> Summary of changes: > - Intrinsify Math.round(float) and Math.round(double) APIs. > - Extend auto-vectorizer to infer vector operations on encountering scalar IR > nodes for above intrinsics. > - Test creation using new IR testing framework. > > Following are the performance number of a JMH micro included with the patch > > Test System: Intel(R) Xeon(R) Platinum 8380 CPU @ 2.30GHz (Icelake Server) > > > TESTSIZE | Baseline AVX3 (ops/ms) | Withopt AVX3 (ops/ms) | Gain ratio | > Baseline AVX2 (ops/ms) | Withopt AVX2 (ops/ms) | Gain ratio > -- | -- | -- | -- | -- | -- | -- > 1024.00 | 510.41 | 1811.66 | 3.55 | 510.40 | 502.65 | 0.98 > 2048.00 | 293.52 | 984.37 | 3.35 | 304.96 | 177.88 | 0.58 > 1024.00 | 825.94 | 3387.64 | 4.10 | 750.77 | 1925.15 | 2.56 > 2048.00 | 411.91 | 1942.87 | 4.72 | 412.22 | 1034.13 | 2.51 > > > Kindly review and share your feedback. > > Best Regards, > Jatin
Jatin Bhateja has updated the pull request incrementally with one additional commit since the last revision: 8279508: Review comments resolved. ------------- Changes: - all: https://git.openjdk.java.net/jdk/pull/7094/files - new: https://git.openjdk.java.net/jdk/pull/7094/files/6c869c76..f7dec3d9 Webrevs: - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=7094&range=07 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=7094&range=06-07 Stats: 35 lines in 5 files changed: 8 ins; 22 del; 5 mod Patch: https://git.openjdk.java.net/jdk/pull/7094.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/7094/head:pull/7094 PR: https://git.openjdk.java.net/jdk/pull/7094
