[PATCH 1/2] powerpc: string: implement optimized memset variants

Michael Ellerman mpe at ellerman.id.au
Wed Mar 29 22:36:28 AEDT 2017


"Naveen N. Rao" <naveen.n.rao at linux.vnet.ibm.com> writes:
> I also tested zram today with the command shared by Wilcox:
>
> without patch:       1.493782568 seconds time elapsed    ( +-  0.08% )
> with patch:          1.408457577 seconds time elapsed    ( +-  0.15% )
>
> ... which also shows an improvement along the same lines as x86, as 
> reported by Minchan Kim.

I got:

  1.344847397 seconds time elapsed                                          ( +-  0.13% )

Using the C versions. Can you also benchmark those on your setup so we
can compare? So basically apply Matt's series but not your 2.

cheers


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