From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: dwz@sourceware.org
Subject: [Bug default/27557] Use threading at sub-file level
Date: Wed, 10 Mar 2021 15:11:17 +0000 [thread overview]
Message-ID: <bug-27557-11298-OrAhfD6LP8@http.sourceware.org/bugzilla/> (raw)
In-Reply-To: <bug-27557-11298@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=27557
--- Comment #2 from Tom de Vries <vries at gcc dot gnu.org> ---
Created attachment 13301
--> https://sourceware.org/bugzilla/attachment.cgi?id=13301&action=edit
Updated demonstrator patch
Now uses 8 threads, also does checksum_ref_die threaded.
Slightly better results: realtime now 14.7% less:
...
real:
series: 6130 6150 6160 6140 6150 6200 6230 6170 6220 6240
mean: 6179.00 (100%)
stddev: 40.12
series: 5220 5200 5220 5330 5220 5190 5430 5210 5200 5510
mean: 5273.00 (85.34%)
stddev: 112.55
user:
series: 5720 5790 5830 5730 5790 5850 5880 5820 5820 5840
mean: 5807.00 (100%)
stddev: 50.78
series: 7200 7170 7160 7240 7210 7090 7120 7160 7140 7070
mean: 7156.00 (123.23%)
stddev: 53.17
sys:
series: 400 340 320 390 350 340 340 340 390 390
mean: 360.00 (100%)
stddev: 29.06
series: 350 350 370 340 300 330 400 330 300 370
mean: 344.00 (95.56%)
stddev: 31.34
mem:
series: 1260484 1260480 1260420 1260412 1260416 1260540 1260420 1260548
1260656 1260420
mean: 1260479.60 (100%)
stddev: 80.78
series: 1260928 1260940 1260732 1260876 1260696 1260740 1260808 1260924
1260760 1260996
mean: 1260840.00 (100.03%)
stddev: 105.54
...
Additional known problem: Inter-CU references during checksum_ref_die. Again,
should be rare.
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next prev parent reply other threads:[~2021-03-10 15:11 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-10 13:36 [Bug default/27557] New: " vries at gcc dot gnu.org
2021-03-10 14:31 ` [Bug default/27557] " vries at gcc dot gnu.org
2021-03-10 15:11 ` vries at gcc dot gnu.org [this message]
2021-03-12 10:56 ` vries at gcc dot gnu.org
2021-03-12 12:35 ` vries at gcc dot gnu.org
2021-03-12 12:39 ` vries at gcc dot gnu.org
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