COMPMID-734: CLTuner rework

Change-Id: I8f20d6ea8a09869d71003e7b08e0d33775282f6c
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/125802
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/tests/validation/CL/UNIT/Tuner.cpp b/tests/validation/CL/UNIT/Tuner.cpp
new file mode 100644
index 0000000..26d21b5
--- /dev/null
+++ b/tests/validation/CL/UNIT/Tuner.cpp
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "arm_compute/core/CL/kernels/CLDirectConvolutionLayerKernel.h"
+#include "arm_compute/runtime/CL/CLScheduler.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+#include "arm_compute/runtime/CL/tuners/BifrostTuner.h"
+#include "support/ToolchainSupport.h"
+#include "tests/Utils.h"
+#include "tests/framework/Asserts.h"
+#include "tests/framework/Macros.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+TEST_SUITE(CL)
+TEST_SUITE(UNIT)
+TEST_SUITE(Tuner)
+
+/** Validates static tuning of Bifrost tuner */
+TEST_CASE(BifrostTunerSimple, framework::DatasetMode::ALL)
+{
+    // Create tuner
+    tuners::BifrostTuner tuner;
+
+    // Create tensors
+    auto src     = create_tensor<CLTensor>(TensorShape(13U, 13U, 16U), DataType::F32);
+    auto weights = create_tensor<CLTensor>(TensorShape(3U, 3U, 16U, 3U), DataType::F32);
+    auto bias    = create_tensor<CLTensor>(TensorShape(3U), DataType::F32);
+    auto dst     = create_tensor<CLTensor>(TensorShape(13U, 13U, 3U), DataType::F32);
+
+    // Create kernel
+    cl::NDRange                    fake_lws(2000);
+    CLDirectConvolutionLayerKernel conv;
+    conv.set_target(GPUTarget::G72);
+
+    // Hard-wire lws to kernel and validate lws
+    conv.set_lws_hint(fake_lws);
+    ARM_COMPUTE_EXPECT(conv.lws_hint()[0] == 2000, framework::LogLevel::ERRORS);
+
+    // Configure
+    conv.configure(&src, &weights, &bias, &dst, PadStrideInfo(1, 1, 1, 1));
+    ARM_COMPUTE_EXPECT(conv.lws_hint()[0] == 2000, framework::LogLevel::ERRORS);
+
+    // Tune kernel and validate
+    tuner.tune_kernel_static(conv);
+    ARM_COMPUTE_EXPECT(conv.lws_hint()[0] != 2000, framework::LogLevel::ERRORS);
+
+    // Clear tuner
+    CLScheduler::get().default_init();
+}
+TEST_SUITE_END()
+TEST_SUITE_END()
+TEST_SUITE_END()
+} // namespace validation
+} // namespace test
+} // namespace arm_compute