Merge pull request #163 from roshanr95/distribution-benchmarks

Add benchmarks for the new disributions

perf/CMakeLists.txt

@@ -11,9 +11,11 @@ include_directories(SYSTEM ${Boost_INCLUDE_DIRS})
 
 set(BENCHMARKS
   accumulate
+  bernoulli_distribution
   cart_to_polar
   copy_to_device
   count
+  discrete_distribution
   erase_remove
   find_end
   includes
@@ -42,6 +44,7 @@ set(BENCHMARKS
   sort_by_key
   sort_float
   stable_partition
+  uniform_int_distribution
   unique
   unique_copy
   exclusive_scan

perf/perf_bernoulli_distribution.cpp

@@ -0,0 +1,46 @@
+//---------------------------------------------------------------------------//
+// Copyright (c) 2014 Roshan <thisisroshansmail@gmail.com>
+//
+// Distributed under the Boost Software License, Version 1.0
+// See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt
+//
+// See http://kylelutz.github.com/compute for more information.
+//---------------------------------------------------------------------------//
+
+#include <algorithm>
+#include <iostream>
+#include <vector>
+
+#include <boost/compute/system.hpp>
+#include <boost/compute/container/vector.hpp>
+#include <boost/compute/random/default_random_engine.hpp>
+#include <boost/compute/random/bernoulli_distribution.hpp>
+
+#include "perf.hpp"
+
+namespace compute = boost::compute;
+
+int main(int argc, char *argv[])
+{
+    perf_parse_args(argc, argv);
+    std::cout << "size: " << PERF_N << std::endl;
+
+    compute::device device = compute::system::default_device();
+    compute::context context(device);
+    compute::command_queue queue(context, device);
+
+    compute::vector<bool> vector(PERF_N, context);
+
+    compute::default_random_engine rng(queue);
+    compute::bernoulli_distribution<float> dist(0.5);
+
+    perf_timer t;
+    t.start();
+    dist.generate(vector.begin(), vector.end(), rng, queue);
+    queue.finish();
+    t.stop();
+    std::cout << "time: " << t.min_time() / 1e6 << " ms" << std::endl;
+
+    return 0;
+}

perf/perf_discrete_distribution.cpp

@@ -0,0 +1,48 @@
+//---------------------------------------------------------------------------//
+// Copyright (c) 2014 Roshan <thisisroshansmail@gmail.com>
+//
+// Distributed under the Boost Software License, Version 1.0
+// See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt
+//
+// See http://kylelutz.github.com/compute for more information.
+//---------------------------------------------------------------------------//
+
+#include <algorithm>
+#include <iostream>
+#include <vector>
+
+#include <boost/compute/system.hpp>
+#include <boost/compute/container/vector.hpp>
+#include <boost/compute/random/default_random_engine.hpp>
+#include <boost/compute/random/discrete_distribution.hpp>
+
+#include "perf.hpp"
+
+namespace compute = boost::compute;
+
+int main(int argc, char *argv[])
+{
+    perf_parse_args(argc, argv);
+    std::cout << "size: " << PERF_N << std::endl;
+
+    compute::device device = compute::system::default_device();
+    compute::context context(device);
+    compute::command_queue queue(context, device);
+
+    compute::vector<unsigned int> vector(PERF_N, context);
+
+    int weights[] = {1, 1};
+
+    compute::default_random_engine rng(queue);
+    compute::discrete_distribution<uint> dist(weights, weights+2);
+
+    perf_timer t;
+    t.start();
+    dist.generate(vector.begin(), vector.end(), rng, queue);
+    queue.finish();
+    t.stop();
+    std::cout << "time: " << t.min_time() / 1e6 << " ms" << std::endl;
+
+    return 0;
+}

perf/perf_uniform_int_distribution.cpp

@@ -0,0 +1,46 @@
+//---------------------------------------------------------------------------//
+// Copyright (c) 2014 Roshan <thisisroshansmail@gmail.com>
+//
+// Distributed under the Boost Software License, Version 1.0
+// See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt
+//
+// See http://kylelutz.github.com/compute for more information.
+//---------------------------------------------------------------------------//
+
+#include <algorithm>
+#include <iostream>
+#include <vector>
+
+#include <boost/compute/system.hpp>
+#include <boost/compute/container/vector.hpp>
+#include <boost/compute/random/default_random_engine.hpp>
+#include <boost/compute/random/uniform_int_distribution.hpp>
+
+#include "perf.hpp"
+
+namespace compute = boost::compute;
+
+int main(int argc, char *argv[])
+{
+    perf_parse_args(argc, argv);
+    std::cout << "size: " << PERF_N << std::endl;
+
+    compute::device device = compute::system::default_device();
+    compute::context context(device);
+    compute::command_queue queue(context, device);
+
+    compute::vector<unsigned int> vector(PERF_N, context);
+
+    compute::default_random_engine rng(queue);
+    compute::uniform_int_distribution<uint> dist(0, 1);
+
+    perf_timer t;
+    t.start();
+    dist.generate(vector.begin(), vector.end(), rng, queue);
+    queue.finish();
+    t.stop();
+    std::cout << "time: " << t.min_time() / 1e6 << " ms" << std::endl;
+
+    return 0;
+}