RFR: 8324124: RISC-V: implement _vectorizedMismatch intrinsic
Yuri Gaevsky
duke at openjdk.org
Wed Feb 7 14:48:55 UTC 2024
On Wed, 7 Feb 2024 14:35:55 GMT, Yuri Gaevsky <duke at openjdk.org> wrote:
> Hello All,
>
> Please review these changes to enable the __vectorizedMismatch_ intrinsic on RISC-V platform with RVV instructions supported.
>
> Thank you,
> -Yuri Gaevsky
>
> **Correctness checks:**
> hotspot/jtreg/compiler/{intrinsic/c1/c2}/ under QEMU-8.1 with RVV v1.0.0 and -XX:TieredStopAtLevel=1/2/3/4.
NB: I have no access to "real" RVV v1.0.0 hardware so to estimate performance improvements
adopted the patch to RVV v0.7.1 ISA [1] under OpenJDK-21 and run the JMH test
org.openjdk.bench.java.util.VectorizedMismatch on LicheePi-4A TH1520 which does support
RVV v.0.7.1.
[1] https://mail.openjdk.org/pipermail/riscv-port-dev/2024-January/001220.html
The results are below.
Legend: UseVMI ==> UseVectorizedMismatchIntrinsic
ArraysMismatch.Byte
-----------------------------------------------------------------------
[-UseVMI] [+UseVMI]
Benchmark (size) Mode Cnt Score Error Score Error Units
mismatchStart 7 avgt 20 26.859 ± 0.051 26.378 ± 0.152 ns/op
mismatchStart 8 avgt 20 26.105 ± 0.043 66.174 ± 0.102 ns/op
mismatchStart 9 avgt 20 26.076 ± 0.031 70.042 ± 0.190 ns/op
mismatchStart 15 avgt 20 26.078 ± 0.043 70.055 ± 0.168 ns/op
mismatchStart 16 avgt 20 26.230 ± 0.040 70.043 ± 0.207 ns/op
mismatchStart 17 avgt 20 25.736 ± 0.075 65.643 ± 0.120 ns/op
mismatchStart 31 avgt 20 25.949 ± 0.072 54.216 ± 0.202 ns/op
mismatchStart 32 avgt 20 26.083 ± 0.060 54.190 ± 0.171 ns/op
mismatchStart 33 avgt 20 26.130 ± 0.082 64.681 ± 0.203 ns/op
mismatchStart 63 avgt 20 25.718 ± 0.030 65.310 ± 0.241 ns/op
mismatchStart 64 avgt 20 26.078 ± 0.042 65.357 ± 0.272 ns/op
mismatchStart 65 avgt 20 26.265 ± 0.039 61.773 ± 0.137 ns/op
mismatchStart 128 avgt 20 26.073 ± 0.040 62.401 ± 0.204 ns/op
mismatchStart 129 avgt 20 26.082 ± 0.038 61.901 ± 0.232 ns/op
mismatchStart 256 avgt 20 26.084 ± 0.061 54.098 ± 0.092 ns/op
mismatchStart 257 avgt 20 25.735 ± 0.040 61.772 ± 0.116 ns/op
mismatchStart 512 avgt 20 26.070 ± 0.036 54.112 ± 0.048 ns/op
mismatchStart 513 avgt 20 26.082 ± 0.035 61.801 ± 0.125 ns/op
mismatchStart 1024 avgt 20 26.097 ± 0.071 62.402 ± 0.173 ns/op
mismatchStart 1025 avgt 20 26.169 ± 0.101 61.972 ± 0.215 ns/op
mismatchStart 2048 avgt 20 26.094 ± 0.046 54.367 ± 0.258 ns/op
mismatchStart 2049 avgt 20 26.081 ± 0.031 62.383 ± 0.129 ns/op
mismatchStart 4096 avgt 20 26.125 ± 0.076 54.114 ± 0.110 ns/op
mismatchStart 4097 avgt 20 26.080 ± 0.047 61.771 ± 0.150 ns/op
mismatchStart 8191 avgt 20 25.723 ± 0.041 62.386 ± 0.084 ns/op
mismatchStart 8192 avgt 20 25.726 ± 0.067 54.094 ± 0.098 ns/op
mismatchStart 8193 avgt 20 25.698 ± 0.039 61.815 ± 0.053 ns/op
-----------------------------------------------------------------------
[-UseVMI] [+UseVMI]
Benchmark (size) Mode Cnt Score Error Score Error Units
mismatchMid 7 avgt 20 27.377 ± 0.018 27.355 ± 0.046 ns/op
mismatchMid 8 avgt 20 26.524 ± 0.159 54.192 ± 0.073 ns/op
mismatchMid 9 avgt 20 26.469 ± 0.065 55.944 ± 6.784 ns/op
mismatchMid 15 avgt 20 26.619 ± 0.053 70.057 ± 0.159 ns/op
mismatchMid 16 avgt 20 27.892 ± 0.064 54.293 ± 0.200 ns/op
mismatchMid 17 avgt 20 27.366 ± 0.072 70.147 ± 0.198 ns/op
mismatchMid 31 avgt 20 28.416 ± 0.126 67.369 ± 0.131 ns/op
mismatchMid 32 avgt 20 27.913 ± 0.068 67.422 ± 0.191 ns/op
mismatchMid 33 avgt 20 27.858 ± 0.046 54.154 ± 0.181 ns/op
mismatchMid 63 avgt 20 31.170 ± 0.060 54.177 ± 0.168 ns/op
mismatchMid 64 avgt 20 31.167 ± 0.085 54.205 ± 0.160 ns/op
mismatchMid 65 avgt 20 31.006 ± 0.132 65.233 ± 0.142 ns/op
mismatchMid 128 avgt 20 34.483 ± 0.086 56.083 ± 7.124 ns/op
mismatchMid 129 avgt 20 34.550 ± 0.183 63.129 ± 0.312 ns/op
mismatchMid 256 avgt 20 43.425 ± 0.058 74.976 ± 0.126 ns/op
mismatchMid 257 avgt 20 43.532 ± 0.069 75.511 ± 0.137 ns/op
mismatchMid 512 avgt 20 87.619 ± 0.109 72.178 ± 0.153 ns/op
mismatchMid 513 avgt 20 87.569 ± 0.102 108.922 ± 0.244 ns/op
mismatchMid 1024 avgt 20 103.914 ± 0.150 132.788 ± 0.165 ns/op
mismatchMid 1025 avgt 20 103.868 ± 0.205 133.023 ± 0.124 ns/op
mismatchMid 2048 avgt 20 179.546 ± 0.198 129.567 ± 0.129 ns/op
mismatchMid 2049 avgt 20 177.637 ± 0.316 174.123 ± 0.115 ns/op
mismatchMid 4096 avgt 20 325.257 ± 0.406 225.116 ± 1.898 ns/op
mismatchMid 4097 avgt 20 323.888 ± 1.284 223.202 ± 1.630 ns/op
mismatchMid 8191 avgt 20 605.531 ± 0.631 349.250 ± 0.769 ns/op
mismatchMid 8192 avgt 20 605.379 ± 0.771 686.644 ± 2.755 ns/op
mismatchMid 8193 avgt 20 599.691 ± 0.801 686.875 ± 0.736 ns/op
---------------------------------------------------------------------------
[-UseVMI] [+UseVMI]
Benchmark (size) Mode Cnt Score Error Score Error Units
mismatchEnd 7 avgt 20 26.817 ± 0.040 26.808 ± 0.038 ns/op
mismatchEnd 8 avgt 20 26.059 ± 0.063 66.319 ± 0.161 ns/op
mismatchEnd 9 avgt 20 26.454 ± 0.035 70.107 ± 0.174 ns/op
mismatchEnd 15 avgt 20 42.827 ± 0.158 54.243 ± 0.138 ns/op
mismatchEnd 16 avgt 20 27.915 ± 0.070 69.997 ± 0.145 ns/op
mismatchEnd 17 avgt 20 27.918 ± 0.049 66.225 ± 0.302 ns/op
mismatchEnd 31 avgt 20 31.742 ± 0.076 67.339 ± 0.215 ns/op
mismatchEnd 32 avgt 20 31.699 ± 0.065 54.122 ± 0.059 ns/op
mismatchEnd 33 avgt 20 31.472 ± 0.078 63.532 ± 0.234 ns/op
mismatchEnd 63 avgt 20 36.950 ± 0.063 65.204 ± 0.254 ns/op
mismatchEnd 64 avgt 20 36.172 ± 0.149 65.120 ± 0.189 ns/op
mismatchEnd 65 avgt 20 36.681 ± 0.124 61.858 ± 0.164 ns/op
mismatchEnd 128 avgt 20 47.459 ± 0.161 54.162 ± 0.141 ns/op
mismatchEnd 129 avgt 20 45.173 ± 0.079 62.455 ± 0.182 ns/op
mismatchEnd 256 avgt 20 84.839 ± 0.137 92.530 ± 0.155 ns/op
mismatchEnd 257 avgt 20 82.749 ± 0.149 81.377 ± 0.267 ns/op
mismatchEnd 512 avgt 20 109.664 ± 2.308 114.271 ± 0.143 ns/op
mismatchEnd 513 avgt 20 115.172 ± 0.264 102.913 ± 0.155 ns/op
mismatchEnd 1024 avgt 20 185.254 ± 0.134 121.601 ± 0.185 ns/op
mismatchEnd 1025 avgt 20 184.594 ± 1.473 121.588 ± 0.357 ns/op
mismatchEnd 2048 avgt 20 330.985 ± 0.662 232.113 ± 0.453 ns/op
mismatchEnd 2049 avgt 20 330.994 ± 0.311 232.701 ± 0.488 ns/op
mismatchEnd 4096 avgt 20 607.884 ± 0.988 349.221 ± 0.947 ns/op
mismatchEnd 4097 avgt 20 608.472 ± 0.844 537.718 ± 7.562 ns/op
mismatchEnd 8191 avgt 20 1172.123 ± 1.283 1329.150 ± 3.545 ns/op
mismatchEnd 8192 avgt 20 1176.383 ± 2.170 644.301 ± 12.636 ns/op
mismatchEnd 8193 avgt 20 1179.004 ± 12.464 937.827 ± 1.341 ns/op
ArraysMismatch.Short
-----------------------------------------------------------------------
[-UseVMI] [+UseVMI]
Benchmark (size) Mode Cnt Score Error Score Error Units
mismatchStart 7 avgt 20 26.504 ± 0.128 68.446 ± 0.125 ns/op
mismatchStart 8 avgt 20 26.463 ± 0.038 52.465 ± 0.092 ns/op
mismatchStart 9 avgt 20 26.459 ± 0.043 64.816 ± 0.301 ns/op
mismatchStart 15 avgt 20 26.488 ± 0.029 65.821 ± 0.166 ns/op
mismatchStart 16 avgt 20 26.420 ± 0.048 53.618 ± 0.142 ns/op
mismatchStart 17 avgt 20 26.432 ± 0.032 62.225 ± 0.249 ns/op
mismatchStart 31 avgt 20 26.438 ± 0.062 63.451 ± 0.197 ns/op
mismatchStart 32 avgt 20 26.455 ± 0.064 63.458 ± 0.101 ns/op
mismatchStart 33 avgt 20 26.409 ± 0.042 60.147 ± 0.066 ns/op
mismatchStart 63 avgt 20 26.464 ± 0.064 60.733 ± 0.210 ns/op
mismatchStart 64 avgt 20 26.442 ± 0.092 60.720 ± 0.112 ns/op
mismatchStart 65 avgt 20 26.475 ± 0.052 61.258 ± 0.080 ns/op
mismatchStart 128 avgt 20 26.455 ± 0.035 52.719 ± 0.191 ns/op
mismatchStart 129 avgt 20 26.464 ± 0.065 60.199 ± 0.147 ns/op
mismatchStart 256 avgt 20 26.437 ± 0.072 60.848 ± 0.237 ns/op
mismatchStart 257 avgt 20 26.428 ± 0.031 60.182 ± 0.110 ns/op
mismatchStart 512 avgt 20 26.438 ± 0.037 60.843 ± 0.134 ns/op
mismatchStart 513 avgt 20 26.426 ± 0.027 60.225 ± 0.203 ns/op
mismatchStart 1024 avgt 20 26.433 ± 0.066 60.811 ± 0.041 ns/op
mismatchStart 1025 avgt 20 26.419 ± 0.048 60.814 ± 0.160 ns/op
mismatchStart 2048 avgt 20 26.454 ± 0.073 60.764 ± 0.114 ns/op
mismatchStart 2049 avgt 20 26.450 ± 0.035 60.340 ± 0.162 ns/op
mismatchStart 4096 avgt 20 26.437 ± 0.035 61.017 ± 0.189 ns/op
mismatchStart 4097 avgt 20 26.439 ± 0.040 60.326 ± 0.140 ns/op
mismatchStart 8191 avgt 20 26.449 ± 0.077 52.491 ± 0.050 ns/op
mismatchStart 8192 avgt 20 26.419 ± 0.027 61.850 ± 0.072 ns/op
mismatchStart 8193 avgt 20 26.413 ± 0.034 62.363 ± 0.207 ns/op
---------------------------------------------------------------------------
[-UseVMI] [+UseVMI]
Benchmark (size) Mode Cnt Score Error Score Error Units
mismatchMid 7 avgt 20 26.508 ± 0.148 52.628 ± 0.117 ns/op
mismatchMid 8 avgt 20 27.388 ± 0.079 52.589 ± 0.050 ns/op
mismatchMid 9 avgt 20 27.353 ± 0.032 69.488 ± 0.182 ns/op
mismatchMid 15 avgt 20 27.905 ± 0.029 66.777 ± 0.183 ns/op
mismatchMid 16 avgt 20 28.019 ± 0.064 52.507 ± 0.091 ns/op
mismatchMid 17 avgt 20 28.020 ± 0.037 65.619 ± 0.154 ns/op
mismatchMid 31 avgt 20 30.644 ± 0.108 52.707 ± 0.204 ns/op
mismatchMid 32 avgt 20 30.859 ± 0.058 63.543 ± 0.205 ns/op
mismatchMid 33 avgt 20 30.917 ± 0.049 53.594 ± 0.093 ns/op
mismatchMid 63 avgt 20 34.269 ± 0.132 52.720 ± 0.180 ns/op
mismatchMid 64 avgt 20 34.455 ± 0.048 52.560 ± 0.153 ns/op
mismatchMid 65 avgt 20 34.484 ± 0.090 52.617 ± 0.281 ns/op
mismatchMid 128 avgt 20 42.681 ± 0.063 61.842 ± 0.170 ns/op
mismatchMid 129 avgt 20 43.251 ± 0.052 61.872 ± 0.139 ns/op
mismatchMid 256 avgt 20 79.509 ± 0.335 92.928 ± 0.254 ns/op
mismatchMid 257 avgt 20 79.866 ± 0.181 92.983 ± 0.143 ns/op
mismatchMid 512 avgt 20 105.535 ± 0.192 131.530 ± 0.439 ns/op
mismatchMid 513 avgt 20 105.529 ± 0.187 89.155 ± 0.191 ns/op
mismatchMid 1024 avgt 20 174.790 ± 0.508 206.822 ± 0.319 ns/op
mismatchMid 1025 avgt 20 177.107 ± 0.214 171.583 ± 0.316 ns/op
mismatchMid 2048 avgt 20 323.895 ± 0.532 222.394 ± 1.406 ns/op
mismatchMid 2049 avgt 20 322.641 ± 0.494 390.688 ± 1.218 ns/op
mismatchMid 4096 avgt 20 604.134 ± 1.767 356.821 ± 0.560 ns/op
mismatchMid 4097 avgt 20 600.134 ± 0.452 356.340 ± 1.026 ns/op
mismatchMid 8191 avgt 20 1300.201 ± 21.257 734.397 ± 24.208 ns/op
mismatchMid 8192 avgt 20 1296.464 ± 15.849 771.202 ± 25.394 ns/op
mismatchMid 8193 avgt 20 1243.546 ± 25.099 1500.175 ± 25.342 ns/op
--------------------------------------------------------------------------
[-UseVMI] [+UseVMI]
Benchmark (size) Mode Cnt Score Error Score Error Units
mismatchEnd 7 avgt 20 26.491 ± 0.100 53.638 ± 0.117 ns/op
mismatchEnd 8 avgt 20 26.411 ± 0.102 68.876 ± 0.182 ns/op
mismatchEnd 9 avgt 20 27.324 ± 0.048 64.359 ± 0.185 ns/op
mismatchEnd 15 avgt 20 28.621 ± 0.040 66.827 ± 0.226 ns/op
mismatchEnd 16 avgt 20 28.433 ± 0.062 52.708 ± 0.153 ns/op
mismatchEnd 17 avgt 20 31.589 ± 0.048 61.956 ± 0.218 ns/op
mismatchEnd 31 avgt 20 35.283 ± 0.099 52.598 ± 0.215 ns/op
mismatchEnd 32 avgt 20 34.474 ± 0.046 53.540 ± 0.079 ns/op
mismatchEnd 33 avgt 20 36.643 ± 0.032 60.249 ± 0.119 ns/op
mismatchEnd 63 avgt 20 42.715 ± 0.062 52.613 ± 0.170 ns/op
mismatchEnd 64 avgt 20 43.235 ± 0.097 60.763 ± 0.077 ns/op
mismatchEnd 65 avgt 20 44.814 ± 0.052 60.245 ± 0.167 ns/op
mismatchEnd 128 avgt 20 83.400 ± 0.255 62.436 ± 0.145 ns/op
mismatchEnd 129 avgt 20 82.695 ± 0.310 79.398 ± 0.159 ns/op
mismatchEnd 256 avgt 20 109.686 ± 0.701 79.760 ± 0.215 ns/op
mismatchEnd 257 avgt 20 106.839 ± 0.214 102.398 ± 0.226 ns/op
mismatchEnd 512 avgt 20 179.041 ± 0.315 194.417 ± 0.306 ns/op
mismatchEnd 513 avgt 20 196.063 ± 1.059 120.285 ± 0.205 ns/op
mismatchEnd 1024 avgt 20 325.552 ± 0.308 228.808 ± 1.533 ns/op
mismatchEnd 1025 avgt 20 338.941 ± 1.940 231.754 ± 0.625 ns/op
mismatchEnd 2048 avgt 20 606.574 ± 0.708 665.116 ± 1.584 ns/op
mismatchEnd 2049 avgt 20 627.944 ± 1.076 499.117 ± 0.689 ns/op
mismatchEnd 4096 avgt 20 1168.854 ± 1.897 646.402 ± 1.469 ns/op
mismatchEnd 4097 avgt 20 1193.711 ± 1.462 946.456 ± 13.655 ns/op
mismatchEnd 8191 avgt 20 2346.392 ± 7.793 1257.871 ± 14.715 ns/op
mismatchEnd 8192 avgt 20 2328.621 ± 5.346 2524.486 ± 6.931 ns/op
mismatchEnd 8193 avgt 20 2332.721 ± 2.013 1832.337 ± 2.021 ns/op
ArraysMismatch.Int
------------------------------------------------------------------------
[-UseVMI] [+UseVMI]
Benchmark (size) Mode Cnt Score Error Score Error Units
mismatchStart 7 avgt 20 27.098 ± 0.067 65.827 ± 0.314 ns/op
mismatchStart 8 avgt 20 27.098 ± 0.050 65.906 ± 0.184 ns/op
mismatchStart 9 avgt 20 27.064 ± 0.034 63.019 ± 0.123 ns/op
mismatchStart 15 avgt 20 27.088 ± 0.063 63.511 ± 0.169 ns/op
mismatchStart 16 avgt 20 27.097 ± 0.092 63.487 ± 0.084 ns/op
mismatchStart 17 avgt 20 27.112 ± 0.084 60.558 ± 0.248 ns/op
mismatchStart 31 avgt 20 27.108 ± 0.110 52.560 ± 0.104 ns/op
mismatchStart 32 avgt 20 27.045 ± 0.036 52.605 ± 0.110 ns/op
mismatchStart 33 avgt 20 27.089 ± 0.067 60.276 ± 0.184 ns/op
mismatchStart 63 avgt 20 27.074 ± 0.039 60.751 ± 0.144 ns/op
mismatchStart 64 avgt 20 27.088 ± 0.031 52.554 ± 0.199 ns/op
mismatchStart 65 avgt 20 27.063 ± 0.040 60.276 ± 0.121 ns/op
mismatchStart 128 avgt 20 27.082 ± 0.054 52.647 ± 0.105 ns/op
mismatchStart 129 avgt 20 27.068 ± 0.053 60.150 ± 0.125 ns/op
mismatchStart 256 avgt 20 27.118 ± 0.147 52.579 ± 0.148 ns/op
mismatchStart 257 avgt 20 27.041 ± 0.037 60.312 ± 0.183 ns/op
mismatchStart 512 avgt 20 27.095 ± 0.054 60.761 ± 0.114 ns/op
mismatchStart 513 avgt 20 27.075 ± 0.040 52.474 ± 0.054 ns/op
mismatchStart 1024 avgt 20 27.112 ± 0.058 52.513 ± 0.086 ns/op
mismatchStart 1025 avgt 20 27.078 ± 0.031 60.225 ± 0.131 ns/op
mismatchStart 2048 avgt 20 26.817 ± 0.026 60.924 ± 0.155 ns/op
mismatchStart 2049 avgt 20 26.809 ± 0.034 60.163 ± 0.071 ns/op
mismatchStart 4096 avgt 20 26.823 ± 0.064 52.599 ± 0.078 ns/op
mismatchStart 4097 avgt 20 26.830 ± 0.076 60.231 ± 0.129 ns/op
mismatchStart 8191 avgt 20 26.801 ± 0.022 60.773 ± 0.093 ns/op
mismatchStart 8192 avgt 20 26.793 ± 0.039 66.196 ± 15.138 ns/op
mismatchStart 8193 avgt 20 26.833 ± 0.050 63.198 ± 11.830 ns/op
---------------------------------------------------------------------------
[-UseVMI] [+UseVMI]
Benchmark (size) Mode Cnt Score Error Score Error Units
mismatchMid 7 avgt 20 27.266 ± 0.060 52.904 ± 0.168 ns/op
mismatchMid 8 avgt 20 28.185 ± 0.042 52.768 ± 0.205 ns/op
mismatchMid 9 avgt 20 28.195 ± 0.061 52.631 ± 0.118 ns/op
mismatchMid 15 avgt 20 29.593 ± 0.045 52.625 ± 0.243 ns/op
mismatchMid 16 avgt 20 29.554 ± 0.062 63.470 ± 0.186 ns/op
mismatchMid 17 avgt 20 29.514 ± 0.041 63.535 ± 0.209 ns/op
mismatchMid 31 avgt 20 34.121 ± 0.106 60.886 ± 0.309 ns/op
mismatchMid 32 avgt 20 34.509 ± 0.070 52.593 ± 0.088 ns/op
mismatchMid 33 avgt 20 34.472 ± 0.041 52.572 ± 0.229 ns/op
mismatchMid 63 avgt 20 43.197 ± 0.186 60.785 ± 0.200 ns/op
mismatchMid 64 avgt 20 43.232 ± 0.085 73.379 ± 0.146 ns/op
mismatchMid 65 avgt 20 43.199 ± 0.050 73.268 ± 0.173 ns/op
mismatchMid 128 avgt 20 79.260 ± 0.182 92.517 ± 0.149 ns/op
mismatchMid 129 avgt 20 79.405 ± 0.067 75.556 ± 0.115 ns/op
mismatchMid 256 avgt 20 105.472 ± 0.223 131.389 ± 0.265 ns/op
mismatchMid 257 avgt 20 105.502 ± 0.148 88.643 ± 0.155 ns/op
mismatchMid 512 avgt 20 178.320 ± 0.222 128.123 ± 0.185 ns/op
mismatchMid 513 avgt 20 174.414 ± 0.256 178.487 ± 0.197 ns/op
mismatchMid 1024 avgt 20 324.065 ± 0.487 432.474 ± 1.475 ns/op
mismatchMid 1025 avgt 20 319.162 ± 0.443 218.608 ± 1.571 ns/op
mismatchMid 2048 avgt 20 604.794 ± 1.826 688.263 ± 0.417 ns/op
mismatchMid 2049 avgt 20 598.749 ± 0.525 690.281 ± 2.480 ns/op
mismatchMid 4096 avgt 20 1303.515 ± 19.864 1396.482 ± 24.848 ns/op
mismatchMid 4097 avgt 20 1236.637 ± 17.324 1450.771 ± 25.739 ns/op
mismatchMid 8191 avgt 20 2567.522 ± 19.046 1452.557 ± 26.459 ns/op
mismatchMid 8192 avgt 20 2556.190 ± 15.588 1475.063 ± 27.504 ns/op
mismatchMid 8193 avgt 20 2668.605 ± 23.387 1421.295 ± 17.188 ns/op
---------------------------------------------------------------------------
[-UseVMI] [+UseVMI]
Benchmark (size) Mode Cnt Score Error Score Error Units
mismatchEnd 7 avgt 20 27.094 ± 0.057 52.601 ± 0.150 ns/op
mismatchEnd 8 avgt 20 27.150 ± 0.045 65.669 ± 0.095 ns/op
mismatchEnd 9 avgt 20 28.051 ± 0.104 63.044 ± 0.136 ns/op
mismatchEnd 15 avgt 20 31.719 ± 0.051 52.593 ± 0.146 ns/op
mismatchEnd 16 avgt 20 32.267 ± 0.051 52.622 ± 0.120 ns/op
mismatchEnd 17 avgt 20 33.920 ± 0.019 60.419 ± 0.207 ns/op
mismatchEnd 31 avgt 20 40.028 ± 0.168 60.743 ± 0.112 ns/op
mismatchEnd 32 avgt 20 41.077 ± 0.075 52.575 ± 0.129 ns/op
mismatchEnd 33 avgt 20 42.113 ± 0.076 61.258 ± 0.052 ns/op
mismatchEnd 63 avgt 20 77.585 ± 0.128 89.401 ± 0.126 ns/op
mismatchEnd 64 avgt 20 77.721 ± 0.089 86.435 ± 0.231 ns/op
mismatchEnd 65 avgt 20 80.621 ± 0.315 77.725 ± 0.150 ns/op
mismatchEnd 128 avgt 20 102.283 ± 0.274 79.531 ± 0.230 ns/op
mismatchEnd 129 avgt 20 104.539 ± 0.262 101.622 ± 0.222 ns/op
mismatchEnd 256 avgt 20 182.748 ± 2.517 120.635 ± 0.456 ns/op
mismatchEnd 257 avgt 20 178.289 ± 0.478 115.772 ± 0.256 ns/op
mismatchEnd 512 avgt 20 318.475 ± 0.442 227.350 ± 0.531 ns/op
mismatchEnd 513 avgt 20 325.110 ± 1.248 378.399 ± 0.961 ns/op
mismatchEnd 1024 avgt 20 609.902 ± 2.539 665.156 ± 2.408 ns/op
mismatchEnd 1025 avgt 20 607.581 ± 1.160 498.861 ± 0.685 ns/op
mismatchEnd 2048 avgt 20 1175.314 ± 3.483 1285.923 ± 1.967 ns/op
mismatchEnd 2049 avgt 20 1175.812 ± 2.733 941.132 ± 0.955 ns/op
mismatchEnd 4096 avgt 20 2317.976 ± 7.545 2618.651 ± 25.386 ns/op
mismatchEnd 4097 avgt 20 2403.044 ± 10.723 1843.361 ± 20.513 ns/op
mismatchEnd 8191 avgt 20 5304.666 ± 24.810 3067.622 ± 9.863 ns/op
mismatchEnd 8192 avgt 20 5343.027 ± 15.349 3039.747 ± 26.420 ns/op
mismatchEnd 8193 avgt 20 5308.661 ± 28.187 4410.391 ± 69.160 ns/op
-------------
PR Comment: https://git.openjdk.org/jdk/pull/17750#issuecomment-1932197818
PR Comment: https://git.openjdk.org/jdk/pull/17750#issuecomment-1932198358
PR Comment: https://git.openjdk.org/jdk/pull/17750#issuecomment-1932199716
PR Comment: https://git.openjdk.org/jdk/pull/17750#issuecomment-1932201386
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