| commit | 53bea213a22e0f6aceaffb410246609120fdff5d | |
| author | wilco <wilco@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Fri, 3 Nov 2017 15:20:53 +0000 (3 15:20 +0000) | ||
| committer | wilco <wilco@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Fri, 3 Nov 2017 15:20:53 +0000 (3 15:20 +0000) | ||
| tree | 4d0e10fb4d71d01e1010c6491ac93a060f641f60 | treesnapshot (tar.gz zip) |
| parent | 781347cd511cdf83ae788d4b40d8e47213826a2e | commitdiff |
Set default sched pressure algorithm
The Arm backend sets the default sched-pressure algorithm to SCHED_PRESSURE_MODEL.
Benchmarking on AArch64 shows this speeds up floating point performance on SPEC -
eg. CactusBSSN improves by ~16%. The gains are mostly due to less spilling,
so enable this on AArch64 by default.
gcc/
* config/aarch64/aarch64.c (aarch64_override_options_internal):
Set PARAM_SCHED_PRESSURE_ALGORITHM to SCHED_PRESSURE_MODEL.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@254378 138bc75d-0d04-0410-961f-82ee72b054a4
The Arm backend sets the default sched-pressure algorithm to SCHED_PRESSURE_MODEL.
Benchmarking on AArch64 shows this speeds up floating point performance on SPEC -
eg. CactusBSSN improves by ~16%. The gains are mostly due to less spilling,
so enable this on AArch64 by default.
gcc/
* config/aarch64/aarch64.c (aarch64_override_options_internal):
Set PARAM_SCHED_PRESSURE_ALGORITHM to SCHED_PRESSURE_MODEL.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@254378 138bc75d-0d04-0410-961f-82ee72b054a4
| gcc/ChangeLog | diffblobblamehistory | |
| gcc/config/aarch64/aarch64.c | diffblobblamehistory |