[Linaro-TCWG-CI] gcc-14-5673-g33c2b70dbab: FAIL: 1 regressions: 8 progressions on aarch64

[Thiago Jung Bauermann]

Hello Tamar,

Thank you for your clarifications. They're very helpful.

Tamar Christina <Tamar.Christina@arm.com> writes:

>> - tcwg_bmk-code_size-cpu2017fast
>>   - gnu-aarch64-master-O2: grew in size by 3% - 508.namd_r
>>   - gnu-aarch64-master-O2_LTO: grew in size by 2% - 508.namd_r
>>
>> - tcwg_bmk-code_size-spec2k6
>>   - gnu-aarch64-master-O2: grew in size by 2% - 447.dealII
>>   - gnu-aarch64-master-Os: grew in size by 2% - 456.hmmer
>>
>
> Size gains are expected.  The cost model turns on throughput based
> optimizations. Since will grow because among other things it unrolls.

Ok, that is good to know.

>> - tcwg_bmk-code_speed-cpu2017rate
>>   - gnu-aarch64-master-O2: slowed down by 5% - 519.lbm_r
>>   - gnu-aarch64-master-O3: slowed down by 5% - 519.lbm_r
>>
>
> As the commit message says, there are outstanding costing issues that will be
> resolved at stage 4 when the remaining infrastructure are in place.

Nice.

>> - 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.

Indeed, thanks for pointing out.

-- 
Thiago