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154 Commits

Author SHA1 Message Date
Jasmine Karthikeyan
074044c2f3 8342095: Add autovectorizer support for subword vector casts 
Reviewed-by: epeter, qamai
 2026-02-26 05:15:30 +00:00
Emanuel Peter
06d1345f29 8373026: C2 SuperWord and Vector API: vector algorithms test and benchmark 
Co-authored-by: Otmar Ertl <otmar.ertl@dynatrace.com>
Reviewed-by: vlivanov, jbhateja, psandoz, xgong
 2026-01-29 08:39:10 +00:00
Sergey Bylokhov
c6246d58f7 8374383: Update the copyright year to 2025 in the remaining files under test/ where it was missed 
Reviewed-by: jpai
 2025-12-31 10:04:45 +00:00
Sergey Bylokhov
5c694eab0f 8374363: Update copyright year to 2025 for test/micro in files where it was missed 
Reviewed-by: phh
 2025-12-27 04:45:56 +00:00
Emanuel Peter
650de99fc6 8367158: C2: create better fill and copy benchmarks, taking alignment into account 
Reviewed-by: qamai, kvn
 2025-12-12 07:17:17 +00:00
Qizheng Xing
b83bf0717e 8360192: C2: Make the type of count leading/trailing zero nodes more precise 
Reviewed-by: qamai, epeter, jbhateja
 2025-12-08 13:16:39 +00:00
Jonas Norlinder
858d2e434d 8372584: [Linux]: Replace reading proc to get thread user CPU time with clock_gettime 
Reviewed-by: dholmes, kevinw, redestad
 2025-12-03 09:35:59 +00:00
Emanuel Peter
72989e0fac 8340093: C2 SuperWord: implement cost model 
Reviewed-by: kvn, qamai
 2025-11-10 15:56:49 +00:00
Jasmine Karthikeyan
f77a5117db 8350468: x86: Improve implementation of vectorized numberOfLeadingZeros for int and long 
Co-authored-by: Raffaello Giulietti <rgiulietti@openjdk.org>
Reviewed-by: sviswanathan, qamai, vlivanov
 2025-11-10 06:16:02 +00:00
Qizheng Xing
093e128771 8347499: C2: Make PhaseIdealLoop eliminate more redundant safepoints in loops 
Reviewed-by: epeter, roland
 2025-11-06 10:56:48 +00:00
Kangcheng Xu
f6d77cb332 8347555: [REDO] C2: implement optimization for series of Add of unique value 
Reviewed-by: roland, epeter
 2025-10-10 14:04:51 +00:00
Galder Zamarreño
8c4090c2cf 8329077: C2 SuperWord: Add MoveD2L, MoveL2D, MoveF2I, MoveI2F 
Reviewed-by: epeter, qamai
 2025-09-03 06:38:27 +00:00
Emanuel Peter
443b172638 8324751: C2 SuperWord: Aliasing Analysis runtime check 
Reviewed-by: kvn, mhaessig
 2025-08-28 05:53:23 +00:00
John Jiang
4c9eaddaef 8364597: Replace THL A29 Limited with Tencent 
Reviewed-by: jiefu
 2025-08-08 02:27:30 +00:00
Xiaohong Gong
ac141c2fa1 8359419: AArch64: Relax min vector length to 32-bit for short vectors 
Reviewed-by: aph, fgao, bkilambi, dlunden
 2025-07-22 09:06:02 +00:00
Aleksey Shipilev
a9bd1ad40c 8361520: Stabilize SystemGC benchmarks 
Reviewed-by: tschatzl, ayang
 2025-07-09 08:56:44 +00:00
Xiaohong Gong
7d6c902ce8 8357726: Improve C2 to recognize counted loops with multiple casts in trip counter 
Reviewed-by: chagedorn, epeter, galder
 2025-06-25 01:16:08 +00:00
Manuel Hässig
c7125aa2af 8020282: Generated code quality: redundant LEAs in the chained dereferences 
Co-authored-by: Roberto Castañeda Lozano <rcastanedalo@openjdk.org>
Reviewed-by: kvn, rcastanedalo
 2025-06-19 09:36:29 +00:00
Emanuel Peter
277bb208a2 8355094: Performance drop in auto-vectorized kernel due to split store 
Reviewed-by: vlivanov, thartmann
 2025-05-20 13:51:47 +00:00
Anjian-Wen
b76b610788 8356869: RISC-V: Improve tail handling of array fill stub 
Reviewed-by: fyang, fjiang, mli
 2025-05-14 08:28:11 +00:00
Eric Caspole
239760ac09 8355233: Add a DMB related benchmark 
Reviewed-by: kvn
 2025-04-22 19:59:41 +00:00
Marc Chevalier
97ed536125 8346989: C2: deoptimization and re-execution cycle with Math.*Exact in case of frequent overflow 
Reviewed-by: thartmann, vlivanov
 2025-04-07 05:21:44 +00:00
Evgeny Astigeevich
660b17a6b9 8350852: Implement JMH benchmark for sparse CodeCache 
Reviewed-by: kvn
 2025-04-06 17:38:28 +00:00
Eric Caspole
03ef79cf05 8346470: Improve WriteBarrier JMH to have old-to-young refs 
Reviewed-by: tschatzl
 2025-03-13 18:32:15 +00:00
Eric Caspole
76e0f30b15 8350460: org.openjdk.bench.vm.floatingpoint.DremFrem JMH fails with -ea 
Reviewed-by: liach, darcy
 2025-03-07 21:30:11 +00:00
Nicole Xu
3ebed78328 8349943: [JMH] Use jvmArgs consistently 
Reviewed-by: syan, redestad, haosun
 2025-02-20 01:33:58 +00:00
SendaoYan
2cce5eeb09 8349142: [JMH] compiler.MergeLoadBench.getCharBV fails 
Reviewed-by: liach
 2025-02-02 02:46:16 +00:00
Theo Weidmann
4662363e86 8348687: [BACKOUT] C2: Non-fluid StringBuilder pattern bails out in OptoStringConcat 
Reviewed-by: chagedorn, shade
 2025-01-29 16:57:00 +00:00
Theo Weidmann
6032f6ea04 8341696: C2: Non-fluid StringBuilder pattern bails out in OptoStringConcat 
Reviewed-by: epeter
 2025-01-23 08:41:02 +00:00
Shaojin Wen
b741f3fe5b 8343629: More MergeStore benchmark 
Reviewed-by: epeter
 2025-01-08 09:40:17 +00:00
Roberto Castañeda Lozano
edbd76c624 8344951: Stabilize write barrier micro-benchmarks 
Reviewed-by: kvn, tschatzl
 2024-12-18 07:50:37 +00:00
Magnus Ihse Bursie
ddf0461788 8345799: Update copyright year to 2024 for core-libs in files where it was missed 
Reviewed-by: joehw, jlu, mli, lancea, kevinw
 2024-12-11 21:08:22 +00:00
Magnus Ihse Bursie
2979806c72 8345795: Update copyright year to 2024 for hotspot in files where it was missed 
Reviewed-by: dholmes, tschatzl, dnsimon, sspitsyn
 2024-12-10 08:47:46 +00:00
Eric Caspole
35c00532a1 8345405: Add JMH showing the regression in 8341649 
Reviewed-by: redestad, coleenp
 2024-12-09 14:59:05 +00:00
Emanuel Peter
b3986bdbdb 8344118: C2 SuperWord: add VectorThroughputForIterationCount benchmark 
Reviewed-by: kvn, jbhateja, chagedorn
 2024-11-27 09:15:57 +00:00
Andrew Haley
64e4aa21a4 8339916: AIOOBE due to Math.abs(Integer.MIN_VALUE) in tests 
Reviewed-by: shade
 2024-11-22 12:09:30 +00:00
Emanuel Peter
75420e9314 8334431: C2 SuperWord: fix performance regression due to store-to-load-forwarding failures 
Reviewed-by: chagedorn, qamai
 2024-11-20 14:23:57 +00:00
Andrew Haley
78b378ad03 8342540: InterfaceCalls micro-benchmark gives misleading results 
Reviewed-by: shade, kvn
 2024-11-06 17:52:07 +00:00
Emanuel Peter
f3671beefb 8335392: C2 MergeStores: enhanced pointer parsing 
Co-authored-by: Christian Hagedorn <chagedorn@openjdk.org>
Reviewed-by: kvn, chagedorn
 2024-11-05 11:46:40 +00:00
Claes Redestad
90bd544512 8342958: Use jvmArgs consistently in microbenchmarks 
Reviewed-by: ecaspole, jvernee
 2024-10-28 22:40:25 +00:00
Fredrik Bredberg
180affc571 8320318: ObjectMonitor Responsible thread 
Reviewed-by: aboldtch, coleenp, pchilanomate, eosterlund
 2024-09-30 12:28:35 +00:00
Emanuel Peter
aeba1ea7c4 8340272: C2 SuperWord: JMH benchmark for Reduction vectorization 
Reviewed-by: kvn, jkarthikeyan
 2024-09-18 12:03:00 +00:00
Jasmine Karthikeyan
92431049fd 8335444: Generalize implementation of AndNode mul_ring 
Reviewed-by: chagedorn, qamai, dfenacci
 2024-09-10 16:52:59 +00:00
Jasmine Karthikeyan
6f8714ee19 8336860: x86: Change integer src operand for CMoveL of 0 and 1 to long 
Reviewed-by: epeter, chagedorn, shade, qamai, jbhateja
 2024-09-04 13:44:24 +00:00
Axel Boldt-Christmas
bd4160cea8 8315884: New Object to ObjectMonitor mapping 
Co-authored-by: Erik Österlund <eosterlund@openjdk.org>
Co-authored-by: Stefan Karlsson <stefank@openjdk.org>
Co-authored-by: Coleen Phillimore <coleenp@openjdk.org>
Reviewed-by: rkennke, coleenp, dcubed
 2024-08-16 06:20:17 +00:00
Shaojin Wen
8081f8702a 8334342: Add MergeStore JMH benchmarks 
Reviewed-by: epeter, thartmann
 2024-07-25 09:16:32 +00:00
Emanuel Peter
8374d16504 8335006: C2 SuperWord: add JMH benchmark VectorLoadToStoreForwarding.java 
Reviewed-by: shade, kvn, sviswanathan
 2024-06-26 14:12:44 +00:00
Quan Anh Mai
933eababf2 8334629: [BACKOUT] PhaseIdealLoop::conditional_move is too conservative 
Reviewed-by: epeter, thartmann, jkarthikeyan
 2024-06-25 17:10:20 +00:00
Amit Kumar
5a8a9fdfa5 8333382: [s390x] Enhance popcnt Instruction to use Z15 facilities 
Reviewed-by: lucy, aph
 2024-06-12 13:24:58 +00:00
Kuai Wei
2a242db01e 8325821: [REDO] use "dmb.ishst+dmb.ishld" for release barrier 
Reviewed-by: shade, aph
 2024-06-10 12:57:03 +00:00