8341003: [lworld+fp16] Benchmarks for various Float16 operations

[jatin-bhateja]

• Adding micro-benchmarks for various Float16 operations.
• Adding similarity search targeting micro-benchmarks.

Please find below the results of performance testing over Intel Xeon6 Granite Rapids:-

Benchmark                                               (vectorDim)   Mode  Cnt      Score   Error   Units
Float16OpsBenchmark.absBenchmark                               1024  thrpt    2  25605.990          ops/ms
Float16OpsBenchmark.addBenchmark                               1024  thrpt    2  19222.468          ops/ms
Float16OpsBenchmark.cosineSimilarityDequantizedFP16            1024  thrpt    2    528.738          ops/ms
Float16OpsBenchmark.cosineSimilarityDoubleRoundingFP16         1024  thrpt    2    660.018          ops/ms
Float16OpsBenchmark.cosineSimilaritySingleRoundingFP16         1024  thrpt    2    659.799          ops/ms
Float16OpsBenchmark.divBenchmark                               1024  thrpt    2   1974.039          ops/ms
Float16OpsBenchmark.euclideanDistanceDequantizedFP16           1024  thrpt    2    743.071          ops/ms
Float16OpsBenchmark.euclideanDistanceFP16                      1024  thrpt    2    682.440          ops/ms
Float16OpsBenchmark.fmaBenchmark                               1024  thrpt    2  14052.422          ops/ms
Float16OpsBenchmark.isFiniteBenchmark                          1024  thrpt    2   3851.234          ops/ms
Float16OpsBenchmark.isInfiniteBenchmark                        1024  thrpt    2   1496.207          ops/ms
Float16OpsBenchmark.isNaNBenchmark                             1024  thrpt    2   2778.822          ops/ms
Float16OpsBenchmark.maxBenchmark                               1024  thrpt    2  19231.326          ops/ms
Float16OpsBenchmark.minBenchmark                               1024  thrpt    2  19257.589          ops/ms
Float16OpsBenchmark.mulBenchmark                               1024  thrpt    2  19236.498          ops/ms
Float16OpsBenchmark.negateBenchmark                            1024  thrpt    2  25938.789          ops/ms
Float16OpsBenchmark.sqrtBenchmark                              1024  thrpt    2   1759.051          ops/ms
Float16OpsBenchmark.subBenchmark                               1024  thrpt    2  19242.967          ops/ms

Best Regrads, Jatin

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Progress

• [x] Change must not contain extraneous whitespace

Issue

• JDK-8341003: [lworld+fp16] Benchmarks for various Float16 operations (Enhancement - P4)

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