New submission from STINNER Victor: Currently, _PyCode_SetExtra() uses two memory block for code extras. Using a different structure, it would be possible to use a single memory block: less memory fragmentation, better CPU cache usage, less indirections, etc.
It matters since the long term plan for co_extras is to implement of kind-of JIT compiler insider CPython: see bpo-28158. ---------- components: Interpreter Core messages: 297077 nosy: haypo priority: normal severity: normal status: open title: Redesign PyCodeObject.co_extras to use a single memory block, instead of two type: performance versions: Python 3.7 _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue30789> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
