[Gate-users] Jobs killed "memory exceeded"?

[John Apostolakis]

Dear Amy,

I see a couple of possibilities for your problem: 
1) that the number of particles in flight becomes too large for your memory; this may be due to the processes which create the optical photon, your initial energy, or a new strategy for deciding the order in which tracks are selected for tracking;
2) That the output you are trying to create is too big.
What type of output ate you creating?
3) there is a bug somewhere, and it creates a memory leak.

Can you provide information about what version of GATE you use and the the version of Geant4.

Also can you give more information about the crash you get, how many tracks/effects have been processed, and the amount of memory your machine has.

Best regards,
John

On September 14, 2014 2:55:20 PM CEST, Amy Meldrum <ameldru at g.clemson.edu> wrote:
>Gate users,
>
>I have been running simulations using optical photons that run to
>completion when I am using a beta source. However, when I change the
>source
>to an alpha source, suddenly all of my simulations only run for a few
>minutes before being killed. It seems like the memory usage skyrockets
>beyond some limit and get killed.
>
>Why would changing only the source do this? Is there something I can do
>to
>stop this from happening? The simulation runs fine for a few particles,
>but
>I am not sure why it would behave like this.
>
>
>Please help. Thank you,
>
>Amy
>
>
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