CUTLASS 4.2.1

CuTe DSL

• Bug fixings and improvements
  • Fixed an issue when running DSL codes with cuda-python 13.0
  • Fixed an issue when running inductor with DSL codes
  • Fixed an issue with unexpected logging when running DSL codes in FlashInfer
  • Fixed the issue reported in #2647
  • Fixed an issue when conditional define of variables outside of dynamic control flow

CUTLASS C++

• Bypass EVT for nosmem blockwise kernels on Blackwell.
• Rename cutlass/python/cutlass directory to cutlass/python/cutlass_cppgen.