Code generator scripts check if file changed and skip write if it is the same.
- speeds up build process:
- Was g4 edit, run generators, g4 revert -a takes 46 seconds.
- Now run generators takes 13 seconds.
- reduces output avoids missing legitimate errors
PiperOrigin-RevId: 395327404
diff --git a/tools/generate-avgpool-test.py b/tools/generate-avgpool-test.py
index 90a716d..f893f8a 100755
--- a/tools/generate-avgpool-test.py
+++ b/tools/generate-avgpool-test.py
@@ -2471,8 +2471,14 @@
channel_tile, isa)
tests += "\n\n" + xnncommon.postprocess_test_case(test_case, arch, isa)
- with codecs.open(options.output, "w", encoding="utf-8") as output_file:
- output_file.write(tests)
+ txt_changed = True
+ if os.path.exists(options.output):
+ with codecs.open(options.output, "r", encoding="utf-8") as output_file:
+ txt_changed = output_file.read() != tests
+
+ if txt_changed:
+ with codecs.open(options.output, "w", encoding="utf-8") as output_file:
+ output_file.write(tests)
if __name__ == "__main__":