2017-07-03 6:52 GMT+02:00 Siyuan Ren <netheri...@gmail.com>: > The current PyLong implementation represents arbitrary precision integers in > units of 15 or 30 bits. I presume the purpose is to avoid overflow in > addition , subtraction and multiplication. But compilers these days offer > intrinsics that allow one to access the overflow flag, and to obtain the > result of 64 bit multiplication as a 128 bit number.
The question is the performance. Is it fast? :-) You can try to write a patch and run a benchmark. See for example http://pyperformance.readthedocs.io/ for benchmarks. Victor _______________________________________________ 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/archive%40mail-archive.com
