Subject: [Boost-commit] svn:boost r82738 - sandbox/varray/example
From: athundt_at_[hidden]
Date: 2013-02-06 20:25:59
Author: ahundt
Date: 2013-02-04 13:29:34 EST (Mon, 04 Feb 2013)
New Revision: 82738
URL: http://svn.boost.org/trac/boost/changeset/82738
Log:
bench_varray simplified some redundant output code
Text files modified:
sandbox/varray/example/bench_varray.cpp | 38 ++++++++++++++++++--------------------
1 files changed, 18 insertions(+), 20 deletions(-)
Modified: sandbox/varray/example/bench_varray.cpp
==============================================================================
--- sandbox/varray/example/bench_varray.cpp (original)
+++ sandbox/varray/example/bench_varray.cpp 2013-02-04 13:29:34 EST (Mon, 04 Feb 2013)
@@ -27,7 +27,7 @@
#ifdef _POSIX_VERSION
#include <sys/resource.h>
-#endif
+#endif // _POSIX_VERSION
using boost::timer::cpu_timer;
using boost::timer::cpu_times;
using boost::timer::nanosecond_type;
@@ -97,6 +97,14 @@
return totalTime.elapsed();
}
+void compare_times(cpu_times time_numerator, cpu_times time_denominator){
+ std::cout
+ << "\n wall = " << ((double)time_numerator.wall/(double)time_denominator.wall)
+ << "\n user = " << ((double)time_numerator.user/(double)time_denominator.user)
+ << "\n system = " << ((double)time_numerator.system/(double)time_denominator.system)
+ << "\n (user+system) = " << ((double)(time_numerator.system+time_numerator.user)/(double)(time_denominator.system+time_denominator.user)) << "\n\n";
+}
+
int main()
{
// increase the stack space on posix platforms
@@ -125,25 +133,15 @@
std::cout << "std::vector benchmark\n";
cpu_times time_standard_vector = time_it<std::vector<std::vector<std::size_t> > >();
- std::cout << "varray/boost::container::vector total time comparison:"
- << "\n wall = " << ((double)time_varray.wall/(double)time_boost_vector.wall)
- << "\n user = " << ((double)time_varray.user/(double)time_boost_vector.user)
- << "\n system = " << ((double)time_varray.system/(double)time_boost_vector.system)
- << "\n (user+system) = " << ((double)(time_varray.system+time_varray.user)/(double)(time_boost_vector.system+time_boost_vector.user)) << "\n\n";
-
-
- std::cout << "varray/(boost::container::vector + stack_allocator) total time comparison:"
- << "\n wall = " << ((double)time_varray.wall/(double)time_boost_vector_stack.wall)
- << "\n user = " << ((double)time_varray.user/(double)time_boost_vector_stack.user)
- << "\n system = " << ((double)time_varray.system/(double)time_boost_vector_stack.system)
- << "\n (user+system) = " << ((double)(time_varray.system+time_varray.user)/(double)(time_boost_vector_stack.system+time_boost_vector_stack.user)) << "\n\n";
-
-
- std::cout << "varray/std::vector total time comparison:"
- << "\n wall = " << ((double)time_varray.wall/(double)time_standard_vector.wall)
- << "\n user = " << ((double)time_varray.user/(double)time_standard_vector.user)
- << "\n system = " << ((double)time_varray.system/(double)time_standard_vector.system)
- << "\n (user+system) = " << ((double)(time_varray.system+time_varray.user)/(double)(time_standard_vector.system+time_standard_vector.user)) << '\n';
+ std::cout << "varray/boost::container::vector total time comparison:";
+ compare_times(time_varray, time_boost_vector);
+
+ std::cout << "varray/(boost::container::vector + stack_allocator) total time comparison:";
+ compare_times(time_varray, time_boost_vector_stack);
+
+ std::cout << "varray/std::vector total time comparison:";
+ compare_times(time_varray,time_standard_vector);
+
}catch(std::exception e){
std::cout << e.what();
}