VTimeLLM/flash-attention/csrc/cutlass/media/docs/pythonDSL/functionality.rst

.. _functionality:

Functionality
====================

The CUTLASS DSL 4.0 release supports **Python 3.12** only.  It shares the same driver requirements 
as the `CUDA Toolkit 12.9 <https://docs.nvidia.com/cuda/cuda-toolkit-release-notes/index.html>`__.
Specifically, the driver version must be 575.51.03 or later.

Currently, only Linux x86_64 is supported. Additional platform support will be added in future releases.

Supported MMA Operations
---------------------------------

**NVIDIA Ampere Architecture:**

- FP16 / BF16 tensor core instructions

**NVIDIA Hopper Architecture:**

- FP16 / BF16
- FP8

**NVIDIA Blackwell Architecture:**

- FP16 / BF16
- TF32
- I8
- F8

Notable Limitations
------------------------------

For current constraints and unsupported features, refer to the :doc:`limitations` section.