On 24 November 2014 at 13:46, Wilco Dijkstra wdijk...@arm.com wrote:
Richard Earnshaw wrote:
If all cores seem to benefit from FP reassociation set to 4, then it
seems odd that 4 is not also the default for generic.
Andrew, you may need to pick a target-specific value for ThunderX; I
think
Marcus Shawcroft wrote:
OK for commit?
ChangeLog:
2014-11-24 Wilco Dijkstra wdijk...@arm.com
* gcc/config/aarch64/aarch64-protos.h (tune-params):
Add reasociation tuning parameters.
* gcc/config/aarch64/aarch64.c (TARGET_SCHED_REASSOCIATION_WIDTH):
Richard Earnshaw wrote:
If all cores seem to benefit from FP reassociation set to 4, then it
seems odd that 4 is not also the default for generic.
Andrew, you may need to pick a target-specific value for ThunderX; I
think Wilco has just picked something that seems plausible because he
On 29/10/14 12:55, Wilco Dijkstra wrote:
This patch adds the TARGET_SCHED_REASSOCIATION_WIDTH hook. Separate settings
for integer, floating
point and vector modes are supported via the CPU tuning parameters. Setting
the FP reassociation
width to 4 improves FP performance on SPEC2000 by
