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Avoid calling OrderedDict unnecessarily #267
Description
Making normalizeToken only call OrderedDict when we have more than one attribute leads to a big jump in parsing speed when parsing the HTML spec in some quick testing. Need to make sure we never append to that for it to be a safe optimisation, though.
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gsnedders commentedon Jun 10, 2020
We do, and especially with
dictby ordered from Python 3.7 (and #493 makes us use it then), the cost here is small. I wonder if special-casing only the zero-attribute case is worth the pain it would cause? And hey, we have benchmarks now.