arm_compute v17.12
diff --git a/examples/cl_sgemm.cpp b/examples/cl_sgemm.cpp
new file mode 100644
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+++ b/examples/cl_sgemm.cpp
@@ -0,0 +1,216 @@
+/*
+ * Copyright (c) 2017 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.
+ */
+#ifndef ARM_COMPUTE_CL /* Needed by Utils.cpp to handle OpenCL exceptions properly */
+#error "This example needs to be built with -DARM_COMPUTE_CL"
+#endif /* ARM_COMPUTE_CL */
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/CLFunctions.h"
+#include "arm_compute/runtime/CL/CLScheduler.h"
+#include "arm_compute/runtime/CL/CLTuner.h"
+#include "utils/Utils.h"
+
+#include <cstdlib>
+
+using namespace arm_compute;
+using namespace utils;
+
+void main_cl_sgemm(int argc, const char **argv)
+{
+ NPYLoader npy0, npy1, npy2;
+ CLTensor src0, src1, src2, dst;
+ float alpha = 1.0f, beta = 0.0f;
+
+ CLTuner tuner;
+ CLScheduler::get().default_init(&tuner);
+
+ std::ifstream stream;
+ if(argc > 1)
+ {
+ stream.open(argv[1], std::fstream::in);
+ }
+
+ if(argc < 3 || (argc < 4 && stream.bad()))
+ {
+ // Print help
+ std::cout << "Usage: 1) ./build/cl_sgemm input_matrix_1.npy input_matrix_2.npy [input_matrix_3.npy] [alpha = 1] [beta = 0]\n";
+ std::cout << " 2) ./build/cl_sgemm M N K [alpha = 1.0f] [beta = 0.0f]\n\n";
+ std::cout << "Too few or no input_matrices provided. Using M=7, N=3, K=5, alpha=1.0f and beta=0.0f\n\n";
+
+ src0.allocator()->init(TensorInfo(TensorShape(5U, 7U), 1, DataType::F32));
+ src1.allocator()->init(TensorInfo(TensorShape(3U, 5U), 1, DataType::F32));
+ src2.allocator()->init(TensorInfo(TensorShape(3U, 7U), 1, DataType::F32));
+ }
+ else
+ {
+ if(stream.good()) /* case file1.npy file2.npy [file3.npy] [alpha = 1.0f] [beta = 0.0f] */
+ {
+ npy0.open(argv[1]);
+ npy0.init_tensor(src0, DataType::F32);
+ npy1.open(argv[2]);
+ npy1.init_tensor(src1, DataType::F32);
+
+ if(argc > 3)
+ {
+ stream.close();
+ stream.clear();
+ stream.open(argv[3], std::fstream::in);
+ if(stream.good()) /* case with third file */
+ {
+ npy2.open(argv[3]);
+ npy2.init_tensor(src2, DataType::F32);
+
+ if(argc > 4)
+ {
+ // Convert string to float
+ alpha = strtof(argv[4], nullptr);
+
+ if(argc > 5)
+ {
+ // Convert string to float
+ beta = strtof(argv[5], nullptr);
+ }
+ }
+ }
+ else /* case without third file */
+ {
+ alpha = strtof(argv[3], nullptr);
+
+ if(argc > 4)
+ {
+ beta = strtof(argv[4], nullptr);
+ }
+ }
+ }
+ }
+ else /* case M N K [alpha = 1.0f] [beta = 0.0f] */
+ {
+ size_t M = strtol(argv[1], nullptr, 10);
+ size_t N = strtol(argv[2], nullptr, 10);
+ size_t K = strtol(argv[3], nullptr, 10);
+
+ src0.allocator()->init(TensorInfo(TensorShape(K, M), 1, DataType::F32));
+ src1.allocator()->init(TensorInfo(TensorShape(N, K), 1, DataType::F32));
+ src2.allocator()->init(TensorInfo(TensorShape(N, M), 1, DataType::F32));
+
+ if(argc > 4)
+ {
+ alpha = strtof(argv[4], nullptr);
+
+ if(argc > 5)
+ {
+ beta = strtof(argv[5], nullptr);
+ }
+ }
+ }
+ }
+
+ init_sgemm_output(dst, src0, src1, DataType::F32);
+
+ // Configure function
+ CLGEMM sgemm;
+ sgemm.configure(&src0, &src1, (src2.info()->total_size() > 0) ? &src2 : nullptr, &dst, alpha, beta);
+
+ // Allocate all the images
+ src0.allocator()->allocate();
+ src1.allocator()->allocate();
+ dst.allocator()->allocate();
+
+ // Fill the input images with either the data provided or random data
+ if(npy0.is_open())
+ {
+ npy0.fill_tensor(src0);
+ npy1.fill_tensor(src1);
+
+ if(npy2.is_open())
+ {
+ src2.allocator()->allocate();
+ npy2.fill_tensor(src2);
+ }
+ }
+ else
+ {
+ src2.allocator()->allocate();
+
+ fill_random_tensor(src0, -1.f, 1.f);
+ fill_random_tensor(src1, -1.f, 1.f);
+ fill_random_tensor(src2, -1.f, 1.f);
+ }
+
+ // Dummy run for CLTuner
+ sgemm.run();
+
+ auto start = std::chrono::high_resolution_clock::now();
+
+ // Execute the function
+ sgemm.run();
+
+ // Make sure all the OpenCL jobs are done executing:
+ CLScheduler::get().sync();
+
+ auto stop = std::chrono::high_resolution_clock::now();
+
+ if(!npy0.is_open()) /* If the inputs were not files, print the results */
+ {
+ std::cout << "\nMatrix 1:" << std::endl;
+ src0.map(true);
+ src0.print(std::cout, IOFormatInfo());
+ src0.unmap();
+
+ std::cout << "Matrix 2:" << std::endl;
+ src1.map(true);
+ src1.print(std::cout, IOFormatInfo());
+ src1.unmap();
+
+ std::cout << "Matrix 3:" << std::endl;
+ src2.map(true);
+ src2.print(std::cout, IOFormatInfo());
+ src2.unmap();
+
+ std::cout << "Alpha:" << alpha << "\n\n";
+ std::cout << "Beta:" << beta << "\n\n";
+
+ std::cout << "Output Matrix:" << std::endl;
+ dst.map(true);
+ dst.print(std::cout, IOFormatInfo());
+ dst.unmap();
+ }
+ else /* Save to .npy file */
+ {
+ save_to_npy(dst, "sgemm_out.npy", npy0.is_fortran());
+ }
+
+ auto delta = std::chrono::duration_cast<std::chrono::microseconds>(stop - start);
+ std::cout << "Time elapsed: " << delta.count() << "us." << std::endl;
+}
+
+/** Main program for sgemm test
+ *
+ * @param[in] argc Number of arguments
+ * @param[in] argv Arguments ( [optional] Matrix A, [optional] Matrix B, [optional] Matrix C, [optional] alpha, [optional] beta )
+ */
+int main(int argc, const char **argv)
+{
+ return utils::run_example(argc, argv, main_cl_sgemm);
+}