1248e8506a
Co-authored-by: Your Name <you@example.com> Co-authored-by: Zeqi Lin <zelin@microsoft.com> Co-authored-by: Zeqi Lin <Zeqi.Lin@microsoft.com>
112 lines
3.4 KiB
Python
112 lines
3.4 KiB
Python
"""Compare the outputs of HF and vLLM for moe models using greedy sampling.
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Run `pytest tests/models/test_phimoe.py`.
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"""
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import pytest
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import torch
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from vllm.utils import is_cpu
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from .utils import check_logprobs_close
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MODELS = [
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"microsoft/Phi-3.5-MoE-instruct",
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]
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def test_phimoe_routing_function():
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from vllm.model_executor.models.phimoe import phimoe_routing_function
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test_case = {
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0: {
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"hidden_states":
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torch.tensor([1, 2, 3, 4, 5, 6, 7, 8],
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dtype=torch.float32,
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requires_grad=False).view(4, 2),
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"gating_output":
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torch.tensor([0.1, 0.2, 0.3, 0.4],
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dtype=torch.float32,
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requires_grad=False),
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"topk":
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2,
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"renormalize":
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False,
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},
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1: {
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"hidden_states":
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torch.tensor([1, 2, 3, 4, 5, 6, 7, 8],
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dtype=torch.float32,
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requires_grad=False).view(4, 2),
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"gating_output":
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torch.tensor([0.4, 0.2, 0.3, 0.4],
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dtype=torch.float32,
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requires_grad=False),
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"topk":
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2,
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"renormalize":
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False,
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}
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}
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ground_truth = {
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0: {
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"topk_weights":
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torch.tensor([1., 1.], dtype=torch.float32, requires_grad=False),
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"topk_ids":
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torch.tensor([3, 2], dtype=torch.long, requires_grad=False),
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},
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1: {
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"topk_weights":
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torch.tensor([0.5, 1.], dtype=torch.float32, requires_grad=False),
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"topk_ids":
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torch.tensor([0, 3], dtype=torch.long, requires_grad=False),
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}
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}
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for test_id in test_case:
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topk_weights, topk_ids = phimoe_routing_function(**test_case[test_id])
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assert torch.allclose(topk_weights,
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ground_truth[test_id]["topk_weights"])
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assert torch.equal(topk_ids, ground_truth[test_id]["topk_ids"])
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def get_gpu_memory():
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try:
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props = torch.cuda.get_device_properties(torch.cuda.current_device())
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gpu_memory = props.total_memory / (1024**3)
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return gpu_memory
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except Exception:
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return 0
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@pytest.mark.skipif(condition=is_cpu(),
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reason="This test takes a lot time to run on CPU, "
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"and vllm CI's disk space is not enough for this model.")
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@pytest.mark.skipif(condition=get_gpu_memory() < 100,
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reason="Skip this test if GPU memory is insufficient.")
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@pytest.mark.parametrize("model", MODELS)
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@pytest.mark.parametrize("dtype", ["bfloat16"])
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@pytest.mark.parametrize("max_tokens", [64])
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@pytest.mark.parametrize("num_logprobs", [5])
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def test_models(
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hf_runner,
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vllm_runner,
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example_prompts,
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model: str,
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dtype: str,
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max_tokens: int,
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num_logprobs: int,
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) -> None:
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with hf_runner(model, dtype=dtype) as hf_model:
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hf_outputs = hf_model.generate_greedy_logprobs_limit(
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example_prompts, max_tokens, num_logprobs)
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with vllm_runner(model, dtype=dtype) as vllm_model:
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vllm_outputs = vllm_model.generate_greedy_logprobs(
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example_prompts, max_tokens, num_logprobs)
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check_logprobs_close(
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outputs_0_lst=hf_outputs,
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outputs_1_lst=vllm_outputs,
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name_0="hf",
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name_1="vllm",
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)
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