At 10:00 PM 6/12/00 -0600, you wrote:
>I just finished a Lucas Lehmer test on exponent 9822067. My PII 350 was
>doing a iteration every .320 seconds. The next exponent it started was
>103500203. It is now taking .421 seconds per iteration. I have a feeling
>this is due to the fact it is using a different FFT. Is my assumption
>correct or do I have a problem here. Would appreciate any information on
>this.
Yes, you've jumped up in FFT size, and that slows the iteration down. You
can see a rough breakdown of the FFT size barriers at:
http://www.mersenne.org/status.htm
The break you passed over was at about 10,320,000.
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