38 lines
1.4 KiB
Python
38 lines
1.4 KiB
Python
# Copyright 2023-2026 SGLang Team
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ==============================================================================
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"""ShapeKey — typed identifier for one captured CUDA-graph shape."""
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from __future__ import annotations
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from dataclasses import dataclass
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from typing import Optional
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@dataclass(frozen=True)
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class ShapeKey:
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"""Identifies one captured CUDA-graph shape across all runners.
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size: the per-phase capture size — what the runner iterates over.
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- prefill: num_tokens
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- decode: bs
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stream_idx: pdmux stream index, or None for single-stream runners.
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variant_label: optional execution variant (for example, "lora",
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"nolora", or "chunked_prefix"), or None for runners that don't
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record per-variant graphs.
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"""
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size: int
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stream_idx: Optional[int] = None
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variant_label: Optional[str] = None
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