/******************************************************************************* * Copyright 2017-2018 Intel Corporation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *******************************************************************************/ #include <iostream> #include <ngraph/ngraph.hpp> using namespace ngraph; int main() { // Build the graph Shape s{2, 3}; auto a = std::make_shared<op::Parameter>(element::f32, s); auto b = std::make_shared<op::Parameter>(element::f32, s); auto c = std::make_shared<op::Parameter>(element::f32, s); auto t1 = (a + b) * c; // Make the function auto f = std::make_shared<Function>(NodeVector{t1}, op::ParameterVector{a, b, c}); // Get the backend auto backend = runtime::Backend::create("CPU"); // Allocate tensors for arguments a, b, c auto t_a = backend->create_tensor(element::f32, s); auto t_b = backend->create_tensor(element::f32, s); auto t_c = backend->create_tensor(element::f32, s); // Allocate tensor for the result auto t_result = backend->create_tensor(element::f32, s); // Initialize tensors float v_a[2][3] = {{1, 2, 3}, {4, 5, 6}}; float v_b[2][3] = {{7, 8, 9}, {10, 11, 12}}; float v_c[2][3] = {{1, 0, -1}, {-1, 1, 2}}; t_a->write(&v_a, 0, sizeof(v_a)); t_b->write(&v_b, 0, sizeof(v_b)); t_c->write(&v_c, 0, sizeof(v_c)); // Invoke the function backend->call(f, {t_result}, {t_a, t_b, t_c}); // Get the result float r[2][3]; t_result->read(&r, 0, sizeof(r)); std::cout << "[" << std::endl; for (size_t i = 0; i < s[0]; ++i) { std::cout << " ["; for (size_t j = 0; j < s[1]; ++j) { std::cout << r[i][j] << ' '; } std::cout << ']' << std::endl; } std::cout << ']' << std::endl; return 0; }