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-rw-r--r--src/boost/libs/compute/perf/perf_thrust_accumulate.cu45
1 files changed, 45 insertions, 0 deletions
diff --git a/src/boost/libs/compute/perf/perf_thrust_accumulate.cu b/src/boost/libs/compute/perf/perf_thrust_accumulate.cu
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+++ b/src/boost/libs/compute/perf/perf_thrust_accumulate.cu
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+//---------------------------------------------------------------------------//
+// Copyright (c) 2013-2014 Kyle Lutz <kyle.r.lutz@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 <algorithm>
+#include <cstdlib>
+#include <iostream>
+
+#include <thrust/copy.h>
+#include <thrust/device_vector.h>
+#include <thrust/generate.h>
+#include <thrust/host_vector.h>
+#include <thrust/reduce.h>
+
+#include "perf.hpp"
+
+int main(int argc, char *argv[])
+{
+ perf_parse_args(argc, argv);
+
+ std::cout << "size: " << PERF_N << std::endl;
+ thrust::host_vector<int> h_vec = generate_random_vector<int>(PERF_N);
+
+ // transfer data to the device
+ thrust::device_vector<int> d_vec = h_vec;
+
+ int sum = 0;
+ perf_timer t;
+ for(size_t trial = 0; trial < PERF_TRIALS; trial++){
+ t.start();
+ sum = thrust::reduce(d_vec.begin(), d_vec.end());
+ cudaDeviceSynchronize();
+ t.stop();
+ }
+ std::cout << "time: " << t.min_time() / 1e6 << " ms" << std::endl;
+ std::cout << "sum: " << sum << std::endl;
+
+ return 0;
+}