Author: Armin Rigo <[email protected]>
Branch: extradoc
Changeset: r484:1bb1800c3a16
Date: 2014-04-10 10:45 +0200
http://bitbucket.org/pypy/pypy.org/changeset/1bb1800c3a16/
Log: Tweaks to the preamble, answering more directly the question "yes,
it's a PyPy without the GIL".
diff --git a/source/tmdonate2.txt b/source/tmdonate2.txt
--- a/source/tmdonate2.txt
+++ b/source/tmdonate2.txt
@@ -49,15 +49,19 @@
We achieved – or overachieved – most goals laid out in the first
call by
a large margin, while at the same time raising only about half the
money. The result of this first step is `described in the documentation
-of PyPy`__.
+of PyPy`__. It is a PyPy without the GIL. In the best (artificial)
+examples, it runs only 30% slower than a regular PyPy with the JIT.
-The present proposal is about development of the second half: starting
-from the various missing low-level optimizations, it will most
+The present proposal is about development of the second half: first,
+fixing the various missing low-level optimizations (aiming for this
+25%-30% figure, but for most cases rather than only special examples).
+Then it will most
importantly focus on developing the Python-facing interface. This
includes both internal things (e.g. do dictionaries need to be more
TM-friendly in general?) as well as directly visible things (e.g. some
-profiler-like interface to explore common conflicts in a program). It
-also includes exploring and tweaking some existing libraries to improve
+profiler-like interface to explore common conflicts in a program).
+Finally, the third part is
+exploring and tweaking some existing libraries to improve
their TM-friendliness (e.g. Twisted and Stackless).
See also the `update on HTM`_ below.
diff --git a/tmdonate2.html b/tmdonate2.html
--- a/tmdonate2.html
+++ b/tmdonate2.html
@@ -80,14 +80,18 @@
<p>We achieved – or overachieved – most goals laid out in the
first call by
a large margin, while at the same time raising only about half the
money. The result of this first step is <a class="reference external"
href="https://pypy.readthedocs.org/en/latest/stm.html";>described in the
documentation
-of PyPy</a>.</p>
-<p>The present proposal is about development of the second half: starting
-from the various missing low-level optimizations, it will most
+of PyPy</a>. It is a PyPy without the GIL. In the best (artificial)
+examples, it runs only 30% slower than a regular PyPy with the JIT.</p>
+<p>The present proposal is about development of the second half: first,
+fixing the various missing low-level optimizations (aiming for this
+25%-30% figure, but for most cases rather than only special examples).
+Then it will most
importantly focus on developing the Python-facing interface. This
includes both internal things (e.g. do dictionaries need to be more
TM-friendly in general?) as well as directly visible things (e.g. some
-profiler-like interface to explore common conflicts in a program). It
-also includes exploring and tweaking some existing libraries to improve
+profiler-like interface to explore common conflicts in a program).
+Finally, the third part is
+exploring and tweaking some existing libraries to improve
their TM-friendliness (e.g. Twisted and Stackless).</p>
<p>See also the <a class="reference internal" href="#update-on-htm">update on
HTM</a> below.</p>
</div>
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