124 lines
3.1 KiB
C++
124 lines
3.1 KiB
C++
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//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//
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// Copyright 2016 Sandia Corporation.
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// Copyright 2016 UT-Battelle, LLC.
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// Copyright 2016 Los Alamos National Security.
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#include <vtkm/cont/RuntimeDeviceTracker.h>
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#include <vtkm/cont/DeviceAdapter.h>
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#include <vtkm/cont/DeviceAdapterListTag.h>
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#include <vtkm/cont/ErrorBadValue.h>
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#include <vtkm/cont/serial/DeviceAdapterSerial.h>
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#include <vtkm/cont/cuda/DeviceAdapterCuda.h>
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#include <vtkm/cont/tbb/DeviceAdapterTBB.h>
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#include <cstring>
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#include <sstream>
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#define VTKM_MAX_DEVICE_ADAPTER_ID 8
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namespace vtkm {
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namespace cont {
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namespace detail {
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struct RuntimeDeviceTrackerInternals
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{
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bool RuntimeValid[VTKM_MAX_DEVICE_ADAPTER_ID];
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};
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}
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VTKM_CONT
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RuntimeDeviceTracker::RuntimeDeviceTracker()
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: Internals(new detail::RuntimeDeviceTrackerInternals)
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{
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this->Reset();
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}
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VTKM_CONT
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RuntimeDeviceTracker::~RuntimeDeviceTracker()
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{ }
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VTKM_CONT
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void RuntimeDeviceTracker::CheckDevice(
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vtkm::cont::DeviceAdapterId deviceId,
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const vtkm::cont::DeviceAdapterNameType &deviceName) const
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{
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if ((deviceId < 0) || (deviceId >= VTKM_MAX_DEVICE_ADAPTER_ID))
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{
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std::stringstream message;
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message << "Device '" << deviceName << "' has invalid ID of " << deviceId;
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throw vtkm::cont::ErrorBadValue(message.str());
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}
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}
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VTKM_CONT
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bool RuntimeDeviceTracker::CanRunOnImpl(
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vtkm::cont::DeviceAdapterId deviceId,
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const vtkm::cont::DeviceAdapterNameType &deviceName) const
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{
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this->CheckDevice(deviceId, deviceName);
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return this->Internals->RuntimeValid[deviceId];
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}
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VTKM_CONT
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void RuntimeDeviceTracker::SetDeviceState(
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vtkm::cont::DeviceAdapterId deviceId,
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const vtkm::cont::DeviceAdapterNameType &deviceName,
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bool state)
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{
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this->CheckDevice(deviceId, deviceName);
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this->Internals->RuntimeValid[deviceId] = state;
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}
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namespace {
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struct VTKM_NEVER_EXPORT RuntimeDeviceTrackerResetFunctor
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{
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vtkm::cont::RuntimeDeviceTracker Tracker;
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VTKM_CONT
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RuntimeDeviceTrackerResetFunctor(
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const vtkm::cont::RuntimeDeviceTracker &tracker)
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: Tracker(tracker)
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{ }
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template<typename Device>
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VTKM_CONT
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void operator()(Device)
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{
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this->Tracker.ResetDevice(Device());
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}
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};
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}
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VTKM_CONT
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void RuntimeDeviceTracker::Reset()
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{
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std::memset(this->Internals->RuntimeValid, 0, VTKM_MAX_DEVICE_ADAPTER_ID);
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RuntimeDeviceTrackerResetFunctor functor(*this);
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vtkm::ListForEach(functor, VTKM_DEFAULT_DEVICE_ADAPTER_LIST_TAG());
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}
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}
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} // namespace vtkm::cont
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