For the complete documentation index, see llms.txt. Markdown versions of all pages are available by appending .md to any URL (e.g. /max/get-started.md).

Mojo function

group_start

def group_start()

Marks the start of a collective operation group.

Currently a no-op that exists as a drop-in placeholder for vendor CCL (ncclGroupStart / rcclGroupStart). Wrapping a series of collective calls between group_start() and group_end() allows a future implementation to batch them as a single fused CCL operation without changing call sites.

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