I recall finding memory leaks using this. (E.g. I remember a leak in Zope due to a cache that was never pruned.)
But presumably gc.get_objects() would have been sufficient. (IIRC it didn't exist at the time.) On Wed, Apr 10, 2019 at 11:48 AM Steve Dower <steve.do...@python.org> wrote: > On 10Apr2019 1109, Steve Dower wrote: > > On 10Apr2019 0401, Victor Stinner wrote: > >>> I think it's worthwhile if we can really get to debug and non-debug > >>> builds being ABI compatible. Getting partway there in this case doesn't > >>> seem to offer any benefits. > >> > >> Disabling Py_TRACE_REFS by default in debug mode reduces the Python > >> memory footprint. Py_TRACE_REFS costs 2 pointers per PyObject: 16 > >> bytes on 64-bit platforms. > > > > Right, except it's debug mode. > > I left this comment unfinished :) > > It's debug mode, and so you should expect less efficient memory and CPU > usage. That's why we have two modes - so that it's easier to debug issues. > > Now, if debug mode was unusably slow or had way too much overhead, we'd > want to fix that. But it isn't unusable, so reducing memory usage at the > cost of making debugging harder is not compelling. > > Cheers, > Steve > _______________________________________________ > Python-Dev mailing list > Python-Dev@python.org > https://mail.python.org/mailman/listinfo/python-dev > Unsubscribe: > https://mail.python.org/mailman/options/python-dev/guido%40python.org > -- --Guido van Rossum (python.org/~guido) *Pronouns: he/him/his **(why is my pronoun here?)* <http://feministing.com/2015/02/03/how-using-they-as-a-singular-pronoun-can-change-the-world/>
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