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CPU code optimalisation

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    Posted: 26 March 2004 at 5:52pm

on intel cpu`s spamfilter uses rtutils.dll and runs more smooth,on amd cpu`s spamfilter spikes very ugly.(not calling this dll from the kernel) why is that ?

we are testing an new amd server (aka appro) and spamfilter behaves really bad.

stack from process explorer :

SpamFilterSvc.exe+0x582a0
SpamFilterSvc.exe+0x77f0e
kernel32.dll!TerminateThread+0x113

No rtutils.dll, all other mdac/adc calls are made well, please note that it runs well, but spikes to much 2-20% cpu every 5 seconds, i noted this on an older athlon 1ghz another athlon barton, and now on the newer ones too...

http://ns.van.wijk.net/logsatamd.jpg  (athlon 1ghz asus a7v / 768mb ddr)

picture is from plain windows 2003 with logsat installed on it only.(all default) 1.2.0.212 licensed

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