René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"alps_autotuning","articleBody":"NCCL and NVSHMEM backends will not work on Alps, because these communication libraries only support execution on infiniband networks while Alps is based on libfabric+slingshot.\n\nTo run on more than one node, disable full autotuning and select one communication backend; this will disable autotuning of the backend.\n\nChange from this:\n`! comm_backend = CUDECOMP_TRANSPOSE_COMM_MPI_P2P`\ncomm_backend = 0 ! Enable full autotuning`\n\nto this:\n`comm_backend = CUDECOMP_TRANSPOSE_COMM_MPI_P2P`\n`!comm_backend = 0 ! Enable full autotuning`\n\nYou can also set one of the following: \n`CUDECOMP_TRANSPOSE_COMM_MPI_P2P_PL `\n`CUDECOMP_TRANSPOSE_COMM_MPI_A2A`","author":{"url":"https://github.com/aroccon","@type":"Person","name":"aroccon"},"datePublished":"2026-02-20T12:21:09.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/10/MHIT36/issues/10"}