[LKP] Re: [mm] 10befea91b: hackbench.throughput -62.4% regression
On 1/14/2021 11:18 AM, Roman Gushchin wrote:
On Thu, Jan 14, 2021 at 10:51:51AM +0800, kernel test robot wrote:
> Greeting,
>
> FYI, we noticed a -62.4% regression of hackbench.throughput due to commit:
Hi!
Commit "mm: memcg/slab: optimize objcg stock draining" (currently only in the
mm tree,
so no stable hash) should improve the hackbench regression.
The commit has been
merged into Linux mainline :
3de7d4f25a7438f09fef4e71ef111f1805cd8e7c ("mm: memcg/slab: optimize
objcg stock draining")
I test the regression still existed.
=========================================================================================
tbox_group/testcase/rootfs/kconfig/compiler/nr_threads/iterations/mode/ipc/cpufreq_governor/ucode:
lkp-csl-2sp7/hackbench/debian-10.4-x86_64-20200603.cgz/x86_64-rhel-8.3/gcc-9/100%/4/process/socket/performance/0x5003003
commit:
286e04b8ed7a04279ae277f0f024430246ea5eec
10befea91b61c4e2c2d1df06a2e978d182fcf792
3de7d4f25a7438f09fef4e71ef111f1805cd8e7c
v5.11-rc6
286e04b8ed7a0427 10befea91b61c4e2c2d1df06a2e
3de7d4f25a7438f09fef4e71ef1 v5.11-rc6
---------------- --------------------------- ---------------------------
---------------------------
%stddev %change %stddev %change %stddev
%change %stddev
\ | \ | \
| \
192062 ± 9% -62.4% 72220 ± 16% -63.0% 71147 ±
2% -61.7% 73626 hackbench.throughput
Thanks!
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Zhengjun Xing
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