From 7b607dc5058d2f6a398cfac4d2eab65d415c3733 Mon Sep 17 00:00:00 2001
From: Anthony Barbier <anthony.barbier@arm.com>
Date: Fri, 13 Jul 2018 15:55:24 +0100
Subject: COMPMID-1400: Add command line option to specify the tuner's config
 file

Change-Id: Ib597e0dff4c8c01f7e6bd46d03824beef4bc1e9a
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/139923
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
---
 tests/main.cpp | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'tests/main.cpp')

diff --git a/tests/main.cpp b/tests/main.cpp
index 2da6804c60..aaae99157a 100644
--- a/tests/main.cpp
+++ b/tests/main.cpp
@@ -61,6 +61,17 @@ std::unique_ptr<AssetsLibrary> library;
 } // namespace test
 } // namespace arm_compute
 
+namespace
+{
+#ifdef ARM_COMPUTE_CL
+bool file_exists(const std::string &filename)
+{
+    std::ifstream file(filename);
+    return file.good();
+}
+#endif /* ARM_COMPUTE_CL */
+} //namespace
+
 int main(int argc, char **argv)
 {
 #ifdef ARM_COMPUTE_CL
@@ -106,6 +117,8 @@ int main(int argc, char **argv)
 #ifdef ARM_COMPUTE_CL
     auto enable_tuner = parser.add_option<utils::ToggleOption>("enable-tuner");
     enable_tuner->set_help("Enable OpenCL dynamic tuner");
+    auto tuner_file = parser.add_option<utils::SimpleOption<std::string>>("tuner-file", "");
+    tuner_file->set_help("File to load/save CLTuner values");
 #endif /* ARM_COMPUTE_CL */
     auto threads = parser.add_option<utils::SimpleOption<int>>("threads", 1);
     threads->set_help("Number of threads to use");
@@ -127,6 +140,16 @@ int main(int argc, char **argv)
         if(enable_tuner->is_set())
         {
             cl_tuner.set_tune_new_kernels(enable_tuner->value());
+            // If that's the first run then the file won't exist yet
+            if(file_exists(tuner_file->value()))
+            {
+                cl_tuner.load_from_file(tuner_file->value());
+            }
+        }
+        else if(!tuner_file->value().empty())
+        {
+            //If we're not tuning and the file doesn't exist then we should raise an error:
+            cl_tuner.load_from_file(tuner_file->value());
         }
 #endif /* ARM_COMPUTE_CL */
         if(options.log_level->value() > framework::LogLevel::NONE)
@@ -216,6 +239,10 @@ int main(int argc, char **argv)
 
 #ifdef ARM_COMPUTE_CL
         CLScheduler::get().sync();
+        if(enable_tuner->is_set() && enable_tuner->value() && tuner_file->is_set())
+        {
+            cl_tuner.save_to_file(tuner_file->value());
+        }
 #endif /* ARM_COMPUTE_CL */
 
         return (success ? 0 : 1);
-- 
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