[PATCH] [X86][SchedModel] Add missing scheduling model for SSE related instructions

Quentin Colombet qcolombet at apple.com
Mon Feb 17 09:32:43 PST 2014


On Feb 15, 2014, at 9:13 PM, Chandler Carruth <chandlerc at gmail.com> wrote:

> 
> On Fri, Feb 14, 2014 at 5:31 PM, Quentin Colombet <qcolombet at apple.com> wrote:
> @Chandler, could you run some performance measurement with that change, like you did for the addressing mode matcher?
> 
> No regressions, no statistically significant improvements.
> 
> I tested a wide range of benchmarks on westmere and sandybridge systems with -march=x86-64 and on sandybridge with -march=corei7-avx.
Thanks a lot!

It concurs my local testing.
Although the refactoring of the scheduling model does not bring any improvement yet, at least it provides fine grain scheduling class and should help us targeting the next iteration of intel architecture.

-Quentin
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