Mojo function

block_rank_in_cluster

block_rank_in_cluster() -> SIMD[uint32, 1]

Returns the unique identifier (rank) for the current thread block within its cluster.

Note: - Only supported on NVIDIA SM90+ GPUs. - Maps directly to the %cluster_ctarank special register in CUDA PTX.

Returns:

A unique identifier in the range [0, cluster_size-1] where cluster_size is the total number of thread blocks in the cluster.

Was this page helpful?

Thank you! We'll create more content like this.

Thank you for helping us improve!

😔 What went wrong?

Some code doesn’t work

It includes inaccurate information

It's missing information I need

It was difficult to understand

Other

Submit