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From: Thomas Lamprecht <t.lamprecht@proxmox.com>
To: Proxmox Backup Server development discussion
	<pbs-devel@lists.proxmox.com>,
	Dominik Csapak <d.csapak@proxmox.com>
Subject: Re: [pbs-devel] [PATCH proxmox 1/2] add tools/zero: add fast zero comparison code
Date: Mon, 14 Dec 2020 09:38:49 +0100	[thread overview]
Message-ID: <beca62bb-2a0a-8317-61ec-cc165b96d390@proxmox.com> (raw)
In-Reply-To: <20201211120859.17323-2-d.csapak@proxmox.com>

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@proxmox.com>

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





  reply	other threads:[~2020-12-14  8:38 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-11 12:08 [pbs-devel] [PATCH RFC proxmox/proxmox-backup] restore files from pxar sparsely Dominik Csapak
2020-12-11 12:08 ` [pbs-devel] [PATCH proxmox 1/2] add tools/zero: add fast zero comparison code Dominik Csapak
2020-12-14  8:38   ` Thomas Lamprecht [this message]
2020-12-14 12:52     ` Wolfgang Bumiller
2020-12-11 12:08 ` [pbs-devel] [PATCH proxmox 2/2] proxmox: add sparse_copy(_async) to tools::io Dominik Csapak
2020-12-11 12:08 ` [pbs-devel] [PATCH proxmox-backup 1/1] pxar/extrac: if possible create files sparesly Dominik Csapak

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