On Mon, Sep 15, 2025 at 09:51:25AM +0200, Jan Engelhardt wrote:
>
> On Saturday 2025-09-13 02:09, Sudarsan Mahendran wrote:
> >
> >Summary of the results:
> >
> >- Significant change (meaning >10% difference
> > between base and experiment) on will-it-scale
> > tests in AMD.
> >
> >Summary of AMD will-it-scale test changes:
> >
> >Number of runs : 15
> >Direction : + is good
>
> If STDDEV grows more than mean, there is more jitter,
> which is not "good".
This is true. On the other hand, the mean grew way more in absolute
terms than did STDDEV. So might this be a reasonable tradeoff?
Of course, if adjustments can be made to keep the increase in mean while
keeping STDDEV low, that would of course be even better.
Thanx, Paul
> >| | MIN | MAX | MEAN | MEDIAN | STDDEV
> > |
> >|:-----------|:-----------|:-----------|:-----------|:-----------|:-----------|
> >| brk1_8_processes
> >| BASE | 7,667,220 | 7,705,767 | 7,682,782 | 7,676,211 | 12,733
> > |
> >| TEST | 9,477,395 | 10,053,058 | 9,878,753 | 9,959,360 | 182,014
> > |
> >| % | +23.61% | +30.46% | +28.58% | +29.74% |
> >+1,329.46% |
> >
> >| mmap2_256_processes
> >| BASE | 7,483,929 | 7,532,461 | 7,491,876 | 7,489,398 | 11,134
> > |
> >| TEST | 11,580,023 | 16,508,551 | 15,337,145 | 15,943,608 | 1,489,489
> > |
> >| % | +54.73% | +119.17% | +104.72% | +112.88% |
> >+13,276.75%|
>