I suggest filing a bug to track this...
On Thu, May 23, 2019 at 10:13 AM Tim Peters
[Inada Naoki
] ... 2. This loop is cleary hot:
https://github.com/python/cpython/blob/51aa35e9e17eef60d04add9619fe2a7eb9383...
Which is 3 lines of code plus a closing brace. The OP didn't build their own Python, and the source from which it was compiled wasn't available to them. But they did say that when they got into gdb and single-stepped, it was looping through the same three lines of code, in obmalloc.c, over & over. Which is 100% consistent with the loop you identified as being "the hot spot". _______________________________________________ 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/greg%40krypto.org