On Sun, 16 Jun 2024 07:17:16 GMT, Shaojin Wen <d...@openjdk.org> wrote:
> [8318446](https://github.com/openjdk/jdk/pull/16245) brings MergeStore. We > need a JMH Benchmark to evaluate the performance of various batch operations > and the effect of MergeStore. # 1. Cases MergeStore does not work >From the results of running the test, the following method MergeStore does not >work getIntB getIntBU getIntL getIntLU getIntRB getIntRBU getIntRL getIntRLU getLongB getLongBU getLongL getLongLU getLongRB getLongRBU getLongRL getLongRLU putChars4UC setIntB setIntBU setIntRB setIntRBU setLongB setLongBU setLongRB setLongRBU @eme64 Please help me find out what the reason is and whether it can be improved. # 2. Performance numbers The names of these cases have the following `B/L/V/U` suffixes, which are: B BigEndian L LittleEndian V VarHandle U Unsafe R reverseBytes ## 2.1 MacBook M1 Pro (aarch64) Benchmark Mode Cnt Score Error Units MergeStoreBench.getIntB avgt 15 6286.579 ? 20.457 ns/op MergeStoreBench.getIntBU avgt 15 5225.216 ? 8.330 ns/op MergeStoreBench.getIntBV avgt 15 1210.682 ? 9.729 ns/op MergeStoreBench.getIntL avgt 15 6164.693 ? 10.310 ns/op MergeStoreBench.getIntLU avgt 15 5143.012 ? 14.522 ns/op MergeStoreBench.getIntLV avgt 15 2559.030 ? 3.875 ns/op MergeStoreBench.getIntRB avgt 15 6878.932 ? 33.494 ns/op MergeStoreBench.getIntRBU avgt 15 5767.165 ? 5.969 ns/op MergeStoreBench.getIntRL avgt 15 6627.529 ? 16.028 ns/op MergeStoreBench.getIntRLU avgt 15 5751.723 ? 23.192 ns/op MergeStoreBench.getIntRU avgt 15 2545.811 ? 3.665 ns/op MergeStoreBench.getIntU avgt 15 2540.611 ? 1.315 ns/op MergeStoreBench.getLongB avgt 15 12089.536 ? 14.140 ns/op MergeStoreBench.getLongBU avgt 15 9781.314 ? 71.234 ns/op MergeStoreBench.getLongBV avgt 15 2592.388 ? 4.432 ns/op MergeStoreBench.getLongL avgt 15 12024.902 ? 12.263 ns/op MergeStoreBench.getLongLU avgt 15 9678.164 ? 66.240 ns/op MergeStoreBench.getLongLV avgt 15 2558.131 ? 4.451 ns/op MergeStoreBench.getLongRB avgt 15 12085.246 ? 13.510 ns/op MergeStoreBench.getLongRBU avgt 15 9764.272 ? 12.714 ns/op MergeStoreBench.getLongRL avgt 15 12030.738 ? 22.437 ns/op MergeStoreBench.getLongRLU avgt 15 9653.951 ? 29.618 ns/op MergeStoreBench.getLongRU avgt 15 2546.557 ? 2.935 ns/op MergeStoreBench.getLongU avgt 15 2540.195 ? 2.042 ns/op MergeStoreBench.putChars4 avgt 15 8489.149 ? 12.100 ns/op MergeStoreBench.putChars4UB avgt 15 3829.348 ? 7.844 ns/op MergeStoreBench.putChars4UC avgt 15 4483.231 ? 2.922 ns/op MergeStoreBench.setIntB avgt 15 5098.299 ? 5.857 ns/op MergeStoreBench.setIntBU avgt 15 5100.068 ? 7.315 ns/op MergeStoreBench.setIntBV avgt 15 1225.125 ? 1.650 ns/op MergeStoreBench.setIntL avgt 15 2765.106 ? 4.291 ns/op MergeStoreBench.setIntLU avgt 15 2574.478 ? 6.680 ns/op MergeStoreBench.setIntLV avgt 15 5106.786 ? 1.659 ns/op MergeStoreBench.setIntRB avgt 15 5372.028 ? 38.223 ns/op MergeStoreBench.setIntRBU avgt 15 5413.775 ? 10.059 ns/op MergeStoreBench.setIntRL avgt 15 5289.971 ? 4.359 ns/op MergeStoreBench.setIntRLU avgt 15 5125.193 ? 1.667 ns/op MergeStoreBench.setIntRU avgt 15 5102.132 ? 10.858 ns/op MergeStoreBench.setIntU avgt 15 5104.280 ? 53.560 ns/op MergeStoreBench.setLongB avgt 15 10249.911 ? 12.840 ns/op MergeStoreBench.setLongBU avgt 15 10231.282 ? 6.696 ns/op MergeStoreBench.setLongBV avgt 15 2665.162 ? 5.059 ns/op MergeStoreBench.setLongL avgt 15 6306.266 ? 7.843 ns/op MergeStoreBench.setLongLU avgt 15 2878.446 ? 62.543 ns/op MergeStoreBench.setLongLV avgt 15 2663.849 ? 1.446 ns/op MergeStoreBench.setLongRB avgt 15 10250.651 ? 16.368 ns/op MergeStoreBench.setLongRBU avgt 15 10237.918 ? 14.213 ns/op MergeStoreBench.setLongRL avgt 15 6645.274 ? 9.166 ns/op MergeStoreBench.setLongRLU avgt 15 3227.096 ? 2.098 ns/op MergeStoreBench.setLongRU avgt 15 2609.076 ? 3.404 ns/op MergeStoreBench.setLongU avgt 15 2593.581 ? 1.021 ns/op ## 2.2 MacBook 2018 i9 (x64) * CPU Intel i9 Benchmark Mode Cnt Score Error Units MergeStoreBench.getIntB avgt 15 11342.301 ? 176.256 ns/op MergeStoreBench.getIntBU avgt 15 7151.310 ? 75.508 ns/op MergeStoreBench.getIntBV avgt 15 280.465 ? 2.483 ns/op MergeStoreBench.getIntL avgt 15 11124.116 ? 132.253 ns/op MergeStoreBench.getIntLU avgt 15 7126.255 ? 33.276 ns/op MergeStoreBench.getIntLV avgt 15 1840.656 ? 25.828 ns/op MergeStoreBench.getIntRB avgt 15 12084.764 ? 126.922 ns/op MergeStoreBench.getIntRBU avgt 15 7822.741 ? 136.473 ns/op MergeStoreBench.getIntRL avgt 15 11370.996 ? 150.874 ns/op MergeStoreBench.getIntRLU avgt 15 7638.077 ? 86.311 ns/op MergeStoreBench.getIntRU avgt 15 2278.221 ? 19.787 ns/op MergeStoreBench.getIntU avgt 15 2063.943 ? 10.099 ns/op MergeStoreBench.getLongB avgt 15 22398.302 ? 479.694 ns/op MergeStoreBench.getLongBU avgt 15 13656.548 ? 212.759 ns/op MergeStoreBench.getLongBV avgt 15 757.250 ? 13.629 ns/op MergeStoreBench.getLongL avgt 15 20721.523 ? 186.996 ns/op MergeStoreBench.getLongLU avgt 15 13647.936 ? 147.855 ns/op MergeStoreBench.getLongLV avgt 15 1855.380 ? 30.576 ns/op MergeStoreBench.getLongRB avgt 15 22258.859 ? 363.429 ns/op MergeStoreBench.getLongRBU avgt 15 13688.325 ? 111.394 ns/op MergeStoreBench.getLongRL avgt 15 20736.818 ? 134.670 ns/op MergeStoreBench.getLongRLU avgt 15 13648.559 ? 218.167 ns/op MergeStoreBench.getLongRU avgt 15 2962.730 ? 61.445 ns/op MergeStoreBench.getLongU avgt 15 2881.851 ? 31.687 ns/op MergeStoreBench.putChars4 avgt 15 5842.259 ? 166.988 ns/op MergeStoreBench.putChars4UB avgt 15 3621.801 ? 36.636 ns/op MergeStoreBench.putChars4UC avgt 15 7728.219 ? 599.829 ns/op MergeStoreBench.setIntB avgt 15 9754.119 ? 100.943 ns/op MergeStoreBench.setIntBU avgt 15 12094.327 ? 88.931 ns/op MergeStoreBench.setIntBV avgt 15 546.581 ? 11.151 ns/op MergeStoreBench.setIntL avgt 15 2241.645 ? 21.620 ns/op MergeStoreBench.setIntLU avgt 15 5032.690 ? 39.638 ns/op MergeStoreBench.setIntLV avgt 15 727.206 ? 9.519 ns/op MergeStoreBench.setIntRB avgt 15 10787.160 ? 187.849 ns/op MergeStoreBench.setIntRBU avgt 15 12464.270 ? 121.011 ns/op MergeStoreBench.setIntRL avgt 15 5250.418 ? 85.523 ns/op MergeStoreBench.setIntRLU avgt 15 7677.631 ? 80.561 ns/op MergeStoreBench.setIntRU avgt 15 1011.738 ? 8.791 ns/op MergeStoreBench.setIntU avgt 15 791.924 ? 14.517 ns/op MergeStoreBench.setLongB avgt 15 17833.690 ? 127.313 ns/op MergeStoreBench.setLongBU avgt 15 26447.098 ? 168.301 ns/op MergeStoreBench.setLongBV avgt 15 1071.447 ? 8.947 ns/op MergeStoreBench.setLongL avgt 15 3724.440 ? 35.119 ns/op MergeStoreBench.setLongLU avgt 15 5339.593 ? 45.358 ns/op MergeStoreBench.setLongLV avgt 15 1069.890 ? 16.179 ns/op MergeStoreBench.setLongRB avgt 15 18908.125 ? 262.767 ns/op MergeStoreBench.setLongRBU avgt 15 27622.437 ? 689.809 ns/op MergeStoreBench.setLongRL avgt 15 4338.138 ? 115.879 ns/op MergeStoreBench.setLongRLU avgt 15 4585.764 ? 102.305 ns/op MergeStoreBench.setLongRU avgt 15 1121.779 ? 36.325 ns/op MergeStoreBench.setLongU avgt 15 1075.340 ? 17.020 ns/op ## 2.3 Aliyun ecs.c8a (x64) * CPU AMD EPYCTM Genoa Benchmark Mode Cnt Score Error Units MergeStoreBench.getIntB avgt 15 11976.614 ± 19.245 ns/op MergeStoreBench.getIntBU avgt 15 9054.386 ± 12.848 ns/op MergeStoreBench.getIntBV avgt 15 304.320 ± 0.412 ns/op MergeStoreBench.getIntL avgt 15 10755.574 ± 360.835 ns/op MergeStoreBench.getIntLU avgt 15 8889.977 ± 17.342 ns/op MergeStoreBench.getIntLV avgt 15 2229.743 ± 3.334 ns/op MergeStoreBench.getIntRB avgt 15 12356.363 ± 17.140 ns/op MergeStoreBench.getIntRBU avgt 15 11132.557 ± 21.023 ns/op MergeStoreBench.getIntRL avgt 15 11218.259 ± 15.377 ns/op MergeStoreBench.getIntRLU avgt 15 9356.533 ± 16.075 ns/op MergeStoreBench.getIntRU avgt 15 2511.578 ± 4.710 ns/op MergeStoreBench.getIntU avgt 15 2497.917 ± 3.230 ns/op MergeStoreBench.getLongB avgt 15 26910.266 ± 54.383 ns/op MergeStoreBench.getLongBU avgt 15 14217.696 ± 20.862 ns/op MergeStoreBench.getLongBV avgt 15 602.235 ± 0.678 ns/op MergeStoreBench.getLongL avgt 15 26889.931 ± 43.526 ns/op MergeStoreBench.getLongLU avgt 15 14547.062 ± 39.383 ns/op MergeStoreBench.getLongLV avgt 15 2228.017 ± 3.593 ns/op MergeStoreBench.getLongRB avgt 15 26901.754 ± 29.490 ns/op MergeStoreBench.getLongRBU avgt 15 14212.233 ± 17.917 ns/op MergeStoreBench.getLongRL avgt 15 26904.774 ± 53.650 ns/op MergeStoreBench.getLongRLU avgt 15 14531.530 ± 26.863 ns/op MergeStoreBench.getLongRU avgt 15 3066.434 ± 5.223 ns/op MergeStoreBench.getLongU avgt 15 3056.801 ± 4.346 ns/op MergeStoreBench.putChars4 avgt 15 13433.247 ± 19.357 ns/op MergeStoreBench.putChars4UB avgt 15 4209.355 ± 10.661 ns/op MergeStoreBench.putChars4UC avgt 15 3388.720 ± 7.222 ns/op MergeStoreBench.setIntB avgt 15 8044.968 ± 10.066 ns/op MergeStoreBench.setIntBU avgt 15 10359.992 ± 41.852 ns/op MergeStoreBench.setIntBV avgt 15 598.579 ± 2.360 ns/op MergeStoreBench.setIntL avgt 15 2548.295 ± 5.228 ns/op MergeStoreBench.setIntLU avgt 15 6179.865 ± 70.419 ns/op MergeStoreBench.setIntLV avgt 15 603.562 ± 1.408 ns/op MergeStoreBench.setIntRB avgt 15 9743.462 ± 22.873 ns/op MergeStoreBench.setIntRBU avgt 15 10673.845 ± 21.662 ns/op MergeStoreBench.setIntRL avgt 15 6216.996 ± 7.323 ns/op MergeStoreBench.setIntRLU avgt 15 8407.392 ± 108.065 ns/op MergeStoreBench.setIntRU avgt 15 635.986 ± 1.449 ns/op MergeStoreBench.setIntU avgt 15 610.444 ± 1.139 ns/op MergeStoreBench.setLongB avgt 15 17226.045 ± 32.847 ns/op MergeStoreBench.setLongBU avgt 15 21476.791 ± 90.608 ns/op MergeStoreBench.setLongBV avgt 15 1184.335 ± 1.624 ns/op MergeStoreBench.setLongL avgt 15 3352.579 ± 4.849 ns/op MergeStoreBench.setLongLU avgt 15 6227.171 ± 9.784 ns/op MergeStoreBench.setLongLV avgt 15 1194.549 ± 2.399 ns/op MergeStoreBench.setLongRB avgt 15 17967.391 ± 41.726 ns/op MergeStoreBench.setLongRBU avgt 15 21428.757 ± 25.568 ns/op MergeStoreBench.setLongRL avgt 15 4035.273 ± 6.881 ns/op MergeStoreBench.setLongRLU avgt 15 4858.090 ± 16.189 ns/op MergeStoreBench.setLongRU avgt 15 1169.711 ± 2.061 ns/op MergeStoreBench.setLongU avgt 15 1196.299 ± 1.978 ns/op ## 2.4 Aliyun ecs.c8i (x64) CPU CPU Intel® Xeon® Emerald Benchmark Mode Cnt Score Error Units MergeStoreBench.getIntB avgt 15 10515.469 ± 21.610 ns/op MergeStoreBench.getIntBU avgt 15 9269.025 ± 16.736 ns/op MergeStoreBench.getIntBV avgt 15 255.475 ± 0.853 ns/op MergeStoreBench.getIntL avgt 15 9699.152 ± 57.865 ns/op MergeStoreBench.getIntLU avgt 15 8984.031 ± 13.596 ns/op MergeStoreBench.getIntLV avgt 15 2570.119 ± 1.924 ns/op MergeStoreBench.getIntRB avgt 15 11281.847 ± 3.579 ns/op MergeStoreBench.getIntRBU avgt 15 10323.475 ± 14.128 ns/op MergeStoreBench.getIntRL avgt 15 10566.386 ± 2.524 ns/op MergeStoreBench.getIntRLU avgt 15 9432.976 ± 2.876 ns/op MergeStoreBench.getIntRU avgt 15 2327.557 ± 0.471 ns/op MergeStoreBench.getIntU avgt 15 2311.914 ± 1.782 ns/op MergeStoreBench.getLongB avgt 15 21682.355 ± 30.503 ns/op MergeStoreBench.getLongBU avgt 15 14674.931 ± 3.452 ns/op MergeStoreBench.getLongBV avgt 15 652.253 ± 1.555 ns/op MergeStoreBench.getLongL avgt 15 21583.633 ± 28.439 ns/op MergeStoreBench.getLongLU avgt 15 14350.307 ± 31.842 ns/op MergeStoreBench.getLongLV avgt 15 2575.151 ± 0.376 ns/op MergeStoreBench.getLongRB avgt 15 21678.521 ± 5.962 ns/op MergeStoreBench.getLongRBU avgt 15 14678.208 ± 23.997 ns/op MergeStoreBench.getLongRL avgt 15 21576.705 ± 2.667 ns/op MergeStoreBench.getLongRLU avgt 15 14341.769 ± 22.908 ns/op MergeStoreBench.getLongRU avgt 15 2986.505 ± 0.574 ns/op MergeStoreBench.getLongU avgt 15 2940.918 ± 0.348 ns/op MergeStoreBench.putChars4 avgt 15 10438.053 ± 15.578 ns/op MergeStoreBench.putChars4UB avgt 15 3015.499 ± 7.300 ns/op MergeStoreBench.putChars4UC avgt 15 5317.663 ± 3.992 ns/op MergeStoreBench.setIntB avgt 15 6885.979 ± 11.822 ns/op MergeStoreBench.setIntBU avgt 15 10131.264 ± 30.389 ns/op MergeStoreBench.setIntBV avgt 15 898.844 ± 3.806 ns/op MergeStoreBench.setIntL avgt 15 2885.903 ± 3.228 ns/op MergeStoreBench.setIntLU avgt 15 5282.482 ± 59.298 ns/op MergeStoreBench.setIntLV avgt 15 949.442 ± 2.543 ns/op MergeStoreBench.setIntRB avgt 15 8152.273 ± 11.990 ns/op MergeStoreBench.setIntRBU avgt 15 10604.720 ± 19.430 ns/op MergeStoreBench.setIntRL avgt 15 5989.979 ± 4.767 ns/op MergeStoreBench.setIntRLU avgt 15 7261.499 ± 120.307 ns/op MergeStoreBench.setIntRU avgt 15 960.782 ± 2.784 ns/op MergeStoreBench.setIntU avgt 15 989.716 ± 1.030 ns/op MergeStoreBench.setLongB avgt 15 15865.777 ± 32.450 ns/op MergeStoreBench.setLongBU avgt 15 22843.580 ± 48.434 ns/op MergeStoreBench.setLongBV avgt 15 1814.973 ± 7.079 ns/op MergeStoreBench.setLongL avgt 15 4346.312 ± 1.318 ns/op MergeStoreBench.setLongLU avgt 15 5399.475 ± 35.513 ns/op MergeStoreBench.setLongLV avgt 15 1903.106 ± 22.995 ns/op MergeStoreBench.setLongRB avgt 15 16980.234 ± 34.819 ns/op MergeStoreBench.setLongRBU avgt 15 24924.078 ± 49.285 ns/op MergeStoreBench.setLongRL avgt 15 4483.791 ± 6.976 ns/op MergeStoreBench.setLongRLU avgt 15 5004.085 ± 3.843 ns/op MergeStoreBench.setLongRU avgt 15 1818.725 ± 21.406 ns/op MergeStoreBench.setLongU avgt 15 1940.593 ± 21.824 ns/op ## 2.5 Aliyun ecs.c8y (aarch64) * CPU Aliyun Yitian 710 Benchmark Mode Cnt Score Error Units MergeStoreBench.getIntB avgt 15 7693.088 ± 3.311 ns/op MergeStoreBench.getIntBU avgt 15 6569.492 ± 4.363 ns/op MergeStoreBench.getIntBV avgt 15 1360.788 ± 0.185 ns/op MergeStoreBench.getIntL avgt 15 6869.948 ± 0.459 ns/op MergeStoreBench.getIntLU avgt 15 6059.390 ± 10.758 ns/op MergeStoreBench.getIntLV avgt 15 2753.969 ± 0.147 ns/op MergeStoreBench.getIntRB avgt 15 8176.169 ± 108.856 ns/op MergeStoreBench.getIntRBU avgt 15 7262.778 ± 2.157 ns/op MergeStoreBench.getIntRL avgt 15 7691.955 ± 2.307 ns/op MergeStoreBench.getIntRLU avgt 15 6687.164 ± 11.958 ns/op MergeStoreBench.getIntRU avgt 15 2816.706 ± 1.032 ns/op MergeStoreBench.getIntU avgt 15 2855.242 ± 0.395 ns/op MergeStoreBench.getLongB avgt 15 13808.276 ± 5.076 ns/op MergeStoreBench.getLongBU avgt 15 11786.525 ± 6.141 ns/op MergeStoreBench.getLongBV avgt 15 2792.010 ± 0.671 ns/op MergeStoreBench.getLongL avgt 15 13296.684 ± 17.836 ns/op MergeStoreBench.getLongLU avgt 15 11210.969 ± 5.916 ns/op MergeStoreBench.getLongLV avgt 15 2759.405 ± 0.240 ns/op MergeStoreBench.getLongRB avgt 15 13812.198 ± 2.658 ns/op MergeStoreBench.getLongRBU avgt 15 11786.747 ± 5.149 ns/op MergeStoreBench.getLongRL avgt 15 13300.198 ± 16.842 ns/op MergeStoreBench.getLongRLU avgt 15 11208.050 ± 9.084 ns/op MergeStoreBench.getLongRU avgt 15 2835.510 ± 0.462 ns/op MergeStoreBench.getLongU avgt 15 2864.473 ± 0.705 ns/op MergeStoreBench.putChars4 avgt 15 8895.844 ± 6.508 ns/op MergeStoreBench.putChars4UB avgt 15 5495.596 ± 1.519 ns/op MergeStoreBench.putChars4UC avgt 15 5110.665 ± 6.025 ns/op MergeStoreBench.setIntB avgt 15 6062.162 ± 4.247 ns/op MergeStoreBench.setIntBU avgt 15 6665.214 ± 13.035 ns/op MergeStoreBench.setIntBV avgt 15 1362.756 ± 0.087 ns/op MergeStoreBench.setIntL avgt 15 2823.779 ± 0.791 ns/op MergeStoreBench.setIntLU avgt 15 2766.163 ± 0.179 ns/op MergeStoreBench.setIntLV avgt 15 5508.486 ± 1.444 ns/op MergeStoreBench.setIntRB avgt 15 7591.497 ± 6.000 ns/op MergeStoreBench.setIntRBU avgt 15 7748.780 ± 4.463 ns/op MergeStoreBench.setIntRL avgt 15 5517.300 ± 7.851 ns/op MergeStoreBench.setIntRLU avgt 15 5622.521 ± 1.091 ns/op MergeStoreBench.setIntRU avgt 15 5581.834 ± 1.102 ns/op MergeStoreBench.setIntU avgt 15 5463.442 ± 0.682 ns/op MergeStoreBench.setLongB avgt 15 13516.164 ± 5.466 ns/op MergeStoreBench.setLongBU avgt 15 13614.626 ± 20.629 ns/op MergeStoreBench.setLongBV avgt 15 2796.317 ± 0.953 ns/op MergeStoreBench.setLongL avgt 15 5549.128 ± 28.272 ns/op MergeStoreBench.setLongLU avgt 15 4130.981 ± 1.344 ns/op MergeStoreBench.setLongLV avgt 15 2785.515 ± 0.318 ns/op MergeStoreBench.setLongRB avgt 15 14287.192 ± 10.265 ns/op MergeStoreBench.setLongRBU avgt 15 14499.620 ± 10.026 ns/op MergeStoreBench.setLongRL avgt 15 6671.064 ± 21.088 ns/op MergeStoreBench.setLongRLU avgt 15 4831.917 ± 11.497 ns/op MergeStoreBench.setLongRU avgt 15 3197.165 ± 0.768 ns/op MergeStoreBench.setLongU avgt 15 2799.934 ± 1.945 ns/op ## 2.6 Orange Pi 5 Plus (aarch64) * Rockchip RK3588S (8nm LP process) * http://www.orangepi.org/html/hardWare/computerAndMicrocontrollers/details/Orange-Pi-5-Pro.html Benchmark Mode Cnt Score Error Units MergeStoreBench.getIntB avgt 15 14310.070 ± 80.699 ns/op MergeStoreBench.getIntBU avgt 15 12523.180 ± 30.688 ns/op MergeStoreBench.getIntBV avgt 15 1846.502 ± 5.312 ns/op MergeStoreBench.getIntL avgt 15 12956.229 ± 24.863 ns/op MergeStoreBench.getIntLU avgt 15 11325.391 ± 38.825 ns/op MergeStoreBench.getIntLV avgt 15 3768.575 ± 20.082 ns/op MergeStoreBench.getIntRB avgt 15 15539.092 ± 40.245 ns/op MergeStoreBench.getIntRBU avgt 15 13862.743 ± 54.321 ns/op MergeStoreBench.getIntRL avgt 15 14186.647 ± 35.623 ns/op MergeStoreBench.getIntRLU avgt 15 12573.647 ± 23.523 ns/op MergeStoreBench.getIntRU avgt 15 4368.234 ± 23.460 ns/op MergeStoreBench.getIntU avgt 15 3700.248 ± 17.718 ns/op MergeStoreBench.getLongB avgt 15 26513.593 ± 84.012 ns/op MergeStoreBench.getLongBU avgt 15 22001.241 ± 47.761 ns/op MergeStoreBench.getLongBV avgt 15 4148.252 ± 15.058 ns/op MergeStoreBench.getLongL avgt 15 25282.815 ± 130.802 ns/op MergeStoreBench.getLongLU avgt 15 21206.815 ± 85.923 ns/op MergeStoreBench.getLongLV avgt 15 3777.233 ± 7.117 ns/op MergeStoreBench.getLongRB avgt 15 26485.481 ± 40.748 ns/op MergeStoreBench.getLongRBU avgt 15 21973.762 ± 32.260 ns/op MergeStoreBench.getLongRL avgt 15 25299.502 ± 59.614 ns/op MergeStoreBench.getLongRLU avgt 15 21178.624 ± 65.400 ns/op MergeStoreBench.getLongRU avgt 15 4388.503 ± 15.022 ns/op MergeStoreBench.getLongU avgt 15 3721.682 ± 3.202 ns/op MergeStoreBench.putChars4 avgt 15 18617.889 ± 194.877 ns/op MergeStoreBench.putChars4UB avgt 15 11140.563 ± 35.977 ns/op MergeStoreBench.putChars4UC avgt 15 10913.407 ± 30.633 ns/op MergeStoreBench.setIntB avgt 15 11670.307 ± 30.119 ns/op MergeStoreBench.setIntBU avgt 15 13614.156 ± 79.641 ns/op MergeStoreBench.setIntBV avgt 15 1856.985 ± 3.735 ns/op MergeStoreBench.setIntL avgt 15 5094.994 ± 143.111 ns/op MergeStoreBench.setIntLU avgt 15 4653.661 ± 13.918 ns/op MergeStoreBench.setIntLV avgt 15 7364.007 ± 23.713 ns/op MergeStoreBench.setIntRL avgt 15 7745.408 ± 19.505 ns/op MergeStoreBench.setIntRLU avgt 15 8262.371 ± 17.381 ns/op MergeStoreBench.setIntRU avgt 15 7361.715 ± 15.911 ns/op MergeStoreBench.setIntU avgt 15 7360.358 ± 18.326 ns/op MergeStoreBench.setLongB avgt 15 29724.536 ± 111.106 ns/op MergeStoreBench.setLongBU avgt 15 28497.008 ± 141.615 ns/op MergeStoreBench.setLongBV avgt 15 5722.789 ± 32.736 ns/op MergeStoreBench.setLongL avgt 15 10547.782 ± 31.164 ns/op MergeStoreBench.setLongLU avgt 15 8291.086 ± 39.928 ns/op MergeStoreBench.setLongLV avgt 15 4614.304 ± 24.229 ns/op MergeStoreBench.setLongRB avgt 15 33607.418 ± 293.440 ns/op MergeStoreBench.setLongRBU avgt 15 30414.981 ± 74.164 ns/op MergeStoreBench.setLongRL avgt 15 13901.427 ± 79.116 ns/op MergeStoreBench.setLongRLU avgt 15 9751.634 ± 337.882 ns/op MergeStoreBench.setLongRU avgt 15 6305.701 ± 13.433 ns/op MergeStoreBench.setLongU avgt 15 5174.620 ± 27.848 ns/op ## 2.7 AWS ecs c5.xlarge (x64) Benchmark Mode Cnt Score Error Units MergeStoreBench.getIntB avgt 15 13079.509 ± 31.297 ns/op MergeStoreBench.getIntBU avgt 15 9462.475 ± 21.237 ns/op MergeStoreBench.getIntBV avgt 15 427.081 ± 11.493 ns/op MergeStoreBench.getIntL avgt 15 12265.667 ± 155.913 ns/op MergeStoreBench.getIntLU avgt 15 9444.551 ± 6.117 ns/op MergeStoreBench.getIntLV avgt 15 2424.707 ± 3.046 ns/op MergeStoreBench.getIntRB avgt 15 13399.629 ± 21.861 ns/op MergeStoreBench.getIntRBU avgt 15 10146.871 ± 29.528 ns/op MergeStoreBench.getIntRL avgt 15 13079.355 ± 4.712 ns/op MergeStoreBench.getIntRLU avgt 15 10074.582 ± 21.369 ns/op MergeStoreBench.getIntRU avgt 15 2965.584 ± 8.777 ns/op MergeStoreBench.getIntU avgt 15 2725.438 ± 3.373 ns/op MergeStoreBench.getLongB avgt 15 26115.043 ± 45.099 ns/op MergeStoreBench.getLongBU avgt 15 17887.028 ± 31.958 ns/op MergeStoreBench.getLongBV avgt 15 1003.857 ± 3.478 ns/op MergeStoreBench.getLongL avgt 15 26121.420 ± 56.763 ns/op MergeStoreBench.getLongLU avgt 15 17838.494 ± 33.942 ns/op MergeStoreBench.getLongLV avgt 15 2422.744 ± 2.451 ns/op MergeStoreBench.getLongRB avgt 15 26099.347 ± 7.375 ns/op MergeStoreBench.getLongRBU avgt 15 17892.774 ± 36.187 ns/op MergeStoreBench.getLongRL avgt 15 26113.364 ± 42.866 ns/op MergeStoreBench.getLongRLU avgt 15 17828.021 ± 5.329 ns/op MergeStoreBench.getLongRU avgt 15 3848.432 ± 0.722 ns/op MergeStoreBench.getLongU avgt 15 3784.374 ± 6.472 ns/op MergeStoreBench.putChars4 avgt 15 9816.198 ± 26.355 ns/op MergeStoreBench.putChars4UB avgt 15 4706.135 ± 4.254 ns/op MergeStoreBench.putChars4UC avgt 15 10203.688 ± 56.176 ns/op MergeStoreBench.setIntB avgt 15 12799.623 ± 28.007 ns/op MergeStoreBench.setIntBU avgt 15 15187.730 ± 40.084 ns/op MergeStoreBench.setIntBV avgt 15 889.277 ± 11.389 ns/op MergeStoreBench.setIntL avgt 15 2970.163 ± 5.265 ns/op MergeStoreBench.setIntLU avgt 15 6769.524 ± 18.502 ns/op MergeStoreBench.setIntLV avgt 15 945.737 ± 2.444 ns/op MergeStoreBench.setIntRB avgt 15 14046.973 ± 32.796 ns/op MergeStoreBench.setIntRBU avgt 15 16527.209 ± 82.575 ns/op MergeStoreBench.setIntRL avgt 15 7020.496 ± 179.054 ns/op MergeStoreBench.setIntRLU avgt 15 10178.358 ± 19.539 ns/op MergeStoreBench.setIntRU avgt 15 1343.150 ± 6.356 ns/op MergeStoreBench.setIntU avgt 15 1037.694 ± 2.379 ns/op MergeStoreBench.setLongB avgt 15 22693.643 ± 42.961 ns/op MergeStoreBench.setLongBU avgt 15 35717.196 ± 104.769 ns/op MergeStoreBench.setLongBV avgt 15 1753.671 ± 26.216 ns/op MergeStoreBench.setLongL avgt 15 4150.631 ± 1.421 ns/op MergeStoreBench.setLongLU avgt 15 7141.568 ± 27.922 ns/op MergeStoreBench.setLongLV avgt 15 1678.193 ± 5.627 ns/op MergeStoreBench.setLongRB avgt 15 24545.267 ± 6.587 ns/op MergeStoreBench.setLongRBU avgt 15 36050.753 ± 65.961 ns/op MergeStoreBench.setLongRL avgt 15 5557.854 ± 8.769 ns/op MergeStoreBench.setLongRLU avgt 15 6155.434 ± 50.697 ns/op MergeStoreBench.setLongRU avgt 15 1751.805 ± 26.192 ns/op MergeStoreBench.setLongU avgt 15 1701.889 ± 9.799 ns/op ## 2.8 AWS c7g.xlarge (aarch64) * [AWS Graviton3 Processor](https://aws.amazon.com/ec2/graviton/) Benchmark Mode Cnt Score Error Units MergeStoreBench.getIntB avgt 15 8043.459 ± 4.801 ns/op MergeStoreBench.getIntBU avgt 15 7056.463 ± 3.285 ns/op MergeStoreBench.getIntBV avgt 15 780.570 ± 0.033 ns/op MergeStoreBench.getIntL avgt 15 7666.043 ± 10.795 ns/op MergeStoreBench.getIntLU avgt 15 6379.222 ± 13.369 ns/op MergeStoreBench.getIntLV avgt 15 3179.702 ± 0.235 ns/op MergeStoreBench.getIntRB avgt 15 8892.801 ± 7.461 ns/op MergeStoreBench.getIntRBU avgt 15 7822.666 ± 0.944 ns/op MergeStoreBench.getIntRL avgt 15 8385.029 ± 255.203 ns/op MergeStoreBench.getIntRLU avgt 15 6995.686 ± 1.382 ns/op MergeStoreBench.getIntRU avgt 15 2361.462 ± 0.125 ns/op MergeStoreBench.getIntU avgt 15 2232.425 ± 0.121 ns/op MergeStoreBench.getLongB avgt 15 15212.747 ± 72.866 ns/op MergeStoreBench.getLongBU avgt 15 12521.436 ± 10.604 ns/op MergeStoreBench.getLongBV avgt 15 1570.044 ± 0.614 ns/op MergeStoreBench.getLongL avgt 15 14723.614 ± 2.207 ns/op MergeStoreBench.getLongLU avgt 15 12038.660 ± 17.515 ns/op MergeStoreBench.getLongLV avgt 15 3180.912 ± 0.213 ns/op MergeStoreBench.getLongRB avgt 15 15168.386 ± 3.612 ns/op MergeStoreBench.getLongRBU avgt 15 12513.044 ± 6.066 ns/op MergeStoreBench.getLongRL avgt 15 14725.218 ± 2.830 ns/op MergeStoreBench.getLongRLU avgt 15 12030.288 ± 17.871 ns/op MergeStoreBench.getLongRU avgt 15 3198.287 ± 0.195 ns/op MergeStoreBench.getLongU avgt 15 3187.308 ± 0.211 ns/op MergeStoreBench.putChars4 avgt 15 10401.393 ± 12.031 ns/op MergeStoreBench.putChars4UB avgt 15 3677.934 ± 2.670 ns/op MergeStoreBench.putChars4UC avgt 15 5744.121 ± 82.141 ns/op MergeStoreBench.setIntB avgt 15 7043.439 ± 2.165 ns/op MergeStoreBench.setIntBU avgt 15 7981.350 ± 0.716 ns/op MergeStoreBench.setIntBV avgt 15 784.619 ± 0.029 ns/op MergeStoreBench.setIntL avgt 15 3189.311 ± 0.710 ns/op MergeStoreBench.setIntLU avgt 15 3272.439 ± 3.194 ns/op MergeStoreBench.setIntLV avgt 15 1565.925 ± 0.146 ns/op MergeStoreBench.setIntRB avgt 15 8625.077 ± 1.519 ns/op MergeStoreBench.setIntRBU avgt 15 8105.421 ± 27.598 ns/op MergeStoreBench.setIntRL avgt 15 6300.870 ± 0.364 ns/op MergeStoreBench.setIntRLU avgt 15 6336.852 ± 1.972 ns/op MergeStoreBench.setIntRU avgt 15 1716.681 ± 28.187 ns/op MergeStoreBench.setIntU avgt 15 1567.628 ± 0.316 ns/op MergeStoreBench.setLongB avgt 15 14894.383 ± 12.716 ns/op MergeStoreBench.setLongBU avgt 15 16058.865 ± 17.127 ns/op MergeStoreBench.setLongBV avgt 15 1575.499 ± 0.678 ns/op MergeStoreBench.setLongL avgt 15 6856.932 ± 25.268 ns/op MergeStoreBench.setLongLU avgt 15 3385.389 ± 3.971 ns/op MergeStoreBench.setLongLV avgt 15 1569.862 ± 0.616 ns/op MergeStoreBench.setLongRB avgt 15 15452.243 ± 6.443 ns/op MergeStoreBench.setLongRBU avgt 15 15453.597 ± 10.201 ns/op MergeStoreBench.setLongRL avgt 15 7176.426 ± 4.363 ns/op MergeStoreBench.setLongRLU avgt 15 3211.004 ± 1.041 ns/op MergeStoreBench.setLongRU avgt 15 1575.034 ± 0.267 ns/op MergeStoreBench.setLongU avgt 15 1569.837 ± 0.461 ns/op ------------- PR Comment: https://git.openjdk.org/jdk/pull/19734#issuecomment-2171146882
