Bug 79703 - [meta-bug] SciMark 2.0 performance issues
Summary: [meta-bug] SciMark 2.0 performance issues
Status: NEW
Alias: None
Product: gcc
Classification: Unclassified
Component: middle-end (show other bugs)
Version: unknown
: P3 normal
Target Milestone: ---
Assignee: Not yet assigned to anyone
URL: http://math.nist.gov/scimark2/downloa...
Keywords: meta-bug, missed-optimization
Depends on: 69564 80197 80232 21676 39200 53397 54073 59643 78401 78402 78403 78404 79389 79390
Blocks: 79704
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Reported: 2017-02-24 09:20 UTC by Uroš Bizjak
Modified: 2021-08-24 09:07 UTC (History)
2 users (show)

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Known to work:
Known to fail:
Last reconfirmed: 2017-02-24 00:00:00

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Description Uroš Bizjak 2017-02-24 09:20:30 UTC 
This meta-bug tracks SciMark 2.0 [1] performance issues.

[1] http://math.nist.gov/scimark2/download_c.html
Comment 1 Uroš Bizjak 2017-02-24 10:28:38 UTC 
SciMark 2.0 has lots of tight loops that are ideal for perf. Just stating the benchmark score of two compilers does not represent a good report. We need at least a perf report, with eventual analysis of hot spots. Something similar to [1] is a good start.

For regressions, a regression hunt like [2] is also welcome

[1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79389#c3
[2] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79389#c0
Comment 2 Uroš Bizjak 2017-07-26 07:29:48 UTC 
Please note that Phoronix SciMark 2.0 benchmark is faulty [1].

[1] https://kristerw.blogspot.si/2017/07/phoronix-scimark-benchmarking-results.html