[Boost-commit] svn:boost r72143 - sandbox/block_ptr/libs/smart_ptr/example

Subject: [Boost-commit] svn:boost r72143 - sandbox/block_ptr/libs/smart_ptr/example
From: phil_at_[hidden]
Date: 2011-05-24 19:46:59

Author: pbouchard
Date: 2011-05-24 19:46:58 EDT (Tue, 24 May 2011)
New Revision: 72143
URL: http://svn.boost.org/trac/boost/changeset/72143

Log:
* Tests both make_* and new
Text files modified: 
   sandbox/block_ptr/libs/smart_ptr/example/benchmark.cpp |    43 ++++++++++++++++++++++++++++++++++++--- 
   1 files changed, 39 insertions(+), 4 deletions(-)

Modified: sandbox/block_ptr/libs/smart_ptr/example/benchmark.cpp
==============================================================================
--- sandbox/block_ptr/libs/smart_ptr/example/benchmark.cpp	(original)
+++ sandbox/block_ptr/libs/smart_ptr/example/benchmark.cpp	2011-05-24 19:46:58 EDT (Tue, 24 May 2011)
@@ -3,14 +3,30 @@
 #include <memory>
 #include <iostream>
 #include <boost/shared_ptr.hpp>
+#include <boost/make_shared.hpp>
 #define BOOST_BP_USE_RAW_POINTER
 #include <boost/block_ptr.hpp>
 
 using namespace std;
 using namespace boost;
 
+template <typename T>
+	auto_ptr<T> make_auto()
+	{
+		return auto_ptr<T>(new T);
+	}
+
+template <typename T, T (*P)()>
+	void worker_make()  
+	{         
+		T p;
+
+	    for (int i = 0; i < 100000; ++ i)
+	    	p = P();
+	}  
+   
 template <typename T, typename U>
-	void worker()  
+	void worker_new()  
         {         
                 T p;
 
@@ -24,21 +40,40 @@
 {  
         timespec ts[2];
         
+	cout << "make:" << endl;
         clock_gettime(CLOCK_PROCESS_CPUTIME_ID, & ts[0]); 
-	worker< auto_ptr<int>, int >();
+	worker_make< auto_ptr<int>, make_auto<int> >();
         clock_gettime(CLOCK_PROCESS_CPUTIME_ID, & ts[1]);
         cout << "auto_ptr:\t" << setw(numeric_limits<long>::digits10 + 2) << diff(ts[0], ts[1]).tv_nsec << " ns" << endl;
 
         clock_gettime(CLOCK_PROCESS_CPUTIME_ID, & ts[0]); 
-	worker< shared_ptr<int>, int >();
+	worker_make< shared_ptr<int>, make_shared<int> >();
         clock_gettime(CLOCK_PROCESS_CPUTIME_ID, & ts[1]);
         cout << "shared_ptr:\t" << setw(numeric_limits<long>::digits10 + 2) << diff(ts[0], ts[1]).tv_nsec << " ns" << endl;
 
         clock_gettime(CLOCK_PROCESS_CPUTIME_ID, & ts[0]); 
-	worker< block_ptr<int>, block<int> >();
+	worker_make< block_ptr<int>, make_block<int> >();
         clock_gettime(CLOCK_PROCESS_CPUTIME_ID, & ts[1]);
         cout << "block_ptr:\t" << setw(numeric_limits<long>::digits10 + 2) << diff(ts[0], ts[1]).tv_nsec << " ns" << endl;
+	cout << endl;
+	
+	cout << "new:" << endl;
+	clock_gettime(CLOCK_PROCESS_CPUTIME_ID, & ts[0]); 
+	worker_new< auto_ptr<int>, int >();
+	clock_gettime(CLOCK_PROCESS_CPUTIME_ID, & ts[1]);
+	cout << "auto_ptr\t" << setw(numeric_limits<long>::digits10 + 2) << diff(ts[0], ts[1]).tv_nsec << " ns" << endl;
+
+	clock_gettime(CLOCK_PROCESS_CPUTIME_ID, & ts[0]); 
+	worker_new< shared_ptr<int>, int >();
+	clock_gettime(CLOCK_PROCESS_CPUTIME_ID, & ts[1]);
+	cout << "shared_ptr:\t" << setw(numeric_limits<long>::digits10 + 2) << diff(ts[0], ts[1]).tv_nsec << " ns" << endl;
 
+	clock_gettime(CLOCK_PROCESS_CPUTIME_ID, & ts[0]); 
+	worker_new< block_ptr<int>, block<int> >();
+	clock_gettime(CLOCK_PROCESS_CPUTIME_ID, & ts[1]);
+	cout << "block_ptr:\t" << setw(numeric_limits<long>::digits10 + 2) << diff(ts[0], ts[1]).tv_nsec << " ns" << endl;
+	cout << endl;
+	
     return 0;  
 }