Re: RFR: 8282221: x86 intrinsics for divideUnsigned and remainderUnsigned methods in java.lang.Integer and java.lang.Long [v9]
On Wed, 6 Apr 2022 06:02:07 GMT, Vamsi Parasa wrote: >> Optimizes the divideUnsigned() and remainderUnsigned() methods in >> java.lang.Integer and java.lang.Long classes using x86 intrinsics. This >> change shows 3x improvement for Integer methods and upto 25% improvement for >> Long. This change also implements the DivMod optimization which fuses >> division and modulus operations if needed. The DivMod optimization shows 3x >> improvement for Integer and ~65% improvement for Long. > > Vamsi Parasa has updated the pull request with a new target base due to a > merge or a rebase. The pull request now contains 13 commits: > > - Merge branch 'openjdk:master' into udivmod > - add error msg for jtreg test > - update jtreg test to run on x86_64 > - add bmi1 support check and jtreg tests > - Merge branch 'master' of https://git.openjdk.java.net/jdk into udivmod > - fix 32bit build issues > - Fix line at end of file > - Move intrinsic code to macro assembly routines; remove unused > transformations for div and mod nodes > - fix trailing white space errors > - fix whitespaces > - ... and 3 more: > https://git.openjdk.java.net/jdk/compare/741be461...acba7c19 Marked as reviewed by jbhateja (Committer). - PR: https://git.openjdk.java.net/jdk/pull/7572
Re: RFR: 8282221: x86 intrinsics for divideUnsigned and remainderUnsigned methods in java.lang.Integer and java.lang.Long [v9]
> Optimizes the divideUnsigned() and remainderUnsigned() methods in > java.lang.Integer and java.lang.Long classes using x86 intrinsics. This > change shows 3x improvement for Integer methods and upto 25% improvement for > Long. This change also implements the DivMod optimization which fuses > division and modulus operations if needed. The DivMod optimization shows 3x > improvement for Integer and ~65% improvement for Long. Vamsi Parasa has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 13 commits: - Merge branch 'openjdk:master' into udivmod - add error msg for jtreg test - update jtreg test to run on x86_64 - add bmi1 support check and jtreg tests - Merge branch 'master' of https://git.openjdk.java.net/jdk into udivmod - fix 32bit build issues - Fix line at end of file - Move intrinsic code to macro assembly routines; remove unused transformations for div and mod nodes - fix trailing white space errors - fix whitespaces - ... and 3 more: https://git.openjdk.java.net/jdk/compare/741be461...acba7c19 - Changes: https://git.openjdk.java.net/jdk/pull/7572/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk=7572=08 Stats: 1007 lines in 20 files changed: 1005 ins; 1 del; 1 mod Patch: https://git.openjdk.java.net/jdk/pull/7572.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/7572/head:pull/7572 PR: https://git.openjdk.java.net/jdk/pull/7572
