mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-10-05 01:49:02 +00:00
191 lines
7.6 KiB
C++
191 lines
7.6 KiB
C++
//============================================================================
|
|
// Copyright (c) Kitware, Inc.
|
|
// All rights reserved.
|
|
// See LICENSE.txt for details.
|
|
//
|
|
// This software is distributed WITHOUT ANY WARRANTY; without even
|
|
// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
// PURPOSE. See the above copyright notice for more information.
|
|
//============================================================================
|
|
#ifndef vtk_m_worklet_WorkletReduceByKey_h
|
|
#define vtk_m_worklet_WorkletReduceByKey_h
|
|
|
|
#include <vtkm/worklet/internal/WorkletBase.h>
|
|
|
|
#include <vtkm/cont/arg/TransportTagArrayIn.h>
|
|
#include <vtkm/cont/arg/TransportTagArrayInOut.h>
|
|
#include <vtkm/cont/arg/TransportTagArrayOut.h>
|
|
#include <vtkm/cont/arg/TransportTagKeyedValuesIn.h>
|
|
#include <vtkm/cont/arg/TransportTagKeyedValuesInOut.h>
|
|
#include <vtkm/cont/arg/TransportTagKeyedValuesOut.h>
|
|
#include <vtkm/cont/arg/TransportTagKeysIn.h>
|
|
#include <vtkm/cont/arg/TypeCheckTagArrayIn.h>
|
|
#include <vtkm/cont/arg/TypeCheckTagArrayInOut.h>
|
|
#include <vtkm/cont/arg/TypeCheckTagArrayOut.h>
|
|
#include <vtkm/cont/arg/TypeCheckTagKeys.h>
|
|
|
|
#include <vtkm/exec/internal/ReduceByKeyLookup.h>
|
|
|
|
#include <vtkm/exec/arg/FetchTagArrayDirectIn.h>
|
|
#include <vtkm/exec/arg/FetchTagArrayDirectInOut.h>
|
|
#include <vtkm/exec/arg/FetchTagArrayDirectOut.h>
|
|
#include <vtkm/exec/arg/FetchTagKeysIn.h>
|
|
#include <vtkm/exec/arg/ThreadIndicesReduceByKey.h>
|
|
#include <vtkm/exec/arg/ValueCount.h>
|
|
#include <vtkm/worklet/DispatcherReduceByKey.h>
|
|
|
|
namespace vtkm
|
|
{
|
|
namespace worklet
|
|
{
|
|
|
|
class WorkletReduceByKey : public vtkm::worklet::internal::WorkletBase
|
|
{
|
|
public:
|
|
template <typename Worklet>
|
|
using Dispatcher = vtkm::worklet::DispatcherReduceByKey<Worklet>;
|
|
/// \brief A control signature tag for input keys.
|
|
///
|
|
/// A \c WorkletReduceByKey operates by collecting all identical keys and
|
|
/// then executing the worklet on each unique key. This tag specifies a
|
|
/// \c Keys object that defines and manages these keys.
|
|
///
|
|
/// A \c WorkletReduceByKey should have exactly one \c KeysIn tag in its \c
|
|
/// ControlSignature, and the \c InputDomain should point to it.
|
|
///
|
|
struct KeysIn : vtkm::cont::arg::ControlSignatureTagBase
|
|
{
|
|
using TypeCheckTag = vtkm::cont::arg::TypeCheckTagKeys;
|
|
using TransportTag = vtkm::cont::arg::TransportTagKeysIn;
|
|
using FetchTag = vtkm::exec::arg::FetchTagKeysIn;
|
|
};
|
|
|
|
/// \brief A control signature tag for input values.
|
|
///
|
|
/// A \c WorkletReduceByKey operates by collecting all values associated with
|
|
/// identical keys and then giving the worklet a Vec-like object containing
|
|
/// all values with a matching key. This tag specifies an \c ArrayHandle
|
|
/// object that holds the values.
|
|
///
|
|
struct ValuesIn : vtkm::cont::arg::ControlSignatureTagBase
|
|
{
|
|
using TypeCheckTag = vtkm::cont::arg::TypeCheckTagArrayIn;
|
|
using TransportTag = vtkm::cont::arg::TransportTagKeyedValuesIn;
|
|
using FetchTag = vtkm::exec::arg::FetchTagArrayDirectIn;
|
|
};
|
|
|
|
/// \brief A control signature tag for input/output values.
|
|
///
|
|
/// A \c WorkletReduceByKey operates by collecting all values associated with
|
|
/// identical keys and then giving the worklet a Vec-like object containing
|
|
/// all values with a matching key. This tag specifies an \c ArrayHandle
|
|
/// object that holds the values.
|
|
///
|
|
/// This tag might not work with scatter operations.
|
|
///
|
|
struct ValuesInOut : vtkm::cont::arg::ControlSignatureTagBase
|
|
{
|
|
using TypeCheckTag = vtkm::cont::arg::TypeCheckTagArrayInOut;
|
|
using TransportTag = vtkm::cont::arg::TransportTagKeyedValuesInOut;
|
|
using FetchTag = vtkm::exec::arg::FetchTagArrayDirectIn;
|
|
};
|
|
|
|
/// \brief A control signature tag for output values.
|
|
///
|
|
/// A \c WorkletReduceByKey operates by collecting all values associated with
|
|
/// identical keys and then giving the worklet a Vec-like object containing
|
|
/// all values with a matching key. This tag specifies an \c ArrayHandle
|
|
/// object that holds the values.
|
|
///
|
|
/// This tag might not work with scatter operations.
|
|
///
|
|
struct ValuesOut : vtkm::cont::arg::ControlSignatureTagBase
|
|
{
|
|
using TypeCheckTag = vtkm::cont::arg::TypeCheckTagArrayOut;
|
|
using TransportTag = vtkm::cont::arg::TransportTagKeyedValuesOut;
|
|
using FetchTag = vtkm::exec::arg::FetchTagArrayDirectIn;
|
|
};
|
|
|
|
/// \brief A control signature tag for reduced output values.
|
|
///
|
|
/// A \c WorkletReduceByKey operates by collecting all identical keys and
|
|
/// calling one instance of the worklet for those identical keys. The worklet
|
|
/// then produces a "reduced" value per key.
|
|
///
|
|
/// This tag specifies an \c ArrayHandle object that holds the values. It is
|
|
/// an input array with entries for each reduced value. This could be useful
|
|
/// to access values from a previous run of WorkletReduceByKey.
|
|
///
|
|
struct ReducedValuesIn : vtkm::cont::arg::ControlSignatureTagBase
|
|
{
|
|
using TypeCheckTag = vtkm::cont::arg::TypeCheckTagArrayIn;
|
|
using TransportTag = vtkm::cont::arg::TransportTagArrayIn;
|
|
using FetchTag = vtkm::exec::arg::FetchTagArrayDirectIn;
|
|
};
|
|
|
|
/// \brief A control signature tag for reduced output values.
|
|
///
|
|
/// A \c WorkletReduceByKey operates by collecting all identical keys and
|
|
/// calling one instance of the worklet for those identical keys. The worklet
|
|
/// then produces a "reduced" value per key.
|
|
///
|
|
/// This tag specifies an \c ArrayHandle object that holds the values. It is
|
|
/// an input/output array with entries for each reduced value. This could be
|
|
/// useful to access values from a previous run of WorkletReduceByKey.
|
|
///
|
|
struct ReducedValuesInOut : vtkm::cont::arg::ControlSignatureTagBase
|
|
{
|
|
using TypeCheckTag = vtkm::cont::arg::TypeCheckTagArrayInOut;
|
|
using TransportTag = vtkm::cont::arg::TransportTagArrayInOut;
|
|
using FetchTag = vtkm::exec::arg::FetchTagArrayDirectInOut;
|
|
};
|
|
|
|
/// \brief A control signature tag for reduced output values.
|
|
///
|
|
/// A \c WorkletReduceByKey operates by collecting all identical keys and
|
|
/// calling one instance of the worklet for those identical keys. The worklet
|
|
/// then produces a "reduced" value per key. This tag specifies an \c
|
|
/// ArrayHandle object that holds the values.
|
|
///
|
|
struct ReducedValuesOut : vtkm::cont::arg::ControlSignatureTagBase
|
|
{
|
|
using TypeCheckTag = vtkm::cont::arg::TypeCheckTagArrayOut;
|
|
using TransportTag = vtkm::cont::arg::TransportTagArrayOut;
|
|
using FetchTag = vtkm::exec::arg::FetchTagArrayDirectOut;
|
|
};
|
|
|
|
/// \brief The \c ExecutionSignature tag to get the number of values.
|
|
///
|
|
/// A \c WorkletReduceByKey operates by collecting all values associated with
|
|
/// identical keys and then giving the worklet a Vec-like object containing all
|
|
/// values with a matching key. This \c ExecutionSignature tag provides the
|
|
/// number of values associated with the key and given in the Vec-like objects.
|
|
///
|
|
struct ValueCount : vtkm::exec::arg::ValueCount
|
|
{
|
|
};
|
|
|
|
/// Reduce by key worklets use the related thread indices class.
|
|
///
|
|
VTKM_SUPPRESS_EXEC_WARNINGS
|
|
template <typename OutToInArrayType,
|
|
typename VisitArrayType,
|
|
typename ThreadToOutArrayType,
|
|
typename InputDomainType>
|
|
VTKM_EXEC vtkm::exec::arg::ThreadIndicesReduceByKey GetThreadIndices(
|
|
vtkm::Id threadIndex,
|
|
const OutToInArrayType& outToIn,
|
|
const VisitArrayType& visit,
|
|
const ThreadToOutArrayType& threadToOut,
|
|
const InputDomainType& inputDomain) const
|
|
{
|
|
const vtkm::Id outIndex = threadToOut.Get(threadIndex);
|
|
return vtkm::exec::arg::ThreadIndicesReduceByKey(
|
|
threadIndex, outToIn.Get(outIndex), visit.Get(outIndex), outIndex, inputDomain);
|
|
}
|
|
};
|
|
}
|
|
} // namespace vtkm::worklet
|
|
|
|
#endif //vtk_m_worklet_WorkletReduceByKey_h
|