[GitHub] [lucene] mikemccand commented on pull request #12311: Integrate the Incubating Panama Vector API

["mikemccand (via GitHub)" <gi...@apache.org>]

mikemccand commented on PR #12311:
URL: https://github.com/apache/lucene/pull/12311#issuecomment-1559159143

   I ran this on the `luceneutil` nightly benchmark box (`beast3`):
   
   This is an AMD Ryzen Threadripper 3990X 64-Core Processor, with this long list of CPU flags AND bugs:
   
   ```
   flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf rapl pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate ssbd mba ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr rdpru wbnoinvd amd_ppin arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif v_spec_ctrl umip rdpid overflow_recov succor smca sev sev_es
   bugs            : sysret_ss_attrs spectre_v1 spectre_v2 spec_store_bypass retbleed smt_rsb
   ```
   
   ```
   # Run complete. Total time: 00:04:50
   
   Benchmark                                (size)   Mode  Cnt   Score   Error   Units
   BinaryCosineBenchmark.cosineDistanceNew    1024  thrpt    5   5.286 ± 0.005  ops/us
   BinaryCosineBenchmark.cosineDistanceOld    1024  thrpt    5   0.691 ± 0.021  ops/us
   BinaryDotProductBenchmark.dotProductNew    1024  thrpt    5  13.896 ± 0.009  ops/us
   BinaryDotProductBenchmark.dotProductOld    1024  thrpt    5   1.980 ± 0.027  ops/us
   BinarySquareBenchmark.squareDistanceNew    1024  thrpt    5  11.880 ± 0.011  ops/us
   BinarySquareBenchmark.squareDistanceOld    1024  thrpt    5   1.724 ± 0.018  ops/us
   FloatCosineBenchmark.cosineNew             1024  thrpt    5  12.201 ± 0.260  ops/us
   FloatCosineBenchmark.cosineOld             1024  thrpt    5   1.163 ± 0.015  ops/us
   FloatDotProductBenchmark.dotProductNew     1024  thrpt    5  17.963 ± 0.111  ops/us
   FloatDotProductBenchmark.dotProductOld     1024  thrpt    5   3.775 ± 0.347  ops/us
   FloatSquareBenchmark.squareNew             1024  thrpt    5  15.641 ± 0.092  ops/us
   FloatSquareBenchmark.squareOld             1024  thrpt    5   2.684 ± 0.014  ops/us
   ```


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