[pbs-devel] [PATCH proxmox 1/2] add tools/zero: add fast zero comparison code

Thomas Lamprecht t.lamprecht at proxmox.com
Mon Dec 14 09:38:49 CET 2020


On 11.12.20 13:08, Dominik Csapak wrote:
> that can make use of see/avx instructions where available
> 

maybe some performance numbers can help to argue why we should add
that, maybe directly as small benchmark binary so different CPUs
could be compared?

> this is mostly a direct translation of qemu's util/bufferiszero.c
> 
> this is originally from Wolfgang Bumiller

FYI, you could use the

Originally-by: Wolfgang Bumiller <w.bumiller at proxmox.com>

git trailer for that, I saw it a few times used in other projects (e.g.,
kernel)






More information about the pbs-devel mailing list