Jim, Thanks for the slides. In Stephen's presentation today, it seems with existing techniques, i.e., adding CPU MPI callback nodes in CUDA graphs, one can solve the MPI GPU problem. Is my understanding correct? Thanks -- Junchao Zhang From: mpiwg-hybridpm <[email protected]> on behalf of Jim Dinan via mpiwg-hybridpm <[email protected]> Date: Wednesday, March 10, 2021 at 8:34 PM To: Hybrid working group mailing list <[email protected]> Cc: Jim Dinan <[email protected]> Subject: Re: [mpiwg-hybridpm] Hybrid/Accelerator WG Meeting Hi All, I've posted Stephen's slides: https://github.com/mpiwg-hybrid/hybrid-issues/tree/master/slides Best, ~Jim. On Mon, Mar 8, 2021 at 11:21 AM Jim Dinan <[email protected]<mailto:[email protected]>> wrote: Hi All, We have an invited speaker this week at the HACC WG: Topic: CUDA Deep Dive For the MPI Forum HACC WG When: Wednesday, March 10 10-11:00am ET Connection Info: https://github.com/mpiwg-hybrid/hybrid-issues/wiki Speaker: Stephen Jones, NVIDIA Stephen Jones is one of the architects of CUDA, working on defining the language, the platform, and the hardware that it runs on, to span the needs of parallel programming from high performance computing to artificial intelligence. Prior to his present position, he lead the Simulation & Analytics group at SpaceX, working on large-scale simulation of rocket engines. He has worked in diverse other industries, including networking, CAD/CAM, and scientific computing. He has been a part of CUDA since 2008. Cheers, ~Jim. PS - Apologies for cross posting on the main list. If you would like to continue receiving emails relating to the Hybrid & Accelerator WG, please sign up for the mailing list here: https://lists.mpi-forum.org/mailman/listinfo/mpiwg-hybridpm.