Developer Guide and Reference

  • 2021.3
  • 06/28/2021
  • Public Content
Contents

column_accessor_homogen.cpp

/******************************************************************************* * Copyright 2020-2021 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 <CL/sycl.hpp> #include <iostream> #define ONEDAL_DATA_PARALLEL #include "oneapi/dal/table/column_accessor.hpp" #include "oneapi/dal/table/homogen.hpp" #include "example_util/dpc_helpers.hpp" namespace dal = oneapi::dal; void run(sycl::queue &q) { constexpr std::int64_t row_count = 6; constexpr std::int64_t column_count = 2; const float data_host[] = { 0.f, 6.f, 1.f, 7.f, 2.f, 8.f, 3.f, 9.f, 4.f, 10.f, 5.f, 11.f, }; auto data = sycl::malloc_shared<float>(row_count * column_count, q); q.memcpy(data, data_host, sizeof(float) * row_count * column_count).wait(); auto table = dal::homogen_table{ q, data, row_count, column_count, dal::detail::make_default_delete<const float>(q) }; dal::column_accessor<const float> acc{ table }; for (std::int64_t col = 0; col < table.get_column_count(); col++) { std::cout << "column " << col << " values: "; const auto col_values = acc.pull(q, col); for (std::int64_t i = 0; i < col_values.get_count(); i++) { std::cout << col_values[i] << ", "; } std::cout << std::endl; } } int main(int argc, char const *argv[]) { for (auto d : list_devices()) { std::cout << "Running on " << d.get_info<sycl::info::device::name>() << "\n" << std::endl; auto q = sycl::queue{ d }; run(q); } return 0; }

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