NVIDIA/cutlass v4.5.2

CUTLASS 4.5.2

Repository: NVIDIA/cutlass

Tag: v4.5.2

Published: 2026-06-16T03:04:21Z

Prerelease: no

Release notes:

CuTe DSL

• New features
• Python 3.14t is now supported with GIL enabled

• Bug fixing and improvements
• Fixed following issues:

https://github.com/NVIDIA/cutlass/issues/3240 https://github.com/NVIDIA/cutlass/issues/3241

CUTLASS C++

• Fix missing convert fucntion in EVT for fp4 kernels.
• Avoid instantiate 2sm tma kernels where ctaN is none power of 64 when ctaN > 128 in profiler.