Cortex-M backend: Optimize quantizer pattern matching#16700
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AdrianLundell merged 1 commit intopytorch:mainfrom Jan 21, 2026
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Cortex-M backend: Optimize quantizer pattern matching#16700AdrianLundell merged 1 commit intopytorch:mainfrom
AdrianLundell merged 1 commit intopytorch:mainfrom
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Current implementation naively loops over all nodes in the graph for each pattern, scaling badly as the number of patterns increase. New implementation instead uses a lookup table for the first node in each pattern and then loops over patterns starting with that node. Signed-off-by: Adrian Lundell <adrian.lundell@arm.com> Change-Id: I8f60324bbc65ddf3d4aa75866276ab88fba63cf7
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🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/16700
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Current implementation naively loops over all nodes in the graph for each pattern, scaling badly as the number of patterns increase.
New implementation instead uses a lookup table for the first node in each pattern and then loops over patterns starting with that node.
cc @freddan80 @per @zingo @oscarandersson8218 @digantdesai