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c31fc4df52
[CK Tile Engine] Daily tier sampling for tile engine GEMM (#7311) Summary - Replace uniform random instance sampling (random.shuffle) with scrambled Sobol + Latin Hypercube + maximin space-filling sampling, per the Tile Engine Benchmark Sampling RFC - Add op-weighted budget allocation via new TILE_ENGINE_SAMPLING_TIER=daily CMake knob that auto-distributes 8,000 instances across ops proportional to registered weights in op_weights.json - Emit chosen_instances.json manifests for reproducibility tracking - Consolidate 5 copies of sampling logic into single _apply_sampling() method on the base class Jenkinsfile changes Replace per-op -D *_MAX_INSTANCES=250 with single -D TILE_ENGINE_SAMPLING_TIER=daily in gfx942/gfx950/gfx1201 stages. Budget auto-distributes (8000 total per GPU target). --------- Co-authored-by: Claude Sonnet 4 <noreply@anthropic.com>
25 lines
813 B
Python
25 lines
813 B
Python
# Copyright (c) Advanced Micro Devices, Inc., or its affiliates.
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# SPDX-License-Identifier: MIT
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import hashlib
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import datetime
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def daily_seed(date=None, extra=""):
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"""Return sha256(YYYY-MM-DD[:extra]) & 0xFFFFFFFF."""
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if date is None:
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date = datetime.date.today()
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material = date.isoformat()
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if extra:
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material += f":{extra}"
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return int(hashlib.sha256(material.encode()).hexdigest(), 16) & 0xFFFFFFFF
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def make_seed(explicit_seed=None, gpu_target="", datatype="", layout=""):
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"""If explicit_seed is given, return it. Otherwise compute daily seed
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with gpu_target:datatype:layout as extra material."""
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if explicit_seed is not None:
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return explicit_seed
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extra = ":".join(filter(None, [gpu_target, datatype, layout]))
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return daily_seed(extra=extra)
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