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Date: Fri, 13 Apr 2018 13:51:20 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Incorrect /proc/cpuinfo for AMD A6-9220
Message-ID: <20180413115120.GA27440@calimero.vinschen.de>
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On Apr 12 23:01, Jeffrey Walton wrote:
> Hi Everyone,
>=20
> I'm working on an AMD A6-9220 and seeing unusual results from
> /proc/cpuinfo. I think this may be an issue with the latest Cygwin. It
> may be present in earlier versions, too.
>=20
> Russinovich's coreinfo is shown below
> (https://docs.microsoft.com/en-us/sysinternals/downloads/coreinfo).
> Notice /proc/cpuinfo is missing aesni, pclmul, rdrand, SSE4.1, SSE4.2,
> AVX, etc.

Note that, in theory, cpuinfo has to be extended for each new CPU
generation.  That's a lot of work for marginal gain (Cygwin's not a real
kernel) so I'm doing this only very seldomly.

Patches welcome, of course!


Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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