Author: Maciej Fijalkowski <fij...@gmail.com>
Branch: extradoc
Changeset: r4243:06b9a3afc74a
Date: 2012-07-01 10:42 +0200
http://bitbucket.org/pypy/extradoc/changeset/06b9a3afc74a/
Log: merge
diff --git a/talk/ep2012/stm/Makefile b/talk/ep2012/stm/Makefile
--- a/talk/ep2012/stm/Makefile
+++ b/talk/ep2012/stm/Makefile
@@ -8,6 +8,7 @@
rst2beamer.py --stylesheet=stylesheet.latex --documentoptions=14pt
talk.rst talk.latex || exit
sed 's/\\date{}/\\input{author.latex}/' -i talk.latex || exit
sed 's/\\maketitle/\\input{title.latex}/' -i talk.latex || exit
+ sed 's/\\usepackage\[latin1\]{inputenc}/\\usepackage[utf8]{inputenc}/'
-i talk.latex || exit
pdflatex talk.latex || exit
view: talk.pdf
diff --git a/talk/ep2012/stm/stylesheet.latex b/talk/ep2012/stm/stylesheet.latex
--- a/talk/ep2012/stm/stylesheet.latex
+++ b/talk/ep2012/stm/stylesheet.latex
@@ -1,4 +1,5 @@
\usetheme{Boadilla}
+\usecolortheme{whale}
\setbeamercovered{transparent}
\setbeamertemplate{navigation symbols}{}
diff --git a/talk/ep2012/stm/talk.rst b/talk/ep2012/stm/talk.rst
--- a/talk/ep2012/stm/talk.rst
+++ b/talk/ep2012/stm/talk.rst
@@ -7,11 +7,17 @@
PyPy at EuroPython
------------------
+|scriptsize|
+
::
fijal@helmut:~/src/extradoc/talk$ cd ep20
- ep2004-pypy/ ep2006/ ep2008/ ep2010/ ep2012/
- ep2005/ ep2007/ ep2009/ ep2011/
+
+ ep2004-pypy/ ep2006/ ep2008/ ep2010/ ep2012/
+
+ ep2005/ ep2007/ ep2009/ ep2011/
+
+|end_scriptsize|
|pause|
@@ -21,12 +27,18 @@
Software archeology
-------------------
-"""A foreword of warning about the JIT of PyPy as of March 2007: single
-functions doing integer arithmetic get great speed-ups; about anything
-else will be a bit slower with the JIT than without. We are working
-on this - you can even expect quick progress, because it is mostly a
-matter of adding a few careful hints in the source code of the Python
-interpreter of PyPy."""
+|small|
+
+ "single functions doing integer arithmetic get great speed-ups; about
+ anything else will be a bit slower with the JIT than without. We are
+ working on this - you can even expect quick progress, because it is mostly
+ a matter of adding a few careful hints in the source code of the Python
+ interpreter of PyPy."
+
+ (status of the JIT of PyPy as of March 2007)
+
+
+|end_small|
Software archeology
-------------------
@@ -47,39 +59,35 @@
- ...
-Current status
---------------
+PyPy 1.9: current status
+------------------------
-* PyPy 1.9
+* Faster
- - **1.7x** faster than 1.5 (a year ago)
+ - **1.7x** than 1.5 (a year ago)
- - **2.2x** faster than 1.4
+ - **2.2x** than 1.4
- - **5.5x** faster than CPython
-
-* much more "PyPy-friendly" programs
+ - **5.5x** than CPython
* Implements Python 2.7.2
-* packaging: Debian, Ubuntu, Fedora, Homebrew, Gentoo, ArchLinux, ...
- (thanks to all the packagers)
+ - py3k in progress (see later)
-* Windows (32bit only)
+* Many more "PyPy-friendly" programs
-* cpyext
+* Packaging
- - C extension compatibility module
+ - |scriptsize| Debian, Ubuntu, Fedora, Homebrew, Gentoo, ArchLinux, ...
|end_scriptsize|
+
+ - |scriptsize| Windows (32bit only), OS X |end_scriptsize|
+
+* C extension compatibility
- from "alpha" to "beta"
- runs (big part of) **PyOpenSSL** and **lxml**
-* py3k in progress
-
- - see later
-
- - 2.7 support never going away
PyPy organization
-----------------
@@ -113,7 +121,7 @@
* Glue language
- - integrating with C is "easy"
+ - integrating with C is "easy"
Let's talk about PyPy
---------------------
@@ -129,13 +137,28 @@
JIT warmup times
----------------
-* it's complicated
+* JIT-ted code: very fast
-* we did not spend much time on that topic
+* Everything else: slow
-* come and talk to us
+* JIT-ting one piece at a time
-XXX ask antonio if he can cover this on a jit talk
+* "takes a while"
+
+* **Cannot** cache JIT-ted code between runs
+
+|pause|
+
+* We did not spend much time on this
+
+* Come and talk to us
+
+* **PyPy JIT Under the hood**
+
+ - July 4 2012
+
+.. XXX what do we want to say in "come and talk to us"?
+
Py3k status
-----------
@@ -159,6 +182,8 @@
---------
.. image:: standards.png
+ :scale: 60%
+ :align: center
Calling C landscape
-------------------
@@ -173,20 +198,26 @@
* CFFI (our new thing)
-CFFI slide
+CFFI
----------
-some example code::
+|scriptsize|
+|example<| Example |>|
- >>> from cffi import FFI
- >>> ffi = FFI()
- >>> ffi.cdef("""
- ... int printf(const char *format, ...);
- ... """)
- >>> C = ffi.dlopen(None)
- >>> arg = ffi.new("char[]", "world")
- >>> C.printf("hi there, %s!\n", arg)
- hi there, world!
+ .. sourcecode:: pycon
+
+ >>> from cffi import FFI
+ >>> ffi = FFI()
+ >>> ffi.cdef("""
+ ... int printf(const char *format, ...);
+ ... """)
+ >>> C = ffi.dlopen(None)
+ >>> arg = ffi.new("char[]", "world")
+ >>> C.printf("hi there, %s!\n", arg)
+ hi there, world!
+
+|end_example|
+|end_scriptsize|
STM
---
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