[Boost-commit] svn:boost r72236 - sandbox/block_ptr/libs/smart_ptr/example

Subject: [Boost-commit] svn:boost r72236 - sandbox/block_ptr/libs/smart_ptr/example
From: phil_at_[hidden]
Date: 2011-05-27 18:40:17

Author: pbouchard
Date: 2011-05-27 18:40:16 EDT (Fri, 27 May 2011)
New Revision: 72236
URL: http://svn.boost.org/trac/boost/changeset/72236

Log:
* Code cleanup
Text files modified: 
   sandbox/block_ptr/libs/smart_ptr/example/benchmark.cpp |    34 +++++++++++-----------------------      
   1 files changed, 11 insertions(+), 23 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	2011-05-27 18:40:16 EDT (Fri, 27 May 2011)
@@ -51,26 +51,14 @@
    
 timespec diff(timespec start, timespec end);
 
-int cpu_bind(const unsigned short cpu)
-{
-	cpu_set_t mask;
-	int ret;
-
-	CPU_ZERO(&mask);
-	CPU_SET((int)cpu, &mask);
-	ret = sched_setaffinity(0, sizeof mask, &mask);
-
-	return ret;
-} 
-
 int main(int argc, char* argv[])  
 {  
-    cpu_bind(0);
-
         timespec ts[2];
-	long median[5][3];
+
+	const int n = 5;
+	long median[n][3];
         
-	for (int i = 0; i < 5; ++ i)
+	for (int i = 0; i < n; ++ i)
         {
                 clock_gettime(CLOCK_PROCESS_CPUTIME_ID, & ts[0]); 
                 worker_make< auto_ptr<int>, make_auto<int> >();
@@ -89,12 +77,12 @@
         }
         
         cout << "make:" << endl;
-	cout << "auto_ptr:\t" << setw(numeric_limits<long>::digits10 + 2) << median[3][0] << " ns" << endl;
-	cout << "shared_ptr:\t" << setw(numeric_limits<long>::digits10 + 2) << median[3][1] << " ns" << endl;
-	cout << "block_ptr:\t" << setw(numeric_limits<long>::digits10 + 2) << median[3][2] << " ns" << endl;
+	cout << "auto_ptr:\t" << setw(numeric_limits<long>::digits10 + 2) << median[n/2+1][0] << " ns" << endl;
+	cout << "shared_ptr:\t" << setw(numeric_limits<long>::digits10 + 2) << median[n/2+1][1] << " ns" << endl;
+	cout << "block_ptr:\t" << setw(numeric_limits<long>::digits10 + 2) << median[n/2+1][2] << " ns" << endl;
         cout << endl;
         
-	for (int i = 0; i < 5; ++ i)
+	for (int i = 0; i < n; ++ i)
         {
                 clock_gettime(CLOCK_PROCESS_CPUTIME_ID, & ts[0]); 
                 worker_new< auto_ptr<int>, int >();
@@ -113,9 +101,9 @@
         }
 
         cout << "new:" << endl;
-	cout << "auto_ptr:\t" << setw(numeric_limits<long>::digits10 + 2) << median[3][0] << " ns" << endl;
-	cout << "shared_ptr:\t" << setw(numeric_limits<long>::digits10 + 2) << median[3][1] << " ns" << endl;
-	cout << "block_ptr:\t" << setw(numeric_limits<long>::digits10 + 2) << median[3][2] << " ns" << endl;
+	cout << "auto_ptr:\t" << setw(numeric_limits<long>::digits10 + 2) << median[n/2+1][0] << " ns" << endl;
+	cout << "shared_ptr:\t" << setw(numeric_limits<long>::digits10 + 2) << median[n/2+1][1] << " ns" << endl;
+	cout << "block_ptr:\t" << setw(numeric_limits<long>::digits10 + 2) << median[n/2+1][2] << " ns" << endl;
         cout << endl;
         
     return 0;