X-Recipient: archive-cygwin AT delorie DOT com
DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:date:from:to:subject:message-id:reply-to
	:references:mime-version:content-type:in-reply-to; q=dns; s=
	default; b=Hf1Pf0ugT43vvCsj+7tmD8X5vuI9FaCkTj69BApRgM7qI3fEQf0wV
	m3g4Ptm244ffyFT94hJym7SL8Ni3r6glDGH7mxcjCQK21UBkG/d+f1ue6o1qCteh
	tZiXoHYfQ5aMmRdi2W6T/hPY0dLbTpQdZGr9EZ4kLCo72IsC9qn0yQ=
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:date:from:to:subject:message-id:reply-to
	:references:mime-version:content-type:in-reply-to; s=default;
	 bh=gpki1z5f17zVw0LBT9zaIgq44os=; b=DyHWHYQv67I3CA+1BIQzyaCT1TDb
	uk8sFGKu+D/uCGC6ve6mW5KLrrQ0eOyyxgblCeTDwNCxJikXys/VakxgqQy1iesE
	D1UIINTnyXCg2ic9II10acVH/VTxwBw7ETrFqxmNtdfwZrTTYbMLkgCyTH4KX2ux
	d2xrjs+WObEvlqA=
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id: <cygwin.cygwin.com>
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sourceware.org/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com
Authentication-Results: sourceware.org; auth=none
X-Virus-Found: No
X-Spam-SWARE-Status: No, score=-5.4 required=5.0 tests=AWL,BAYES_00,KAM_LAZY_DOMAIN_SECURITY autolearn=no version=3.3.2
X-HELO: calimero.vinschen.de
Date: Mon, 3 Aug 2015 15:33:43 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: cpuinfo cache size
Message-ID: <20150803133343.GA18434@calimero.vinschen.de>
Reply-To: cygwin AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
References: <55896193 DOT 2080307 AT gmail DOT com> <20150623141737 DOT GS28301 AT calimero DOT vinschen DOT de> <loom DOT 20150803T112514-524 AT post DOT gmane DOT org>
MIME-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha256;	protocol="application/pgp-signature"; boundary="huq684BweRXVnRxX"
Content-Disposition: inline
In-Reply-To: <loom.20150803T112514-524@post.gmane.org>
User-Agent: Mutt/1.5.23 (2014-03-12)

--huq684BweRXVnRxX
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Aug  3 10:15, Achim Gratz wrote:
> Corinna Vinschen <corinna-cygwin <at> cygwin.com> writes:
> > Cygwin is lacking the code to fetch L3 caches and afaics, it's not
> > overly simple.  At least calling cpuid as for L1 and L2 caches is not
> > sufficient, apparently.
>=20
> If you can use the Windows API, then this
> https://msdn.microsoft.com/en-us/library/ms683194.aspx

Oh, that sounds good.  I wasn't aware of this function.  This and
GetLogicalProcessorInformationEx on newer systems seem to help here.

If nobody beats me to it I'll have a look into it at one point.

> I have no patches, but another difference to Linux is that the CPU freque=
ncy
> reported is the maximum (non-turbo) frequency instead of the actual one
> (which could be larger or lower depending on the frequency scaling in
> effect).  That seems to require more infrastructure, though.

Another Windows function? :)


Thanks,
Corinna

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

--huq684BweRXVnRxX
Content-Type: application/pgp-signature

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2
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=jGBG
-----END PGP SIGNATURE-----

--huq684BweRXVnRxX--