Jordan Northrop

mpi4py issue with large k-eigenvalue simulations in Lassen

5

On Lassen, MCDC breaks after the first eigenvalue cycle if the number of histories per cycle is larger than 1e5 and numba is enabled. ~~~ # k k (avg) ====...

I was adding a time census version of the inf_shem361 problem in our regression suite for testing some of the cell tally changes I made, but the mesh tally in...

In kernel.py pct_combing_weight sets pc_factor with the following code: ``` # Teeth distance td = W / M # Update population control factor mcdc["technique"]["pc_factor"] *= td # This may be...