1 files changed, 90 insertions, 0 deletions
diff --git a/src/boost/libs/numeric/ublas/benchmarks/outer_prod.cpp b/src/boost/libs/numeric/ublas/benchmarks/outer_prod.cpp
new file mode 100644
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--- /dev/null
+++ b/src/boost/libs/numeric/ublas/benchmarks/outer_prod.cpp
@@ -0,0 +1,90 @@
+//
+// Copyright (c) 2018 Stefan Seefeld
+// All rights reserved.
+//
+// This file is part of Boost.uBLAS. It is made available under the
+// Boost Software License, Version 1.0.
+// (Consult LICENSE or http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/numeric/ublas/vector.hpp>
+#include <boost/program_options.hpp>
+#include "init.hpp"
+#include "benchmark.hpp"
+#include <complex>
+#include <string>
+
+namespace boost { namespace numeric { namespace ublas { namespace benchmark {
+
+template <typename S> class outer_prod;
+
+template <typename R, typename V1, typename V2>
+class outer_prod<R(V1, V2)> : public benchmark
+{
+public:
+  outer_prod(std::string const &name) : benchmark(name) {}
+  virtual void setup(long l)
+  {
+    init(a, l, 200);
+    init(b, l, 200);
+  }
+  virtual void operation(long l)
+  {
+    c = ublas::outer_prod(a, b);
+  }
+private:
+  V1 a;
+  V2 b;
+  R c;
+};
+
+}}}}
+
+namespace po = boost::program_options;
+namespace ublas = boost::numeric::ublas;
+namespace bm = boost::numeric::ublas::benchmark;
+
+template <typename T>
+void benchmark(std::string const &type)
+{
+  using vector = ublas::vector<T>;
+  using matrix = ublas::matrix<T>;
+  bm::outer_prod<matrix(vector, vector)> p("outer_prod(vector<" + type + ">)");
+  p.run(std::vector<long>({1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096}));
+}
+
+int main(int argc, char **argv)
+{
+  po::variables_map vm;
+  try
+  {
+    po::options_description desc("Outer product\n"
+                                 "Allowed options");
+    desc.add_options()("help,h", "produce help message");
+    desc.add_options()("type,t", po::value<std::string>(), "select value-type (float, double, fcomplex, dcomplex)");
+
+    po::store(po::parse_command_line(argc, argv, desc), vm);
+    po::notify(vm);
+
+    if (vm.count("help"))
+    {
+      std::cout << desc << std::endl;
+      return 0;
+    }
+  }
+  catch(std::exception &e)
+  {
+    std::cerr << "error: " << e.what() << std::endl;
+    return 1;
+  }
+  std::string type = vm.count("type") ? vm["type"].as<std::string>() : "float";
+  if (type == "float")
+    benchmark<float>("float");
+  else if (type == "double")
+    benchmark<double>("double");
+  else if (type == "fcomplex")
+    benchmark<std::complex<float>>("std::complex<float>");
+  else if (type == "dcomplex")
+    benchmark<std::complex<double>>("std::complex<double>");
+  else
+    std::cerr << "unsupported value-type \"" << vm["type"].as<std::string>() << '\"' << std::endl;
+}