[RC5] Re: Build 415 MMX core causes perfornance loss here

Tom Almy almy at teleport.com
Wed Jul 15 20:10:44 EDT 1998


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Following up to my own post. When I heard about a build 416 for OS/2 with the
MMX core I tried it out. It gives me 1,150,000 keys/sec, so this one appears to
work properly.

On Wed, 15 Jul 1998 14:23:04 -0700, Tom Almy wrote:

>I normally run OS/2, for which this build with the MMX core is not available.
>So I decided that for the duration of the contest, I'd switch to WinNT with
>build 415 when I didn't need to use the machine. However that turned out to
>be a mistake on my system:
>
>build 414 under OS2: 837000 keys/sec (consistant)
>build 415 under NT4: 710000-726000 keys/sec (fluctuates even with no load)
>
>System is a Pentium 166-MMX. In the RC5 contest, there was negligible
>difference between the two OSes, so I attribute the problem to build 415/MMX.
>
>
>Tom Almy
>Internet: almy at teleport.com
>WWW: www.teleport.com/~almy
>ftp: ftp.teleport.com/vendors/almy
>
>

Tom Almy
Internet: almy at teleport.com
WWW: www.teleport.com/~almy
ftp: ftp.teleport.com/vendors/almy

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