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Old 2021-11-26, 00:05   #22
Happy5214's Avatar
Nov 2008
The Alamo City

14108 Posts

Originally Posted by rogue View Post
If you have a GPU, use srsieve2cl for sieving. Depending upon the GPU, it might be faster than sr1sieve. I have a mid-range GPU and it is 5x faster than sr1sieve on the same CPU.
Not to hijack this thread, but based on personal experience, I've had trouble getting my GeForce RTX 2060 to sieve faster with srsieve2cl than my Intel Core i7-10875H running 8 threads with sr1sieve. In fact, it's not even close with my Riesel data (at least 2-to-1 IIRC).
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