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Old 2020-07-01, 21:20   #89
EdH
 
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"Ed Hall"
Dec 2009
Adirondack Mtns

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Quote:
Originally Posted by Mr. Odd View Post
I'm using the wip version.

Interesting about the bold edit - the text in my make file looked nothing like what you quoted.

Sorry, my mistake, it was gcc-7.3.0 and my system now has gcc-9.2.1, so I mixed them up.

Eh, all's well that end's well.
B2 has probably changed it again! He does that, which is a good thing. It helps me keep on my toes and it shows he's actively improving the YAFU package. The yafu.ini file has changed in a big way just recently.
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Old 2020-08-10, 15:08   #90
sivandahan7
 
Aug 2020

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Hi,
Thank you for installation instructions,
It's looking good and working correctly !
But it's not working as I expecting,
According to "lscpu" command, I have 8 Cpu(s) and 2 threads per cpu,
Together it's 16 threads (this is the number I put on threads field of "yafu.ini" file),
According to "top" and "monitor" Ubuntu tools,
Actually I see yafu running on one cpu with 100% usage,
What about other cpus and why yafu does no use them ?
Do I miss something ?
Thanks a lot,
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Old 2020-08-10, 21:59   #91
EdH
 
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"Ed Hall"
Dec 2009
Adirondack Mtns

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Quote:
Originally Posted by sivandahan7 View Post
Hi,
Thank you for installation instructions,
It's looking good and working correctly !
But it's not working as I expecting,
According to "lscpu" command, I have 8 Cpu(s) and 2 threads per cpu,
Together it's 16 threads (this is the number I put on threads field of "yafu.ini" file),
According to "top" and "monitor" Ubuntu tools,
Actually I see yafu running on one cpu with 100% usage,
What about other cpus and why yafu does no use them ?
Do I miss something ?
Thanks a lot,
Thanks for the feedback. Only a couple things come to mind:

1. Make sure the yafu.ini file is in the directory that you are using to call YAFU.

2. Make sure that the threads line isn't commented out with a "%" symbol.

You might also try adding "-threads 16" (without quotes) to the command line and see if that works.
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Old 2020-08-11, 05:12   #92
sivandahan7
 
Aug 2020

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Hi,
Thank you for install instructions,
The instructions are very clear,
I installed "yafu" and it's working correctly,
But, as I see with "top" and "Monitor" tools thre is a 1 CPU with 100% usage,
According to instructions, needed to run "lscpu" and fill the "thread" filled in yafu.ini,
My machine have 8 cpu(s) and 2 threads per cpu,
Therefore my filled value is "16",
My question is actually why the other cpu(s) does not used ?
Do I miss something ?
Thanks,
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Old 2020-08-11, 08:15   #93
kruoli
 
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"Oliver"
Sep 2017
Porta Westfalica, DE

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Please try running something with SIQS. It should look something like this: ==== sieving in progress ( 16 threads): 82576 relations needed ====
In some steps, yafu does not use more then 1 thread. You might have to add prefer_gmpecm to the ini-file and make sure the GMP-ECM binary's location is set correctly.
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