Date: Thu, 29 May 1997 08:02:42 -0600 From: Brett Glass <brett@lariat.org> To: bde@zeta.org.au, asami@vader.cs.berkeley.edu, roberto@keltia.freenix.fr Cc: hardware@FreeBSD.ORG Subject: Re: Intel Pentium II released Message-ID: <3.0.1.32.19970529080242.006b44ec@lariat.org> In-Reply-To: <882564A6.0037ED8A.00@IWND1.infoworld.com>
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Something to test: would an MMX copy be faster than the FP copy? The K6 is claimed to have particularly fast transfers when used for MMX. --Brett At 07:51 PM 5/29/97 +1100, bde@zeta.org.au wrote: >>Bruce, do you think you can add a code to disable the FP-copy when the >>chip is a 586-class but not from "GenuineIntel" (or whatever)? The >>only 586-class non-Intel CPU out there is the K6 (K5 too?), right? > >CPU_M2 also has class CPU_586. I don't know if the K6 is a CPU_586 or >a CPU_M2. It's not really either. The FP-copy attachment code shouldn't >know about this. It should run some tests and pick the fastest method. > >Bruce
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