Caught amgx exception: Cannot allocate pinned memory
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Description
I am using amgx with PETSc (-pc_type amgx) to run multiphysics simulations. I am encountering this error even after having scaled down the problem size significantly.
Caught amgx exception: Cannot allocate pinned memory
I have attached the output and error log files for your reference. Thank you for any feedback you can provide.
Environment information:
- MINT OS
- CUDA runtime 12.3
- OpenMPI 4
- AMGX version 2.4
- CUDA driver 12.4
- NVIDIA V100
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Research direction
Start by reviewing the attached outlog.docx and errlog.docx, then examine the failure when AMGX is selected through PETSc with -pc_type amgx under the listed CUDA, OpenMPI, AMGX, and V100 environment. Done means establishing a reproducible cause for the pinned-memory allocation failure and documenting or implementing a verified resolution.
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Assessment
- Domain
- distributed-systems, hpc
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100