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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkPartitionBalancer.h"
#include "vtkFieldData.h"
#include "vtkImageData.h"
#include "vtkLogger.h"
#include "vtkMPIController.h"
#include "vtkMultiProcessController.h"
#include "vtkNew.h"
#include "vtkPartitionedDataSet.h"
#include "vtkPartitionedDataSetCollection.h"
#include "vtkStringArray.h"
namespace
{
constexpr const char* names[2][4] = { { "r0_PD0_DS0", "r0_PD0_DS1", "r0_PD0_DS2", "r0_PD1_DS0" },
{ "r1_PD0_DS0", "r2_PD0_DS1", nullptr, nullptr } };
//----------------------------------------------------------------------------
vtkNew<vtkImageData> GenerateDataSet(int rank, int id)
{
vtkNew<vtkStringArray> array;
array->SetName(names[rank][id]);
vtkNew<vtkImageData> ds;
ds->GetFieldData()->AddArray(array);
return ds;
}
//----------------------------------------------------------------------------
bool TestExpandPDS0(vtkPartitionedDataSet* outPDS0, int rank)
{
bool retVal = true;
if (outPDS0->GetNumberOfPartitions() != 5)
{
vtkLog(ERROR,
"Wrong number of generated partitions in PD0 in rank "
<< rank << ". There are " << outPDS0->GetNumberOfPartitions() << " instead of 5.");
retVal = false;
}
vtkDataSet* outDS0 = outPDS0->GetPartition(0);
vtkDataSet* outDS1 = outPDS0->GetPartition(1);
vtkDataSet* outDS2 = outPDS0->GetPartition(2);
vtkDataSet* outDS3 = outPDS0->GetPartition(3);
vtkDataSet* outDS4 = outPDS0->GetPartition(4);
if (rank == 0)
{
if (!outDS0 || !outDS1 || !outDS2)
{
vtkLog(ERROR,
"Output partitioned data set r0 - PD0 has nullptr at wrong places."
<< " All those pointers should be non nullptr: DS0 == " << outDS0 << ", DS1 == " << outDS1
<< ", DS2 == " << outDS2);
retVal = false;
}
if (retVal != EXIT_FAILURE &&
(!outDS0->GetFieldData()->GetAbstractArray(names[0][0]) ||
!outDS1->GetFieldData()->GetAbstractArray(names[0][1]) ||
!outDS2->GetFieldData()->GetAbstractArray(names[0][2])))
{
vtkLog(ERROR, "Output partitioned data set r0 - PD0 have been wrongly copied.");
retVal = false;
}
if (outDS3 || outDS4)
{
vtkLog(ERROR,
"Output partitioned data set r0 - PD0"
<< " should have nullptr at partition 3 and 4");
retVal = false;
}
}
if (rank == 1)
{
if (!outDS3 || !outDS4)
{
vtkLog(ERROR,
"Output partitioned data set r1 - PD0 has nullptr at wrong places."
<< " All those pointers should be non nullptr: DS3 == " << outDS3
<< ", DS4 == " << outDS4);
retVal = false;
}
if (retVal != EXIT_FAILURE &&
(!outDS3->GetFieldData()->GetAbstractArray(names[1][0]) ||
!outDS4->GetFieldData()->GetAbstractArray(names[1][1])))
{
vtkLog(ERROR, "Output partitioned data set r1 - PD0 have been wrongly copied.");
retVal = false;
}
if (outDS0 || outDS1 || outDS2)
{
vtkLog(ERROR,
"Output partitioned data set r1 - PD0"
<< " should have nullptr at partition 3 and 4");
retVal = false;
}
}
return retVal;
}
//----------------------------------------------------------------------------
bool TestExpandPDS1(vtkPartitionedDataSet* outPDS1, int rank)
{
bool retVal = true;
if (outPDS1->GetNumberOfPartitions() != 1)
{
vtkLog(ERROR,
"Wrong number of generated partitions in PD0 in rank "
<< rank << ". There are " << outPDS1->GetNumberOfPartitions() << " instead of 1.");
retVal = false;
}
vtkDataSet* outDS100 = outPDS1->GetPartition(0);
if (rank == 0)
{
if (!outDS100)
{
vtkLog(ERROR, "Output partitioned data set r0 - PD1 has a nullptr partition.");
retVal = false;
}
else if (!outDS100->GetFieldData()->GetAbstractArray(names[0][3]))
{
vtkLog(ERROR, "DS100 has been wrongly copied in rank 0.");
}
}
if (rank == 1)
{
if (outDS100)
{
vtkLog(ERROR, "Output partitioned data set r1 - PD1 should have a nullptr partition.");
retVal = false;
}
}
return retVal;
}
//----------------------------------------------------------------------------
bool TestSquashPDS0(vtkPartitionedDataSet* outPDS0, int rank)
{
bool retVal = true;
if (outPDS0->GetNumberOfPartitions() != 3)
{
vtkLog(ERROR,
"Wrong number of generated partitions in PD0 in rank "
<< rank << ". There are " << outPDS0->GetNumberOfPartitions() << " instead of 3.");
retVal = false;
}
if (rank == 0)
{
vtkDataSet* outDS0 = outPDS0->GetPartition(0);
vtkDataSet* outDS1 = outPDS0->GetPartition(1);
vtkDataSet* outDS2 = outPDS0->GetPartition(2);
if (!outDS0 || !outDS1 || !outDS2)
{
vtkLog(ERROR,
"Output partitioned data set r0 - PD0 has nullptr at wrong places."
<< " All those pointers should be non nullptr: DS0 == " << outDS0 << ", DS1 == " << outDS1
<< ", DS2 == " << outDS2);
retVal = false;
}
if (retVal &&
(!outDS0->GetFieldData()->GetAbstractArray(names[0][0]) ||
!outDS1->GetFieldData()->GetAbstractArray(names[0][1]) ||
!outDS2->GetFieldData()->GetAbstractArray(names[0][2])))
{
vtkLog(ERROR, "Output partitioned data set r0 - PD0 have been wrongly copied.");
retVal = false;
}
}
if (rank == 1)
{
vtkDataSet* outDS3 = outPDS0->GetPartition(0);
vtkDataSet* outDS4 = outPDS0->GetPartition(1);
vtkDataSet* outDS5 = outPDS0->GetPartition(2);
if (!outDS3 || !outDS4)
{
vtkLog(ERROR,
"Output partitioned data set r1 - PD0 has nullptr at wrong places."
<< " All those pointers should be non nullptr: DS3 == " << outDS3
<< ", DS4 == " << outDS4);
retVal = false;
}
if (retVal &&
(!outDS3->GetFieldData()->GetAbstractArray(names[1][0]) ||
!outDS4->GetFieldData()->GetAbstractArray(names[1][1])))
{
vtkLog(ERROR, "Output partitioned data set r1 - PD0 have been wrongly copied.");
retVal = false;
}
if (outDS5)
{
vtkLog(ERROR,
"Output partitioned data set r1 - PD0"
<< " should have nullptr at partition 2");
retVal = false;
}
}
return retVal;
}
//----------------------------------------------------------------------------
bool TestSquashPDS1(vtkPartitionedDataSet* outPDS1, int rank)
{
bool retVal = true;
if (outPDS1->GetNumberOfPartitions() != 1)
{
vtkLog(ERROR,
"Wrong number of generated partitions in PD1 in rank "
<< rank << ". There are " << outPDS1->GetNumberOfPartitions() << " instead of 1.");
retVal = false;
}
vtkDataSet* outDS100 = outPDS1->GetPartition(0);
if (rank == 0)
{
if (!outDS100)
{
vtkLog(ERROR, "Output partitioned data set r0 - PD1 has a nullptr partition.");
retVal = false;
}
else if (!outDS100->GetFieldData()->GetAbstractArray(names[0][3]))
{
vtkLog(ERROR, "DS100 has been wrongly copied in rank 0.");
}
}
if (rank == 1)
{
if (outDS100)
{
vtkLog(ERROR, "Output partitioned data set r1 - PD1 should have a nullptr partition.");
retVal = false;
}
}
return retVal;
}
} // anonmymous namespace
//----------------------------------------------------------------------------
int TestPartitionBalancer(int argc, char* argv[])
{
int retVal = EXIT_SUCCESS;
vtkNew<vtkMPIController> controller;
controller->Initialize(&argc, &argv);
vtkMultiProcessController::SetGlobalController(controller);
int rank = controller->GetLocalProcessId();
vtkNew<vtkPartitionedDataSetCollection> pdsc;
pdsc->SetNumberOfPartitionedDataSets(2);
// rank 0: PDC [ PD (DS0, DS1, DS2) ] [PD (nullptr, DS100) ]
// rank 1: PDC [ PD (DS3, nullptr, DS4) ] [PD () ]
if (rank == 0)
{
vtkNew<vtkPartitionedDataSet> pds0;
pds0->SetNumberOfPartitions(3);
pds0->SetPartition(0, GenerateDataSet(0, 0));
pds0->SetPartition(1, GenerateDataSet(0, 1));
pds0->SetPartition(2, GenerateDataSet(0, 2));
pdsc->SetPartitionedDataSet(0, pds0);
vtkNew<vtkPartitionedDataSet> pds1;
pds1->SetNumberOfPartitions(2);
pds1->SetPartition(0, nullptr);
pds1->SetPartition(0, GenerateDataSet(0, 3));
pdsc->SetPartitionedDataSet(1, pds1);
}
else if (rank == 1)
{
vtkNew<vtkPartitionedDataSet> pds0;
pds0->SetNumberOfPartitions(3);
pds0->SetPartition(0, GenerateDataSet(1, 0));
pds0->SetPartition(1, nullptr);
pds0->SetPartition(2, GenerateDataSet(1, 1));
pdsc->SetPartitionedDataSet(0, pds0);
pdsc->SetPartitionedDataSet(1, vtkNew<vtkPartitionedDataSet>());
}
vtkNew<vtkPartitionBalancer> balancer;
balancer->SetInputDataObject(pdsc);
balancer->SetController(controller);
if (rank == 0)
{
vtkLog(INFO, "Testing vtkPartitionBalancer for vtkPartitionedDataSetCollection input");
}
if (rank == 0)
{
vtkLog(INFO, "*** Expand mode");
}
balancer->SetModeToExpand();
balancer->Update();
{
// Looking if output looks like that:
// rank 0: PDC [ PD (DS0, DS1, DS2, nullptr, nullptr) ] [PD (DS100) ]
// rank 1: PDC [ PD (nullptr, nullptr, nullptr, DS3, DS4) ] [PD (nullptr) ]
auto outPDSC = vtkPartitionedDataSetCollection::SafeDownCast(balancer->GetOutputDataObject(0));
if (outPDSC->GetNumberOfPartitionedDataSets() != 2)
{
vtkLog(ERROR,
"Wrong number of generated partitioned data sets in rank "
<< rank << ". There are " << outPDSC->GetNumberOfPartitionedDataSets()
<< " instead of 2");
retVal = EXIT_FAILURE;
}
retVal = !TestExpandPDS0(outPDSC->GetPartitionedDataSet(0), rank) ||
!TestExpandPDS1(outPDSC->GetPartitionedDataSet(1), rank)
? EXIT_FAILURE
: retVal;
}
if (rank == 0)
{
vtkLog(INFO, "*** Squash mode");
}
balancer->SetModeToSquash();
balancer->Update();
{
// Looking if output looks like that:
// rank 0: PDC [ PD (DS0, DS1, DS2) ] [PD (DS100) ]
// rank 1: PDC [ PD (DS3, DS4, nullptr) ] [PD (nullptr) ]
auto outPDSC = vtkPartitionedDataSetCollection::SafeDownCast(balancer->GetOutputDataObject(0));
if (outPDSC->GetNumberOfPartitionedDataSets() != 2)
{
vtkLog(ERROR,
"Wrong number of generated partitioned data sets in rank "
<< rank << ". There are " << outPDSC->GetNumberOfPartitionedDataSets()
<< " instead of 2");
retVal = EXIT_FAILURE;
}
retVal = !TestSquashPDS0(outPDSC->GetPartitionedDataSet(0), rank) ||
!TestSquashPDS1(outPDSC->GetPartitionedDataSet(1), rank)
? EXIT_FAILURE
: retVal;
}
if (rank == 0)
{
vtkLog(INFO, "Testing vtkPartitionBalancer for vtkPartitionedDataSet input");
}
// Here, we will test the same input as before, but directly feed in partitioned data sets.
if (rank == 0)
{
vtkLog(INFO, "*** Expand mode");
}
balancer->SetModeToExpand();
balancer->SetInputDataObject(pdsc->GetPartitionedDataSet(0));
balancer->Update();
retVal =
!TestExpandPDS0(vtkPartitionedDataSet::SafeDownCast(balancer->GetOutputDataObject(0)), rank)
? EXIT_FAILURE
: retVal;
balancer->SetInputDataObject(pdsc->GetPartitionedDataSet(1));
balancer->Update();
retVal =
!TestExpandPDS1(vtkPartitionedDataSet::SafeDownCast(balancer->GetOutputDataObject(0)), rank)
? EXIT_FAILURE
: retVal;
if (rank == 0)
{
vtkLog(INFO, "*** Squash mode");
}
balancer->SetModeToSquash();
balancer->SetInputDataObject(pdsc->GetPartitionedDataSet(0));
balancer->Update();
retVal =
!TestSquashPDS0(vtkPartitionedDataSet::SafeDownCast(balancer->GetOutputDataObject(0)), rank)
? EXIT_FAILURE
: retVal;
balancer->SetInputDataObject(pdsc->GetPartitionedDataSet(1));
balancer->Update();
retVal =
!TestSquashPDS1(vtkPartitionedDataSet::SafeDownCast(balancer->GetOutputDataObject(0)), rank)
? EXIT_FAILURE
: retVal;
controller->Finalize();
return retVal;
}
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