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Forum: Riesel Prime Search 2015-02-17, 06:27
Replies: 62
Views: 8,358
Posted By VBCurtis
Both ranges span 1 million, both sieved to the...

Both ranges span 1 million, both sieved to the same level, and the number of tests differs by 100. What is it you find strange? Can you rephrase your question?
Forum: Riesel Prime Search 2013-09-27, 02:55
Replies: 62
Views: 8,358
Posted By VBCurtis
I don't recall what msft (user name, not company)...

I don't recall what msft (user name, not company) said about the limitations of his code- I believe he stopped development shortly after he got it working, in favor of an OpenCL version for the other...
Forum: Riesel Prime Search 2013-09-26, 04:04
Replies: 62
Views: 8,358
Posted By VBCurtis
CUDA-LLR is available, and in my experience...

CUDA-LLR is available, and in my experience stable. It only uses power-of-2 FFT sizes, and speed improves with larger exponents. The main FFT jump we care about is just over 3M for k=69, so your...
Forum: Riesel Prime Search 2013-09-18, 02:42
Replies: 62
Views: 8,358
Posted By VBCurtis
69 is part of the "First Megabit Drive", and is...

69 is part of the "First Megabit Drive", and is searched as part of that drive. If you'd like to search for primes at that level, simply reserve a file or two from that thread- it's stickied near...
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