Moved some tuning functions from .hpp to .cpp

1 files changed, 84 insertions, 0 deletions

diff --git a/src/tuning/tuning.cpp b/src/tuning/tuning.cpp
index e69de29b..bd8337b4 100644
--- a/src/tuning/tuning.cpp
+++ b/src/tuning/tuning.cpp
@@ -0,0 +1,84 @@
+
+// =================================================================================================
+// 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 implements the generic CLBlast auto-tuner (inspired by CLTune). This is only used for
+//  the optional and stand-alone tuner binaries and not part of the core of CLBlast.
+//
+// =================================================================================================
+
+#include <vector>
+#include <string>
+#include <random>
+#include <utility>
+#include <algorithm>
+#include <iostream>
+
+#include "utilities/utilities.hpp"
+#include "tuning/tuning.hpp"
+
+namespace clblast {
+// =================================================================================================
+
+void PrintTimingsToFileAsJSON(const std::string &filename,
+                              const Device& device, const Platform& platform,
+                              const std::vector<std::pair<std::string,std::string>> &metadata,
+                              const std::vector<TuningResult>& tuning_results) {
+  auto num_results = tuning_results.size();
+  printf("* Writing a total of %zu results to '%s'\n", num_results, filename.c_str());
+
+  auto file = fopen(filename.c_str(), "w");
+  fprintf(file, "{\n");
+  for (auto &datum: metadata) {
+    fprintf(file, "  \"%s\": \"%s\",\n", datum.first.c_str(), datum.second.c_str());
+  }
+  fprintf(file, "  \"platform_version\": \"%s\",\n", platform.Version().c_str());
+  fprintf(file, "  \"clblast_device_name\": \"%s\",\n", GetDeviceName(device).c_str());
+  fprintf(file, "  \"clblast_device_vendor\": \"%s\",\n", platform.Vendor().c_str());
+  fprintf(file, "  \"clblast_device_type\": \"%s\",\n", device.Type().c_str());
+  fprintf(file, "  \"clblast_device_architecture\": \"%s\",\n", GetDeviceArchitecture(device).c_str());
+  fprintf(file, "  \"device_core_clock\": \"%zu\",\n", device.CoreClock());
+  fprintf(file, "  \"device_compute_units\": \"%zu\",\n", device.ComputeUnits());
+  fprintf(file, "  \"results\": [\n");
+
+  // Loops over all results
+  for (auto r = size_t{0}; r < num_results; ++r) {
+    auto result = tuning_results[r];
+    fprintf(file, "    {\n");
+    fprintf(file, "      \"kernel\": \"%s\",\n", result.name.c_str());
+    fprintf(file, "      \"time\": %.3lf,\n", result.score);
+
+    // Loops over all the parameters for this result
+    fprintf(file, "      \"parameters\": {");
+    auto num_configs = result.config.size();
+    auto p = size_t{0};
+    for (const auto parameter : result.config) {
+      fprintf(file, "\"%s\": %zu", parameter.first.c_str(), parameter.second);
+      if (p < num_configs -1 ) { fprintf(file, ","); }
+      ++p;
+    }
+    fprintf(file, "}\n");
+
+    // The footer
+    fprintf(file, "    }");
+    if (r < num_results - 1) { fprintf(file, ","); }
+    fprintf(file, "\n");
+  }
+  fprintf(file, "  ]\n");
+  fprintf(file, "}\n");
+  fclose(file);
+}
+
+void print_separator(const size_t parameters_size) {
+  printf("x------x-------x");
+  for (auto i = size_t{0}; i < parameters_size; ++i) { printf("-----"); }
+  printf("-x----------x------------x--------x-------------------x\n");
+}
+
+// =================================================================================================
+} // namespace clblast