[pypy-svn] r44044 - pypy/extradoc/talk/dzug2007
hpk at codespeak.net
hpk at codespeak.net
Tue Jun 5 16:16:47 CEST 2007
Author: hpk
Date: Tue Jun 5 16:16:47 2007
New Revision: 44044
Added:
pypy/extradoc/talk/dzug2007/dzug2007.html
Modified:
pypy/extradoc/talk/dzug2007/dzug2007.txt
Log:
the talk as i gave it (went quite well - but somewhat
difficult to do in 30 minutes including demos)
Added: pypy/extradoc/talk/dzug2007/dzug2007.html
==============================================================================
--- (empty file)
+++ pypy/extradoc/talk/dzug2007/dzug2007.html Tue Jun 5 16:16:47 2007
@@ -0,0 +1,637 @@
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+<title>How PyPy could be useful for Zope</title>
+<meta name="authors" content="Holger Krekel (merlinux GmbH) et al." />
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+<div id="footer">
+<h1>How PyPy could be useful for Zope</h1>
+<h2>Holger Krekel (merlinux GmbH)</h2>
+</div>
+</div>
+<div class="presentation">
+<div class="slide" id="slide0">
+<h1 class="title">How PyPy could be useful for Zope</h1>
+<table class="docinfo" frame="void" rules="none">
+<col class="docinfo-name" />
+<col class="docinfo-content" />
+<tbody valign="top">
+<tr><th class="docinfo-name">Authors:</th>
+<td>Holger Krekel (merlinux GmbH) et al.</td></tr>
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+</table>
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+========================================== -->
+<!-- Display in Outline Mode Only
+============================ -->
+<!-- Display in Print Only
+===================== -->
+<!-- Incremental Display
+=================== -->
+
+</div>
+<div class="slide" id="what-is-pypy">
+<h1>What is PyPy?</h1>
+<ul class="simple">
+<li>A compiler metaprogramming toolchain for dynamic languages</li>
+<li>A flexible and fast Python Interpreter</li>
+<li>An open source project (MIT License)</li>
+<li>A (former) EU research project</li>
+<li>-> PyPy-1.0 is a research result</li>
+</ul>
+</div>
+<div class="slide" id="paradigm">
+<h1>Paradigm</h1>
+<br><div align="center" class="align-center"><img alt="arch-overview.png" class="align-center" src="arch-overview.png" /></div>
+</div>
+<div class="slide" id="pypy-overview">
+<h1>PyPy Overview</h1>
+<br><img alt="dynlang.png" src="dynlang.png" />
+</div>
+<div class="slide" id="backends-runtime-integration">
+<h1>Backends / Runtime integration</h1>
+<ul class="simple">
+<li>single source program translates to:<ul>
+<li>Main target: C/Posix</li>
+<li>Main new target: .NET/CLI/CLR</li>
+<li>Work in progress: JVM</li>
+<li>Special target: Javascript for Web applications</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="slide" id="clr-cli-backend">
+<h1>CLR/CLI Backend</h1>
+<ul class="simple">
+<li>full python interpreter generated for .NET</li>
+<li>support for CLR integration:<ul>
+<li>static RPython-level bindings</li>
+<li>on top dynamic bindings using reflection (clr module)</li>
+</ul>
+</li>
+</ul>
+<!-- - supports interpreter prototypes (using single source) -->
+</div>
+<div class="slide" id="more-high-level-backends">
+<h1>More high-level backends</h1>
+<ul class="simple">
+<li>emerging JVM target:<ul>
+<li>translates complex RPython programs</li>
+<li>no problems foreseen for full interpreter generation</li>
+</ul>
+</li>
+<li>Javascript target:<ul>
+<li>translates complex programs</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="slide" id="python-interpreter-prototypes">
+<h1>Python Interpreter Prototypes</h1>
+<ul class="simple">
+<li>features are independent of backend</li>
+<li>Security / Taint Space</li>
+<li>Transparent Proxies:<ul>
+<li>Transparent Distribution</li>
+<li>Orthogonal Persistence</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="slide" id="taint-space">
+<h1>Taint Space</h1>
+<ul class="simple">
+<li>control of information data flow:<ul>
+<li>label sensitive data</li>
+<li>avoid sensitive information leaks</li>
+<li>explicit primitive to declassify</li>
+</ul>
+</li>
+<li>easily implemented as an object space around
+the standard one securing all operations
+on objects</li>
+</ul>
+</div>
+<div class="slide" id="taint-space-diagram">
+<h1>Taint Space diagram</h1>
+<br><img alt="interpreterarch.png" src="interpreterarch.png" />
+<ul class="simple">
+<li>interactive prompt demo</li>
+</ul>
+</div>
+<div class="slide" id="transparent-proxies">
+<h1>Transparent Proxies</h1>
+<ul class="simple">
+<li>proxy: intercept any operation on an builtin object</li>
+<li>transparent: don't change object interface</li>
+<li>useful for implementing application level functionality
+orthogonally to usage of objects</li>
+<li>is the mechanism for distribution and persistence prototypes</li>
+<li>see also .NET TransparentProxy</li>
+</ul>
+</div>
+<div class="slide" id="transparent-distribution">
+<h1>Transparent Distribution</h1>
+<ul class="simple">
+<li>transparent lazy access to remote objects</li>
+<li>internally uses RPC-like protocol</li>
+<li>remote objects are presented through transparent proxies</li>
+<li>access to remote tracebacks, frames, etc. work as if local!</li>
+</ul>
+</div>
+<div class="slide" id="orthogonal-persistence">
+<h1>Orthogonal Persistence</h1>
+<ul class="simple">
+<li>persist Python objects "invisibly"</li>
+<li>interpose interception of changes to objects</li>
+<li>implement your own custom persistence scheme (e.g. using ZODB)</li>
+</ul>
+</div>
+<div class="slide" id="threading-in-pypy">
+<h1>Threading in PyPy</h1>
+<ul class="simple">
+<li>principal choice of os-threading models (GIL, no, ...)</li>
+<li>stackless <em>transform</em> / micro-threads:<ul>
+<li>suspending/resuming computations</li>
+<li>pickling/migration of computations</li>
+<li>unlimited recursion</li>
+<li><em>composable</em> greenlets, tasklets, co-routines</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="slide" id="relative-speeds-to-cpython">
+<h1>Relative speeds to CPython</h1>
+<table border="1" class="docutils">
+<colgroup>
+<col width="23%" />
+<col width="43%" />
+<col width="34%" />
+</colgroup>
+<thead valign="bottom">
+<tr><th class="head"> </th>
+<th class="head">CPython 2.4.4</th>
+<th class="head">pypy-llvm</th>
+</tr>
+</thead>
+<tbody valign="top">
+<tr><td>richards</td>
+<td>1.00</td>
+<td>1.17</td>
+</tr>
+<tr><td>pystone</td>
+<td>1.00</td>
+<td>1.55</td>
+</tr>
+<tr><td>templess</td>
+<td>1.00</td>
+<td>5.41</td>
+</tr>
+<tr><td>gadfly</td>
+<td>1.00</td>
+<td>6.38</td>
+</tr>
+<tr><td>mako</td>
+<td>1.00</td>
+<td>7.65</td>
+</tr>
+</tbody>
+</table>
+<p>(March 2007, improvements afterwards)</p>
+</div>
+<div class="slide" id="jit-compiler-generator">
+<h1>JIT Compiler Generator</h1>
+<ul class="simple">
+<li>generate JIT Compilers automatically!</li>
+</ul>
+</div>
+<div class="slide" id="id1">
+<h1>JIT Compiler Generator</h1>
+<ul class="simple">
+<li>generate JIT Compilers automatically!</li>
+<li>we began to apply it to the Python Interpreter
+(integer arithmetic)</li>
+<li>approach more complete than Psyco</li>
+<li>gets us in the range of C-speed ("gcc -O0")!</li>
+</ul>
+</div>
+<div class="slide" id="python-interpreter-status-1-0">
+<h1>Python Interpreter Status (1.0)</h1>
+<ul class="simple">
+<li>compliant, 340 KLOC / 85 test KLOC</li>
+<li>single source for all platforms</li>
+<li>flexibel, fast, well-tested (11805 tests)</li>
+<li>new middleware features</li>
+<li>need more extension modules!</li>
+<li>better GCs and more JITting will even improve speed!</li>
+</ul>
+</div>
+<div class="slide" id="special-rpython-programs">
+<h1>Special RPython programs</h1>
+<ul class="simple">
+<li>webservers, web applications, algorithms</li>
+<li>can be translated to many targets</li>
+<li>can run up to 100 times faster compared
+to being interpreted through CPython</li>
+<li>very fast startup times!</li>
+<li>used for commercial purposes</li>
+</ul>
+</div>
+<div class="slide" id="rpython-advantages-over-c">
+<h1>RPython advantages over C</h1>
+<ul class="simple">
+<li>portable code</li>
+<li>high level data structures</li>
+<li>easy to test, quick to develop</li>
+<li>translates to various targets, including CPython extension module</li>
+</ul>
+</div>
+<div class="slide" id="py-lib-release">
+<h1>py lib release</h1>
+<ul class="simple">
+<li>py lib / py.test 0.9 release (Feb 2007):<ul>
+<li>project independent tool for automated testing</li>
+<li>lightweight no-boilerplate approach</li>
+<li>many development support features for PyPy</li>
+<li>includes distributed testing (started as SOP project)</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="slide" id="summary-1">
+<h1>Summary (1)</h1>
+<ul class="simple">
+<li>with PyPy it is easy to:<ul>
+<li>implement advanced Python Interpreter features</li>
+<li>write new backends / runtime targets</li>
+<li>implement new (non-python) interpreters</li>
+</ul>
+</li>
+<li>PyPy's rough edges: it is a research result!</li>
+<li>emerging as platform to implement dynamic languages</li>
+</ul>
+</div>
+<div class="slide" id="summary-2">
+<h1>Summary (2)</h1>
+<ul class="simple">
+<li>advantages of PyPy's meta-programming approach:<ul>
+<li>separation of lang implementation aspects</li>
+<li>integrates with today's mainstream platforms</li>
+<li>single source eases maintenance</li>
+<li>all interpreters benefit from advanced transformations</li>
+<li>all code at high abstraction level!</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="slide" id="possible-zope-applications">
+<h1>Possible Zope applications</h1>
+<ul class="simple">
+<li>security + transparent proxies: persistence, distribution</li>
+<li>experiment with RPython to implement<ul>
+<li>Page Template Engine?</li>
+<li>AJAX/Javascript web applications?</li>
+<li>speedy extension modules?</li>
+</ul>
+</li>
+<li>use for web hosting (fast startup times)?</li>
+<li>synchronous instead of callback/event programming?</li>
+</ul>
+</div>
+<div class="slide" id="future">
+<h1>Future</h1>
+<ul class="simple">
+<li>caretaker/trusted contributors group (pypy-ct):<ul>
+<li>takes care for conceptual integrity</li>
+<li>negotiates (sprint) funding</li>
+</ul>
+</li>
+<li>pending community process:<ul>
+<li>many directions and interests</li>
+<li>consolidation phase?!</li>
+<li>settle on rough roadmap</li>
+</ul>
+</li>
+<li>more sprints! (19 so far)</li>
+</ul>
+</div>
+</div>
+</body>
+</html>
Modified: pypy/extradoc/talk/dzug2007/dzug2007.txt
==============================================================================
--- pypy/extradoc/talk/dzug2007/dzug2007.txt (original)
+++ pypy/extradoc/talk/dzug2007/dzug2007.txt Tue Jun 5 16:16:47 2007
@@ -1,7 +1,7 @@
.. include:: <s5defs.txt>
===========================================
-How PyPy can be useful for Zope
+How PyPy could be useful for Zope
===========================================
:Authors: Holger Krekel (merlinux GmbH) et al.
@@ -17,6 +17,8 @@
* A (former) EU research project
+* -> PyPy-1.0 is a research result
+
Paradigm
-------------
@@ -41,10 +43,12 @@
Backends / Runtime integration
-----------------------------------
-- Main target: C/Posix
-- Main new target: .NET/CLI/CLR
-- Work in progress: JVM
-- Special target: Javascript for Web applications
+- single source program translates to:
+
+ - Main target: C/Posix
+ - Main new target: .NET/CLI/CLR
+ - Work in progress: JVM
+ - Special target: Javascript for Web applications
CLR/CLI Backend
@@ -90,7 +94,7 @@
- control of information data flow:
- * label sensitive data
+ * label sensitive data
* avoid sensitive information leaks
* explicit primitive to declassify
@@ -198,7 +202,7 @@
- webservers, web applications, algorithms
-- can be translated to various targets
+- can be translated to many targets
- can run up to 100 times faster compared
to being interpreted through CPython
@@ -259,6 +263,7 @@
- AJAX/Javascript web applications?
- speedy extension modules?
- use for web hosting (fast startup times)?
+- synchronous instead of callback/event programming?
Future
---------------
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