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Forum: GMP-ECM 2021-11-07, 23:14
Replies: 4
Views: 5,104
Posted By nordi
I also benchmarked Step 2 on my AMD Ryzen 9...

I also benchmarked Step 2 on my AMD Ryzen 9 3950X, using M1217 and B2=1e13 for Step 2 to answer two questions:


does it make sense to run Step 2 on every CPU thread?
does it make sense to run...
Forum: GMP-ECM 2020-12-14, 23:22
Replies: 4
Views: 5,104
Posted By nordi
For reference, the benchmark was performed on...

For reference, the benchmark was performed on Linux like this:

#!/bin/bash

function launch_ecm {
echo '(2^1489-1) / 71473 / 27201739919 / 51028917464688167 / 13822844053570368983 /...
Forum: GMP-ECM 2020-12-14, 23:18
Replies: 4
Views: 5,104
Posted By nordi
gmp-ecm step 1 performance with hyperthreading

While there's some good information about gmp-ecm step 1 performance on a single core (https://www.mersenneforum.org/showthread.php?t=23245), and many postings about running multiple gmp-ecm...
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