00ns (0.0001ms) | |
| min: 14.00ns (0.0000ms) | |
| max: 39872.00ns (0.0399ms) | |
| when sleeping for 500us: | |
| samples: 102124 | |
| mean: 95.45ns (0.0001ms) | |
| median: 95.00ns (0.0001ms) | |
| min: 14.00ns (0.0000ms) | |
| max: 28955.00ns (0.0290ms) | |
| for results/eventfd_blocking: | |
| when sleeping for 3000000us: | |
| samples: 19 | |
| mean: 23552.63ns (0.0236ms) | |
| median: 16853.00ns (0.0169ms) | |
| min: 4560.00ns (0.0046ms) | |
| max: 61016.00ns (0.0610ms) | |
| when sleeping for 1000000us: | |
| samples: 59 | |
| mean: 21113.36ns (0.0211ms) | |
| median: 11853.00ns (0.0119ms) | |
| min: 4383.00ns (0.0044ms) | |
| max: 76618.00ns (0.0766ms) | |
| when sleeping for 100000us: | |
| samples: 599 | |
| mean: 28852.05ns (0.0289ms) | |
| median: 16575.00ns (0.0166ms) | |
| min: 3736.00ns (0.0037ms) | |
| max: 2248701.00ns (2.2487ms) | |
| when sleeping for 10000us: | |
| samples: 5948 | |
| mean: 25633.87ns (0.0256ms) | |
| median: 15504.50ns (0.0155ms) | |
| min: 2571.00ns (0.0026ms) | |
| max: 3936160.00ns (3.9362ms) | |
| when sleeping for 1000us: | |
| samples: 55033 | |
| mean: 27148.18ns (0.0271ms) | |
| median: 16642.00ns (0.0166ms) | |
| min: 2077.00ns (0.0021ms) | |
| max: 2287319.00ns (2.2873ms) | |
| when sleeping for 500us: | |
| samples: 101676 | |
| mean: 26529.49ns (0.0265ms) | |
| median: 16214.50ns (0.0162ms) | |
| min: 1799.00ns (0.0018ms) | |
| max: 966402.00ns (0.9664ms) | |
| for results/eventfd_nonblock: | |
| when sleeping for 3000000us: | |
| samples: 19 | |
| mean: 26778.95ns (0.0268ms) | |
| median: 18399.00ns (0.0184ms) | |
| min: 6883.00ns (0.0069ms) | |
| max: 59578.00ns (0.0596ms) | |
| when sleeping for 1000000us: | |
| samples: 59 | |
| mean: 29317.76ns (0.0293ms) | |
| median: 18682.00ns (0.0187ms) | |
| min: 6548.00ns (0.0065ms) | |
| max: 82175.00ns (0.0822ms) | |
| when sleeping for 100000us: | |
| samples: 599 | |
| mean: 32483.85ns (0.0325ms) | |
| median: 23572.00ns (0.0236ms) | |
| min: 4917.00ns (0.0049ms) | |
| max: 96163.00ns (0.0962ms) | |
| when sleeping for 10000us: | |
| samples: 5948 | |
| mean: 30803.83ns (0.0308ms) | |
| median: 20188.00ns (0.0202ms) | |
| min: 3384.00ns (0.0034ms) | |
| max: 8503003.00ns (8.5030ms) | |
| when sleeping for 1000us: | |
| samples: 55009 | |
| mean: 34065.18ns (0.0341ms) | |
| median: 24474.00ns (0.0245ms) | |
| min: 2581.00ns (0.0026ms) | |
| max: 1034590.00ns (1.0346ms) | |
| when sleeping for 500us: | |
| samples: 101447 | |
| mean: 33223.19ns (0.0332ms) | |
| median: 23703.00ns (0.0237ms) | |
| min: 2240.00ns (0.0022ms) | |
| max: 1581697.00ns (1.5817ms) | |
| for results/futex: | |
| when sleeping for 3000000us: | |
| samples: 19 | |
| mean: 37330.32ns (0.0373ms) | |
| median: 47247.00ns (0.0472ms) | |
| min: 9644.00ns (0.0096ms) | |
| max: 62652.00ns (0.0627ms) | |
| when sleeping for 1000000us: | |
| samples: 59 | |
| mean: 25684.93ns (0.0257ms) | |
| median: 18401.00ns (0.0184ms) | |
| min: 4642.00ns (0.0046ms) | |
| max: 60622.00ns (0.0606ms) | |
| when sleeping for 100000us: | |
| samples: 599 | |
| mean: 39287.02ns (0.0393ms) | |
| median: 16645.00ns (0.0166ms) | |
| min: 4204.00ns (0.0042ms) | |
| max: 5846795.00ns (5.8468ms) | |
| when sleeping for 10000us: | |
| samples: 5948 | |
| mean: 25208.44ns (0.0252ms) | |
| median: 16988.50ns (0.0170ms) | |
| min: 2293.00ns (0.0023ms) | |
| max: 1203671.00ns (1.2037ms) | |
| when sleeping for 1000us: | |
| samples: 55001 | |
| mean: 29768.36ns (0.0298ms) | |
| median: 19217.00ns (0.0192ms) | |
| min: 2159.00ns (0.0022ms) | |
| max: 1064282.00ns (1.0643ms) | |
| when sleeping for 500us: | |
| samples: 101485 | |
| mean: 28973.92ns (0.0290ms) | |
| median: 18720.00ns (0.0187ms) | |
| min: 1899.00ns (0.0019ms) | |
| max: 1801140.00ns (1.8011ms) | |
| for results/futex_private: | |
| when sleeping for 3000000us: | |
| samples: 19 | |
| mean: 29407.89ns (0.0294ms) | |
| median: 27179.00ns (0.0272ms) | |
| min: 6402.00ns (0.0064ms) | |
| max: 50892.00ns (0.0509ms) | |
| when sleeping for 1000000us: | |
| samples: 59 | |
| mean: 26755.64ns (0.0268ms) | |
| median: 18439.00ns (0.0184ms) | |
| min: 4211.00ns (0.0042ms) | |
| max: 59378.00ns (0.0594ms) | |
| when sleeping for 100000us: | |
| samples: 599 | |
| mean: 27012.67ns (0.0270ms) | |
| median: 16890.00ns (0.0169ms) | |
| min: 3200.00ns (0.0032ms) | |
| max: 395809.00ns (0.3958ms) | |
| when sleeping for 10000us: | |
| samples: 5947 | |
| mean: 28012.53ns (0.0280ms) | |
| median: 16412.00ns (0.0164ms) | |
| min: 2503.00ns (0.0025ms) | |
| max: 9506809.00ns (9.5068ms) | |
| when sleeping for 1000us: | |
| samples: 54952 | |
| mean: 29118.90ns (0.0291ms) | |
| median: 18462.00ns (0.0185ms) | |
| min: 1929.00ns (0.0019ms) | |
| max: 1841211.00ns (1.8412ms) | |
| when sleeping for 500us: | |
| samples: 101351 | |
| mean: 28197.79ns (0.0282ms) | |
| median: 17704.00ns (0.0177ms) | |
| min: 1731.00ns (0.0017ms) | |
| max: 808173.00ns (0.8082ms) | |
| for results/pipe_blocking: | |
| when sleeping for 3000000us: | |
| samples: 19 | |
| mean: 22992.37ns (0.0230ms) | |
| median: 18416.00ns (0.0184ms) | |
| min: 7896.00ns (0.0079ms) | |
| max: 67647.00ns (0.0676ms) | |
| when sleeping for 1000000us: | |
| samples: 59 | |
| mean: 25553.34ns (0.0256ms) | |
| median: 19481.00ns (0.0195ms) | |
| min: 5070.00ns (0.0051ms) | |
| max: 81142.00ns (0.0811ms) | |
| when sleeping for 100000us: | |
| samples: 599 | |
| mean: 24411.63ns (0.0244ms) | |
| median: 18029.00ns (0.0180ms) | |
| min: 3959.00ns (0.0040ms) | |
| max: 101022.00ns (0.1010ms) | |
| when sleeping for 10000us: | |
| samples: 5947 | |
| mean: 24319.40ns (0.0243ms) | |
| median: 17599.00ns (0.0176ms) | |
| min: 3634.00ns (0.0036ms) | |
| max: 648426.00ns (0.6484ms) | |
| when sleeping for 1000us: | |
| samples: 55147 | |
| mean: 26150.88ns (0.0262ms) | |
| median: 18252.00ns (0.0183ms) | |
| min: 2423.00ns (0.0024ms) | |
| max: 868681.00ns (0.8687ms) | |
| when sleeping for 500us: | |
| samples: 102099 | |
| mean: 25842.44ns (0.0258ms) | |
| median: 17973.00ns (0.0180ms) | |
| min: 1979.00ns (0.0020ms) | |
| max: 569045.00ns (0.5690ms) | |
| for results/pipe_nonblock: | |
| when sleeping for 3000000us: | |
| samples: 19 | |
| mean: 22130.26ns (0.0221ms) | |
| median: 12345.00ns (0.0123ms) | |
| min: 7605.00ns (0.0076ms) | |
| max: 66956.00ns (0.0670ms) | |
| when sleeping for 1000000us: | |
| samples: 59 | |
| mean: 24507.36ns (0.0245ms) | |
| median: 12498.00ns (0.0125ms) | |
| min: 5389.00ns (0.0054ms) | |
| max: 69498.00ns (0.0695ms) | |
| when sleeping for 100000us: | |
| samples: 599 | |
| mean: 21428.90ns (0.0214ms) | |
| median: 11609.00ns (0.0116ms) | |
| min: 4699.00ns (0.0047ms) | |
| max: 105664.00ns (0.1057ms) | |
| when sleeping for 10000us: | |
| samples: 5952 | |
| mean: 20545.37ns (0.0205ms) | |
| median: 11191.00ns (0.0112ms) | |
| min: 3357.00ns (0.0034ms) | |
| max: 602475.00ns (0.6025ms) | |
| when sleeping for 1000us: | |
| samples: 55687 | |
| mean: 21247.31ns (0.0212ms) | |
| median: 9981.00ns (0.0100ms) | |
| min: 2604.00ns (0.0026ms) | |
| max: 973587.00ns (0.9736ms) | |
| when sleeping for 500us: | |
| samples: 103841 | |
| mean: 20821.97ns (0.0208ms) | |
| median: 9610.00ns (0.0096ms) | |
| min: 1138.00ns (0.0011ms) | |
| max: 1533345.00ns (1.5333ms) | |
| for results/posix_sem: | |
| when sleeping for 3000000us: | |
| samples: 19 | |
| mean: 18865.68ns (0.0189ms) | |
| median: 13417.00ns (0.0134ms) | |
| min: 5334.00ns (0.0053ms) | |
| max: 61030.00ns (0.0610ms) | |
| when sleeping for 1000000us: | |
| samples: 59 | |
| mean: 30039.31ns (0.0300ms) | |
| median: 19234.00ns (0.0192ms) | |
| min: 4544.00ns (0.0045ms) | |
| max: 71673.00ns (0.0717ms) | |
| when sleeping for 100000us: | |
| samples: 599 | |
| mean: 26205.64ns (0.0262ms) | |
| median: 16683.00ns (0.0167ms) | |
| min: 3797.00ns (0.0038ms) | |
| max: 157934.00ns (0.1579ms) | |
| when sleeping for 10000us: | |
| samples: 5944 | |
| mean: 24934.73ns (0.0249ms) | |
| median: 15688.00ns (0.0157ms) | |
| min: 3217.00ns (0.0032ms) | |
| max: 3641104.00ns (3.6411ms) | |
| when sleeping for 1000us: | |
| samples: 54987 | |
| mean: 30261.55ns (0.0303ms) | |
| median: 18531.00ns (0.0185ms) | |
| min: 1934.00ns (0.0019ms) | |
| max: 32738023.00ns (32.7380ms) | |
| when sleeping for 500us: | |
| samples: 101749 | |
| mean: 29099.12ns (0.0291ms) | |
| median: 18237.00ns (0.0182ms) | |
| min: 1095.00ns (0.0011ms) | |
| max: 1535408.00ns (1.5354ms) | |
| for results/pthread_condvar: | |
| when sleeping for 3000000us: | |
| samples: 19 | |
| mean: 40309.53ns (0.0403ms) | |
| median: 20725.00ns (0.0207ms) | |
| min: 8378.00ns (0.0084ms) | |
| max: 153894.00ns (0.1539ms) | |
| when sleeping for 1000000us: | |
| samples: 59 | |
| mean: 33432.31ns (0.0334ms) | |
| median: 25362.00ns (0.0254ms) | |
| min: 7449.00ns (0.0074ms) | |
| max: 134108.00ns (0.1341ms) | |
| when sleeping for 100000us: | |
| samples: 599 | |
| mean: 45258.87ns (0.0453ms) | |
| median: 19302.00ns (0.0193ms) | |
| min: 4051.00ns (0.0041ms) | |
| max: 9221163.00ns (9.2212ms) | |
| when sleeping for 10000us: | |
| samples: 5936 | |
| mean: 28746.45ns (0.0287ms) | |
| median: 19090.00ns (0.0191ms) | |
| min: 3640.00ns (0.0036ms) | |
| max: 608981.00ns (0.6090ms) | |
| when sleeping for 1000us: | |
| samples: 54890 | |
| mean: 33124.23ns (0.0331ms) | |
| median: 23398.50ns (0.0234ms) | |
| min: 2300.00ns (0.0023ms) | |
| max: 2945726.00ns (2.9457ms) | |
| when sleeping for 500us: | |
| samples: 101516 | |
| mean: 32275.35ns (0.0323ms) | |
| median: 24768.50ns (0.0248ms) | |
| min: 2170.00ns (0.0022ms) | |
| max: 938012.00ns (0.9380ms) |
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