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by xapata
2957 days ago
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A version of attr-lookup caching is already added in 3.7. Thus Guido objected to the tone of, "I'm the first person to notice this!" > Mark Shannon said that Python 3.7 has added a feature that should provide a similar boost as the method-lookup caching used in the experiment. As I understand it, class-attribute dicts now carry a version number which increments on every mutation. The first method lookup gets cached and subsequent lookups check the version number to decide whether to invalidate the cache. |
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