parallel custom made code

Danath · June 9, 2016, 14:51

Hello !

i write a routine in paramagnetic force and i want to parallel the code.

i use icouncoupled combined with icofoam to simulate the motion of particles.

It seems that i can't simulate many particles because of the time that dipole dipole forces are solved (74 sec 300 particles timestep = 1e-9)

Is there any tutorial ?

t.oliveira · June 13, 2016, 18:45

Does your routine operates in a cell at a time, or does it involve many cells in a single calculation?

Danath · April 25, 2017, 06:14

Quote:

Originally Posted by t.oliveira

Does your routine operates in a cell at a time, or does it involve many cells in a single calculation?

Hello and thanks for the reply

Many cells in a single calculation

t.oliveira · April 25, 2017, 07:32

If you write call your routine from inside a pre-existing loop such as icoFoam's "while (runTime.loop()){...}" it should normally inherit the parallelization that is already implemented in OpenFOAM. By this I mean that your routine will be called simultaneously for each subdomain of your mesh. Isn't it the case for you? Do you want to parallelize it further?

June 9, 2016, 14:51	parallel custom made code	#1
Danath Member Evangelos Join Date: Sep 2011 Posts: 87 Rep Power: 14	Hello ! i write a routine in paramagnetic force and i want to parallel the code. i use icouncoupled combined with icofoam to simulate the motion of particles. It seems that i can't simulate many particles because of the time that dipole dipole forces are solved (74 sec 300 particles timestep = 1e-9) Is there any tutorial ?

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June 13, 2016, 18:45		#2
t.oliveira Senior Member Thomas Oliveira Join Date: Apr 2015 Posts: 114 Rep Power: 12	Does your routine operates in a cell at a time, or does it involve many cells in a single calculation?

April 25, 2017, 07:32		#4
t.oliveira Senior Member Thomas Oliveira Join Date: Apr 2015 Posts: 114 Rep Power: 12	If you write call your routine from inside a pre-existing loop such as icoFoam's "while (runTime.loop()){...}" it should normally inherit the parallelization that is already implemented in OpenFOAM. By this I mean that your routine will be called simultaneously for each subdomain of your mesh. Isn't it the case for you? Do you want to parallelize it further?