2025-02-02 14:58:18 -05:00
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# SPDX-License-Identifier: Apache-2.0
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2024-08-15 19:39:04 -07:00
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import os
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import pytest
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from ..utils import compare_two_settings, fork_new_process_for_each_test
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@pytest.mark.parametrize("PP_SIZE, MODEL_NAME", [
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(2, "JackFram/llama-160m"),
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])
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@pytest.mark.parametrize("ATTN_BACKEND", [
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"FLASH_ATTN",
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"FLASHINFER",
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])
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@fork_new_process_for_each_test
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def test_pp_cudagraph(PP_SIZE, MODEL_NAME, ATTN_BACKEND):
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cudagraph_args = [
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# use half precision for speed and memory savings in CI environment
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"--dtype",
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"float16",
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"--pipeline-parallel-size",
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str(PP_SIZE),
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"--distributed-executor-backend",
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"mp",
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]
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os.environ["VLLM_ATTENTION_BACKEND"] = ATTN_BACKEND
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eager_args = cudagraph_args + ["--enforce-eager"]
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compare_two_settings(MODEL_NAME, eager_args, cudagraph_args)
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