CudaUtils.h File Reference

#include <stdio.h>
#include <cuda.h>
#include <cuda_runtime.h>

Go to the source code of this file.

Classes

struct  CudaStaticAssert< true >

Defines

#define WARPSIZE   32
#define WARP_FULL_MASK   0xffffffff
#define WARP_SHUFFLE_XOR(MASK, VAR, LANE, SIZE)   __shfl_xor(VAR, LANE, SIZE)
#define WARP_SHUFFLE_UP(MASK, VAR, DELTA, SIZE)   __shfl_up(VAR, DELTA, SIZE)
#define WARP_SHUFFLE_DOWN(MASK, VAR, DELTA, SIZE)   __shfl_down(VAR, DELTA, SIZE)
#define WARP_SHUFFLE(MASK, VAR, LANE, SIZE)   __shfl(VAR, LANE, SIZE)
#define WARP_ALL(MASK, P)   __all(P)
#define WARP_ANY(MASK, P)   __any(P)
#define WARP_BALLOT(MASK, P)   __ballot(P)
#define WARP_SYNC(MASK)
#define BLOCK_SYNC   __syncthreads()
#define cuda_static_assert(expr)   (CudaStaticAssert<(expr) != 0>())
#define cudaCheck(stmt)

Functions

void cudaDie (const char *msg, cudaError_t err=cudaSuccess)
void cudaNAMD_bug (const char *msg)
void clear_device_array_async_T (void *data, const int ndata, cudaStream_t stream, const size_t sizeofT)
void clear_device_array_T (void *data, const int ndata, const size_t sizeofT)
template<class T>
void clear_device_array (T *data, const int ndata, cudaStream_t stream=0)
template<class T>
void clear_device_array_sync (T *data, const int ndata)
void allocate_host_T (void **pp, const int len, const size_t sizeofT)
template<class T>
void allocate_host (T **pp, const int len)
void allocate_device_T (void **pp, const int len, const size_t sizeofT)
template<class T>
void allocate_device (T **pp, const int len)
void deallocate_device_T (void **pp)
template<class T>
void deallocate_device (T **pp)
bool reallocate_device_T (void **pp, int *curlen, const int newlen, const float fac, const size_t sizeofT)
template<class T>
bool reallocate_device (T **pp, int *curlen, const int newlen, const float fac=1.0f)
bool reallocate_host_T (void **pp, int *curlen, const int newlen, const float fac, const unsigned int flag, const size_t sizeofT)
template<class T>
bool reallocate_host (T **pp, int *curlen, const int newlen, const float fac=1.0f, const unsigned int flag=cudaHostAllocDefault)
void deallocate_host_T (void **pp)
template<class T>
void deallocate_host (T **pp)
void copy_HtoD_async_T (const void *h_array, void *d_array, int array_len, cudaStream_t stream, const size_t sizeofT)
void copy_HtoD_T (const void *h_array, void *d_array, int array_len, const size_t sizeofT)
void copy_DtoH_async_T (const void *d_array, void *h_array, const int array_len, cudaStream_t stream, const size_t sizeofT)
void copy_DtoH_T (const void *d_array, void *h_array, const int array_len, const size_t sizeofT)
void copy_DtoD_async_T (const void *d_src, void *d_dst, const int array_len, cudaStream_t stream, const size_t sizeofT)
void copy_DtoD_T (const void *d_src, void *d_dst, const int array_len, const size_t sizeofT)
template<class T>
void copy_HtoD (const T *h_array, T *d_array, int array_len, cudaStream_t stream=0)
template<class T>
void copy_HtoD_sync (const T *h_array, T *d_array, int array_len)
template<class T>
void copy_DtoH (const T *d_array, T *h_array, const int array_len, cudaStream_t stream=0)
template<class T>
void copy_DtoH_sync (const T *d_array, T *h_array, const int array_len)
template<class T>
void copy_DtoD (const T *d_src, T *h_dst, const int array_len, cudaStream_t stream=0)
template<class T>
void copy_DtoD_sync (const T *d_src, T *h_dst, const int array_len)
void copy_PeerDtoD_async_T (const int src_dev, const int dst_dev, const void *d_src, void *d_dst, const int array_len, cudaStream_t stream, const size_t sizeofT)
template<class T>
void copy_PeerDtoD (const int src_dev, const int dst_dev, const T *d_src, T *d_dst, const int array_len, cudaStream_t stream=0)
void copy3D_HtoD_T (void *src_data, void *dst_data, int src_x0, int src_y0, int src_z0, size_t src_xsize, size_t src_ysize, int dst_x0, int dst_y0, int dst_z0, size_t dst_xsize, size_t dst_ysize, size_t width, size_t height, size_t depth, size_t sizeofT, cudaStream_t stream)
template<class T>
void copy3D_HtoD (T *src_data, T *dst_data, int src_x0, int src_y0, int src_z0, size_t src_xsize, size_t src_ysize, int dst_x0, int dst_y0, int dst_z0, size_t dst_xsize, size_t dst_ysize, size_t width, size_t height, size_t depth, cudaStream_t stream=0)
void copy3D_DtoH_T (void *src_data, void *dst_data, int src_x0, int src_y0, int src_z0, size_t src_xsize, size_t src_ysize, int dst_x0, int dst_y0, int dst_z0, size_t dst_xsize, size_t dst_ysize, size_t width, size_t height, size_t depth, size_t sizeofT, cudaStream_t stream)
template<class T>
void copy3D_DtoH (T *src_data, T *dst_data, int src_x0, int src_y0, int src_z0, size_t src_xsize, size_t src_ysize, int dst_x0, int dst_y0, int dst_z0, size_t dst_xsize, size_t dst_ysize, size_t width, size_t height, size_t depth, cudaStream_t stream=0)
void copy3D_DtoD_T (void *src_data, void *dst_data, int src_x0, int src_y0, int src_z0, size_t src_xsize, size_t src_ysize, int dst_x0, int dst_y0, int dst_z0, size_t dst_xsize, size_t dst_ysize, size_t width, size_t height, size_t depth, size_t sizeofT, cudaStream_t stream)
template<class T>
void copy3D_DtoD (T *src_data, T *dst_data, int src_x0, int src_y0, int src_z0, size_t src_xsize, size_t src_ysize, int dst_x0, int dst_y0, int dst_z0, size_t dst_xsize, size_t dst_ysize, size_t width, size_t height, size_t depth, cudaStream_t stream=0)
void copy3D_PeerDtoD_T (int src_dev, int dst_dev, void *src_data, void *dst_data, int src_x0, int src_y0, int src_z0, size_t src_xsize, size_t src_ysize, int dst_x0, int dst_y0, int dst_z0, size_t dst_xsize, size_t dst_ysize, size_t width, size_t height, size_t depth, size_t sizeofT, cudaStream_t stream)
template<class T>
void copy3D_PeerDtoD (int src_dev, int dst_dev, T *src_data, T *dst_data, int src_x0, int src_y0, int src_z0, size_t src_xsize, size_t src_ysize, int dst_x0, int dst_y0, int dst_z0, size_t dst_xsize, size_t dst_ysize, size_t width, size_t height, size_t depth, cudaStream_t stream=0)


Define Documentation

#define BLOCK_SYNC   __syncthreads()

Definition at line 44 of file CudaUtils.h.

Referenced by bondedForcesKernel(), calcTileListPosKernel(), gather_force(), GBIS_P1_Kernel(), GBIS_P2_Kernel(), GBIS_P3_Kernel(), localSort(), modifiedExclusionForcesKernel(), scalar_sum_kernel(), spread_charge_kernel(), transpose_xyz_yzx_device(), and transpose_xyz_zxy_device().

#define cuda_static_assert ( expr   )     (CudaStaticAssert<(expr) != 0>())

Definition at line 69 of file CudaUtils.h.

Referenced by reduceVariables().

#define cudaCheck ( stmt   ) 

Value:

do {                                 \
        cudaError_t err = stmt;                            \
  if (err != cudaSuccess) {                          \
        char msg[128];  \
          sprintf(msg, "%s in file %s, function %s\n", #stmt,__FILE__,__FUNCTION__); \
          cudaDie(msg, err); \
  }                                                  \
} while(0)

Definition at line 79 of file CudaUtils.h.

Referenced by allocate_device_T(), allocate_host_T(), CudaFFTCompute::backward(), batchTranspose_xyz_yzx(), batchTranspose_xyz_zxy(), CudaComputeNonbondedKernel::bindExclusions(), bindTextureObject(), ComputeBondedCUDAKernel::bondedForce(), CudaTileListKernel::buildTileLists(), clear_device_array_async_T(), clear_device_array_T(), ComputeBondedCUDAKernel::ComputeBondedCUDAKernel(), copy3D_DtoD_T(), copy3D_DtoH_T(), copy3D_HtoD_T(), copy3D_PeerDtoD_T(), copy_DtoD_async_T(), copy_DtoD_T(), copy_DtoH_async_T(), copy_DtoH_T(), copy_HtoD_async_T(), copy_HtoD_T(), copy_PeerDtoD_async_T(), CudaPmeRealSpaceCompute::copyAtoms(), CudaPmeTranspose::copyDataDeviceToDevice(), CudaPmeTranspose::copyDataDeviceToHost(), CudaPmeTranspose::copyDataHostToDevice(), createStream(), CudaComputeNonbonded::CudaComputeNonbonded(), CudaNonbondedTables::CudaNonbondedTables(), CudaPmeKSpaceCompute::CudaPmeKSpaceCompute(), CudaPmeRealSpaceCompute::CudaPmeRealSpaceCompute(), CudaPmeTranspose::CudaPmeTranspose(), deallocate_device_T(), deallocate_host_T(), doStreaming(), ComputeNonbondedCUDA::doWork(), CudaPmeKSpaceCompute::energyAndVirialSetCallback(), CudaComputeNonbonded::finishReductions(), CudaTileListKernel::finishTileList(), CudaFFTCompute::forward(), gather_force(), CudaPmeRealSpaceCompute::gatherForce(), CudaPmeRealSpaceCompute::gatherForceSetCallback(), DeviceCUDA::getMaxNumBlocks(), DeviceCUDA::getMaxNumThreads(), DeviceCUDA::initialize(), CudaComputeNonbonded::initialize(), ComputePmeCUDADevice::initialize(), ComputePmeCUDAMgr::initialize_pencils(), CudaPmePencilZ::initializeDevice(), CudaPmePencilY::initializeDevice(), CudaPmePencilX::initializeDevice(), CudaPmePencilXY::initializeDevice(), CudaComputeNonbonded::launchWork(), CudaComputeNonbondedKernel::nonbondedForce(), read_CUDA_ARCH(), reallocate_device_T(), reallocate_host_T(), CudaComputeNonbondedKernel::reduceVirialEnergy(), CudaTileListKernel::reSortTileLists(), scalar_sum(), CudaPmeTranspose::setDataPtrsYZX(), CudaPmeTranspose::setDataPtrsZXY(), CudaPmeKSpaceCompute::solve(), spread_charge(), CudaPmeRealSpaceCompute::spreadCharge(), transpose_xyz_yzx(), transpose_xyz_zxy(), CudaPmeTranspose::transposeXYZtoYZX(), CudaPmeTranspose::transposeXYZtoZXY(), CudaPmeRealSpaceCompute::waitGatherForceDone(), CudaPmeTranspose::waitStreamSynchronize(), writeComplexToDisk(), writeRealToDisk(), ComputeBondedCUDAKernel::~ComputeBondedCUDAKernel(), ComputePmeCUDADevice::~ComputePmeCUDADevice(), ComputePmeCUDAMgr::~ComputePmeCUDAMgr(), CudaComputeNonbonded::~CudaComputeNonbonded(), CudaComputeNonbondedKernel::~CudaComputeNonbondedKernel(), CudaFFTCompute::~CudaFFTCompute(), CudaNonbondedTables::~CudaNonbondedTables(), CudaPmeKSpaceCompute::~CudaPmeKSpaceCompute(), CudaPmePencilX::~CudaPmePencilX(), CudaPmePencilXY::~CudaPmePencilXY(), CudaPmePencilY::~CudaPmePencilY(), CudaPmePencilZ::~CudaPmePencilZ(), CudaPmeRealSpaceCompute::~CudaPmeRealSpaceCompute(), CudaPmeTranspose::~CudaPmeTranspose(), and CudaTileListKernel::~CudaTileListKernel().

#define WARP_ALL ( MASK,
 )     __all(P)

Definition at line 40 of file CudaUtils.h.

#define WARP_ANY ( MASK,
 )     __any(P)

Definition at line 41 of file CudaUtils.h.

#define WARP_BALLOT ( MASK,
 )     __ballot(P)

Definition at line 42 of file CudaUtils.h.

Referenced by gather_force(), and repackTileListsKernel().

#define WARP_FULL_MASK   0xffffffff

Definition at line 11 of file CudaUtils.h.

Referenced by bondedForcesKernel(), buildTileListsBBKernel(), cuda_pme_charges_batched_dev(), cuda_pme_charges_dev(), cuda_pme_forces_dev(), gather_force(), GBIS_P1_Kernel(), GBIS_P2_Kernel(), GBIS_P3_Kernel(), modifiedExclusionForcesKernel(), reduceVariables(), repackTileListsKernel(), scalar_sum_kernel(), GBISResults< 3 >::shuffleNext(), GBISInput< 3 >::shuffleNext(), GBISResults< 2 >::shuffleNext(), GBISInput< 2 >::shuffleNext(), GBISResults< 1 >::shuffleNext(), GBISInput< 1 >::shuffleNext(), and shuffleNext().

#define WARP_SHUFFLE ( MASK,
VAR,
LANE,
SIZE   )     __shfl(VAR, LANE, SIZE)

Definition at line 38 of file CudaUtils.h.

Referenced by gather_force(), GBIS_P1_Kernel(), GBIS_P2_Kernel(), GBIS_P3_Kernel(), scalar_sum_kernel(), GBISResults< 3 >::shuffleNext(), GBISInput< 3 >::shuffleNext(), GBISResults< 2 >::shuffleNext(), GBISInput< 2 >::shuffleNext(), GBISResults< 1 >::shuffleNext(), GBISInput< 1 >::shuffleNext(), and shuffleNext().

#define WARP_SHUFFLE_DOWN ( MASK,
VAR,
DELTA,
SIZE   )     __shfl_down(VAR, DELTA, SIZE)

Definition at line 36 of file CudaUtils.h.

#define WARP_SHUFFLE_UP ( MASK,
VAR,
DELTA,
SIZE   )     __shfl_up(VAR, DELTA, SIZE)

Definition at line 34 of file CudaUtils.h.

#define WARP_SHUFFLE_XOR ( MASK,
VAR,
LANE,
SIZE   )     __shfl_xor(VAR, LANE, SIZE)

Definition at line 32 of file CudaUtils.h.

Referenced by bondedForcesKernel(), modifiedExclusionForcesKernel(), and reduceVariables().

#define WARP_SYNC ( MASK   ) 

Definition at line 43 of file CudaUtils.h.

Referenced by cuda_pme_charges_batched_dev(), cuda_pme_charges_dev(), and cuda_pme_forces_dev().

#define WARPSIZE   32

Definition at line 9 of file CudaUtils.h.


Function Documentation

template<class T>
void allocate_device ( T **  pp,
const int  len 
)

Definition at line 146 of file CudaUtils.h.

References allocate_device_T().

00146                                             {
00147   allocate_device_T((void **)pp, len, sizeof(T));
00148 }

void allocate_device_T ( void **  pp,
const int  len,
const size_t  sizeofT 
)

Definition at line 58 of file CudaUtils.C.

References cudaCheck.

Referenced by allocate_device().

00058                                                                        {
00059   cudaCheck(cudaMalloc(pp, sizeofT*len));
00060 }

template<class T>
void allocate_host ( T **  pp,
const int  len 
)

Definition at line 133 of file CudaUtils.h.

References allocate_host_T().

00133                                           {
00134   allocate_host_T((void **)pp, len, sizeof(T));
00135 }

void allocate_host_T ( void **  pp,
const int  len,
const size_t  sizeofT 
)

Definition at line 48 of file CudaUtils.C.

References cudaCheck.

Referenced by allocate_host().

00048                                                                      {
00049   cudaCheck(cudaMallocHost(pp, sizeofT*len));
00050 }

template<class T>
void clear_device_array ( T *  data,
const int  ndata,
cudaStream_t  stream = 0 
)

Definition at line 116 of file CudaUtils.h.

References clear_device_array_async_T(), and stream.

00116                                                                          {
00117   clear_device_array_async_T(data, ndata, stream, sizeof(T));
00118 }

void clear_device_array_async_T ( void *  data,
const int  ndata,
cudaStream_t  stream,
const size_t  sizeofT 
)

Definition at line 34 of file CudaUtils.C.

References cudaCheck.

Referenced by clear_device_array().

00034                                                                                                         {
00035   cudaCheck(cudaMemsetAsync(data, 0, sizeofT*ndata, stream));
00036 }

template<class T>
void clear_device_array_sync ( T *  data,
const int  ndata 
)

Definition at line 121 of file CudaUtils.h.

References clear_device_array_T().

00121                                                        {
00122   clear_device_array_T(data, ndata, sizeof(T));
00123 }

void clear_device_array_T ( void *  data,
const int  ndata,
const size_t  sizeofT 
)

Definition at line 38 of file CudaUtils.C.

References cudaCheck.

Referenced by clear_device_array_sync().

00038                                                                              {
00039   cudaCheck(cudaMemset(data, 0, sizeofT*ndata));
00040 }

template<class T>
void copy3D_DtoD ( T *  src_data,
T *  dst_data,
int  src_x0,
int  src_y0,
int  src_z0,
size_t  src_xsize,
size_t  src_ysize,
int  dst_x0,
int  dst_y0,
int  dst_z0,
size_t  dst_xsize,
size_t  dst_ysize,
size_t  width,
size_t  height,
size_t  depth,
cudaStream_t  stream = 0 
)

Definition at line 360 of file CudaUtils.h.

References copy3D_DtoD_T(), and stream.

00366                          {
00367   copy3D_DtoD_T(src_data, dst_data,
00368     src_x0, src_y0, src_z0,
00369     src_xsize, src_ysize,
00370     dst_x0, dst_y0, dst_z0,
00371     dst_xsize, dst_ysize,
00372     width, height, depth,
00373     sizeof(T), stream);
00374 }

void copy3D_DtoD_T ( void *  src_data,
void *  dst_data,
int  src_x0,
int  src_y0,
int  src_z0,
size_t  src_xsize,
size_t  src_ysize,
int  dst_x0,
int  dst_y0,
int  dst_z0,
size_t  dst_xsize,
size_t  dst_ysize,
size_t  width,
size_t  height,
size_t  depth,
size_t  sizeofT,
cudaStream_t  stream 
)

Definition at line 258 of file CudaUtils.C.

References cudaCheck.

Referenced by copy3D_DtoD().

00264                                        {
00265   cudaMemcpy3DParms parms = {0};
00266 
00267   parms.srcPos = make_cudaPos(sizeofT*src_x0, src_y0, src_z0);
00268   parms.srcPtr = make_cudaPitchedPtr(src_data, sizeofT*src_xsize, src_xsize, src_ysize);
00269 
00270   parms.dstPos = make_cudaPos(sizeofT*dst_x0, dst_y0, dst_z0);
00271   parms.dstPtr = make_cudaPitchedPtr(dst_data, sizeofT*dst_xsize, dst_xsize, dst_ysize);
00272 
00273   parms.extent = make_cudaExtent(sizeofT*width, height, depth);
00274   parms.kind = cudaMemcpyDeviceToDevice;
00275 
00276   cudaCheck(cudaMemcpy3DAsync(&parms, stream));
00277 }

template<class T>
void copy3D_DtoH ( T *  src_data,
T *  dst_data,
int  src_x0,
int  src_y0,
int  src_z0,
size_t  src_xsize,
size_t  src_ysize,
int  dst_x0,
int  dst_y0,
int  dst_z0,
size_t  dst_xsize,
size_t  dst_ysize,
size_t  width,
size_t  height,
size_t  depth,
cudaStream_t  stream = 0 
)

Definition at line 331 of file CudaUtils.h.

References copy3D_DtoH_T(), and stream.

00337                          {
00338   copy3D_DtoH_T(src_data, dst_data,
00339     src_x0, src_y0, src_z0,
00340     src_xsize, src_ysize,
00341     dst_x0, dst_y0, dst_z0,
00342     dst_xsize, dst_ysize,
00343     width, height, depth,
00344     sizeof(T), stream);
00345 }

void copy3D_DtoH_T ( void *  src_data,
void *  dst_data,
int  src_x0,
int  src_y0,
int  src_z0,
size_t  src_xsize,
size_t  src_ysize,
int  dst_x0,
int  dst_y0,
int  dst_z0,
size_t  dst_xsize,
size_t  dst_ysize,
size_t  width,
size_t  height,
size_t  depth,
size_t  sizeofT,
cudaStream_t  stream 
)

Definition at line 233 of file CudaUtils.C.

References cudaCheck.

Referenced by copy3D_DtoH().

00239                                        {
00240   cudaMemcpy3DParms parms = {0};
00241 
00242   parms.srcPos = make_cudaPos(sizeofT*src_x0, src_y0, src_z0);
00243   parms.srcPtr = make_cudaPitchedPtr(src_data, sizeofT*src_xsize, src_xsize, src_ysize);
00244 
00245   parms.dstPos = make_cudaPos(sizeofT*dst_x0, dst_y0, dst_z0);
00246   parms.dstPtr = make_cudaPitchedPtr(dst_data, sizeofT*dst_xsize, dst_xsize, dst_ysize);
00247 
00248   parms.extent = make_cudaExtent(sizeofT*width, height, depth);
00249   parms.kind = cudaMemcpyDeviceToHost;
00250 
00251   cudaCheck(cudaMemcpy3DAsync(&parms, stream));
00252 }

template<class T>
void copy3D_HtoD ( T *  src_data,
T *  dst_data,
int  src_x0,
int  src_y0,
int  src_z0,
size_t  src_xsize,
size_t  src_ysize,
int  dst_x0,
int  dst_y0,
int  dst_z0,
size_t  dst_xsize,
size_t  dst_ysize,
size_t  width,
size_t  height,
size_t  depth,
cudaStream_t  stream = 0 
)

Definition at line 302 of file CudaUtils.h.

References copy3D_HtoD_T(), and stream.

00308                          {
00309   copy3D_HtoD_T(src_data, dst_data,
00310     src_x0, src_y0, src_z0,
00311     src_xsize, src_ysize,
00312     dst_x0, dst_y0, dst_z0,
00313     dst_xsize, dst_ysize,
00314     width, height, depth,
00315     sizeof(T), stream);
00316 }

void copy3D_HtoD_T ( void *  src_data,
void *  dst_data,
int  src_x0,
int  src_y0,
int  src_z0,
size_t  src_xsize,
size_t  src_ysize,
int  dst_x0,
int  dst_y0,
int  dst_z0,
size_t  dst_xsize,
size_t  dst_ysize,
size_t  width,
size_t  height,
size_t  depth,
size_t  sizeofT,
cudaStream_t  stream 
)

Definition at line 208 of file CudaUtils.C.

References cudaCheck.

Referenced by copy3D_HtoD().

00214                                        {
00215   cudaMemcpy3DParms parms = {0};
00216 
00217   parms.srcPos = make_cudaPos(sizeofT*src_x0, src_y0, src_z0);
00218   parms.srcPtr = make_cudaPitchedPtr(src_data, sizeofT*src_xsize, src_xsize, src_ysize);
00219 
00220   parms.dstPos = make_cudaPos(sizeofT*dst_x0, dst_y0, dst_z0);
00221   parms.dstPtr = make_cudaPitchedPtr(dst_data, sizeofT*dst_xsize, dst_xsize, dst_ysize);
00222 
00223   parms.extent = make_cudaExtent(sizeofT*width, height, depth);
00224   parms.kind = cudaMemcpyHostToDevice;
00225 
00226   cudaCheck(cudaMemcpy3DAsync(&parms, stream));
00227 }

template<class T>
void copy3D_PeerDtoD ( int  src_dev,
int  dst_dev,
T *  src_data,
T *  dst_data,
int  src_x0,
int  src_y0,
int  src_z0,
size_t  src_xsize,
size_t  src_ysize,
int  dst_x0,
int  dst_y0,
int  dst_z0,
size_t  dst_xsize,
size_t  dst_ysize,
size_t  width,
size_t  height,
size_t  depth,
cudaStream_t  stream = 0 
)

Definition at line 390 of file CudaUtils.h.

References copy3D_PeerDtoD_T(), and stream.

00397                          {
00398   copy3D_PeerDtoD_T(src_dev, dst_dev,
00399     src_data, dst_data,
00400     src_x0, src_y0, src_z0,
00401     src_xsize, src_ysize,
00402     dst_x0, dst_y0, dst_z0,
00403     dst_xsize, dst_ysize,
00404     width, height, depth,
00405     sizeof(T), stream);
00406 }

void copy3D_PeerDtoD_T ( int  src_dev,
int  dst_dev,
void *  src_data,
void *  dst_data,
int  src_x0,
int  src_y0,
int  src_z0,
size_t  src_xsize,
size_t  src_ysize,
int  dst_x0,
int  dst_y0,
int  dst_z0,
size_t  dst_xsize,
size_t  dst_ysize,
size_t  width,
size_t  height,
size_t  depth,
size_t  sizeofT,
cudaStream_t  stream 
)

Definition at line 283 of file CudaUtils.C.

References cudaCheck.

Referenced by copy3D_PeerDtoD().

00290                                        {
00291   cudaMemcpy3DPeerParms parms = {0};
00292 
00293   parms.srcDevice = src_dev;
00294   parms.dstDevice = dst_dev;
00295 
00296   parms.srcPos = make_cudaPos(sizeofT*src_x0, src_y0, src_z0);
00297   parms.srcPtr = make_cudaPitchedPtr(src_data, sizeofT*src_xsize, src_xsize, src_ysize);
00298 
00299   parms.dstPos = make_cudaPos(sizeofT*dst_x0, dst_y0, dst_z0);
00300   parms.dstPtr = make_cudaPitchedPtr(dst_data, sizeofT*dst_xsize, dst_xsize, dst_ysize);
00301 
00302   parms.extent = make_cudaExtent(sizeofT*width, height, depth);
00303 
00304   cudaCheck(cudaMemcpy3DPeerAsync(&parms, stream));
00305 }

template<class T>
void copy_DtoD ( const T *  d_src,
T *  h_dst,
const int  array_len,
cudaStream_t  stream = 0 
)

Definition at line 263 of file CudaUtils.h.

References copy_DtoD_async_T(), and stream.

00263                                                                                      {
00264   copy_DtoD_async_T(d_src, h_dst, array_len, stream, sizeof(T));
00265 }

void copy_DtoD_async_T ( const void *  d_src,
void *  d_dst,
const int  array_len,
cudaStream_t  stream,
const size_t  sizeofT 
)

Definition at line 185 of file CudaUtils.C.

References cudaCheck.

Referenced by copy_DtoD().

00186                                  {
00187   cudaCheck(cudaMemcpyAsync(d_dst, d_src, sizeofT*array_len, cudaMemcpyDeviceToDevice, stream));
00188 }

template<class T>
void copy_DtoD_sync ( const T *  d_src,
T *  h_dst,
const int  array_len 
)

Definition at line 271 of file CudaUtils.h.

References copy_DtoD_T().

00271                                                                    {
00272   copy_DtoD_T(d_src, h_dst, array_len, sizeof(T));
00273 }

void copy_DtoD_T ( const void *  d_src,
void *  d_dst,
const int  array_len,
const size_t  sizeofT 
)

Definition at line 190 of file CudaUtils.C.

References cudaCheck.

Referenced by copy_DtoD_sync().

00190                                                                                             {
00191   cudaCheck(cudaMemcpy(d_dst, d_src, sizeofT*array_len, cudaMemcpyDeviceToDevice));
00192 }

template<class T>
void copy_DtoH ( const T *  d_array,
T *  h_array,
const int  array_len,
cudaStream_t  stream = 0 
)

Definition at line 247 of file CudaUtils.h.

References copy_DtoH_async_T(), and stream.

00247                                                                                          {
00248   copy_DtoH_async_T(d_array, h_array, array_len, stream, sizeof(T));
00249 }

void copy_DtoH_async_T ( const void *  d_array,
void *  h_array,
const int  array_len,
cudaStream_t  stream,
const size_t  sizeofT 
)

Definition at line 172 of file CudaUtils.C.

References cudaCheck.

Referenced by copy_DtoH().

00173                                  {
00174   cudaCheck(cudaMemcpyAsync(h_array, d_array, sizeofT*array_len, cudaMemcpyDeviceToHost, stream));
00175 }

template<class T>
void copy_DtoH_sync ( const T *  d_array,
T *  h_array,
const int  array_len 
)

Definition at line 255 of file CudaUtils.h.

References copy_DtoH_T().

00255                                                                        {
00256   copy_DtoH_T(d_array, h_array, array_len, sizeof(T));
00257 }

void copy_DtoH_T ( const void *  d_array,
void *  h_array,
const int  array_len,
const size_t  sizeofT 
)

Definition at line 177 of file CudaUtils.C.

References cudaCheck.

Referenced by copy_DtoH_sync().

00177                                                                                                 {
00178   cudaCheck(cudaMemcpy(h_array, d_array, sizeofT*array_len, cudaMemcpyDeviceToHost));
00179 }

template<class T>
void copy_HtoD ( const T *  h_array,
T *  d_array,
int  array_len,
cudaStream_t  stream = 0 
)

Definition at line 229 of file CudaUtils.h.

References copy_HtoD_async_T(), and stream.

00229                                                                                    {
00230   copy_HtoD_async_T(h_array, d_array, array_len, stream, sizeof(T));
00231 }

void copy_HtoD_async_T ( const void *  h_array,
void *  d_array,
int  array_len,
cudaStream_t  stream,
const size_t  sizeofT 
)

Definition at line 158 of file CudaUtils.C.

References cudaCheck.

Referenced by copy_HtoD().

00159                                  {
00160   cudaCheck(cudaMemcpyAsync(d_array, h_array, sizeofT*array_len, cudaMemcpyHostToDevice, stream));
00161 }

template<class T>
void copy_HtoD_sync ( const T *  h_array,
T *  d_array,
int  array_len 
)

Definition at line 238 of file CudaUtils.h.

References copy_HtoD_T().

00238                                                                  {
00239   copy_HtoD_T(h_array, d_array, array_len, sizeof(T));
00240 }

void copy_HtoD_T ( const void *  h_array,
void *  d_array,
int  array_len,
const size_t  sizeofT 
)

Definition at line 163 of file CudaUtils.C.

References cudaCheck.

Referenced by copy_HtoD_sync().

00164                            {
00165   cudaCheck(cudaMemcpy(d_array, h_array, sizeofT*array_len, cudaMemcpyHostToDevice));
00166 }

template<class T>
void copy_PeerDtoD ( const int  src_dev,
const int  dst_dev,
const T *  d_src,
T *  d_dst,
const int  array_len,
cudaStream_t  stream = 0 
)

Definition at line 284 of file CudaUtils.h.

References copy_PeerDtoD_async_T(), and stream.

00285                                                                         {
00286   copy_PeerDtoD_async_T(src_dev, dst_dev, d_src, d_dst, array_len, stream, sizeof(T));
00287 }

void copy_PeerDtoD_async_T ( const int  src_dev,
const int  dst_dev,
const void *  d_src,
void *  d_dst,
const int  array_len,
cudaStream_t  stream,
const size_t  sizeofT 
)

Definition at line 198 of file CudaUtils.C.

References cudaCheck.

Referenced by copy_PeerDtoD().

00200                         {
00201   cudaCheck(cudaMemcpyPeerAsync(d_dst, dst_dev, d_src, src_dev, sizeofT*array_len, stream));
00202 }

void cudaDie ( const char *  msg,
cudaError_t  err = cudaSuccess 
)

Definition at line 9 of file CudaUtils.C.

References NAMD_die().

Referenced by DeviceCUDA::initialize(), and read_CUDA_ARCH().

00009                                                {
00010   char host[128];
00011 #ifdef NOHOSTNAME
00012   sprintf(host,"physical node %d", CmiPhysicalNodeID(CkMyPe()));
00013 #else
00014   gethostname(host, 128);  host[127] = 0;
00015 #endif
00016   char devstr[128] = "";
00017   int devnum;
00018   if ( cudaGetDevice(&devnum) == cudaSuccess ) {
00019     sprintf(devstr, " device %d", devnum);
00020   }
00021   char errmsg[1024];
00022   if (err == cudaSuccess) {
00023     sprintf(errmsg,"CUDA error %s on Pe %d (%s%s)", msg, CkMyPe(), host, devstr);
00024   } else {
00025     sprintf(errmsg,"CUDA error %s on Pe %d (%s%s): %s", msg, CkMyPe(), host, devstr, cudaGetErrorString(err));    
00026   }
00027   NAMD_die(errmsg);
00028 }

void cudaNAMD_bug ( const char *  msg  ) 

Definition at line 30 of file CudaUtils.C.

References NAMD_bug().

Referenced by CudaFFTCompute::backward(), CudaFFTCompute::forward(), gather_force(), and spread_charge().

00030 {NAMD_bug(msg);}

template<class T>
void deallocate_device ( T **  pp  ) 

Definition at line 158 of file CudaUtils.h.

References deallocate_device_T().

00158                                {
00159   deallocate_device_T((void **)pp);
00160 }

void deallocate_device_T ( void **  pp  ) 

Definition at line 67 of file CudaUtils.C.

References cudaCheck.

Referenced by deallocate_device().

00067                                     {
00068   
00069   if (*pp != NULL) {
00070     cudaCheck(cudaFree((void *)(*pp)));
00071     *pp = NULL;
00072   }
00073 
00074 }

template<class T>
void deallocate_host ( T **  pp  ) 

Definition at line 207 of file CudaUtils.h.

References deallocate_host_T().

00207                              {
00208   deallocate_host_T((void **)pp);
00209 }

void deallocate_host_T ( void **  pp  ) 

Definition at line 81 of file CudaUtils.C.

References cudaCheck.

Referenced by deallocate_host().

00081                                   {
00082   
00083   if (*pp != NULL) {
00084     cudaCheck(cudaFreeHost((void *)(*pp)));
00085     *pp = NULL;
00086   }
00087 
00088 }

template<class T>
bool reallocate_device ( T **  pp,
int *  curlen,
const int  newlen,
const float  fac = 1.0f 
)

Definition at line 175 of file CudaUtils.h.

References reallocate_device_T().

00175                                                                                     {
00176   return reallocate_device_T((void **)pp, curlen, newlen, fac, sizeof(T));
00177 }

bool reallocate_device_T ( void **  pp,
int *  curlen,
const int  newlen,
const float  fac,
const size_t  sizeofT 
)

Definition at line 100 of file CudaUtils.C.

References cudaCheck, and f.

Referenced by reallocate_device().

00100                                                                                                           {
00101 
00102   if (*pp != NULL && *curlen < newlen) {
00103     cudaCheck(cudaFree((void *)(*pp)));
00104     *pp = NULL;
00105   }
00106 
00107   if (*pp == NULL) {
00108     if (fac > 1.0f) {
00109       *curlen = (int)(((double)(newlen))*(double)fac);
00110     } else {
00111       *curlen = newlen;
00112     }
00113     cudaCheck(cudaMalloc(pp, sizeofT*(*curlen)));
00114     return true;
00115   }
00116 
00117   return false;
00118 }

template<class T>
bool reallocate_host ( T **  pp,
int *  curlen,
const int  newlen,
const float  fac = 1.0f,
const unsigned int  flag = cudaHostAllocDefault 
)

Definition at line 195 of file CudaUtils.h.

References reallocate_host_T().

00196                                                                                          {
00197   return reallocate_host_T((void **)pp, curlen, newlen, fac, flag, sizeof(T));
00198 }

bool reallocate_host_T ( void **  pp,
int *  curlen,
const int  newlen,
const float  fac,
const unsigned int  flag,
const size_t  sizeofT 
)

Definition at line 133 of file CudaUtils.C.

References cudaCheck, and f.

Referenced by reallocate_host().

00134                                                                                        {
00135 
00136   if (*pp != NULL && *curlen < newlen) {
00137     cudaCheck(cudaFreeHost((void *)(*pp)));
00138     *pp = NULL;
00139   }
00140 
00141   if (*pp == NULL) {
00142     if (fac > 1.0f) {
00143       *curlen = (int)(((double)(newlen))*(double)fac);
00144     } else {
00145       *curlen = newlen;
00146     }
00147     cudaCheck(cudaHostAlloc(pp, sizeofT*(*curlen), flag));
00148     return true;
00149   }
00150 
00151   return false;
00152 }


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