Hi,
At 12:42 AM 6/21/99 +0200, Otto Bruggeman wrote:
>Sorry to bother you people with this but can anybody tell me why my celeron
>400 all of a sudden slows to (almost) half speed when it reaches the
>1,000,000,000 (actually a little more, i guess it's around 2^30) mark in
>factoring numbers??? My p233mmx slows about 15 percent. The numbers
>currently being factored are in the 9.7 million range (shoudn't matter, it
>happened also in the 7.5 million range...).
This is normal. The factoring code uses different algorithms to find
factors below 2^62, from 2^62 to 2^63, and from 2^63 to 2^64.
What you have noticed is prime95 switching over to the 2^62 to 2^63 code
which is slower than the below 2^62 code.
Hope that helps,
George
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