Date: Sun, 9 Jan 2000 09:47:58 +0100 (CET) From: Wilmer van der Gaast To: djgpp AT delorie DOT com Subject: Re: Is there any point in MMX? In-Reply-To: <8599nt$1uo3r$1@reader2.wxs.nl> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Reply-To: djgpp AT delorie DOT com Errors-To: dj-admin AT delorie DOT com X-Mailing-List: djgpp AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk On Sun, 9 Jan 2000, Bas Hamstra wrote: > About MMX: why does one hear so little about it? Could there be any > speedgain for my chess app using MMX? Aren't there a couple of extra > registers, which the x86 needs so badly? MMX = Multi Media eXtensions. It's meant for multimedia stuff, and it allows you to apply the same calculation on, I believe it was 8 bytes, 4 words, 2 dwords or 1 qword, simultaneously. If your chess program does the same thing pretty often, you can use MMX, but I don't think chess programs do that. Greetings, --------- Wilmer van der Gaast (lintux AT dds DOT nl) ICQ 55707076