Antoine Pitrou <pit...@free.fr> added the comment: The MALLOC_MMAP_THRESHOLD improvement is less visible here:
$ MALLOC_MMAP_THRESHOLD_=1024 ../opt/python issue11849_test.py *** Python 3.3.0 alpha --- USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND 0 antoine 7703 0.0 0.1 57756 8560 pts/2 S+ 01:16 0:00 ../opt/python issue11849_test.py 1 antoine 7703 62.0 1.0 138892 86100 pts/2 S+ 01:16 0:01 ../opt/python issue11849_test.py 2 antoine 7703 84.6 2.0 213580 160552 pts/2 S+ 01:16 0:02 ../opt/python issue11849_test.py 3 antoine 7703 97.0 2.9 288080 234972 pts/2 S+ 01:16 0:03 ../opt/python issue11849_test.py 4 antoine 7703 85.6 3.9 362852 309408 pts/2 S+ 01:16 0:05 ../opt/python issue11849_test.py 5 antoine 7703 93.4 4.8 437616 383844 pts/2 S+ 01:16 0:06 ../opt/python issue11849_test.py 6 antoine 7703 99.0 5.7 512380 458276 pts/2 S+ 01:16 0:07 ../opt/python issue11849_test.py 7 antoine 7703 89.6 6.7 591360 535672 pts/2 S+ 01:16 0:08 ../opt/python issue11849_test.py 8 antoine 7703 94.9 7.6 661676 607156 pts/2 S+ 01:16 0:10 ../opt/python issue11849_test.py 9 antoine 7703 95.5 8.6 740652 684556 pts/2 S+ 01:16 0:11 ../opt/python issue11849_test.py END antoine 7703 96.1 7.5 650432 597736 pts/2 S+ 01:16 0:13 ../opt/python issue11849_test.py GC antoine 7703 97.2 6.5 570316 519228 pts/2 S+ 01:16 0:13 ../opt/python issue11849_test.py *** antoine 7703 90.8 6.5 569876 518792 pts/2 S+ 01:16 0:13 ../opt/python issue11849_test.py By the way, an easy fix is to use cElementTree instead of ElementTree. It still won't release all memory but it will eat a lot less of it, and be much faster as well. ---------- title: ElementTree memory leak -> glibc allocator doesn't release all free()ed memory versions: +Python 3.3 -Python 2.5 _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue11849> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
