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For the complete Mojo documentation index, see llms.txt. Markdown versions of all pages are available by appending .md to any URL (e.g. /docs/manual/basics.md).

cluster_arrive

cluster_arrive()

Signals arrival at a cluster synchronization point with memory ordering guarantees.

This function ensures all prior memory operations from this thread block are visible to other thread blocks in the cluster before proceeding. Only supported on NVIDIA SM90+ GPUs.