Re: [PATCH v5 7/7] hugetlb: parallelize 1G hugetlb initialization

[Muchun Song]

> On Jan 26, 2024, at 23:24, Gang Li <gang.li@xxxxxxxxx> wrote:
> 
> Optimizing the initialization speed of 1G huge pages through
> parallelization.
> 
> 1G hugetlbs are allocated from bootmem, a process that is already
> very fast and does not currently require optimization. Therefore,
> we focus on parallelizing only the initialization phase in
> `gather_bootmem_prealloc`.
> 
> Here are some test results:
>      test case       no patch(ms)   patched(ms)   saved
> ------------------- -------------- ------------- --------
>  256c2T(4 node) 1G           4745          2024   57.34%
>  128c1T(2 node) 1G           3358          1712   49.02%
>     12T         1G          77000         18300   76.23%
> 
> Signed-off-by: Gang Li <ligang.bdlg@xxxxxxxxxxxxx>
> Tested-by: David Rientjes <rientjes@xxxxxxxxxx>

Reviewed-by: Muchun Song <muchun.song@xxxxxxxxx>

Thanks.