Neal Norwitz wrote: > This code doesn't really work in general. It assumes that any append > function call is a list method, which is obviously invalid. But if a > variable is known to be a list (ie, local and assigned as list > (BUILD_LIST) or a list comprehension), could we do something like this > as a peephole optimization? Alternatively, couldn't LIST_APPEND check that this really is a list, and, if it isn't, fall back to PyObject_CallMethod? Not sure which .append call is performed most frequently, but the traditional trick of caching x.append in a local variable might give you most of the speedup. Regards, Martin
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