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Re: [RFA] update ggc_min_heapsize_heuristic()


On 2017.04.10 at 12:15 +0200, Markus Trippelsdorf wrote:
> On 2017.04.10 at 10:56 +0100, Richard Earnshaw (lists) wrote:
> > 
> > What are the numbers with 256M?
> 
> Here are the numbers from a 4core/8thread 16GB RAM Skylake machine.
> They look less stellar than the ppc64le ones (variability is smaller):
> 
>  --param ggc-min-heapsize=131072
> 11264.89user 311.88system 24:18.69elapsed 793%CPU (0avgtext+0avgdata 1265352maxresident)k

 --param ggc-min-heapsize=262144
10778.52user 336.34system 23:15.71elapsed 796%CPU (0avgtext+0avgdata 1277468maxresident)k 

>  --param ggc-min-heapsize=393216
> 10655.42user 347.92system 23:01.17elapsed 796%CPU (0avgtext+0avgdata 1280476maxresident)k
> 
>  --param ggc-min-heapsize=524288
> 10565.33user 352.90system 22:51.33elapsed 796%CPU (0avgtext+0avgdata 1506348maxresident)k
-- 
Markus


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