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Search: Posts Made By: kriesel
Forum: GpuOwl 2021-06-27, 20:28
Replies: 29
Views: 4,209
Posted By kriesel
26... Is that considered a lot? I remember when I...

26... Is that considered a lot? I remember when I thought 12 was. Or dual-quad-core Xeon was a lot of cpu power. Or dual-pentium-mmx-200. Or 386-33 with two levels of caching (subsequently upgraded...
Forum: GpuOwl 2021-06-27, 04:05
Replies: 29
Views: 4,209
Posted By kriesel
The time to buy Radeon VIIs was about a year ago;...

The time to buy Radeon VIIs was about a year ago; new with 2 year warranty for $600-750 each. Later I picked some up used for about the same price range. Each Radeon VII, properly tuned with a good...
Forum: GpuOwl 2021-06-26, 16:18
Replies: 29
Views: 4,209
Posted By kriesel
Note...

Note (https://en.wikipedia.org/wiki/Pollard's_p_%E2%88%92_1_algorithm) how aM is computed for stage 1 (mod Mp in our usage), and needed and used in stage 2. The unavailability to user B of user A's...
Forum: GpuOwl 2021-06-19, 10:26
Replies: 29
Views: 4,209
Posted By kriesel
Also, please run and submit benchmarks for your...

Also, please run and submit benchmarks for your GPU as described near the top of https://www.mersenne.ca/cudalucas.php which is particularly in need of RX 6xxx benchmarks.
Forum: GpuOwl 2021-06-18, 15:27
Replies: 29
Views: 4,209
Posted By kriesel
Or as I do, get a block of ~30 manual assignments...

Or as I do, get a block of ~30 manual assignments for ~18 hours of a Radeon VII GPU, check the GPU72 bounds at mersenne.ca for the highest exponent in the block, and use those bounds on all of them....
Forum: GpuOwl 2021-06-17, 18:46
Replies: 29
Views: 4,209
Posted By kriesel
If P-1 is needed, gpuowl 7.x do PRP from the...

If P-1 is needed, gpuowl 7.x do PRP from the start, and P-1 stage 1 powers are assembled from PRP interim computations, which reduces stage 1 cost to about 10% of a standalone run. However, this...
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