Date: Thu, 1 Feb 1996 14:29:25 -0700 (MST) From: Terry Lambert <terry@lambert.org> To: dfr@render.com (Doug Rabson) Cc: hasty@rah.star-gate.com, lehey.pad@sni.de, tinguely@plains.nodak.edu, hackers@FreeBSD.ORG Subject: Re: Good news -- pipe stuff Message-ID: <199602012129.OAA13787@phaeton.artisoft.com> In-Reply-To: <Pine.BSF.3.91.960201125238.17901E-100000@minnow.render.com> from "Doug Rabson" at Feb 1, 96 12:56:53 pm
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> Personally, I would prefer that Intel made byte and halfword memory > operations go as fast as 32bit operations. As far as I am concerned, the > two most useful pixel formats for 3D rendering are 8bit and 16bit. The > image quality gain for 32bit pixels is never enough to justify doubling > the memory bandwidth requirements. > > The first set of 3d hardware is a bit disappointing but its not too bad. > The second wave should be excellent. Intel's MMX instruction set > extensions make a P5 into a pretty good 3D accelerator too... I'd like to see unaligned acces of data cache items done with address space shift replication. That way I could do 32 bit I/O to the cache (re: Pentium bcopy) and not take a hit for unaligned source/target addresses. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.
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