On Dec 4, 2023, at 12:25, Tamar Christina Tamar.Christina@arm.com wrote:
...
- tcwg_bmk-fujitsu_speed-cpu2017speed
- gnu-aarch64-master-O2: slowed down by 19% - 644.nab_s:[.]
exp@@GLIBC_2.29
This is suspect, it says the slowdown is in exp in glibc, that would be unrelated to my patch.
Hi Tamar,
Linaro benchmarking builds the whole sysroot with the "new" compiler, including glibc. It may be interesting to double-check code-gen differences on glibc's exp() and make sure they are no obvious bad choices.
-- Maxim Kuvyrkov https://www.linaro.org
Tamar
The link above has the full results.
ci_notify@linaro.org writes:
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.
In master-aarch64 after:
| commit gcc-14-5673-g33c2b70dbab | Author: Tamar Christina tamar.christina@arm.com | Date: Tue Nov 21 13:20:39 2023 +0000 | | AArch64: Add new generic-armv8-a CPU and make it the default. | | This patch adds a new generic scheduling model "generic-armv8-a" and
makes it
| the default for all Armv8 architectures. | | -mcpu=generic and -mtune=generic is kept around for those that really want
the
| previous cost model. | ... 34 lines of the commit log omitted.
FAIL: 1 regressions: 8 progressions
regressions.sum: === gcc tests ===
Running gcc:gcc.target/aarch64/sve/aarch64-sve.exp ... FAIL: gcc.target/aarch64/sve/mask_struct_load_3_run.c execution test
=== Results Summary ===progressions.sum: === gcc tests ===
Running gcc:gcc.dg/vect/vect.exp ... FAIL: gcc.dg/vect/vect-reduc-pattern-1b-big-array.c -flto -ffat-lto-objects (test
for excess errors)
UNRESOLVED: gcc.dg/vect/vect-reduc-pattern-1b-big-array.c compilation failed
to produce executable
UNRESOLVED: gcc.dg/vect/vect-reduc-pattern-1b-big-array.c -flto -ffat-lto-
objects compilation failed to produce executable
FAIL: gcc.dg/vect/vect-reduc-pattern-1b-big-array.c (test for excess errors) UNRESOLVED: gcc.dg/vect/vect-reduc-pattern-1b.c compilation failed to
produce executable
UNRESOLVED: gcc.dg/vect/vect-reduc-pattern-1b.c -flto -ffat-lto-objects
compilation failed to produce executable
FAIL: gcc.dg/vect/vect-reduc-pattern-1b.c (test for excess errors) ... and 3 more entries
You can find the failure logs in *.log.1.xz files in
build/1102/artifact/artifacts/00-sumfiles/ .
The full lists of regressions and progressions are in
build/1102/artifact/artifacts/notify/ .
The list of [ignored] baseline and flaky failures are in
build/1102/artifact/artifacts/sumfiles/xfails.xfail .
The configuration of this build is: CI config tcwg_gnu_cross_check_gcc master-aarch64
-----------------8<--------------------------8<--------------------------8<-------------------
The information below can be used to reproduce a debug environment:
Current build : https://ci.linaro.org/job/tcwg_gnu_cross_check_gcc--master-
aarch64-build/1102/artifact/artifacts
Reference build : https://ci.linaro.org/job/tcwg_gnu_cross_check_gcc--master-
aarch64-build/1101/artifact/artifacts
Reproduce last good and first bad builds: https://git-
us.linaro.org/toolchain/ci/interesting- commits.git/plain/gcc/sha1/33c2b70dbabc02788caabcbc66b7baeafeb95bcf/tcw g_gnu_cross_check_gcc/master-aarch64/reproduction_instructions.txt
Full commit : https://github.com/gcc-
mirror/gcc/commit/33c2b70dbabc02788caabcbc66b7baeafeb95bcf
Latest bug report status : https://linaro.atlassian.net/browse/GNU-1040
List of configurations that regressed due to this commit :
- tcwg_gnu_cross_check_gcc
** master-aarch64 *** FAIL: 1 regressions: 8 progressions *** https://git-us.linaro.org/toolchain/ci/interesting-
commits.git/plain/gcc/sha1/33c2b70dbabc02788caabcbc66b7baeafeb95bcf/tcw g_gnu_cross_check_gcc/master-aarch64/details.txt
*** https://ci.linaro.org/job/tcwg_gnu_cross_check_gcc--master-aarch64-
build/1102/
-- Thiago
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