On Thu, 1 Jun 2017 18:37:17 +0900 INADA Naoki <[email protected]> wrote: > x86's hugepage is 2MB. > And some Linux enables "Transparent Huge Page" feature. > > Maybe, 2MB arena size is better for TLB efficiency. > Especially, for servers having massive memory.
But, since Linux is able to merge pages transparently, we perhaps needn't allocate large pages explicitly. Another possible strategy is: allocate several arenas at once (using a larger mmap() call), and use MADV_DONTNEED to relinquish individual arenas. Regards Antoine. _______________________________________________ Python-Dev mailing list [email protected] https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com