Author: Armin Rigo <ar...@tunes.org> Branch: Changeset: r85690:66bb0cd7b0eb Date: 2016-07-14 12:08 +0200 http://bitbucket.org/pypy/pypy/changeset/66bb0cd7b0eb/
Log: Document branch diff --git a/pypy/doc/whatsnew-head.rst b/pypy/doc/whatsnew-head.rst --- a/pypy/doc/whatsnew-head.rst +++ b/pypy/doc/whatsnew-head.rst @@ -64,3 +64,11 @@ Avoid exhausting the stack in the JIT due to successive guard failures in the same Python function ending up as successive levels of RPython functions, while at app-level the traceback is very short + +.. branch: use-madv-free + +Try harder to memory to the OS. See e.g. issue #2336. Note that it does +not show up as a reduction of the VIRT column in ``top``, and the RES +column might also not show the reduction, particularly on Linux >= 4.5 or +on OS/X: it uses MADV_FREE, which only marks the pages as returnable to +the OS if the memory is low. _______________________________________________ pypy-commit mailing list pypy-commit@python.org https://mail.python.org/mailman/listinfo/pypy-commit
