> On 17 Jun 2018, at 10:52, Chris Stevens <c.stev...@ru.ac.za> wrote: > > Hi everyone, > > I am currently debugging some code and have been printing out (using either > CCTK_INFO and/or printf) debugging information at particular grid points > (LOCAL mode). > > From what I can tell, Cactus only allows output from one process, say rank 0, > to stop flooding of the output by printing everything once per process. > However if I am wanting data from a particular grid point, and this grid > point is not in the printing process, nothing will output. > > I have been getting around this by turning off MPI (fine for one iteration or > so) but now I am doing longer runs I need to be able to print out this > information with MPI. > > Thus my question: > > How can you force Cactus to print out a statement from any process? >
Add -roe to the Cactus command line and you will get separate output and error files from each process. -- Ian Hinder https://ianhinder.net
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