It is impossible to diagnose without seeing more context. Specifically, you'll need to share the code around this line. The whole function, preferably.
On Mon, Jul 22, 2019 at 9:31 AM Nicholas Cole <nicholas.c...@gmail.com> wrote: > I was profiling a slow function in an application last week, and came > across something that I still can’t explain. Inside a loop that was being > called 4 times, inside a for loop that ran for a few dozen times there was > a list compression of the form: > > [x.id for x in some_function()] > > According to the profiler, some_function was being called 52,000 times — > many, many times more than the few dozen it should have been. And sure > enough, removing the comprehension did indeed speed up the function. > > It is very strange and feels like a possible bug in python. Has anyone ever > encountered anything similar? > > Best wishes, > > Nicholas > -- > https://mail.python.org/mailman/listinfo/python-list > -- CALVIN SPEALMAN SENIOR QUALITY ENGINEER cspea...@redhat.com M: +1.336.210.5107 [image: https://red.ht/sig] <https://red.ht/sig> TRIED. TESTED. TRUSTED. <https://redhat.com/trusted> -- https://mail.python.org/mailman/listinfo/python-list
