investigate inverted elements in 32 rank od=8 run with NimbleSM

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investigate inverted elements in 32 rank od=8 run with NimbleSM #18

Open nmm0 opened 7 months ago

nmm0 commented 7 months ago

This is in the sphere_plate problem (x20)

srun: error: kn46: task 9: Aborted (core dumped)
det >= 0.0 NIMBLE_ASSERT failed at NimbleSM/src/nimble_utils.h +538
Error in Invert_Full33(), singular matrix

This is a very high overdecomposition factor for the number of ranks and the problem, so that might be the origin of the failure.