//***************************************************************************** // Copyright 2017-2020 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 t0 = std::make_shared<op::Add>(a, b); auto t1 = std::make_shared<op::Multiply>(t0, c); // Make the function auto f = std::make_shared<Function>(OutputVector{t1}, ParameterVector{a, b, c}); // Create 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, sizeof(v_a)); t_b->write(&v_b, sizeof(v_b)); t_c->write(&v_c, sizeof(v_c)); // Invoke the function auto exec = backend->compile(f); exec->call({t_result}, {t_a, t_b, t_c}); // Get the result float r[2][3]; t_result->read(&r, 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; }