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()
#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[256];  \
          sprintf(msg, "%s in file %s, function %s, line %d\n", #stmt,__FILE__,__FUNCTION__,__LINE__); \
          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(), CudaTileListKernel::buildTileLists(), clear_device_array_async_T(), clear_device_array_T(), 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(), CudaComputeGBISKernel::CudaComputeGBISKernel(), CudaComputeNonbonded::CudaComputeNonbonded(), CudaComputeNonbondedKernel::CudaComputeNonbondedKernel(), CudaNonbondedTables::CudaNonbondedTables(), CudaPmeKSpaceCompute::CudaPmeKSpaceCompute(), CudaPmeRealSpaceCompute::CudaPmeRealSpaceCompute(), CudaPmeTranspose::CudaPmeTranspose(), CudaTileListKernel::CudaTileListKernel(), deallocate_device_T(), deallocate_host_T(), ComputeNonbondedCUDA::doWork(), CudaPmeKSpaceCompute::energyAndVirialSetCallback(), CudaComputeNonbonded::finishReductions(), CudaTileListKernel::finishTileList(), CudaFFTCompute::forward(), gather_force(), CudaPmeRealSpaceCompute::gatherForce(), CudaPmeRealSpaceCompute::gatherForceSetCallback(), CudaComputeGBISKernel::GBISphase1(), CudaComputeGBISKernel::GBISphase2(), CudaComputeGBISKernel::GBISphase3(), 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(), ComputePmeCUDADevice::~ComputePmeCUDADevice(), ComputePmeCUDAMgr::~ComputePmeCUDAMgr(), CudaComputeGBISKernel::~CudaComputeGBISKernel(), 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.

Referenced by if().

#define WARP_ANY ( MASK,
 )     __any(P)

Definition at line 41 of file CudaUtils.h.

Referenced by if(), and void().

#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
#define WARP_SHUFFLE ( MASK,
VAR,
LANE,
SIZE   )     __shfl(VAR, LANE, SIZE)
#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 finish_forces_virials(), if(), reduceVariables(), and void().

#define WARP_SYNC ( MASK   ) 
#define WARPSIZE   32

Definition at line 9 of file CudaUtils.h.


Function Documentation

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

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 75 of file CudaUtils.C.

References cudaCheck.

Referenced by allocate_device().

00075                                                                        {
00076   cudaCheck(cudaMalloc(pp, sizeofT*len));
00077 }

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

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 65 of file CudaUtils.C.

References cudaCheck.

Referenced by allocate_host().

00065                                                                      {
00066   cudaCheck(cudaMallocHost(pp, sizeofT*len));
00067 }

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

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 51 of file CudaUtils.C.

References cudaCheck.

Referenced by clear_device_array().

00051                                                                                                         {
00052   cudaCheck(cudaMemsetAsync(data, 0, sizeofT*ndata, stream));
00053 }

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

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 55 of file CudaUtils.C.

References cudaCheck.

Referenced by clear_device_array_sync().

00055                                                                              {
00056   cudaCheck(cudaMemset(data, 0, sizeofT*ndata));
00057 }

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 
) [inline]

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 275 of file CudaUtils.C.

References cudaCheck.

Referenced by copy3D_DtoD().

00281                                        {
00282   cudaMemcpy3DParms parms = {0};
00283 
00284   parms.srcPos = make_cudaPos(sizeofT*src_x0, src_y0, src_z0);
00285   parms.srcPtr = make_cudaPitchedPtr(src_data, sizeofT*src_xsize, src_xsize, src_ysize);
00286 
00287   parms.dstPos = make_cudaPos(sizeofT*dst_x0, dst_y0, dst_z0);
00288   parms.dstPtr = make_cudaPitchedPtr(dst_data, sizeofT*dst_xsize, dst_xsize, dst_ysize);
00289 
00290   parms.extent = make_cudaExtent(sizeofT*width, height, depth);
00291   parms.kind = cudaMemcpyDeviceToDevice;
00292 
00293   cudaCheck(cudaMemcpy3DAsync(&parms, stream));
00294 }

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 
) [inline]

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 250 of file CudaUtils.C.

References cudaCheck.

Referenced by copy3D_DtoH().

00256                                        {
00257   cudaMemcpy3DParms parms = {0};
00258 
00259   parms.srcPos = make_cudaPos(sizeofT*src_x0, src_y0, src_z0);
00260   parms.srcPtr = make_cudaPitchedPtr(src_data, sizeofT*src_xsize, src_xsize, src_ysize);
00261 
00262   parms.dstPos = make_cudaPos(sizeofT*dst_x0, dst_y0, dst_z0);
00263   parms.dstPtr = make_cudaPitchedPtr(dst_data, sizeofT*dst_xsize, dst_xsize, dst_ysize);
00264 
00265   parms.extent = make_cudaExtent(sizeofT*width, height, depth);
00266   parms.kind = cudaMemcpyDeviceToHost;
00267 
00268   cudaCheck(cudaMemcpy3DAsync(&parms, stream));
00269 }

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 
) [inline]

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 225 of file CudaUtils.C.

References cudaCheck.

Referenced by copy3D_HtoD().

00231                                        {
00232   cudaMemcpy3DParms parms = {0};
00233 
00234   parms.srcPos = make_cudaPos(sizeofT*src_x0, src_y0, src_z0);
00235   parms.srcPtr = make_cudaPitchedPtr(src_data, sizeofT*src_xsize, src_xsize, src_ysize);
00236 
00237   parms.dstPos = make_cudaPos(sizeofT*dst_x0, dst_y0, dst_z0);
00238   parms.dstPtr = make_cudaPitchedPtr(dst_data, sizeofT*dst_xsize, dst_xsize, dst_ysize);
00239 
00240   parms.extent = make_cudaExtent(sizeofT*width, height, depth);
00241   parms.kind = cudaMemcpyHostToDevice;
00242 
00243   cudaCheck(cudaMemcpy3DAsync(&parms, stream));
00244 }

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 
) [inline]

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 300 of file CudaUtils.C.

References cudaCheck.

Referenced by copy3D_PeerDtoD().

00307                                        {
00308   cudaMemcpy3DPeerParms parms = {0};
00309 
00310   parms.srcDevice = src_dev;
00311   parms.dstDevice = dst_dev;
00312 
00313   parms.srcPos = make_cudaPos(sizeofT*src_x0, src_y0, src_z0);
00314   parms.srcPtr = make_cudaPitchedPtr(src_data, sizeofT*src_xsize, src_xsize, src_ysize);
00315 
00316   parms.dstPos = make_cudaPos(sizeofT*dst_x0, dst_y0, dst_z0);
00317   parms.dstPtr = make_cudaPitchedPtr(dst_data, sizeofT*dst_xsize, dst_xsize, dst_ysize);
00318 
00319   parms.extent = make_cudaExtent(sizeofT*width, height, depth);
00320 
00321   cudaCheck(cudaMemcpy3DPeerAsync(&parms, stream));
00322 }

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

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 202 of file CudaUtils.C.

References cudaCheck.

Referenced by copy_DtoD().

00203                                  {
00204   cudaCheck(cudaMemcpyAsync(d_dst, d_src, sizeofT*array_len, cudaMemcpyDeviceToDevice, stream));
00205 }

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

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 207 of file CudaUtils.C.

References cudaCheck.

Referenced by copy_DtoD_sync().

00207                                                                                             {
00208   cudaCheck(cudaMemcpy(d_dst, d_src, sizeofT*array_len, cudaMemcpyDeviceToDevice));
00209 }

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

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 189 of file CudaUtils.C.

References cudaCheck.

Referenced by copy_DtoH().

00190                                  {
00191   cudaCheck(cudaMemcpyAsync(h_array, d_array, sizeofT*array_len, cudaMemcpyDeviceToHost, stream));
00192 }

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

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 194 of file CudaUtils.C.

References cudaCheck.

Referenced by copy_DtoH_sync().

00194                                                                                                 {
00195   cudaCheck(cudaMemcpy(h_array, d_array, sizeofT*array_len, cudaMemcpyDeviceToHost));
00196 }

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

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 175 of file CudaUtils.C.

References cudaCheck.

Referenced by copy_HtoD().

00176                                  {
00177   cudaCheck(cudaMemcpyAsync(d_array, h_array, sizeofT*array_len, cudaMemcpyHostToDevice, stream));
00178 }

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

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 180 of file CudaUtils.C.

References cudaCheck.

Referenced by copy_HtoD_sync().

00181                            {
00182   cudaCheck(cudaMemcpy(d_array, h_array, sizeofT*array_len, cudaMemcpyHostToDevice));
00183 }

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 
) [inline]

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 215 of file CudaUtils.C.

References cudaCheck.

Referenced by copy_PeerDtoD().

00217                         {
00218   cudaCheck(cudaMemcpyPeerAsync(d_dst, dst_dev, d_src, src_dev, sizeofT*array_len, stream));
00219 }

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

Definition at line 9 of file CudaUtils.C.

References NAMD_die().

00009                                                {
00010   char host[128];
00011   gethostname(host, 128);  host[127] = 0;
00012   char devstr[128] = "";
00013   int devnum;
00014   if ( cudaGetDevice(&devnum) == cudaSuccess ) {
00015     sprintf(devstr, " device %d", devnum);
00016   }
00017   cudaDeviceProp deviceProp;
00018   if ( cudaGetDeviceProperties(&deviceProp, devnum) == cudaSuccess ) {
00019     sprintf(devstr, " device %d pci %x:%x:%x", devnum,
00020       deviceProp.pciDomainID, deviceProp.pciBusID, deviceProp.pciDeviceID);
00021   }
00022   char errmsg[1024];
00023   if (err == cudaSuccess) {
00024     sprintf(errmsg,"CUDA error %s on Pe %d (%s%s)", msg, CkMyPe(), host, devstr);
00025   } else {
00026     sprintf(errmsg,"CUDA error %s on Pe %d (%s%s): %s", msg, CkMyPe(), host, devstr, cudaGetErrorString(err));    
00027   }
00028   NAMD_die(errmsg);
00029 }

void cudaNAMD_bug ( const char *  msg  ) 

Definition at line 31 of file CudaUtils.C.

References NAMD_bug().

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

00031 {NAMD_bug(msg);}

template<class T >
void deallocate_device ( T **  pp  )  [inline]

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 84 of file CudaUtils.C.

References cudaCheck.

Referenced by deallocate_device().

00084                                     {
00085   
00086   if (*pp != NULL) {
00087     cudaCheck(cudaFree((void *)(*pp)));
00088     *pp = NULL;
00089   }
00090 
00091 }

template<class T >
void deallocate_host ( T **  pp  )  [inline]

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 98 of file CudaUtils.C.

References cudaCheck.

Referenced by deallocate_host().

00098                                   {
00099   
00100   if (*pp != NULL) {
00101     cudaCheck(cudaFreeHost((void *)(*pp)));
00102     *pp = NULL;
00103   }
00104 
00105 }

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

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 117 of file CudaUtils.C.

References cudaCheck.

Referenced by reallocate_device().

00117                                                                                                           {
00118 
00119   if (*pp != NULL && *curlen < newlen) {
00120     cudaCheck(cudaFree((void *)(*pp)));
00121     *pp = NULL;
00122   }
00123 
00124   if (*pp == NULL) {
00125     if (fac > 1.0f) {
00126       *curlen = (int)(((double)(newlen))*(double)fac);
00127     } else {
00128       *curlen = newlen;
00129     }
00130     cudaCheck(cudaMalloc(pp, sizeofT*(*curlen)));
00131     return true;
00132   }
00133 
00134   return false;
00135 }

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

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 150 of file CudaUtils.C.

References cudaCheck.

Referenced by reallocate_host().

00151                                                                                        {
00152 
00153   if (*pp != NULL && *curlen < newlen) {
00154     cudaCheck(cudaFreeHost((void *)(*pp)));
00155     *pp = NULL;
00156   }
00157 
00158   if (*pp == NULL) {
00159     if (fac > 1.0f) {
00160       *curlen = (int)(((double)(newlen))*(double)fac);
00161     } else {
00162       *curlen = newlen;
00163     }
00164     cudaCheck(cudaHostAlloc(pp, sizeofT*(*curlen), flag));
00165     return true;
00166   }
00167 
00168   return false;
00169 }


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