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Arm backend: Cherry-pick tosa patch to speed up large models #15592

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Merged
merged 1 commit into from
Nov 5, 2025
Merged

Arm backend: Cherry-pick tosa patch to speed up large models #15592

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9 changes: 8 additions & 1 deletion backends/arm/tosa/backend.py
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Original file line number Diff line number Diff line change
Expand Up @@ -133,7 +133,14 @@ def _preprocess( # noqa: C901
if not artifact_path:
artifact_path = ""

tosa_graph = ts.TosaSerializer(artifact_path)
version = tosa_spec.version
tosa_graph = ts.TosaSerializer(
artifact_path,
targetMajor=version.major,
targetMinor=version.minor,
targetPatch=version.micro,
targetDraft=False,
)

if not (
tosa_spec.version.major == ts.TOSA_VERSION_MAJOR
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2 changes: 2 additions & 0 deletions examples/arm/setup.sh
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Expand Up @@ -290,7 +290,9 @@ if [[ $is_script_sourced -eq 0 ]]; then
fi

pushd tosa-tools
git fetch origin main
git checkout 8468d041c50c6d806f3c1c18c66d7ef641e46580 # serialization lib pybindings
git cherry-pick 368f0cd745b2a1569bf36f077daeba95775de192 # perf fix for >2gb models
if [[ ! -d "reference_model" ]]; then
log_step "main" "[error] Missing reference_model directory in tosa-tools repo."
exit 1
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