[pypy-commit] pypy default: document cffi 1.10.1, PGO

mattip pypy.commits at gmail.com
Fri Jun 2 06:51:54 EDT 2017


Author: Matti Picus <matti.picus at gmail.com>
Branch: 
Changeset: r91493:0961eb1c2589
Date: 2017-06-02 13:49 +0300
http://bitbucket.org/pypy/pypy/changeset/0961eb1c2589/

Log:	document cffi 1.10.1, PGO

diff --git a/pypy/doc/release-v5.8.0.rst b/pypy/doc/release-v5.8.0.rst
--- a/pypy/doc/release-v5.8.0.rst
+++ b/pypy/doc/release-v5.8.0.rst
@@ -10,10 +10,9 @@
 This new PyPy2.7 release includes the upstream stdlib version 2.7.13, and
 PyPy3.5 includes the upstream stdlib version 3.5.3.
 
-We continue to make incremental improvements to our C-API
-compatibility layer (cpyext). PyPy2 can now import and run many C-extension
-packages, among the most notable are Numpy, Cython, and Pandas. Performance may
-be slower than CPython, especially for frequently-called short C functions.
+This release enables `profile guided optimization` of the base interpreter,
+which may make unjitted code run faster.
+
 Please let us know if your use case is slow, we have ideas how to make things
 faster but need real-world examples (not micro-benchmarks) of problematic code.
 
@@ -24,8 +23,8 @@
 We also backported the ``f""`` formatting from 3.6 (as an exception; otherwise
 "PyPy3.5" supports the Python 3.5 language).
 
-CFFI_ has been updated to 1.11, improving an already great package for
-interfacing with C.
+CFFI_, which is part of the PyPy release, has been updated to an unreleased 1.10.1,
+improving an already great package for interfacing with C.
 
 As always, this release fixed many issues and bugs raised by the
 growing community of PyPy users. We strongly recommend updating.
@@ -43,6 +42,7 @@
 improvements, tweaking popular `modules`_ to run on pypy, or general `help`_
 with making RPython's JIT even better.
 
+.. _`profile guided optimization`: https://pythonfiles.wordpress.com/2017/05/12/enabling-profile-guided-optimizations-for-pypy
 .. _CFFI: https://cffi.readthedocs.io/en/latest/whatsnew.html
 .. _grant: https://morepypy.blogspot.com/2016/08/pypy-gets-funding-from-mozilla-for.html
 .. _`PyPy`: index.html


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