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Diffstat (limited to 'notify/mail-body.txt')
| -rw-r--r-- | notify/mail-body.txt | 46 |
1 files changed, 32 insertions, 14 deletions
diff --git a/notify/mail-body.txt b/notify/mail-body.txt index c27494d..66adb01 100644 --- a/notify/mail-body.txt +++ b/notify/mail-body.txt @@ -1,21 +1,24 @@ Dear contributor, our automatic CI has detected problems related to your patch(es). Please find some details below. If you have any questions, please follow up on linaro-toolchain@lists.linaro.org mailing list, Libera's #linaro-tcwg channel, or ping your favourite Linaro toolchain developer on the usual project channel. +We track this report status in https://linaro.atlassian.net/browse/LLVM-1027 , please let us know if you are looking at the problem and/or when you have a fix. + In CI config tcwg_bmk-code_speed-cpu2017rate/llvm-arm-master-O3 after: - | 31 commits in llvm - | a3cab1fa17eb [X86][MC] Support encoding/decoding for PUSHP/POPP (#73092) - | d76d8e541dab [AMDGPU][NFC] Update GISel memory-legalizer-atomic-fence test (#72829) - | 083a53971758 clang/CodeGen/RISCV: test lowering of math builtins (#71399) - | 49f55d107548 Revert "[Flang] Add partial support for lowering procedure pointer assignment. (#70461)" - | 7414c0db962f [LoongArch] Precommit a test for smul with overflow (NFC) (#73212) - | ... and 26 more commits in llvm + | commit llvmorg-18-init-12505-g147c5d6686b9 + | Author: Zhaoxuan Jiang <jiangzhaoxuan94@gmail.com> + | Date: Thu Nov 23 16:21:27 2023 +0800 + | + | [AArch64] Allow LDR merge with same destination register by renaming (#71908) + | + | The patch is based on a reverted patch: + | https://reviews.llvm.org/D103597. It was trying to rename registers + | before alias check, which is not safe and causes miscompiles. This patch + | does 2 things: + | + | ... 8 lines of the commit log omitted. -the following benchmarks slowed down by more than 3%: -- slowed down by 4% - 531.deepsjeng_r - from 10630 to 11005 perf samples
the following hot functions slowed down by more than 15% (but their benchmarks slowed down by less than 3%): -- slowed down by 50% - 538.imagick_r:libc.so.6 - from 2 to 3 perf samples
-- slowed down by 50% - 538.imagick_r:[.] _IO_fread - from 2 to 3 perf samples
-- slowed down by 100% - 544.nab_r:[.] __vfscanf_internal - from 1 to 2 perf samples
+- slowed down by 100% - 508.namd_r:libc.so.6 - from 1 to 2 perf samples
The configuration of this build is: Below reproducer instructions can be used to re-build both "first_bad" and "last_good" cross-toolchains used in this bisection. Naturally, the scripts will fail when triggerring benchmarking jobs if you don\'t have access to Linaro TCWG CI. @@ -33,6 +36,21 @@ This benchmarking CI is work-in-progress, and we welcome feedback and suggestion -----------------8<--------------------------8<--------------------------8<-------------------------- The information below can be used to reproduce a debug environment: -Current build : https://ci.linaro.org/job/tcwg_bmk-code_speed-cpu2017rate--llvm-arm-master-O3-build/103/artifact/artifacts -Reference build : https://ci.linaro.org/job/tcwg_bmk-code_speed-cpu2017rate--llvm-arm-master-O3-build/101/artifact/artifacts +Current build : https://ci.linaro.org/job/tcwg_bmk-code_speed-cpu2017rate--llvm-arm-master-O3-build/104/artifact/artifacts +Reference build : https://ci.linaro.org/job/tcwg_bmk-code_speed-cpu2017rate--llvm-arm-master-O3-build/103/artifact/artifacts + +Reproduce last good and first bad builds: https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/llvm/sha1/147c5d6686b935ecd93f8fa0e2dcf38deb593890/tcwg_bmk-code_speed-cpu2017rate/llvm-arm-master-O3/reproduction_instructions.txt + +Full commit : https://github.com/llvm/llvm-project/commit/147c5d6686b935ecd93f8fa0e2dcf38deb593890 + +List of configurations that regressed due to this commit : +* tcwg_bmk-code_speed-cpu2017rate +** llvm-aarch64-master-O3 +*** slowed down by 7% - 549.fotonik3d_r +*** https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/llvm/sha1/147c5d6686b935ecd93f8fa0e2dcf38deb593890/tcwg_bmk-code_speed-cpu2017rate/llvm-aarch64-master-O3/details.txt +*** https://ci.linaro.org/job/tcwg_bmk-code_speed-cpu2017rate--llvm-aarch64-master-O3-build/145/ +** llvm-arm-master-O3 +*** slowed down by 100% - 508.namd_r:libc.so.6 +*** https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/llvm/sha1/147c5d6686b935ecd93f8fa0e2dcf38deb593890/tcwg_bmk-code_speed-cpu2017rate/llvm-arm-master-O3/details.txt +*** https://ci.linaro.org/job/tcwg_bmk-code_speed-cpu2017rate--llvm-arm-master-O3-build/104/ |