STINNER Victor added the comment: PHP uses GENERATE_SEED() to initialize mt_rand(): https://github.com/php/php-src/blob/1c295d4a9ac78fcc2f77d6695987598bb7abcb83/ext/standard/php_rand.h#L50
This macro uses: time() (resolution of 1 second), process identifier, php_combined_lcg() php_combined_lcg() is seeded using: gettimeofday(), and getpid() or thread id in ZTS mode, gettimeofday() (called again after getpid()): https://github.com/php/php-src/blob/1c295d4a9ac78fcc2f77d6695987598bb7abcb83/ext/standard/lcg.c#L55 mt_rand(): https://github.com/php/php-src/blob/1c295d4a9ac78fcc2f77d6695987598bb7abcb83/ext/standard/rand.c#L308 ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue27272> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
