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Search: Posts Made By: frmky
Forum: NFS@Home 2022-05-14, 05:25
Replies: 46
Views: 3,125
Posted By frmky
It's now done. 4FjKuTTS

It's now done.
4FjKuTTS
Forum: And now for something completely different 2022-05-13, 16:34
Replies: 75
Views: 2,855
Posted By frmky
Placing this in $HOME/.gprc also fixes it. \\...

Placing this in $HOME/.gprc also fixes it.
\\ Limit PARI stack size to 1000 Mbytes = 10*10^8 bytes
parisizemax = 1000M

\\ Set PARI typical stack size to 40 Mbytes = 4*10^7 bytes (will grow as...
Forum: And now for something completely different 2022-05-12, 22:32
Replies: 75
Views: 2,855
Posted By frmky
You can also do something like FILES="primo*" ...

You can also do something like
FILES="primo*"
for f in $FILES
do
NUM=$(grep 'N$=' $f | sed '/^N$=/!d;s///;q')
mpirun -np 32 ecpp-mpi -v -n "0x$NUM" -f cert-$f
done
On a related note, I've...
Forum: And now for something completely different 2022-05-12, 04:15
Replies: 75
Views: 2,855
Posted By frmky
ecpp only outputs Pari/gp format. Pari/gp...

ecpp only outputs Pari/gp format. Pari/gp supports converting that to Primo format.
Forum: And now for something completely different 2022-05-12, 03:18
Replies: 75
Views: 2,855
Posted By frmky
It is built on GMP and MPFR, which are well...

It is built on GMP and MPFR, which are well optimized for common architectures.
Forum: XYYXF Project 2022-05-11, 23:38
Replies: 34
Views: 13,961
Posted By frmky
I'll take (7035,34) next.

I'll take (7035,34) next.
Forum: And now for something completely different 2022-05-11, 19:16
Replies: 75
Views: 2,855
Posted By frmky
Here's a small change that will allow idle MPI...

Here's a small change that will allow idle MPI workers to yield their core. I've sent this to Andreas in case he wants to use it. With this change I can use one worker per hyperthread without slowing...
Forum: XYYXF Project 2022-05-11, 07:38
Replies: 34
Views: 13,961
Posted By frmky
Done. Now running 3201_1772, 3225_1678, and...

Done. Now running 3201_1772, 3225_1678, and 3392_1209.
Forum: XYYXF Project 2022-05-11, 02:42
Replies: 34
Views: 13,961
Posted By frmky
Done in 5.7 hours. Phase 2 took the time for the...

Done in 5.7 hours. Phase 2 took the time for the largest step, 1.4 hours. Now working on 3155_1966.
Forum: XYYXF Project 2022-05-10, 20:13
Replies: 34
Views: 13,961
Posted By frmky
Sorry, I didn't notice this thread! I'll do...

Sorry, I didn't notice this thread! I'll do (3594,697).
Forum: XYYXF Project 2022-05-10, 20:08
Replies: 505
Views: 120,930
Posted By frmky
Oops, I missed that. I'll do (3594,697) then.

Oops, I missed that. I'll do (3594,697) then.
Forum: XYYXF Project 2022-05-10, 18:32
Replies: 505
Views: 120,930
Posted By frmky
I'll give (3042,2231) a go. I think it should...

I'll give (3042,2231) a go. I think it should take only a few hours on six 20-core nodes.
Forum: And now for something completely different 2022-05-10, 18:16
Replies: 75
Views: 2,855
Posted By frmky
Running one process per core reduced the time for...

Running one process per core reduced the time for the second phase to 3.7 hours (the time of the longest step), and the total time to 27 hours.
Forum: Msieve 2022-05-10, 18:13
Replies: 103
Views: 11,991
Posted By frmky
That's a BIOS issue. Google says to look for...

That's a BIOS issue. Google says to look for options deep in the BIOS menus like PCI Express 64-bit BAR Support, large BARs, or above 4G decoding.
Forum: And now for something completely different 2022-05-10, 16:52
Replies: 75
Views: 2,855
Posted By frmky
Yes No No That's right. In a homogenous...

Yes
No
No
That's right. In a homogenous cluster one typically uses a shared file system to host the binaries and input files, but identical directories on separate file systems will work.
Yes,...
Forum: And now for something completely different 2022-05-10, 14:10
Replies: 75
Views: 2,855
Posted By frmky
Certification of a 15k digit prime, 2^49831-3637,...

Certification of a 15k digit prime, 2^49831-3637, took 29.7 hours using 12x Xeon E5-2670 v2 cpus with a total of 120 cores and 240 hyperthreads. The longest step of the second phase took 6.3 hours to...
Forum: Msieve 2022-05-09, 22:08
Replies: 103
Views: 11,991
Posted By frmky
If nvidia-smi doesn't see it, then msieve won't....

If nvidia-smi doesn't see it, then msieve won't. Perhaps you need to reinstall the CUDA driver with the M40 installed?
Forum: NFS@Home 2022-05-09, 17:56
Replies: 50
Views: 3,028
Posted By frmky
42223_228 has finished. AhPtzvn3

42223_228 has finished.

AhPtzvn3
Forum: NFS@Home 2022-05-09, 16:45
Replies: 46
Views: 3,125
Posted By frmky
221110919_31m1 is factored. qh0KBQ3u

221110919_31m1 is factored.

qh0KBQ3u
Forum: And now for something completely different 2022-05-09, 05:10
Replies: 75
Views: 2,855
Posted By frmky
Certification of a 10k digit prime, 2^33217+111,...

Certification of a 10k digit prime, 2^33217+111, took 20 hours using 2x Xeon E5-2670 v2 cpus with a total of 20 cores and 40 hyperthreads.
Forum: NFS@Home 2022-05-08, 19:03
Replies: 46
Views: 3,125
Posted By frmky
C192_785232_11564 is done. 5A226M63

C192_785232_11564 is done.

5A226M63
Forum: And now for something completely different 2022-05-08, 18:54
Replies: 75
Views: 2,855
Posted By frmky
That's all that was needed.

That's all that was needed.
Forum: NFS@Home 2022-05-08, 05:43
Replies: 19
Views: 1,702
Posted By frmky
C203_145_119 is done. WPa6YAhW

C203_145_119 is done.

WPa6YAhW
Forum: And now for something completely different 2022-05-08, 04:15
Replies: 75
Views: 2,855
Posted By frmky
FactorDB says "No input number found in file."...

FactorDB says "No input number found in file." The beginning of the converted file is below. What needs tweaking?

[PRIMO - Primality Certificate]
Format=4
TestCount=274

[Comments]
Generated...
Forum: NFS@Home 2022-05-07, 05:33
Replies: 46
Views: 3,125
Posted By frmky
7p5_875M wants more sieving. found 47...

7p5_875M wants more sieving.

found 47 duplicates and 521715928 unique relations
memory use: 2387.0 MB
reading ideals above 720000
commencing singleton removal, initial pass
memory use: 11024.0...
Showing results 1 to 25 of 1000

 
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