I thought about something - > > I think that the performance penalty may be rather small - remember > that in programs which do not change strings, there would never be a > need to copy the string data at all. And since I think that usually > most of the dict lookups are for method or function names, there would > almost never be a need to constuct a new object on dict lookup, > because you search for the same names again and again, and a new > object is created only on the first frozen() call. You might even gain > performance, because s += x would be faster. > Name lookups can take virtually the same time they take now - method names can be saved from the beginning as frozen strings, so finding them in a dict will take just another bit test - is the object frozen - before doing exactly what is done now. Remember, the strings we are familiar with are simply frozen strings... _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
