James D. Trotter

icon indicating a website link https://www.simula.no/people/james

icon company Simula Research Laboratory icon location Oslo, Norway icon location Postdoctoral researcher, High-Performance Computing at Simula Research Laboratory.

Results 4 issues of James D. Trotter

Using host memory and HYPRE_SetMemoryLocation(HYPRE_MEMORY_HOST) with CUDA enabled

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Hi! I have built hypre 2.23.0 with CUDA support. I am wondering if it is supported to set `HYPRE_SetMemoryLocation(HYPRE_MEMORY_HOST)` and to supply host-side pointers in calls to `HYPRE_IJMatrixSetValues` and `HYPRE_IJVectorSetValues`?...

numpytools: Do not import oldnumeric for newer versions of numpy

Note that oldnumeric was removed in numpy 1.9.0

Fix incorrect call to dist_psymbtonum when fact is SamePattern_SameRowPerm

Hi Sherry, I found this issue while testing a combination of reusing the row and column permutations (SamePattern_SameRowPerm) and using parallel symbolic factorisation. This would fail with the assertion: `ERROR:...

CombBLAS: Hang in MPI_Barrier when using HWPM together with 3D factorisation

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I encountered an issue when using SuperLU_dist's 3D factorisation algorithm (e.g., `pddrive3d`) together with CombBLAS for heavy-weight perfect matching (HWPM). This applies to the case where the depth of the...