CUTLASS 4.6.3

CuTe DSL

• Bug fixing and improvements
  • Fixed a failed kernel compilation issue when setmaxnreg is used together with specific warp-specialized patterns
    (!3382)
  • Fixed a leak with jit/kernel decorator (!3421)
  • Fixed bugs in cutlass.jax.cutlass_call with tensor aliasing and handling of optional tensors
  • Reduced the protobuf version requirement of IKET profiler from 6.30 to 4.21
  • Fixed import time write to CUTE_DSL_LIBS (!3462)
  • Fixed export_to_c outputs i32 dynamic shapes in headers for i64 inputs (!3447)
  • Improved performance of constructing cutlass.Numeric from Python value (!3443)
  • Fixed TVM-FFI env stream detection for GPU tensors in tuple
    (!3444)
  • Fixed TVM-FFI error when passed a tensor with non-zero byte offset
    (!3450)

This release has been tested against the following packages:

• FlashAttention: main (a369df7)
• Quack: main (680ef82)
• FlashInfer: main (0263dc2)
• cuDNN-Frontend:deveop(ab9efe15)
• Pytorch: main(cf30153)