> On Dec 4, 2023, at 12:25, Tamar Christina 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_not...@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
>>> | Date: Tue Nov 21 13:20:39 2023 +
>>> |
>>> | 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
>>> - https://ci.linaro.org/job/tcwg_gnu_cross_check_gcc--master-aarch64-
>> build/1102/artifact/artifacts/00-sumfiles/ .
>>> The full lists of regressions and progressions are in
>>> - https://ci.linaro.org/job/tcwg_gnu_cross_check_gcc--master-aarch64-
>> build/1102/artifact/artifacts/notify/ .
>>> The list of [ignored] baseline and flaky failures are in
>>> - https://ci.linaro.org/job/tcwg_gnu_cross_check_gcc--master-aarch64-
>> 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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