Question #690973 on Yade changed:
https://answers.launchpad.net/yade/+question/690973
Jan Stránský posted a new comment:
> But I need a faster speed for the simulation by parallel computation.
So I use 96 core.
Would another usage of the power be meaningful, e.g. running in parallel
12
Question #690942 on Yade changed:
https://answers.launchpad.net/yade/+question/690942
Faqih Maarif posted a new comment:
Dear
Mr. Jan and Mr. Bruno
Thank you very much for your attention and cooperation
I already solve the problem.
Regards,
Faqih
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Question #690942 on Yade changed:
https://answers.launchpad.net/yade/+question/690942
Status: Answered => Solved
Faqih Maarif confirmed that the question is solved:
Thanks Jan Stránský, that solved my question.
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Question #690942 on Yade changed:
https://answers.launchpad.net/yade/+question/690942
Status: Answered => Open
Faqih Maarif is still having a problem:
Dear All
First of all, permission, I say thank you for an enlightening answer, and I
would like to apologize for not obeying the rules.
Question #690942 on Yade changed:
https://answers.launchpad.net/yade/+question/690942
Status: Open => Answered
Jan Stránský proposed the following answer:
> I have tested the compressive strength of the concrete cube (150mmx150mm)
> In modeling, I will consider stress and strain
New question #690973 on Yade:
https://answers.launchpad.net/yade/+question/690973
Dear friend
I meet a very strange question. Our Lab. take a new server and I install
the yade on the server. But I find that running on the server is slower than on
the PC.
(1) The hardware and
Question #690973 on Yade changed:
https://answers.launchpad.net/yade/+question/690973
Status: Open => Answered
Jan Stránský proposed the following answer:
Hello,
TLTR: do not compare -j8 and -j96, compare -j8 for both systems.
Difference of -j8 and -j96 is another problem not much related
Question #690973 on Yade changed:
https://answers.launchpad.net/yade/+question/690973
Son Pham Thai proposed the following answer:
Hi,
i have also used remote desktop PC to run yade. You should be very
clear on which one you think that it is slow: (1). YADE simulation
(running in the command
Question #690973 on Yade changed:
https://answers.launchpad.net/yade/+question/690973
Bruno Chareyre proposed the following answer:
Hi,
What you observe is actually expected:
XEON 4, 3.2GH
I7 3.6GH
The I7 is faster. HPC rarely outperform personal computers in per-core
performance.
Arguably,
Question #690973 on Yade changed:
https://answers.launchpad.net/yade/+question/690973
Janek Kozicki posted a new comment:
If you have a recent yade version you can do yade --stdperformance -jN
benchmark, with same N on both systems. If the speed is not stable,
because some different programs are
Question #690973 on Yade changed:
https://answers.launchpad.net/yade/+question/690973
Bruno Chareyre posted a new comment:
> If the performance is just depend on a core, that is a very terrible
message to me
Not really. The message was: 1/ of course you don't automatically gain speedup
by using
Question #689434 on Yade changed:
https://answers.launchpad.net/yade/+question/689434
Status: Open => Answered
Vasileios Angelidakis proposed the following answer:
Hi Jie,
> found that the smaller the particles, the more serious the problem
This is exactly the problem I have identified so
Question #690973 on Yade changed:
https://answers.launchpad.net/yade/+question/690973
Janek Kozicki posted a new comment:
Sorry, that was written in a hurry. I mean that you can use these two
commands to measure the computer performance using a standardized test.
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Question #690973 on Yade changed:
https://answers.launchpad.net/yade/+question/690973
Bruno Chareyre proposed the following answer:
Ah: and it is absolutely critical that you keep GUI turned *off*.
Else the comparisons are meaningless, you could be testing the GPU. You don't
use GUI for long
Question #690973 on Yade changed:
https://answers.launchpad.net/yade/+question/690973
Bruno Chareyre proposed the following answer:
> So I use 96 core.
Maybe it is a bad idea. Or maybe it is ok but it doesn't give much more
compared to, say, 48.
OpenMP may have an optimum somewhere and maybe it
Question #690973 on Yade changed:
https://answers.launchpad.net/yade/+question/690973
yang yi posted a new comment:
Janek Kozicki (cosurgi) , Jan Stránský (honzik) , Bruno Chareyre
(bruno-chareyre)
Thank you very much for answer my question. According to your
suggestion, I checked the
Question #690973 on Yade changed:
https://answers.launchpad.net/yade/+question/690973
yang yi posted a new comment:
1. Jan Stránský (honzik)
Than you very much for you quickly response. I explain as the follows
(1) The script
The script must import torch. The code is use to simulated
Question #690973 on Yade changed:
https://answers.launchpad.net/yade/+question/690973
Janek Kozicki posted a new comment:
run this command:
yade --stdperformance -j8
or this command:
yade --quickperformance -j8
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Question #689434 on Yade changed:
https://answers.launchpad.net/yade/+question/689434
weijie posted a new comment:
Hi Vasileios, and thank you again.
I will try to do it.
Best regards,
Jie
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