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[Bug middle-end/78406] Crafty v23.4 is 20% slower under GCC 6.2 than under Clang 3.9
- From: "trippels at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 24 Feb 2017 09:59:57 +0000
- Subject: [Bug middle-end/78406] Crafty v23.4 is 20% slower under GCC 6.2 than under Clang 3.9
- Auto-submitted: auto-generated
- References: <bug-78406-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78406
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #3 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
With trunk:
markus@x4 crafty % gcc -Wall -Wno-array-bounds -pipe -march=native -O3 -pthread
-DSYZYGY -DTEST -DCPUS=4 -DUNIX -c crafty.c
markus@x4 crafty % ./crafty bench quit
...
Total nodes: 193900602
Raw nodes per second: 5166549
Total elapsed time: 37.53
markus@x4 crafty % clang -lm -Wall -Wno-array-bounds -pipe -march=native -O3
-pthread -DSYZYGY -DTEST -DCPUS=4 -DUNIX crafty.c
markus@x4 crafty % ./a.out bench quit
...
Total nodes: 195568787
Raw nodes per second: 5206836
Total elapsed time: 37.56
This is under 1% difference and just in the noise.
Closing as invalid.