32 lines
1.0 KiB
Python
32 lines
1.0 KiB
Python
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# SPDX-License-Identifier: Apache-2.0
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from unittest.mock import patch
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import pytest
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import torch
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from tests.kernels.utils import override_backend_env_variable
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from vllm.attention.selector import _cached_get_attn_backend, get_attn_backend
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from vllm.platforms.rocm import RocmPlatform
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@pytest.fixture(autouse=True)
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def clear_cache():
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"""Clear lru cache to ensure each test case runs without caching.
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"""
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_cached_get_attn_backend.cache_clear()
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def test_selector(monkeypatch):
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"""Test that the attention selector for ROCm.
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"""
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override_backend_env_variable(monkeypatch, "ROCM_FLASH")
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with patch("vllm.attention.selector.current_platform", RocmPlatform()):
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backend = get_attn_backend(16, torch.float16, torch.float16, 16, False)
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assert backend.get_name() == "ROCM_FLASH"
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# mla test for deepseek related
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backend = get_attn_backend(576, torch.bfloat16, "auto", 16, False,
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False, True)
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assert backend.get_name() == "TRITON_MLA"
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