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From: Leo Famulari <leo@famulari.name>
To: Tobias Geerinckx-Rice <me@tobias.gr>
Cc: guix-devel@gnu.org
Subject: Re: [PATCH 2/2] gnu: icecat: Use libjpeg-turbo instead of bundled libjpeg.
Date: Sun, 27 Nov 2016 16:41:19 -0500	[thread overview]
Message-ID: <20161127214119.GB30774@jasmine> (raw)
In-Reply-To: <bc4f669a-eb32-9c94-0328-e2b40ff797ed@tobias.gr>

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On Sun, Nov 27, 2016 at 10:02:35PM +0100, Tobias Geerinckx-Rice wrote:
> Leo,
> 
> On 27/11/16 21:56, Leo Famulari wrote:
> > Will this work on nachines that don't support SSE? My understanding is
> > that we don't wish to require it.
> 
> Why wouldn't it?
> 
> I don't often use Icecat, but when I do... I don't see why it would
> require SSE by default. ;-) And it's not like we ever patched it to use
> IJG's libjpeg to begin with.

I'm not sure, but the comment seems to indicate that we don't want to
use it:

;; According to
;; http://sourceforge.net/projects/libjpeg-turbo/ ,
;; "libjpeg-turbo is a derivative of libjpeg that
;; uses MMX, SSE, SSE2, and NEON SIMD instructions
;; to accelerate baseline JPEG compression/
;; decompression", so we had better not use it

But I'm not sure how to interpret that, so I've copied Andreas on my
reply (he wrote that comment).

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  reply	other threads:[~2016-11-27 21:41 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-27 20:17 [PATCH 1/2] gnu: Add libjpeg-turbo Tobias Geerinckx-Rice
2016-11-27 20:17 ` [PATCH 2/2] gnu: icecat: Use libjpeg-turbo instead of bundled libjpeg Tobias Geerinckx-Rice
2016-11-27 20:56   ` Leo Famulari
2016-11-27 21:02     ` Tobias Geerinckx-Rice
2016-11-27 21:41       ` Leo Famulari [this message]
2016-11-27 21:50         ` Marius Bakke
2016-11-27 22:28           ` Marius Bakke
2016-11-27 22:44             ` Leo Famulari
2016-11-27 22:43           ` Leo Famulari
2016-11-27 23:15         ` Tobias Geerinckx-Rice
2016-11-27 23:20           ` Tobias Geerinckx-Rice
2016-11-27 23:42             ` Leo Famulari
2016-11-27 23:27           ` Leo Famulari
2016-11-27 20:55 ` [PATCH 1/2] gnu: Add libjpeg-turbo Leo Famulari
2016-11-27 21:12   ` Tobias Geerinckx-Rice
2016-11-27 21:36     ` Leo Famulari

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