NVIDIA Rubin

async_copy

clc

Cluster Launch Control (CLC) for Blackwell (SM100+) dynamic persistent kernels.

float2

mbarrier

tma

allocate_tensor_memory

Allocate tensor memory.

async_store

Store a tensor to shared memory asynchronously and signal an mbarrier on completion.

fence_async_shared

Issue a fence to complete asynchronous shared memory operations.

mma_v2

tensor_memory_descriptor

Represents a tensor memory descriptor handle for Tensor Core Gen5 operations.

tensor_memory_descriptor_type

tcgen05_commit

This instruction causes the provided mbarrier to be arrived-on with a count of 1 when all async tcgen05 MMA and copy instructions previously issued by the thread are complete.

tcgen05_copy

Start an asynchronous copy from shared memory to tensor memory.

tcgen05_mma

Emit a 5th generation TensorCore MMA instruction.

tcgen05_mma_barrier_count

Calculate the number of CTAs that will commit the tcgen05 MMA instruction.

tcgen05_mma_scaled

Emit a 5th generation TensorCore MMA scaled instruction.

TensorMemoryLayout

Describes the layout for tensor memory in Blackwell architecture.

TensorMemoryScalesLayout

Describes the layout for tensor memory scales in Rubin architecture.