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Raise error when AIR_TRANSFORM_TILING_SCRIPT file is not found #12

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Merged
erwei-xilinx merged 1 commit into from
Mar 3, 2026
Merged

Raise error when AIR_TRANSFORM_TILING_SCRIPT file is not found #12

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19 changes: 9 additions & 10 deletions amd_triton_npu/backend/driver.py
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Original file line number Diff line number Diff line change
Expand Up @@ -210,16 +210,15 @@ def _get_transform_ir_string():
custom_script_path = os.getenv("AIR_TRANSFORM_TILING_SCRIPT")

if custom_script_path:
try:
with open(custom_script_path, "r") as f:
print(f"Using custom tiling script from: {custom_script_path}")
return f.read()
except FileNotFoundError:
print(f"Warning: Custom tiling script file not found: {custom_script_path}")
print("Falling back to default tiling recipe.")
except Exception as e:
print(f"Error reading custom tiling script {custom_script_path}: {e}")
print("Falling back to default tiling recipe.")
if not os.path.isfile(custom_script_path):
raise FileNotFoundError(
f"AIR_TRANSFORM_TILING_SCRIPT is set to '{custom_script_path}' "
f"but the file was not found (cwd: {os.getcwd()}). "
f"Use an absolute path or run from the directory containing the script."
)
with open(custom_script_path, "r") as f:
print(f"Using custom tiling script from: {custom_script_path}")
return f.read()

# Default hardcoded transform IR string
matmul_tiling_size_l1_m = 32
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