On 11/27/2020 5:34 AM, Chris Wilson wrote:
Quoting Xing Zhengjun (2020-11-26 01:44:55)
On 11/25/2020 4:47 AM, Chris Wilson wrote:
Quoting Oliver Sang (2020-11-19 07:20:18)
On Fri, Nov 13, 2020 at 04:27:13PM +0200, Joonas Lahtinen wrote:
Hi,
Could you add intel-gfx@xxxxxxxxxxxxxxxxxxxxx into reports going
forward.
Quoting kernel test robot (2020-11-11 17:58:11)
Greeting,
FYI, we noticed a -54.0% regression of phoronix-test-suite.jxrendermark.RadialGradientPaint.1024x1024.operations_per_second due to commit:
How many runs are there on the bad version to ensure the bisect is
repeatable?
test 4 times.
zxing@inn:/result/phoronix-test-suite/performance-true-Radial_Gradient_Paint-1024x1024-jxrendermark-1.2.4-ucode=0xd6-monitor=da39a3ee/lkp-cfl-d1/debian-x86_64-phoronix/x86_64-rhel-8.3/gcc-9/59dd13ad310793757e34afa489dd6fc8544fc3da$ grep -r "operations_per_second" */stats.json
0/stats.json: "phoronix-test-suite.jxrendermark.RadialGradientPaint.1024x1024.operations_per_second": 4133.487932,
1/stats.json: "phoronix-test-suite.jxrendermark.RadialGradientPaint.1024x1024.operations_per_second": 4120.421503,
2/stats.json: "phoronix-test-suite.jxrendermark.RadialGradientPaint.1024x1024.operations_per_second": 4188.414835,
3/stats.json: "phoronix-test-suite.jxrendermark.RadialGradientPaint.1024x1024.operations_per_second": 4068.549514,
a w/o revert (drm-tip)
b w/ revert
+mB----------------------------------------------------------------------------+
| ..b |
| ..b.aa |
| ....a.a |
| ....a.a |
| b b ........a |
| b b b b......... a |
| b bb bbb........... |
|b ab bbab.bb.b............ba b a a ab a|
| |__A__| |
| |MA_| |
+------------------------------------------------------------------------------+
N Min Max Median Avg Stddev
a 120 3621.8761 7356.4442 4606.7895 4607.9132 156.17693
b 120 2664.0563 6359.9686 4519.5036 4534.4463 95.471121
The patch is not expected to have any impact on the machine you are testing on.
-Chris
What's your code base?
For my side:
1) sync the code to the head of Linux mainline
2) git reset --hard 59dd13ad31
3) git revert 59dd13ad3107
We compare the test result of commit 59dd13ad3107 (step 2) and
2052847b06f8 (step 3, revert 59dd13ad3107), the regression should
related with 59dd13ad3107. Each test case we run 5 times.
a 59dd13ad31
b revert
+mB----------------------------------------------------------------------------+
| a |
| aa |
| .b....ba |
| .b....baa b |
| .........b . b b |
| a b.......... ..bb b b |
| b a b.............b.a b b |
|a a b. .aaa..b.............b..b....ab b a .|
| |__A__| |
| |___A_____| |
+------------------------------------------------------------------------------+
N Min Max Median Avg Stddev
a 120 3658.3435 6363.7812 4527.4406 4536.612 86.095459
b 120 3928.9643 6375.829 4576.0482 4585.4224 157.284
Could you share with me your test commands and the hardware info, then I
can reproduce it on my side? Thanks.
--
Zhengjun Xing
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