Author: Armin Rigo <[email protected]>
Branch:
Changeset: r91547:17a5b2dd6cec
Date: 2017-06-06 07:47 +0200
http://bitbucket.org/pypy/pypy/changeset/17a5b2dd6cec/
Log: Say clearly that LTO and PGO are disabled by default. Point to an
issue I created to focus discussion
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
@@ -10,9 +10,10 @@
This new PyPy2.7 release includes the upstream stdlib version 2.7.13, and
PyPy3.5 includes the upstream stdlib version 3.5.3.
-This release enables link-time optimization and `profile guided optimization`_
-of the base interpreter, which may make unjitted code run faster. To use these,
-translate with appropriate `options`_.
+This release adds (but disables by default) link-time optimization and
+`profile guided optimization`_ of the base interpreter, which may make
+unjitted code run faster. To use these, translate with appropriate
+`options`_. Be aware of `[1]`_, though.
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.
@@ -44,6 +45,7 @@
with making RPython's JIT even better.
.. _`profile guided optimization`:
https://pythonfiles.wordpress.com/2017/05/12/enabling-profile-guided-optimizations-for-pypy
+.. _`[1]`:
https://bitbucket.org/pypy/pypy/issues/2572/link-time-optimization-lto-disabled
.. _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
_______________________________________________
pypy-commit mailing list
[email protected]
https://mail.python.org/mailman/listinfo/pypy-commit
