Good finding (#14). Not a bug then, closing.
** Changed in: yade
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1814052
Title:
Unreproductible simulation (one core,
here is the packing
** Attachment added: "simple_shear_packing.py"
https://bugs.launchpad.net/yade/+bug/1814052/+attachment/5234712/+files/simple_shear_packing.py
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I think I have found the parameter which was making my simulation
unreproducible :
In the Pyrunner, the checker is working with "realtime"... I didn't know but
this the CPU time which can vary in function of how my computer is busy.
By replacing "realtime" by "iterPeriod", for a same packing
*In all cases I am executing yade -j1 mwe.py
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Title:
Unreproductible simulation (one core, one computer, one script) with a
tutorial example
I am able to reproduce the described behavior using both
makeCloud(seed=1) and regularHexa.
** Attachment added: "plots.zip"
https://bugs.launchpad.net/yade/+bug/1814052/+attachment/5234639/+files/plots.zip
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>not running in parallel, so differences due to rounding in calculation
should not exist, do they ?
No.
That's why I closed, then re-opened the bug. :)
Let's see if someone can reproduce it.
Bruno
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> Luc Sibille (luc-sibille) by one core I mean Yade is not running in
> parallel, so differences due to rounding in calculation should not
> exist, do they ?
Actually I cannot answer, I do not know sufficiently computers and Yade
(not sure for instance there are not any part of the computation in
Robert Caulk (rcaulk)and Jan Stránský (honzik), from the yade interface
the simulation can be saved and loaded, that is how I saved the initial
packing and I loaded it each time.
Luc Sibille (luc-sibille) by one core I mean Yade is not running in
parallel, so differences due to rounding in
Hello,
Could it be related to that:
https://www.mail-archive.com/yade-dev@lists.launchpad.net/msg03562.html
even if you seem to use a single core?
Luc
Le 31/01/2019 à 10:47, Clerc Adriane a écrit :
> ** Attachment added: "Report"
>
>
Hello,
> Sorry I forgot to underline the fact that my packing is the same for
each run.
please provide the exact script you are using. There is no packing loading in
the current script..
Or the information how you load the packing..
thanks
Jan
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I cannot find anywhere in your scripts where you are saving
scenes/packings, loading scenes/packings or resetting the scene.
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Title:
Sorry I forgot to underline the fact that my packing is the same for
each run. I create it once and I load it 4 times, closing and opening
Yade between two runs.
** Attachment added: "packing"
https://bugs.launchpad.net/yade/+bug/1814052/+attachment/5234582/+files/simul_bug1
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makeCloud is a random generation of spheres [1]. Use the seed argument
if you want the same packing twice.
[1]https://yade-dem.org/doc/yade.pack.html
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** Attachment added: "Report"
https://bugs.launchpad.net/yade/+bug/1814052/+attachment/5234557/+files/report_v2.pdf
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Title:
** Attachment added: "Script"
https://bugs.launchpad.net/yade/+bug/1814052/+attachment/5234556/+files/simple_shear_bug.py
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https://bugs.launchpad.net/bugs/1814052
Title:
Please provide all necessary information to allow a developer to
reproduce your bug. For example, a running script, your method of yade
installation, and exact results that you are observing from said script.
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