On 2012-01-10 05:48, Eitan Adler wrote:
On Mon, Jan 9, 2012 at 11:02 PM, John-Mark Gurneyj...@funkthat.com wrote:
Last time I did benchmarking on this ~10 years ago, it was slower to
use xor instead of using assignments...
I'd be shocked if the compiler didn't optimize this away to an XCHG.
On 2012-01-03 20:47, Pedro F. Giffuni wrote:
Author: pfg
Date: Tue Jan 3 19:47:32 2012
New Revision: 229415
URL: http://svn.freebsd.org/changeset/base/229415
Log:
Integrate the line drawing algorithm from the book Graphic Gems 1.
http://www.graphicsgems.org/
At the time it claimed
Hello;
--- Mar 10/1/12, Dimitry Andric d...@freebsd.org ha scritto:
Data: Martedì 10 gennaio 2012, 03:07
On 2012-01-03 20:47, Pedro F. Giffuni
wrote:
Author: pfg
Date: Tue Jan 3 19:47:32 2012
New Revision: 229415
URL: http://svn.freebsd.org/changeset/base/229415
Log:
Eitan Adler wrote this message on Mon, Jan 09, 2012 at 23:48 -0500:
On Mon, Jan 9, 2012 at 11:02 PM, John-Mark Gurney j...@funkthat.com wrote:
Last time I did benchmarking on this ~10 years ago, it was slower to
use xor instead of using assignments...
I'd be shocked if the compiler didn't
--- Mar 10/1/12, John-Mark Gurney j...@funkthat.com ha scritto:
Eitan Adler wrote this message on
Mon, Jan 09, 2012 at 23:48 -0500:
On Mon, Jan 9, 2012 at 11:02 PM, John-Mark Gurney
j...@funkthat.com
wrote:
Last time I did benchmarking on this ~10 years
ago, it was slower to use xor
Pedro F. Giffuni wrote this message on Tue, Jan 03, 2012 at 19:47 +:
+#define SL_SWAP(a,b) {a^=b; b^=a; a^=b;}
Can we replace this w/ a normal swap function?
Last time I did benchmarking on this ~10 years ago, it was slower to
use xor instead of using assignments...
--
Hi John;
--- Lun 9/1/12, John-Mark Gurney j...@funkthat.com ha scritto:
...
Pedro F. Giffuni wrote this message
on Tue, Jan 03, 2012 at 19:47 +:
+#define SL_SWAP(a,b)
{a^=b; b^=a; a^=b;}
Can we replace this w/ a normal swap function?
Last time I did benchmarking on this
On Mon, Jan 9, 2012 at 11:02 PM, John-Mark Gurney j...@funkthat.com wrote:
Last time I did benchmarking on this ~10 years ago, it was slower to
use xor instead of using assignments...
I'd be shocked if the compiler didn't optimize this away to an XCHG.
--
Eitan Adler
Author: pfg
Date: Tue Jan 3 19:47:32 2012
New Revision: 229415
URL: http://svn.freebsd.org/changeset/base/229415
Log:
Integrate the line drawing algorithm from the book Graphic Gems 1.
http://www.graphicsgems.org/
At the time it claimed to be 3-4 times faster than the traditional
