[Boost-commit] svn:boost r51588 - sandbox/reference_closure

Subject: [Boost-commit] svn:boost r51588 - sandbox/reference_closure
From: dave_at_[hidden]
Date: 2009-03-03 21:05:21

Author: dave
Date: 2009-03-03 21:05:19 EST (Tue, 03 Mar 2009)
New Revision: 51588
URL: http://svn.boost.org/trac/boost/changeset/51588

Log:
Lawrence's original code
Added:
   sandbox/reference_closure/benchmark.sh   (contents, props changed)
   sandbox/reference_closure/trivial_closure.h   (contents, props changed)
   sandbox/reference_closure/trivial_function.cc   (contents, props changed)
   sandbox/reference_closure/trivial_initiator.h   (contents, props changed)
   sandbox/reference_closure/trivial_main.h   (contents, props changed)
   sandbox/reference_closure/trivial_nested.cc   (contents, props changed)

Added: sandbox/reference_closure/benchmark.sh
==============================================================================
--- (empty file)
+++ sandbox/reference_closure/benchmark.sh	2009-03-03 21:05:19 EST (Tue, 03 Mar 2009)
@@ -0,0 +1,12 @@
+CC=/home/build/buildtools/crosstool/v10/gcc-4.2.1-glibc-2.3.5/x86_64-unknown-linux-gnu/bin/x86_64-unknown-linux-gnu-g++
+
+echo compile trivial_nested
+time $CC -O2 trivial_nested.cc -o trivial_nested
+echo execute trivial_nested
+time trivial_nested
+
+echo compile trivial_function
+time $CC -O2 trivial_function.cc -o trivial_function
+echo execute trivial_function
+time trivial_function
+

Added: sandbox/reference_closure/trivial_closure.h
==============================================================================
--- (empty file)
+++ sandbox/reference_closure/trivial_closure.h	2009-03-03 21:05:19 EST (Tue, 03 Mar 2009)
@@ -0,0 +1,7 @@
+struct frame { };
+void nested( frame* ) { }
+struct closure {
+    void (*func)( frame* );
+    frame* scope;
+    void operator()() { func( scope ); }
+};

Added: sandbox/reference_closure/trivial_function.cc
==============================================================================
--- (empty file)
+++ sandbox/reference_closure/trivial_function.cc	2009-03-03 21:05:19 EST (Tue, 03 Mar 2009)
@@ -0,0 +1,7 @@
+#include <tr1/functional>
+using std::tr1::function;
+void executer( function<void()> arg ) { arg(); }
+void passer( function<void()> arg ) { executer( arg ); }
+#include "trivial_closure.h"
+#include "trivial_initiator.h"
+#include "trivial_main.h"

Added: sandbox/reference_closure/trivial_initiator.h
==============================================================================
--- (empty file)
+++ sandbox/reference_closure/trivial_initiator.h	2009-03-03 21:05:19 EST (Tue, 03 Mar 2009)
@@ -0,0 +1,5 @@
+void initiator() {
+    frame mine; closure child;
+    child.func = nested; child.scope = &mine;
+    passer( child );
+}

Added: sandbox/reference_closure/trivial_main.h
==============================================================================
--- (empty file)
+++ sandbox/reference_closure/trivial_main.h	2009-03-03 21:05:19 EST (Tue, 03 Mar 2009)
@@ -0,0 +1,5 @@
+int main() {
+    for ( int i = 0; i < 1000*1000*1000; i++ )
+       initiator();
+    return 0;
+}

Added: sandbox/reference_closure/trivial_nested.cc
==============================================================================
--- (empty file)
+++ sandbox/reference_closure/trivial_nested.cc	2009-03-03 21:05:19 EST (Tue, 03 Mar 2009)
@@ -0,0 +1,5 @@
+#include "trivial_closure.h"
+void executer( closure arg ) { arg(); }
+void passer( closure arg ) { executer( arg ); }
+#include "trivial_initiator.h"
+#include "trivial_main.h"