Gentoo Archives: gentoo-dev

From: "Michał Górny" <mgorny@g.o>
To: Mike Gilbert <floppym@g.o>
Cc: Gentoo Dev <gentoo-dev@l.g.o>
Subject: Re: [gentoo-dev] Augmenting the CPU_FLAGS_X86 list and creating CPU_FLAGS_PPC + CPU_FLAGS_ARM
Date: Tue, 02 Aug 2016 13:29:35
Message-Id: 20160802152601.31cca71c.mgorny@gentoo.org
In Reply to: Re: [gentoo-dev] Augmenting the CPU_FLAGS_X86 list and creating CPU_FLAGS_PPC + CPU_FLAGS_ARM by Mike Gilbert
1 On Mon, 1 Aug 2016 17:15:41 -0400
2 Mike Gilbert <floppym@g.o> wrote:
3
4 > On Mon, Aug 1, 2016 at 5:08 PM, David Seifert <soap@g.o> wrote:
5 > > Dear friends,
6 > > while version bumping sci-libs/fftw, I've noticed our CPU_FLAGS_X86
7 > > list could be expanded a bit:
8 > >
9 > > avx512 - introduced with Skylake and Knights Landing
10 >
11 > According to Wikipedia, "AVX-512 consists of multiple extensions not
12 > all meant to be supported by all processors implementing them."
13 >
14 > https://en.wikipedia.org/wiki/AVX-512
15 >
16 > https://en.wikipedia.org/wiki/CPUID#EAX.3D7.2C_ECX.3D0:_Extended_Features
17
18 Also https://bugs.gentoo.org/show_bug.cgi?id=588628.
19
20 --
21 Best regards,
22 Michał Górny
23 <http://dev.gentoo.org/~mgorny/>

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