3 ms·

I wrote a follow up in my blog (too long to post here) optimising a little more https://wrongsideofmemphis.wordpress.com/2015/05/08/optimise-python-with-closure

• masklinn 11y ago
  You could get a last slight bit of juice from localising the closed over variables by binding them as default parameters e.g. def whitelist_filter(bid_request): return not categories.isdisjoint(bid_request["categories"]) to def whitelist_filter(bid_request, categories=categories): return not categories.isdisjoint(bid_request["categories"])