39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
# Copyright (c) Microsoft Corporation.
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# SPDX-License-Identifier: Apache-2.0
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# DeepSpeed Team
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import pytest
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import torch
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import deepspeed
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from deepspeed.ops.op_builder import InferenceBuilder
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from deepspeed.accelerator import get_accelerator
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if not deepspeed.ops.__compatible_ops__[InferenceBuilder.NAME]:
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pytest.skip("Inference ops are not available on this system", allow_module_level=True)
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@pytest.mark.inference_ops
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@pytest.mark.parametrize("num_heads", [64, 32, 16, 8])
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def test_rope_warp_size_alignment(num_heads):
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if get_accelerator().device_name() != "cuda":
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pytest.skip("This test runs only on GPU")
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batch = 1
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head = 8
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seq_len = 1024
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head_dim = 32
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rotary_dim = 32
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offset = 8
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rotate_half = False
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rope_theta = 2
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cuda0 = torch.device('cuda:0')
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query = torch.randn(batch, head, seq_len, head_dim, device=cuda0)
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key = torch.randn(batch, head, seq_len, head_dim, device=cuda0)
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inference = InferenceBuilder().load()
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# For num_heads values of 64, 32, 16, 8
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# corresponding threads_per_head (defined in apply_rotary_pos_emb.cu) values are 4, 8, 16, 32
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inference.apply_rotary_pos_emb(query, key, rotary_dim, offset, num_heads, rotate_half, rope_theta)
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