CUDA error when running mcrx with dust emission

[Jerome Fang]

Hi all,

I've run into the following CUDA error when running mcrx with IR turned on. The error happens in the optically thick IR shooting stage. I'm processing the GADGET "Sbc" galaxy snapshots from Jonsson+2010 using the GPUs on Pleiades at NASA Ames. Below is from the mcrx output. Has anyone else encounter a similar error or have any suggestions?

Calculating dust emission SED for grain species 4

Calculating thermal equilibrium grain emission

Performing the CUDA calculation in 1 blocks of 657539 cells.

Running block of cells 0 - 657538 padded to 657551

CUDA error: invalid argument

mcrx: cuda_grain_temp.cu:50: bool checkerr(): Assertion `err==cudaSuccess' failed.

/var/spool/pbs/mom_priv/jobs/1405068.pbspl1.nas.nasa.gov.SC: line 43: 69732 Aborted                 (core dumped) /home1/jfang/sunrise/sunrise-cuda-optimized/src/mcrx /home1/jfang/runs/Sbc11i4-u4/batch_ir/mcrx-snapshot_007-23721.config

Thanks,

Jerome