> 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.
