[pypy-svn] r35166 - in pypy/extradoc/talk/warsaw2006: . src

[fijal at codespeak.net]

Author: fijal
Date: Thu Nov 30 16:34:26 2006
New Revision: 35166

Modified:
   pypy/extradoc/talk/warsaw2006/fireworks-slides.txt
   pypy/extradoc/talk/warsaw2006/src/slideshow.py
   pypy/extradoc/talk/warsaw2006/src/web.py
Log:
(hopefully) final version


Modified: pypy/extradoc/talk/warsaw2006/fireworks-slides.txt
==============================================================================
--- pypy/extradoc/talk/warsaw2006/fireworks-slides.txt	(original)
+++ pypy/extradoc/talk/warsaw2006/fireworks-slides.txt	Thu Nov 30 16:34:26 2006
@@ -66,8 +66,6 @@
 
 * Is build "as we need it", so no real definition
 
-* rctypes (like ctypes, but will change to C calls)
-
 Backends & more flow graphs:
 ============================
 
@@ -77,10 +75,19 @@
 
 * All optimisations are done on flow graphs
 
-* XXX: constant-folding demo
+* `example`_, and a `constant-folded one`_::
+
+    def g():
+       return 3
+        
+    def f():
+       return g() + 1 * 2
 
 * Wide range of possible things to do with it
 
+.. _`example`: javascript:example()
+.. _`constant-folded one`: javascript:const_fold()
+
 JavaScript backend:
 ===================
 
@@ -117,10 +124,9 @@
 Transparent proxy:
 ==================
 
-* Idea (proxied to app-level), altough there is interp-level version
+* Idea - proxied to app-level
 
-* Possible usecase - shallow copy of remote objects (altough not working
-  because of lack of os.execv)::
+* Possible usecase - shallow copy of remote objects::
   
     elem = get_remote("obj") # accessed as a name in globals
                              # remote type is faked here
@@ -139,13 +145,37 @@
 
 * So called "stackless" features
 
-* Basically provides way of copying stack to heap and backwards
+* Available primitives: coroutines, greenlets, tasklets::
+
+   c = channel()
+
+   def f():
+      c.send(3)
+
+   def g():
+      return c.receive()
+
+   tasklet(f)()
+   assert g() == 3
+
+* It provides way of copying stack to heap and backwards
+
+Stackless goodies:
+==================
+
+* Very deep recursion
+
+* No deadlock
+
+* No race conditions (in a classic sense)
+
+* Explicit scheduling
 
-* pickling coroutines
+* Pickling coroutines
 
-* cloning coroutines
+* Cloning coroutines
 
-* based on graph-transform
+* All based on graph-transform
 
 Composability:
 ==============

Modified: pypy/extradoc/talk/warsaw2006/src/slideshow.py
==============================================================================
--- pypy/extradoc/talk/warsaw2006/src/slideshow.py	(original)
+++ pypy/extradoc/talk/warsaw2006/src/slideshow.py	Thu Nov 30 16:34:26 2006
@@ -64,3 +64,10 @@
 
 def rtype():
     exported_methods.rtype_basic(comeback)
+
+def example():
+    exported_methods.example(comeback)
+
+def const_fold():
+    exported_methods.const_fold(comeback)
+

Modified: pypy/extradoc/talk/warsaw2006/src/web.py
==============================================================================
--- pypy/extradoc/talk/warsaw2006/src/web.py	(original)
+++ pypy/extradoc/talk/warsaw2006/src/web.py	Thu Nov 30 16:34:26 2006
@@ -15,7 +15,7 @@
 
 commproxy.USE_MOCHIKIT = True
 
-FUNCTION_LIST = ['show', 'flow', 'annotate', 'rtype']
+FUNCTION_LIST = ['show', 'flow', 'annotate', 'rtype', 'const_fold', 'example']
 
 class ExportedMethods(BasicExternal):
     _render_xmlhttp = True
@@ -31,6 +31,17 @@
 
         self.t = Translation(g)
 
+    def _create_t2(self):
+        if hasattr(self, 't2'):
+            return
+        def g():
+            return 3
+        
+        def f():
+            return g() + 1 * 2
+
+        self.t2 = Translation(f)
+
     @described(retval=None)
     def flow_basic(self):
         self._create_t()
@@ -49,6 +60,19 @@
         self.t.rtype()
         self.t.view()
 
+    @described(retval=None)
+    def example(self):
+        self._create_t2()
+        self.t2.annotate()
+        self.t2.rtype()
+        self.t2.view()
+
+    @described(retval=None)
+    def const_fold(self):
+        self._create_t2()
+        self.t2.backendopt()
+        self.t2.view()
+
 exported_methods = ExportedMethods()
 main_path = py.path.local(__file__).dirpath()
 
@@ -75,4 +99,4 @@
     style_css.exposed = True
 
 if __name__ == '__main__':
-    server.start_server(handler=Handler, start_new=False)
+    server.start_server(server_address=('localhost', 7070), handler=Handler, start_new=False)