[issue16389] re._compiled_typed's lru_cache causes significant degradation of the mako_v2 bench

[Richard Oudkerk]

Richard Oudkerk added the comment:

Maybe lru_cache() should have a key argument so you can specify a specialized 
key function.  So you might have

    def _compile_key(args, kwds, typed):
        return args

    @functools.lru_cache(maxsize=500, key=_compile_key)
    def _compile(pattern, flags):
        ...

----------
nosy: +sbt

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<http://bugs.python.org/issue16389>
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