Moved timing function to a separate file

1 files changed, 39 insertions, 0 deletions

diff --git a/src/utilities/timing.hpp b/src/utilities/timing.hpp
new file mode 100644
index 00000000..3d66de2a
--- /dev/null
+++ b/src/utilities/timing.hpp
@@ -0,0 +1,39 @@
+
+// =================================================================================================
+// This file is part of the CLBlast project. The project is licensed under Apache Version 2.0. This
+// project loosely follows the Google C++ styleguide and uses a tab-size of two spaces and a max-
+// width of 100 characters per line.
+//
+// Author(s):
+//   Cedric Nugteren <www.cedricnugteren.nl>
+//
+// This file provides helper functions for time measurement and such.
+//
+// =================================================================================================
+
+#ifndef CLBLAST_TIMING_H_
+#define CLBLAST_TIMING_H_
+
+#include <vector>
+#include <chrono>
+
+namespace clblast {
+// =================================================================================================
+
+template <typename F>
+double TimeFunction(const size_t num_runs, F const &function) {
+  auto timings = std::vector<double>(num_runs);
+  for (auto &timing: timings) {
+    const auto start_time = std::chrono::steady_clock::now();
+    function();
+    const auto elapsed_time = std::chrono::steady_clock::now() - start_time;
+    timing = std::chrono::duration<double,std::milli>(elapsed_time).count();
+  }
+  return *std::min_element(timings.begin(), timings.end());
+}
+
+// =================================================================================================
+} // namespace clblast
+
+// CLBLAST_TIMING_H_
+#endif