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UCP/PROTO/MULTI: Preserve combined minimum for rendezvous - #11686
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…ining-bw # Conflicts: # src/ucp/proto/proto_multi.c
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What?
Restore the combined minimum size for multi-lane protocols while preserving short direct GET operations.
Why?
Multi-rail rendezvous became eligible too early, replacing eager at 128 bytes and causing a CUDA bandwidth regression.
Internal issue