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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /src/boost/libs/compute/example/threefry_engine.cpp | |
parent | Initial commit. (diff) | |
download | ceph-upstream/18.2.2.tar.xz ceph-upstream/18.2.2.zip |
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/boost/libs/compute/example/threefry_engine.cpp')
-rw-r--r-- | src/boost/libs/compute/example/threefry_engine.cpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/boost/libs/compute/example/threefry_engine.cpp b/src/boost/libs/compute/example/threefry_engine.cpp new file mode 100644 index 000000000..5cbf6c8e0 --- /dev/null +++ b/src/boost/libs/compute/example/threefry_engine.cpp @@ -0,0 +1,43 @@ +//---------------------------------------------------------------------------// +// Copyright (c) 2013 Muhammad Junaid Muzammil <mjunaidmuzammil@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 <boost/compute/random/threefry_engine.hpp> +#include <boost/compute/container/vector.hpp> +#include <boost/compute/command_queue.hpp> +#include <boost/compute/context.hpp> +#include <boost/compute/device.hpp> +#include <boost/compute/system.hpp> +#include <iostream> + +int main() +{ + using boost::compute::uint_; + boost::compute::device device = boost::compute::system::default_device(); + boost::compute::context context(device); + boost::compute::command_queue queue(context, device); + boost::compute::threefry_engine<> rng(queue); + boost::compute::vector<uint_> vector_ctr(20, context); + + uint32_t ctr[20]; + for(int i = 0; i < 10; i++) { + ctr[i*2] = i; + ctr[i*2+1] = 0; + } + boost::compute::copy(ctr, ctr+20, vector_ctr.begin(), queue); + rng.generate(vector_ctr.begin(), vector_ctr.end(), queue); + boost::compute::copy(vector_ctr.begin(), vector_ctr.end(), ctr, queue); + + for(int i = 0; i < 10; i++) { + std::cout << std::hex << ctr[i*2] << " " << ctr[i*2+1] << std::endl; + } + return 0; +} + |