From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Anholt Subject: Re: [PATCH] drm/i915: set IDICOS to medium uncore resources Date: Wed, 18 Jul 2012 09:07:55 -0700 Message-ID: <87eho9uk6c.fsf@eliezer.anholt.net> References: <1336183139-10286-1-git-send-email-ben@bwidawsk.net> <20120618083554.GB4773@phenom.ffwll.local> <1342434609_3829@CP5-2952> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0956372249==" Return-path: In-Reply-To: <1342434609_3829@CP5-2952> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Chris Wilson , Daniel Vetter , Ben Widawsky Cc: intel-gfx@lists.freedesktop.org, "Kilarski, Bernard R" List-Id: intel-gfx@lists.freedesktop.org --===============0956372249== Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha1; protocol="application/pgp-signature" --=-=-= Content-Transfer-Encoding: quoted-printable Chris Wilson writes: > On Mon, 18 Jun 2012 10:35:54 +0200, Daniel Vetter wrote: >> On Fri, May 04, 2012 at 06:58:59PM -0700, Ben Widawsky wrote: >> > I'm seeing about a 5% FPS improvement across various benchmarks on my >> > IVB i3. Rumor has it that the higher end parts show even more benefit. >> >=20 >> > This derives from a patch originally given to me by Bernard. The docs >> > are confusing about the definition names (ie. medium really seems like >> > max), but it would seem it gives more cache to the GT at the expense of >> > uncore. This configuration makes the split most in favor of the GT. I'= ve >> > not tried the other IDICOS values. >> >=20 >> > Cc: "Kilarski, Bernard R" >> > Signed-off-by: Ben Widawsky >> Queued for -next, with Eric's ack added. Although I've had fix the patch, >> it didn't compile :( > > So this introduces a 10% (205 to 185 fps on an i7-3720qm @10x7) performan= ce > regression on good old CPU bound padman, but one large win with alpha > compositing the same texture over and over again (fishtank 7.8s to 6.8s). > > Oh well, there's plenty of overhead in mesa to recover -- reading the > profiles it is rate limited by the cpu overhead in i965_dri.so. Yeah, the plan for CPU overhead is threading the dispatch -- it's what every other driver does. --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iEYEARECAAYFAlAG31wACgkQHUdvYGzw6vddWQCbBPVk2WFoTDc3l4Q2iZTotB7j YsEAn3LEbKJf0H9ZZ/aF3uQVZsAkEEcP =AYQ/ -----END PGP SIGNATURE----- --=-=-=-- --===============0956372249== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx --===============0956372249==--