.. _compatibility_matrix:

Compatibility Matrix
====================

The tables below show mutually exclusive features and the support on some hardware. 

.. note::

   Check the '✗' with links to see tracking issue for unsupported feature/hardware combination.

Feature x Feature
-----------------


.. raw:: html

    <style>
      /* Make smaller to try to improve readability  */
      td {
        font-size: 0.8rem;
        text-align: center;
      }

      th {
        text-align: center;
        font-size: 0.8rem;
      }
    </style>

.. list-table::
   :header-rows: 1
   :widths: auto

   * - Feature
     - :ref:`CP <chunked-prefill>`
     - :ref:`APC <apc>`
     - :ref:`LoRA <lora>`
     - :abbr:`prmpt adptr (Prompt Adapter)`
     - :ref:`SD <spec_decode>`
     - CUDA graph
     - :abbr:`enc-dec (Encoder-Decoder Models)`
     - :abbr:`logP (Logprobs)`
     - :abbr:`prmpt logP (Prompt Logprobs)`
     - :abbr:`async output (Async Output Processing)`
     - multi-step
     - :abbr:`MM (Multimodal)`
     - best-of
     - beam-search
     - :abbr:`guided dec (Guided Decoding)`
   * - :ref:`CP <chunked-prefill>`
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
   * - :ref:`APC <apc>`
     - ✅
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
   * - :ref:`LoRA <lora>`
     - `✗ <https://github.com/vllm-project/vllm/pull/9057>`__ 
     - ✅
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
   * - :abbr:`prmpt adptr (Prompt Adapter)`
     - ✅
     - ✅
     - ✅
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
   * - :ref:`SD <spec_decode>`
     - ✗
     - ✅
     - ✗
     - ✅
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
   * - CUDA graph
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
   * - :abbr:`enc-dec (Encoder-Decoder Models)`
     - ✗
     - `✗ <https://github.com/vllm-project/vllm/issues/7366>`__ 
     - ✗ 
     - ✗
     - `✗ <https://github.com/vllm-project/vllm/issues/7366>`__ 
     - ✅
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
   * - :abbr:`logP (Logprobs)`
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
     - 
     - 
     - 
     - 
     - 
     - 
     - 
     - 
   * - :abbr:`prmpt logP (Prompt Logprobs)`
     - ✅
     - ✅
     - ✅
     - ✅
     - `✗ <https://github.com/vllm-project/vllm/pull/8199>`__ 
     - ✅
     - ✅
     - ✅
     - 
     - 
     - 
     - 
     - 
     - 
     - 
   * - :abbr:`async output (Async Output Processing)`
     - ✅
     - ✅
     - ✅
     - ✅
     - ✗
     - ✅ 
     - ✗
     - ✅
     - ✅
     - 
     - 
     - 
     - 
     - 
     - 
   * - multi-step
     - ✗
     - ✅
     - ✗
     - ✅
     - ✗
     - ✅
     - ✗
     - ✅
     - `✗ <https://github.com/vllm-project/vllm/issues/8198>`__ 
     - ✅
     - 
     - 
     - 
     - 
     - 
   * - :abbr:`MM (Multimodal)`
     -  `✗ <https://github.com/vllm-project/vllm/pull/8346>`__ 
     -  `✗ <https://github.com/vllm-project/vllm/pull/8348>`__ 
     -  `✗ <https://github.com/vllm-project/vllm/pull/7199>`__ 
     - ?
     - ?
     - ✅
     - ✗
     - ✅
     - ✅
     - ✅
     - ?
     - 
     - 
     - 
     - 
   * - best-of
     - ✅
     - ✅
     - ✅
     - ✅
     - `✗ <https://github.com/vllm-project/vllm/issues/6137>`__ 
     - ✅
     - ✅
     - ✅
     - ✅
     - ?
     - `✗ <https://github.com/vllm-project/vllm/issues/7968>`__ 
     - ✅
     - 
     - 
     - 
   * - beam-search
     - ✅
     - ✅
     - ✅
     - ✅
     - `✗ <https://github.com/vllm-project/vllm/issues/6137>`__ 
     - ✅
     - ✅
     - ✅
     - ✅
     - ?
     - `✗ <https://github.com/vllm-project/vllm/issues/7968>`__ 
     - ?
     - ✅
     - 
     - 
   * - :abbr:`guided dec (Guided Decoding)`
     - ✅
     - ✅
     - ?
     - ?
     - ✅
     - ✅
     - ?
     - ✅
     - ✅
     - ✅
     - `✗ <https://github.com/vllm-project/vllm/issues/8985>`__ 
     - ?
     - ✅
     - ✅
     - 


Feature x Hardware
^^^^^^^^^^^^^^^^^^

.. list-table::
   :header-rows: 1
   :widths: auto

   * - Feature
     - Volta
     - Turing
     - Ampere
     - Ada
     - Hopper
     - CPU
     - AMD
   * - :ref:`CP <chunked-prefill>`
     - `✗ <https://github.com/vllm-project/vllm/issues/2729>`__ 
     - ✅
     - ✅
     - ✅
     - ✅
     - ✗ 
     - ✅
   * - :ref:`APC <apc>`
     - `✗ <https://github.com/vllm-project/vllm/issues/3687>`__ 
     - ✅
     - ✅
     - ✅
     - ✅
     - ✗
     - ✅
   * - :ref:`LoRA <lora>`
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
     - `✗ <https://github.com/vllm-project/vllm/pull/4830>`__ 
     - ✅
   * - :abbr:`prmpt adptr (Prompt Adapter)`
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
     - `✗ <https://github.com/vllm-project/vllm/issues/8475>`__ 
     - ✅
   * - :ref:`SD <spec_decode>`
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
   * - CUDA graph
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
     - ✗
     - ✅
   * - :abbr:`enc-dec (Encoder-Decoder Models)`
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
     - `✗ <https://github.com/vllm-project/vllm/blob/a84e598e2125960d3b4f716b78863f24ac562947/vllm/worker/cpu_model_runner.py#L125>`__ 
     - ✗
   * - :abbr:`logP (Logprobs)`
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
   * - :abbr:`prmpt logP (Prompt Logprobs)`
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
   * - :abbr:`async output (Async Output Processing)`
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
     - ✗
     - ✗
   * - multi-step
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
     - `✗ <https://github.com/vllm-project/vllm/issues/8477>`__ 
     - ✅
   * - :abbr:`MM (Multimodal)`
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
   * - best-of
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
   * - beam-search
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
   * - :abbr:`guided dec (Guided Decoding)`
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅
     - ✅