50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
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//---------------------------------------------------------------------------//
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// Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com>
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//
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// Distributed under the Boost Software License, Version 1.0
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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//
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// See http://boostorg.github.com/compute for more information.
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//---------------------------------------------------------------------------//
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//[copy_data_example
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#include <vector>
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#include <boost/compute/algorithm/copy.hpp>
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#include <boost/compute/container/vector.hpp>
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namespace compute = boost::compute;
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int main()
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{
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// get default device and setup context
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compute::device device = compute::system::default_device();
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compute::context context(device);
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compute::command_queue queue(context, device);
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// create data array on host
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int host_data[] = { 1, 3, 5, 7, 9 };
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// create vector on device
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compute::vector<int> device_vector(5, context);
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// copy from host to device
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compute::copy(
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host_data, host_data + 5, device_vector.begin(), queue
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);
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// create vector on host
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std::vector<int> host_vector(5);
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// copy data back to host
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compute::copy(
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device_vector.begin(), device_vector.end(), host_vector.begin(), queue
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);
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return 0;
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}
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//]
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