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+/*
+ * Copyright (c) 2022 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/runtime/RuntimeContext.h"
+
+#include "tests/CL/CLAccessor.h"
+#include "tests/framework/Macros.h"
+#include "tests/framework/ParametersLibrary.h"
+#include "tests/validation/Validation.h"
+#include "arm_compute/runtime/CL/functions/CLActivationLayer.h"
+#include "arm_compute/runtime/CL/functions/CLPixelWiseMultiplication.h"
+#include "tests/validation/reference/ActivationLayer.h"
+#include "tests/validation/reference/PixelWiseMultiplication.h"
+#include <thread>
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+TEST_SUITE(CL)
+TEST_SUITE(UNIT)
+TEST_SUITE(RuntimeContext)
+// This test tries scheduling work concurrently from two independent threads
+TEST_CASE(MultipleThreadedScheduller, framework::DatasetMode::ALL)
+{
+ constexpr auto num_threads(16u);
+ std::array<CLActivationLayer, num_threads> func{};
+ std::array<CLPixelWiseMultiplication, num_threads> pmul{};
+ std::array<CLTensor, num_threads> s0{};
+ std::array<CLTensor, num_threads> s1{};
+
+ std::array<CLTensor, num_threads> st{};
+ std::array<CLTensor, num_threads> dt{};
+
+ const TensorShape tensor_shape(128u, 4u, 5u);
+ const ActivationLayerInfo ainfo(ActivationLayerInfo::ActivationFunction::LOGISTIC, 0.5f, 1.f);
+ std::array<std::thread, num_threads> threads;
+ auto ctx = parameters->get_ctx<CLTensor>();
+
+ for(auto i = 0u; i < num_threads; ++i)
+ {
+ s0[i] = create_tensor<CLTensor>(tensor_shape, DataType::F32, 1);
+ s1[i] = create_tensor<CLTensor>(tensor_shape, DataType::F32, 1);
+ st[i] = create_tensor<CLTensor>(tensor_shape, DataType::F32, 1);
+ dt[i] = create_tensor<CLTensor>(tensor_shape, DataType::F32, 1);
+ func[i] = CLActivationLayer(ctx);
+ pmul[i] = CLPixelWiseMultiplication();
+ threads[i] =
+ std::thread([&,i]
+ {
+ auto &s = st[i];
+ auto &t = dt[i];
+ auto &p0 = s0[i];
+ auto &p1 = s1[i];
+ pmul[i].configure(&p0, &p1, &s, 1.f, ConvertPolicy::WRAP, RoundingPolicy::TO_NEAREST_UP);
+ func[i].configure(&s, &t, ainfo);
+ s.allocator()->allocate();
+ t.allocator()->allocate();
+ p0.allocator()->allocate();
+ p1.allocator()->allocate();
+ library->fill_tensor_uniform(CLAccessor(p0), 0, -1.f, 1.f);
+ library->fill_tensor_uniform(CLAccessor(p1), 0, -1.f, 1.f);
+ pmul[i].run();
+ func[i].run();
+ });
+ }
+
+ for(auto &t : threads)
+ {
+ t.join();
+ }
+
+ SimpleTensor<float> rs{ tensor_shape, DataType::F32, 1 };
+ SimpleTensor<float> ra{ tensor_shape, DataType::F32, 1 };
+ SimpleTensor<float> rb{ tensor_shape, DataType::F32, 1 };
+ library->fill_tensor_uniform(ra, 0, -1.f, 1.f);
+ library->fill_tensor_uniform(rb, 0, -1.f, 1.f);
+ const auto mul = reference::pixel_wise_multiplication<float, float, float>(ra, rb, 1.f, ConvertPolicy::WRAP, RoundingPolicy::TO_NEAREST_UP, DataType::F32);
+ const auto golden = reference::activation_layer<float>(mul, ainfo);
+ for(auto &d : dt)
+ {
+ validate(CLAccessor(d), golden);
+ }
+}
+
+TEST_SUITE_END() // MultipleThreadedScheduller
+TEST_SUITE_END() // UNIT
+TEST_SUITE_END() // CL
+} // namespace validation
+} // namespace test
+} // namespace arm_compute