Hi Anton, On Thursday 11 February 2010 15:07:54 Anton Blanchard wrote: > > A number of our chips like loads and stores to be paired. A small kernel > module testcase shows the improvement of pairing loads and stores in > copy_4k_page: > > POWER6: +9% > POWER7: +1.5%
I just tried this on one of our QS22 cell blades and it seems to cause about half a percent speedup but that looks like it's within the noise of the results that I'm getting. In any case it doesn't look like it has a negative effect for cell. Looks good! Mark _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
