>> Does any test infrastructure (or benchmarks) exist which you would trust for >> corresponding comparisons of software run time characteristics? > > Yes, just run: > > make cocciclean > time make contrib/coccinelle/flex_alloc.cocci.patch Thanks for this suggestion. > before and after your changes, and include the timing results in the > commit message if there is a notable difference. The measurements from my test system might not be representative enough. > FWIW, I did just that with your "coccinelle: merge twelve rules from > object_id.cocci" patch [1], and the runtime went down from 2m48.610 to > 2m34.395, a bit over 8% speedup. (with Ubuntu 16.04's Coccinelle > 1.0.4) > > > [1] https://public-inbox.org/git/6c9962c0-67c1-e700-c145-793ce6498099@xxxxxx/ These numbers seem to be nice. Would a direct reply have been more helpful for the referenced patch than the current subject? Regards, Markus