[yt-users] Memory error and yt in parallel

Jean-Claude Passy jcpassy at gmail.com
Sun Mar 2 05:57:36 PST 2014

Hi everyone,

I am trying to analyze a unigrid simulation, 512^3 zones. Each dump has a size of ~ 7 GB.
I use the following script to get the angular momenta:


I am running it on a cluster with 1 core and 16GB. It typically runs fine for the first 2 dumps, then crashes on the third one when asking for AngularMomentumZ. I assume that I must not erase variables correctly. Does someone have any suggestion about how to optimize the script?

Also, would that make sense to run the script in parallel or would the root grid be duplicated on all processors?

Sorry for the naive questions, and thanks a lot for the help!

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