Ray Lee wrote:
On Thu, 2005-03-31 at 22:37 -0600, Robert Hancock wrote:
This is getting pretty ridiculous.. I've tried memory timings down to
the slowest possible, ran Memtest86 for 4 passes with no errors, and
it's been stable in Windows for a few months now. Still something is
blowing up in Linux with this test though..
Have you run the same memset test under windows?
I've traced a lot of oddball problems down to bad or marginal power
supplies.
I've now built a similar test program for Windows. I've let it run over
2000 iterations of 512MB memsets with no problems. On Linux it usually
blew up with under 200 iterations. It does run visibly slower than the
Linux version though - this is after all 32 bit Windows and it was
compiled with crufty old Visual C++ 6.0 so it is probably not that
optimized for this CPU. I will see if I can get a more optimized build
of this to try in Mingw32 or something.. after all if it's related to
some instruction combination or something it may not show up in the
build I have.
--
Robert Hancock Saskatoon, SK, Canada
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Home Page: http://www.roberthancock.com/
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