198 lines
6.8 KiB
C++
198 lines
6.8 KiB
C++
/*
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//@HEADER
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// ************************************************************************
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//
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// Kokkos v. 3.0
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// Copyright (2020) National Technology & Engineering
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// Solutions of Sandia, LLC (NTESS).
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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// the U.S. Government retains certain rights in this software.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the Corporation nor the names of the
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY NTESS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NTESS OR THE
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Questions? Contact Christian R. Trott (crtrott@sandia.gov)
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//
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// ************************************************************************
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//@HEADER
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*/
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#ifndef KOKKOS_EXPERIMENTAL_ERROR_REPORTER_HPP
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#define KOKKOS_EXPERIMENTAL_ERROR_REPORTER_HPP
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#include <vector>
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#include <Kokkos_Core.hpp>
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#include <Kokkos_View.hpp>
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#include <Kokkos_DualView.hpp>
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namespace Kokkos {
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namespace Experimental {
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template <typename ReportType, typename DeviceType>
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class ErrorReporter {
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public:
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using report_type = ReportType;
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using device_type = DeviceType;
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using execution_space = typename device_type::execution_space;
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ErrorReporter(int max_results)
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: m_numReportsAttempted(""),
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m_reports("", max_results),
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m_reporters("", max_results) {
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clear();
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}
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int getCapacity() const { return m_reports.h_view.extent(0); }
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int getNumReports();
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int getNumReportAttempts();
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void getReports(std::vector<int> &reporters_out,
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std::vector<report_type> &reports_out);
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void getReports(
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typename Kokkos::View<int *,
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typename DeviceType::execution_space>::HostMirror
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&reporters_out,
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typename Kokkos::View<report_type *,
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typename DeviceType::execution_space>::HostMirror
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&reports_out);
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void clear();
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void resize(const size_t new_size);
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bool full() { return (getNumReportAttempts() >= getCapacity()); }
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KOKKOS_INLINE_FUNCTION
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bool add_report(int reporter_id, report_type report) const {
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int idx = Kokkos::atomic_fetch_add(&m_numReportsAttempted(), 1);
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if (idx >= 0 && (idx < static_cast<int>(m_reports.d_view.extent(0)))) {
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m_reporters.d_view(idx) = reporter_id;
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m_reports.d_view(idx) = report;
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return true;
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} else {
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return false;
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}
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}
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private:
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using reports_view_t = Kokkos::View<report_type *, execution_space>;
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using reports_dualview_t = Kokkos::DualView<report_type *, execution_space>;
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using host_mirror_space = typename reports_dualview_t::host_mirror_space;
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Kokkos::View<int, execution_space> m_numReportsAttempted;
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reports_dualview_t m_reports;
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Kokkos::DualView<int *, execution_space> m_reporters;
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};
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template <typename ReportType, typename DeviceType>
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inline int ErrorReporter<ReportType, DeviceType>::getNumReports() {
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int num_reports = 0;
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Kokkos::deep_copy(num_reports, m_numReportsAttempted);
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if (num_reports > static_cast<int>(m_reports.h_view.extent(0))) {
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num_reports = m_reports.h_view.extent(0);
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}
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return num_reports;
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}
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template <typename ReportType, typename DeviceType>
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inline int ErrorReporter<ReportType, DeviceType>::getNumReportAttempts() {
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int num_reports = 0;
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Kokkos::deep_copy(num_reports, m_numReportsAttempted);
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return num_reports;
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}
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template <typename ReportType, typename DeviceType>
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void ErrorReporter<ReportType, DeviceType>::getReports(
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std::vector<int> &reporters_out, std::vector<report_type> &reports_out) {
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int num_reports = getNumReports();
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reporters_out.clear();
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reporters_out.reserve(num_reports);
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reports_out.clear();
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reports_out.reserve(num_reports);
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if (num_reports > 0) {
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m_reports.template sync<host_mirror_space>();
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m_reporters.template sync<host_mirror_space>();
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for (int i = 0; i < num_reports; ++i) {
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reporters_out.push_back(m_reporters.h_view(i));
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reports_out.push_back(m_reports.h_view(i));
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}
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}
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}
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template <typename ReportType, typename DeviceType>
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void ErrorReporter<ReportType, DeviceType>::getReports(
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typename Kokkos::View<
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int *, typename DeviceType::execution_space>::HostMirror &reporters_out,
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typename Kokkos::View<report_type *,
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typename DeviceType::execution_space>::HostMirror
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&reports_out) {
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int num_reports = getNumReports();
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reporters_out =
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typename Kokkos::View<int *, typename DeviceType::execution_space>::
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HostMirror("ErrorReport::reporters_out", num_reports);
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reports_out = typename Kokkos::
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View<report_type *, typename DeviceType::execution_space>::HostMirror(
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"ErrorReport::reports_out", num_reports);
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if (num_reports > 0) {
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m_reports.template sync<host_mirror_space>();
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m_reporters.template sync<host_mirror_space>();
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for (int i = 0; i < num_reports; ++i) {
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reporters_out(i) = m_reporters.h_view(i);
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reports_out(i) = m_reports.h_view(i);
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}
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}
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}
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template <typename ReportType, typename DeviceType>
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void ErrorReporter<ReportType, DeviceType>::clear() {
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int num_reports = 0;
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Kokkos::deep_copy(m_numReportsAttempted, num_reports);
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m_reports.template modify<execution_space>();
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m_reporters.template modify<execution_space>();
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}
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template <typename ReportType, typename DeviceType>
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void ErrorReporter<ReportType, DeviceType>::resize(const size_t new_size) {
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m_reports.resize(new_size);
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m_reporters.resize(new_size);
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typename DeviceType::execution_space().fence(
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"Kokkos::Experimental::ErrorReporter::resize: fence after resizing");
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}
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} // namespace Experimental
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} // namespace Kokkos
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#endif
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