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mlverse / torch Public

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Fork 92
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Add POSIX shared memory transport for multi-worker dataloaders#1456

Merged

dfalbel merged 21 commits intomainmlverse/torch:mainfrom

victorious-carbonmlverse/torch:victorious-carbonCopy head branch name to clipboard

Apr 28, 2026

Conversation Commits21 (21)Checks Files changed

Merged

Add POSIX shared memory transport for multi-worker dataloaders#1456
dfalbel merged 21 commits intomainfrom
victorious-carbon

Commits

Commits on Apr 23, 2026

Add POSIX shared memory transport for multi-worker dataloaders
dfalbel
committed
Rename mori references to shm
dfalbel
committed
Add test that re-runs all dataloader tests with SHM transport
dfalbel
committed
Fix Windows build: move #ifdef inside function bodies
dfalbel
committed
Enable SHM transport by default on Unix, test both paths
dfalbel
committed
Fix writable SHM mappings, enable SHM by default on Unix
dfalbel
committed
Clean up unread SHM segments when iterator is finalized
dfalbel
committed
Add regression test for SHM cleanup on early iteration stop
dfalbel
committed
Handle zero-length tensors in SHM transfer path
dfalbel
committed
Handle non-tensor batch objects in SHM transport path
dfalbel
committed
Preserve list attributes in SHM roundtrip, drop torch_shared_batch class
dfalbel
committed
Keep SHM mappings alive for derived tensors
dfalbel
committed
Preserve requires_grad when round-tripping tensors through SHM
dfalbel
committed
Preserve aliasing when the same tensor appears multiple times in a batch
dfalbel
committed

Commits on Apr 24, 2026

Fall back to serialization when SHM allocation fails
dfalbel
committed
Respect explicit socket-transport override over SHM
dfalbel
committed
Preserve aliasing for repeated non-contiguous tensors
dfalbel
committed
Unlink already-created SHM segments when conversion fails partway
dfalbel
committed
Preserve canonical dtype names in SHM descriptors
dfalbel
committed
Guard 0-dim tensors before taking &shape[0] in SHM path
dfalbel
committed
Wait indefinitely for prefetched tasks during finalization
dfalbel
committed

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