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Search: Posts Made By: kriesel
Forum: Information & Answers 2022-06-30, 18:22
Replies: 27
Views: 1,481
Posted By kriesel
Try 7 workers x 2 cores each. If that alone is...

Try 7 workers x 2 cores each.
If that alone is not satisfactory, try limiting memory used per worker. In undoc.txt:The Memory=n setting in local.txt refers to the total amount of memory the
program...
Forum: Information & Answers 2022-06-29, 19:30
Replies: 27
Views: 1,481
Posted By kriesel
Found in prime95's undoc.txt (emphasis mine): ...

Found in prime95's undoc.txt (emphasis mine):
Most FFT sizes have several implementations. The program uses throughput benchmark
data to select the fastest FFT implementation. The program assumes...
Forum: Information & Answers 2022-06-29, 19:00
Replies: 27
Views: 1,481
Posted By kriesel
Please stop routinely giving mprime "benchmark...

Please stop routinely giving mprime "benchmark amnesia". Files results.bench.txt and gwnum.txt are for ACCUMULATING performance data. Over time. I have systems that have run prime95 for years for...
Forum: Information & Answers 2022-06-28, 19:36
Replies: 27
Views: 1,481
Posted By kriesel
Memory situation looks pretty good to me. Log...

Memory situation looks pretty good to me. Log file shows up to 8 GB used in stage2, so 3 workers at a time could get all they want, and a fourth can get by on somewhat less. Additional workers could...
Forum: Information & Answers 2022-06-28, 05:48
Replies: 27
Views: 1,481
Posted By kriesel
As axn wrote, # of useful cores/worker is a...

As axn wrote, # of useful cores/worker is a function of fft size, which is a function of exponent.
I don't run 1M ECM, but run DC & first time primality test wavefront PRP, and up to 1G P-1, big...
Forum: Information & Answers 2022-06-27, 17:06
Replies: 27
Views: 1,481
Posted By kriesel
No. I've benchmarked up to 68 cores/worker on a...

No. I've benchmarked up to 68 cores/worker on a Xeon Phi 7250.
prime95 number of cores (threads) supported is 512 or 1024 https://mersenneforum.org/showpost.php?p=479009&postcount=202

Yes, you...
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