From: Rob Landley <rob@landley.net>
To: Rich Felker <dalias@libc.org>
Cc: "j-core@j-core.org" <j-core@j-core.org>, musl@lists.openwall.com
Subject: Re: [J-core] Aligned copies and cacheline conflicts?
Date: Wed, 14 Sep 2016 19:58:52 -0500 [thread overview]
Message-ID: <8498eaa7-f263-efc8-a59c-d601e84af2db@landley.net> (raw)
In-Reply-To: <20160915003451.GC15995@brightrain.aerifal.cx>
On 09/14/2016 07:34 PM, Rich Felker wrote:
> I could put a fork of memcpy.c in sh/memcpy.c and work on it there and
> only merge it back to the shared one if others test it on other archs
> and find it beneficial (or at least not harmful).
Both musl and the kernel need it. And yes at the moment it seems
architecture-specific, but it's a _big_ performance difference...
Rob
next prev parent reply other threads:[~2016-09-15 0:58 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <0c256cb1-d0fa-9a5a-3976-b7ef545c1827@landley.net>
2016-09-15 0:34 ` Rich Felker
2016-09-15 0:58 ` Rob Landley [this message]
2016-09-15 2:36 ` Rich Felker
2016-09-16 22:16 ` Rich Felker
2016-09-17 1:40 ` Rob Landley
2016-09-17 2:17 ` Rich Felker
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