lkml.org 
[lkml]   [2019]   [Apr]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC PATCH v2 00/17] Core scheduling v2

* Aubrey Li <aubrey.intel@gmail.com> wrote:

> I have the same environment setup above, for nosmt cases, I used
> /sys interface Thomas mentioned, below is the result:
>
> NA/AVX baseline(std%) coresched(std%) +/- nosmt(std%) +/-
> 1/1 1.987( 1.97%) 2.043( 1.76%) -2.84% 1.985( 1.70%) 0.12%
> NA/AVX baseline(std%) coresched(std%) +/- nosmt(std%) +/-
> 2/2 2.074( 1.16%) 2.057( 2.09%) 0.81% 2.072( 0.77%) 0.10%
> NA/AVX baseline(std%) coresched(std%) +/- nosmt(std%) +/-
> 4/4 2.140( 0.00%) 2.138( 0.49%) 0.09% 2.137( 0.89%) 0.12%
> NA/AVX baseline(std%) coresched(std%) +/- nosmt(std%) +/-
> 8/8 2.140( 0.00%) 2.144( 0.53%) -0.17% 2.140( 0.00%) 0.00%
> NA/AVX baseline(std%) coresched(std%) +/- nosmt(std%) +/-
> 16/16 2.361( 2.99%) 2.369( 2.65%) -0.30% 2.406( 2.53%) -1.87%
> NA/AVX baseline(std%) coresched(std%) +/- nosmt(std%) +/-
> 32/32 5.032( 8.68%) 3.485( 0.49%) 30.76% 6.002(27.21%) -19.27%
> NA/AVX baseline(std%) coresched(std%) +/- nosmt(std%) +/-
> 64/64 7.577(34.35%) 3.972(23.18%) 47.57% 18.235(14.14%) -140.68%
> NA/AVX baseline(std%) coresched(std%) +/- nosmt(std%) +/-
> 128/128 24.639(14.28%) 27.440( 8.24%) -11.37% 34.746( 6.92%) -41.02%
> NA/AVX baseline(std%) coresched(std%) +/- nosmt(std%) +/-
> 256/256 38.797( 8.59%) 44.067(16.20%) -13.58% 42.536( 7.57%) -9.64%

What do these numbers mean? Are these latencies, i.e. lower is better?

Thanks,

Ingo

\
 
 \ /
  Last update: 2019-04-27 11:18    [W:0.182 / U:9.540 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site