[SymmMem] Use global pe for put and get #162394
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🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/162394
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markc-614
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Sep 17, 2025
NVSHMEM put/get APIs take global PE instead of local counterpart. So we'd need to do a translation within the kernel. Also added a sub-group test for dispatch and combine mimic'ing the Expert Parallel cases. Pull Request resolved: pytorch#162394 Approved by: https://github.com/ngimel, https://github.com/fegin ghstack dependencies: pytorch#162320
mansiag05
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Sep 22, 2025
NVSHMEM put/get APIs take global PE instead of local counterpart. So we'd need to do a translation within the kernel. Also added a sub-group test for dispatch and combine mimic'ing the Expert Parallel cases. Pull Request resolved: pytorch#162394 Approved by: https://github.com/ngimel, https://github.com/fegin ghstack dependencies: pytorch#162320
cleonard530
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Sep 22, 2025
NVSHMEM put/get APIs take global PE instead of local counterpart. So we'd need to do a translation within the kernel. Also added a sub-group test for dispatch and combine mimic'ing the Expert Parallel cases. Pull Request resolved: pytorch#162394 Approved by: https://github.com/ngimel, https://github.com/fegin ghstack dependencies: pytorch#162320
dsashidh
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Sep 26, 2025
NVSHMEM put/get APIs take global PE instead of local counterpart. So we'd need to do a translation within the kernel. Also added a sub-group test for dispatch and combine mimic'ing the Expert Parallel cases. Pull Request resolved: pytorch#162394 Approved by: https://github.com/ngimel, https://github.com/fegin ghstack dependencies: pytorch#162320
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Stack from ghstack (oldest at bottom):
NVSHMEM put/get APIs take global PE instead of local counterpart. So we'd need to do a translation within the kernel.
Also added a sub-group test for dispatch and combine mimic'ing the Expert Parallel cases.
cc @H-Huang @awgu @wanchaol @fegin @fduwjj @wz337 @wconstab @d4l3k @pragupta @ezyang @msaroufim