38 lines
1.2 KiB
Python
38 lines
1.2 KiB
Python
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# SPDX-License-Identifier: Apache-2.0
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# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
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from unittest.mock import mock_open, patch
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from vllm.platforms import _is_amd_zen_cpu
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def test_is_amd_zen_cpu_detects_amd_with_avx512():
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cpuinfo = "vendor_id: AuthenticAMD\nflags: avx avx2 avx512f avx512bw"
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with (
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patch("os.path.exists", return_value=True),
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patch("builtins.open", mock_open(read_data=cpuinfo)),
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):
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assert _is_amd_zen_cpu()
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def test_is_amd_zen_cpu_returns_false_for_amd_without_avx512():
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cpuinfo = "vendor_id: AuthenticAMD\nflags: avx avx2"
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with (
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patch("os.path.exists", return_value=True),
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patch("builtins.open", mock_open(read_data=cpuinfo)),
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):
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assert not _is_amd_zen_cpu()
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def test_is_amd_zen_cpu_returns_false_for_intel_with_avx512():
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cpuinfo = "vendor_id: GenuineIntel\nflags: avx avx2 avx512f"
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with (
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patch("os.path.exists", return_value=True),
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patch("builtins.open", mock_open(read_data=cpuinfo)),
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):
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assert not _is_amd_zen_cpu()
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def test_is_amd_zen_cpu_returns_false_when_cpuinfo_missing():
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with patch("os.path.exists", return_value=False):
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assert not _is_amd_zen_cpu()
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