1 files changed, 60 insertions, 0 deletions
diff --git a/src/boost/libs/compute/perf/perf_bolt_merge.cpp b/src/boost/libs/compute/perf/perf_bolt_merge.cpp
new file mode 100644
index 00000000..c5ee12ac
--- /dev/null
+++ b/src/boost/libs/compute/perf/perf_bolt_merge.cpp
@@ -0,0 +1,60 @@
+//---------------------------------------------------------------------------//
+// Copyright (c) 2015 Jakub Szuppe <j.szuppe@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://boostorg.github.com/compute for more information.
+//---------------------------------------------------------------------------//
+
+#include <iostream>
+#include <algorithm>
+#include <vector>
+
+#include <bolt/cl/merge.h>
+#include <bolt/cl/copy.h>
+#include <bolt/cl/device_vector.h>
+
+#include "perf.hpp"
+
+int main(int argc, char *argv[])
+{
+    perf_parse_args(argc, argv);
+
+    std::cout << "size: " << PERF_N << std::endl;
+
+    bolt::cl::control ctrl = bolt::cl::control::getDefault();
+    ::cl::Device device = ctrl.getDevice();
+    std::cout << "device: " << device.getInfo<CL_DEVICE_NAME>() << std::endl;
+    
+    // create vector of random numbers on the host
+    std::vector<int> host_vec1 = generate_random_vector<int>(std::floor(PERF_N / 2.0));
+    std::vector<int> host_vec2 = generate_random_vector<int>(std::ceil(PERF_N / 2.0));
+    // sort them
+    std::sort(host_vec1.begin(), host_vec1.end());
+    std::sort(host_vec2.begin(), host_vec2.end());
+
+    // create device vectors
+    bolt::cl::device_vector<int> device_vec1(PERF_N);
+    bolt::cl::device_vector<int> device_vec2(PERF_N);
+    bolt::cl::device_vector<int> device_vec3(PERF_N);
+    
+    // transfer data to the device
+    bolt::cl::copy(host_vec1.begin(), host_vec1.end(), device_vec1.begin());
+    bolt::cl::copy(host_vec2.begin(), host_vec2.end(), device_vec2.begin());
+
+    perf_timer t;
+    for(size_t trial = 0; trial < PERF_TRIALS; trial++){
+        t.start();
+        bolt::cl::merge(
+            device_vec1.begin(), device_vec1.end(),
+            device_vec2.begin(), device_vec2.end(),
+            device_vec3.begin()
+        );
+        t.stop();
+    }
+    std::cout << "time: " << t.min_time() / 1e6 << " ms" << std::endl;
+
+    return 0;
+}