{"id":309185,"date":"2023-09-27T21:32:55","date_gmt":"2023-09-27T21:32:55","guid":{"rendered":"\/forum\/forums\/topic\/ansys-mechanical-apdl-gpu-acceleration-on-a100-help\/"},"modified":"2023-09-27T21:32:55","modified_gmt":"2023-09-27T21:32:55","slug":"ansys-mechanical-apdl-gpu-acceleration-on-a100-help","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ansys-mechanical-apdl-gpu-acceleration-on-a100-help\/","title":{"rendered":"Ansys Mechanical APDL GPU acceleration on A100 help"},"content":{"rendered":"

I’m trying to accelerate my finite element model that generates time-series responses using an HPC cluster of A100 gpus (4x per node). I’ve thrown the -acc nvidia and -na 4 flags in my executable for my slurm script and see the PCS output file register that GPU acceleration has been enabled but I’ve noticed a decrease in performance from our baseline workstation that contains only a few intel i7 cores (12 hours vs 14 hours). The solver being used is PCG while the gpus each have 40g of video mem. Besides the known flags to enable gpu acceleration, are there any additional steps that need to be taken to properly take advantage of acceleration in Ansys Mechanical?     <\/p>\n","protected":false},"template":"","class_list":["post-309185","topic","type-topic","status-closed","hentry","topic-tag-finite-element-analysis","topic-tag-gpu-acceleration","topic-tag-timeseriesresponse-1"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t