NVIDIA/cutlass v4.3.4

CUTLASS 4.3.4

on GitHub

CuTe DSL

• New features

  • Added PDL support along with example Kernel launch with Programmatic Dependent Launch

• Bug fixing and improvements

  • Fixed a frame refcnt issue with cuda graph
  • Enhancement for tvm-ffi AoT case for earlier module unload
  • Fixed order issue in make_smem_layout_a in utils/hopper_helpers.py

CUTLASS C++

• Work around a driver TMA descriptor related bug which will cause occasionally errors on Blackwell when the tensor's backing memory allocation is less than 128KB and it is not a dense non-overlapping tensor.