mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-20 02:55:47 +00:00
129 lines
3.8 KiB
C++
129 lines
3.8 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.
|
|
//
|
|
// Copyright 2014 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
|
|
// Copyright 2014 UT-Battelle, LLC.
|
|
// Copyright 2014 Los Alamos National Security.
|
|
//
|
|
// Under the terms of Contract DE-NA0003525 with NTESS,
|
|
// the U.S. Government retains certain rights in this software.
|
|
//
|
|
// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
|
|
// Laboratory (LANL), the U.S. Government retains certain rights in
|
|
// this software.
|
|
//============================================================================
|
|
#ifndef vtk_m_worklet_zfp_tool_h
|
|
#define vtk_m_worklet_zfp_tool_h
|
|
|
|
#include <vtkm/Math.h>
|
|
#include <vtkm/cont/Algorithm.h>
|
|
#include <vtkm/cont/ArrayHandle.h>
|
|
#include <vtkm/cont/ArrayHandleConstant.h>
|
|
#include <vtkm/cont/ArrayHandleCounting.h>
|
|
#include <vtkm/cont/AtomicArray.h>
|
|
#include <vtkm/cont/Timer.h>
|
|
#include <vtkm/worklet/DispatcherMapField.h>
|
|
|
|
#include <vtkm/worklet/zfp/ZFPEncode3.h>
|
|
|
|
using ZFPWord = vtkm::UInt64;
|
|
|
|
#include <stdio.h>
|
|
|
|
namespace vtkm
|
|
{
|
|
namespace worklet
|
|
{
|
|
namespace detail
|
|
{
|
|
|
|
class MemTransfer : public vtkm::worklet::WorkletMapField
|
|
{
|
|
public:
|
|
VTKM_CONT
|
|
MemTransfer() {}
|
|
using ControlSignature = void(FieldIn<>, WholeArrayInOut<>);
|
|
using ExecutionSignature = void(_1, _2);
|
|
|
|
template <typename PortalType>
|
|
VTKM_EXEC void operator()(const vtkm::Id id, PortalType& outValue) const
|
|
{
|
|
(void)id;
|
|
(void)outValue;
|
|
}
|
|
}; //class MemTransfer
|
|
|
|
size_t CalcMem3d(const vtkm::Id3 dims, const int bits_per_block)
|
|
{
|
|
const size_t vals_per_block = 64;
|
|
const size_t size = dims[0] * dims[1] * dims[2];
|
|
size_t total_blocks = size / vals_per_block;
|
|
const size_t bits_per_word = sizeof(ZFPWord) * 8;
|
|
const size_t total_bits = bits_per_block * total_blocks;
|
|
const size_t alloc_size = total_bits / bits_per_word;
|
|
return alloc_size * sizeof(ZFPWord);
|
|
}
|
|
|
|
|
|
size_t CalcMem2d(const vtkm::Id2 dims, const int bits_per_block)
|
|
{
|
|
constexpr size_t vals_per_block = 16;
|
|
const size_t size = dims[0] * dims[1];
|
|
size_t total_blocks = size / vals_per_block;
|
|
constexpr size_t bits_per_word = sizeof(ZFPWord) * 8;
|
|
const size_t total_bits = bits_per_block * total_blocks;
|
|
const size_t alloc_size = total_bits / bits_per_word;
|
|
return alloc_size * sizeof(ZFPWord);
|
|
}
|
|
|
|
size_t CalcMem1d(const vtkm::Id2 dims, const int bits_per_block)
|
|
{
|
|
constexpr size_t vals_per_block = 4;
|
|
const size_t size = dims[0];
|
|
size_t total_blocks = size / vals_per_block;
|
|
constexpr size_t bits_per_word = sizeof(ZFPWord) * 8;
|
|
const size_t total_bits = bits_per_block * total_blocks;
|
|
const size_t alloc_size = total_bits / bits_per_word;
|
|
return alloc_size * sizeof(ZFPWord);
|
|
}
|
|
|
|
} // namespace detail
|
|
|
|
template <typename T>
|
|
T* GetVTKMPointer(vtkm::cont::ArrayHandle<T>& handle)
|
|
{
|
|
typedef typename vtkm::cont::ArrayHandle<T> HandleType;
|
|
typedef typename HandleType::template ExecutionTypes<vtkm::cont::DeviceAdapterTagSerial>::Portal
|
|
PortalType;
|
|
typedef typename vtkm::cont::ArrayPortalToIterators<PortalType>::IteratorType IteratorType;
|
|
IteratorType iter =
|
|
vtkm::cont::ArrayPortalToIterators<PortalType>(handle.GetPortalControl()).GetBegin();
|
|
return &(*iter);
|
|
}
|
|
|
|
template <typename T>
|
|
void DataDump(vtkm::cont::ArrayHandle<T> handle, std::string fileName)
|
|
{
|
|
|
|
T* ptr = GetVTKMPointer(handle);
|
|
vtkm::Id osize = handle.GetNumberOfValues();
|
|
FILE* fp = fopen(fileName.c_str(), "wb");
|
|
;
|
|
if (fp != NULL)
|
|
{
|
|
fwrite(ptr, sizeof(T), osize, fp);
|
|
}
|
|
|
|
fclose(fp);
|
|
}
|
|
|
|
|
|
} // namespace worklet
|
|
} // namespace vtkm
|
|
#endif // vtk_m_worklet_zfp_tools_h
|