CudaUtils.h File Reference

#include <cuda.h>
#include <cuda_runtime.h>
#include <stdio.h>
#include "HipDefines.h"
#include <iostream>

Go to the source code of this file.

Classes
struct	cudaTensor
struct	cudaVector
struct	CudaMInfo
struct	CudaStaticAssert< bool >
struct	CudaStaticAssert< true >
struct	CudaNBConstants

Macros
#define	WARPSIZE   32
#define	BOUNDINGBOXSIZE   32
#define	NAMD_CCCL_MAJOR_VERSION   2
#define	FORCE_ENERGY_TABLE_SIZE   4096
#define	COPY_CUDATENSOR(S, D)
#define	COPY_CUDAVECTOR(S, D)
#define	PRINT_CUDATENSOR(T, SS)
#define	ATOMIC_BINS   1
#define	FEP_BONDED_CUDA_DEBUG
#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	NAMD_WARP_SYNC(MASK)   WARP_SYNC(MASK)
#define	cuda_static_assert(expr)   (CudaStaticAssert<(expr) != 0>())
#define	cudaCheck(stmt)
#define	curandCheck(stmt)

Typedefs
typedef unsigned int	WarpMask
typedef double	BigReal

Functions
void	cudaDie (const char *msg, cudaError_t err=cudaSuccess)
void	curandDie (const char *msg, int err=0)
void	cudaNAMD_bug (const char *msg)
void	clear_device_array_async_T (void *data, const size_t ndata, cudaStream_t stream, const size_t sizeofT)
void	clear_device_array_T (void *data, const size_t ndata, const size_t sizeofT)
template<class T >
void	clear_device_array (T *data, const size_t ndata, cudaStream_t stream=0)
template<class T >
void	clear_device_array_sync (T *data, const size_t ndata)
void	allocate_host_T (void **pp, const size_t len, const size_t sizeofT)
template<class T >
void	allocate_host (T **pp, const size_t len)
void	allocate_device_T (void **pp, const size_t len, const size_t sizeofT)
void	allocate_device_T_managed (void **pp, const size_t len, const size_t sizeofT)
void	allocate_device_T_async (void **pp, const size_t len, const size_t sizeofT, cudaStream_t stream)
template<class T >
void	allocate_device (T **pp, const size_t len)
template<class T >
void	allocate_device_managed (T **pp, const size_t len)
template<class T >
void	allocate_device_async (T **pp, const size_t len, cudaStream_t stream)
void	deallocate_device_T (void **pp)
void	deallocate_device_T_async (void **pp, cudaStream_t stream)
template<class T >
void	deallocate_device (T **pp)
template<class T >
void	deallocate_device_async (T **pp, cudaStream_t stream)
bool	reallocate_device_T (void **pp, size_t *curlen, const size_t newlen, const float fac, const size_t sizeofT)
template<class T >
bool	reallocate_device (T **pp, size_t *curlen, const size_t newlen, const float fac=1.0f)
bool	reallocate_host_T (void **pp, size_t *curlen, const size_t newlen, const float fac, const unsigned int flag, const size_t sizeofT)
template<class T >
bool	reallocate_host (T **pp, size_t *curlen, const size_t 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, size_t array_len, cudaStream_t stream, const size_t sizeofT)
void	copy_HtoD_T (const void *h_array, void *d_array, size_t array_len, const size_t sizeofT)
void	copy_DtoH_async_T (const void *d_array, void *h_array, const size_t array_len, cudaStream_t stream, const size_t sizeofT)
void	copy_DtoH_T (const void *d_array, void *h_array, const size_t array_len, const size_t sizeofT)
void	copy_DtoD_async_T (const void *d_src, void *d_dst, const size_t array_len, cudaStream_t stream, const size_t sizeofT)
void	copy_DtoD_T (const void *d_src, void *d_dst, const size_t array_len, const size_t sizeofT)
template<class T >
void	copy_HtoD (const T *h_array, T *d_array, size_t array_len, cudaStream_t stream=0)
template<class T >
void	copy_HtoD_sync (const T *h_array, T *d_array, size_t array_len)
template<class T >
void	copy_DtoH (const T *d_array, T *h_array, const size_t array_len, cudaStream_t stream=0)
template<class T >
void	copy_DtoH_sync (const T *d_array, T *h_array, const size_t array_len)
template<class T >
void	copy_DtoD (const T *d_src, T *h_dst, const size_t array_len, cudaStream_t stream=0)
template<class T >
void	copy_DtoD_sync (const T *d_src, T *h_dst, const size_t array_len)
void	copy_PeerDtoD_async_T (const int src_dev, const int dst_dev, const void *d_src, void *d_dst, const size_t 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 size_t 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)

Macro Definition Documentation

ATOMIC_BINS

#define ATOMIC_BINS   1

Definition at line 79 of file CudaUtils.h.

Referenced by CudaComputeNonbonded::initialize().

BLOCK_SYNC

#define BLOCK_SYNC   __syncthreads()

Definition at line 201 of file CudaUtils.h.

Referenced by GBIS_P1_Kernel(), GBIS_P2_Kernel(), and GBIS_P3_Kernel().

BOUNDINGBOXSIZE

#define BOUNDINGBOXSIZE   32

Definition at line 18 of file CudaUtils.h.

COPY_CUDATENSOR

#define COPY_CUDATENSOR	(		S,
			D
	)

Value:

D.xx = S.xx; \
  D.xy = S.xy; \
  D.xz = S.xz; \
  D.yx = S.yx; \
  D.yy = S.yy; \
  D.yz = S.yz; \
  D.zx = S.zx; \
  D.zy = S.zy; \
  D.zz = S.zz

Definition at line 51 of file CudaUtils.h.

COPY_CUDAVECTOR

#define COPY_CUDAVECTOR	(		S,
			D
	)

Value:

D.x = S.x; \
  D.y = S.y; \
  D.z = S.z

Definition at line 62 of file CudaUtils.h.

cuda_static_assert

#define cuda_static_assert

(

expr

)

(CudaStaticAssert<(expr) != 0>())

Definition at line 231 of file CudaUtils.h.

cudaCheck

#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 242 of file CudaUtils.h.

Referenced by allocate_device_T(), allocate_device_T_async(), allocate_device_T_managed(), allocate_host_T(), CudaFFTCompute::backward(), bindTextureObject(), clear_device_array_async_T(), clear_device_array_T(), CudaPmeOneDevice::compute(), 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(), CudaPmeOneDevice::CudaPmeOneDevice(), CudaPmeRealSpaceCompute::CudaPmeRealSpaceCompute(), CudaPmeTranspose::CudaPmeTranspose(), deallocate_device_T(), deallocate_device_T_async(), deallocate_host_T(), CudaPmeKSpaceCompute::energyAndVirialSetCallback(), CudaComputeNonbonded::finishPatches(), CudaPmeOneDevice::finishReduction(), CudaComputeNonbonded::finishReductions(), CudaFFTCompute::forward(), CudaPmeRealSpaceCompute::gatherForce(), CudaPmeRealSpaceCompute::gatherForceSetCallback(), DeviceCUDA::getMaxNumBlocks(), DeviceCUDA::getMaxNumThreads(), ComputeCUDAMgr::initialize(), DeviceCUDA::initialize(), CudaComputeNonbonded::initialize(), ComputePmeCUDADevice::initialize(), ComputePmeCUDAMgr::initialize_pencils(), CudaPmePencilXY::initializeDevice(), CudaPmePencilX::initializeDevice(), CudaPmePencilY::initializeDevice(), CudaPmePencilZ::initializeDevice(), CudaComputeNonbonded::launchWork(), reallocate_device_T(), reallocate_host_T(), CudaComputeNonbonded::reSortTileLists(), CudaPmeTranspose::setDataPtrsYZX(), CudaPmeTranspose::setDataPtrsZXY(), CudaPmeKSpaceCompute::solve(), CudaPmeRealSpaceCompute::spreadCharge(), CudaPmeTranspose::transposeXYZtoYZX(), CudaPmeTranspose::transposeXYZtoZXY(), ComputeLonepairsCUDA::updateAtoms(), CudaPmeRealSpaceCompute::waitGatherForceDone(), CudaPmeTranspose::waitStreamSynchronize(), writeComplexToDisk(), writeRealToDisk(), ComputePmeCUDADevice::~ComputePmeCUDADevice(), ComputePmeCUDAMgr::~ComputePmeCUDAMgr(), CudaComputeNonbonded::~CudaComputeNonbonded(), CudaFFTCompute::~CudaFFTCompute(), CudaNonbondedTables::~CudaNonbondedTables(), CudaPmeKSpaceCompute::~CudaPmeKSpaceCompute(), CudaPmeOneDevice::~CudaPmeOneDevice(), CudaPmePencilX::~CudaPmePencilX(), CudaPmePencilXY::~CudaPmePencilXY(), CudaPmePencilY::~CudaPmePencilY(), CudaPmePencilZ::~CudaPmePencilZ(), CudaPmeRealSpaceCompute::~CudaPmeRealSpaceCompute(), and CudaPmeTranspose::~CudaPmeTranspose().

curandCheck

#define curandCheck

(

stmt

)

Value:

do {                                 \
    curandStatus_t  err = stmt;                                   \
    if (err != CURAND_STATUS_SUCCESS) {                           \
      char msg[256];                                                    \
      sprintf(msg, "%s in file %s, function %s, line %d\n", #stmt,__FILE__,__FUNCTION__,__LINE__); \
      curandDie(msg, (int)err);                                   \
    }                                                                   \
  } while(0)

Definition at line 251 of file CudaUtils.h.

FEP_BONDED_CUDA_DEBUG

#define FEP_BONDED_CUDA_DEBUG

Definition at line 136 of file CudaUtils.h.

FORCE_ENERGY_TABLE_SIZE

#define FORCE_ENERGY_TABLE_SIZE   4096

Definition at line 49 of file CudaUtils.h.

Referenced by CudaNonbondedTables::CudaNonbondedTables().

NAMD_CCCL_MAJOR_VERSION

#define NAMD_CCCL_MAJOR_VERSION   2

Definition at line 23 of file CudaUtils.h.

NAMD_WARP_SYNC

#define NAMD_WARP_SYNC

(

MASK

)

WARP_SYNC(MASK)

Definition at line 206 of file CudaUtils.h.

PRINT_CUDATENSOR

#define PRINT_CUDATENSOR	(		T,
			SS
	)

Value:

SS << T.xx << " " << T.xy << " " << T.xz << " " << T.yx << " " << \
        T.yy << " " << T.yz << " " << T.zx << " " << T.zy << " " << T.zz << \
        std::endl;

Definition at line 67 of file CudaUtils.h.

WARP_ALL

#define WARP_ALL	(		MASK,
			P
	)		__all(P)

Definition at line 197 of file CudaUtils.h.

WARP_ANY

#define WARP_ANY	(		MASK,
			P
	)		__any(P)

Definition at line 198 of file CudaUtils.h.

WARP_BALLOT

#define WARP_BALLOT	(		MASK,
			P
	)		__ballot(P)

Definition at line 199 of file CudaUtils.h.

WARP_FULL_MASK

#define WARP_FULL_MASK   0xffffffff

Definition at line 158 of file CudaUtils.h.

Referenced by GBIS_P1_Kernel(), GBIS_P2_Kernel(), and GBIS_P3_Kernel().

WARP_SHUFFLE

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

Definition at line 187 of file CudaUtils.h.

Referenced by GBIS_P1_Kernel(), GBIS_P2_Kernel(), and GBIS_P3_Kernel().

WARP_SHUFFLE_DOWN

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

Definition at line 185 of file CudaUtils.h.

WARP_SHUFFLE_UP

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

Definition at line 183 of file CudaUtils.h.

WARP_SHUFFLE_XOR

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

Definition at line 181 of file CudaUtils.h.

WARP_SYNC

#define WARP_SYNC

(

MASK

)

Definition at line 200 of file CudaUtils.h.

WARPSIZE

#define WARPSIZE   32

Definition at line 17 of file CudaUtils.h.

Referenced by CudaPmeOneDevice::compute(), GBIS_P1_Kernel(), GBIS_P2_Kernel(), GBIS_P3_Kernel(), and ComputeBondedCUDAKernel::warpAlign().

Typedef Documentation

BigReal

typedef double BigReal

Definition at line 75 of file CudaUtils.h.

WarpMask

typedef unsigned int WarpMask

Definition at line 19 of file CudaUtils.h.

Function Documentation

allocate_device()

template<class T >

void allocate_device	(	T **	pp,
		const size_t	len
	)

Definition at line 320 of file CudaUtils.h.

References allocate_device_T().

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

allocate_device_async()

template<class T >

void allocate_device_async	(	T **	pp,
		const size_t	len,
		cudaStream_t	stream
	)

Definition at line 330 of file CudaUtils.h.

References allocate_device_T_async().

Referenced by ComputeLonepairsCUDA::updateAtoms().

                                                                          {
  allocate_device_T_async((void **)pp, len, sizeof(T), stream);
}

allocate_device_managed()

template<class T >

void allocate_device_managed	(	T **	pp,
		const size_t	len
	)

Definition at line 325 of file CudaUtils.h.

References allocate_device_T_managed().

                                                       {
  allocate_device_T_managed((void **)pp, len, sizeof(T));
}

allocate_device_T()

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

Definition at line 97 of file CudaUtils.C.

References cudaCheck.

Referenced by allocate_device(), allocate_device_T_async(), and bindTextureObject().

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

allocate_device_T_async()

void allocate_device_T_async	(	void **	pp,
		const size_t	len,
		const size_t	sizeofT,
		cudaStream_t	stream
	)

Definition at line 105 of file CudaUtils.C.

References allocate_device_T(), and cudaCheck.

Referenced by allocate_device_async().

                                                                                                    {
#if (CUDART_VERSION >= 11020)
  cudaCheck(cudaMallocAsync(pp, sizeofT*len, stream));
#else
  allocate_device_T(pp, len, sizeofT);
#endif
}

allocate_device_T_managed()

void allocate_device_T_managed	(	void **	pp,
		const size_t	len,
		const size_t	sizeofT
	)

Definition at line 101 of file CudaUtils.C.

References cudaCheck.

Referenced by allocate_device_managed().

                                                                                 {
  cudaCheck(cudaMallocManaged(pp, sizeofT*len));
}

allocate_host()

template<class T >

void allocate_host	(	T **	pp,
		const size_t	len
	)

Definition at line 305 of file CudaUtils.h.

References allocate_host_T().

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

allocate_host_T()

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

Definition at line 87 of file CudaUtils.C.

References cudaCheck.

Referenced by allocate_host().

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

clear_device_array()

template<class T >

void clear_device_array	(	T *	data,
		const size_t	ndata,
		cudaStream_t	stream = 0
	)

Definition at line 288 of file CudaUtils.h.

References clear_device_array_async_T().

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

clear_device_array_async_T()

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

Definition at line 73 of file CudaUtils.C.

References cudaCheck.

Referenced by clear_device_array().

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

clear_device_array_sync()

template<class T >

void clear_device_array_sync	(	T *	data,
		const size_t	ndata
	)

Definition at line 293 of file CudaUtils.h.

References clear_device_array_T().

                                                          {
  clear_device_array_T(data, ndata, sizeof(T));
}

clear_device_array_T()

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

Definition at line 77 of file CudaUtils.C.

References cudaCheck.

Referenced by clear_device_array_sync().

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

copy3D_DtoD()

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 549 of file CudaUtils.h.

References copy3D_DtoD_T().

                         {
  copy3D_DtoD_T(src_data, dst_data,
    src_x0, src_y0, src_z0,
    src_xsize, src_ysize,
    dst_x0, dst_y0, dst_z0,
    dst_xsize, dst_ysize,
    width, height, depth,
    sizeof(T), stream);
}

copy3D_DtoD_T()

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 319 of file CudaUtils.C.

References cudaCheck.

Referenced by copy3D_DtoD().

                                       {
  cudaMemcpy3DParms parms = {0};

  parms.srcPos = make_cudaPos(sizeofT*src_x0, src_y0, src_z0);
  parms.srcPtr = make_cudaPitchedPtr(src_data, sizeofT*src_xsize, src_xsize, src_ysize);

  parms.dstPos = make_cudaPos(sizeofT*dst_x0, dst_y0, dst_z0);
  parms.dstPtr = make_cudaPitchedPtr(dst_data, sizeofT*dst_xsize, dst_xsize, dst_ysize);

  parms.extent = make_cudaExtent(sizeofT*width, height, depth);
  parms.kind = cudaMemcpyDeviceToDevice;

  cudaCheck(cudaMemcpy3DAsync(&parms, stream));
}

copy3D_DtoH()

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 520 of file CudaUtils.h.

References copy3D_DtoH_T().

                         {
  copy3D_DtoH_T(src_data, dst_data,
    src_x0, src_y0, src_z0,
    src_xsize, src_ysize,
    dst_x0, dst_y0, dst_z0,
    dst_xsize, dst_ysize,
    width, height, depth,
    sizeof(T), stream);
}

copy3D_DtoH_T()

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 294 of file CudaUtils.C.

References cudaCheck.

Referenced by copy3D_DtoH().

                                       {
  cudaMemcpy3DParms parms = {0};

  parms.srcPos = make_cudaPos(sizeofT*src_x0, src_y0, src_z0);
  parms.srcPtr = make_cudaPitchedPtr(src_data, sizeofT*src_xsize, src_xsize, src_ysize);

  parms.dstPos = make_cudaPos(sizeofT*dst_x0, dst_y0, dst_z0);
  parms.dstPtr = make_cudaPitchedPtr(dst_data, sizeofT*dst_xsize, dst_xsize, dst_ysize);

  parms.extent = make_cudaExtent(sizeofT*width, height, depth);
  parms.kind = cudaMemcpyDeviceToHost;

  cudaCheck(cudaMemcpy3DAsync(&parms, stream));
}

copy3D_HtoD()

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 491 of file CudaUtils.h.

References copy3D_HtoD_T().

                         {
  copy3D_HtoD_T(src_data, dst_data,
    src_x0, src_y0, src_z0,
    src_xsize, src_ysize,
    dst_x0, dst_y0, dst_z0,
    dst_xsize, dst_ysize,
    width, height, depth,
    sizeof(T), stream);
}

copy3D_HtoD_T()

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 269 of file CudaUtils.C.

References cudaCheck.

Referenced by copy3D_HtoD().

                                       {
  cudaMemcpy3DParms parms = {0};

  parms.srcPos = make_cudaPos(sizeofT*src_x0, src_y0, src_z0);
  parms.srcPtr = make_cudaPitchedPtr(src_data, sizeofT*src_xsize, src_xsize, src_ysize);

  parms.dstPos = make_cudaPos(sizeofT*dst_x0, dst_y0, dst_z0);
  parms.dstPtr = make_cudaPitchedPtr(dst_data, sizeofT*dst_xsize, dst_xsize, dst_ysize);

  parms.extent = make_cudaExtent(sizeofT*width, height, depth);
  parms.kind = cudaMemcpyHostToDevice;

  cudaCheck(cudaMemcpy3DAsync(&parms, stream));
}

copy3D_PeerDtoD()

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 579 of file CudaUtils.h.

References copy3D_PeerDtoD_T().

                         {
  copy3D_PeerDtoD_T(src_dev, dst_dev,
    src_data, dst_data,
    src_x0, src_y0, src_z0,
    src_xsize, src_ysize,
    dst_x0, dst_y0, dst_z0,
    dst_xsize, dst_ysize,
    width, height, depth,
    sizeof(T), stream);
}

copy3D_PeerDtoD_T()

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 344 of file CudaUtils.C.

References cudaCheck, and cudaDie().

Referenced by copy3D_PeerDtoD().

                                       {
#ifdef NAMD_HIP
// TODO-HIP: Is a workaround possible? cudaMemcpy3D+cudaMemcpyPeer+cudaMemcpy3D
   cudaDie("cudaMemcpy3DPeerAsync is not supported by HIP");
#else
  cudaMemcpy3DPeerParms parms = {0};

  parms.srcDevice = src_dev;
  parms.dstDevice = dst_dev;

  parms.srcPos = make_cudaPos(sizeofT*src_x0, src_y0, src_z0);
  parms.srcPtr = make_cudaPitchedPtr(src_data, sizeofT*src_xsize, src_xsize, src_ysize);

  parms.dstPos = make_cudaPos(sizeofT*dst_x0, dst_y0, dst_z0);
  parms.dstPtr = make_cudaPitchedPtr(dst_data, sizeofT*dst_xsize, dst_xsize, dst_ysize);

  parms.extent = make_cudaExtent(sizeofT*width, height, depth);

  cudaCheck(cudaMemcpy3DPeerAsync(&parms, stream));
#endif
}

copy_DtoD()

template<class T >

void copy_DtoD	(	const T *	d_src,
		T *	h_dst,
		const size_t	array_len,
		cudaStream_t	stream = 0
	)

Definition at line 452 of file CudaUtils.h.

References copy_DtoD_async_T().

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

copy_DtoD_async_T()

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

Definition at line 246 of file CudaUtils.C.

References cudaCheck.

Referenced by copy_DtoD().

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

copy_DtoD_sync()

template<class T >

void copy_DtoD_sync	(	const T *	d_src,
		T *	h_dst,
		const size_t	array_len
	)

Definition at line 460 of file CudaUtils.h.

References copy_DtoD_T().

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

copy_DtoD_T()

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

Definition at line 251 of file CudaUtils.C.

References cudaCheck.

Referenced by copy_DtoD_sync().

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

copy_DtoH()

template<class T >

void copy_DtoH	(	const T *	d_array,
		T *	h_array,
		const size_t	array_len,
		cudaStream_t	stream = 0
	)

Definition at line 436 of file CudaUtils.h.

References copy_DtoH_async_T().

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

copy_DtoH_async_T()

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

Definition at line 233 of file CudaUtils.C.

References cudaCheck.

Referenced by copy_DtoH().

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

copy_DtoH_sync()

template<class T >

void copy_DtoH_sync	(	const T *	d_array,
		T *	h_array,
		const size_t	array_len
	)

Definition at line 444 of file CudaUtils.h.

References copy_DtoH_T().

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

copy_DtoH_T()

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

Definition at line 238 of file CudaUtils.C.

References cudaCheck.

Referenced by copy_DtoH_sync().

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

copy_HtoD()

template<class T >

void copy_HtoD	(	const T *	h_array,
		T *	d_array,
		size_t	array_len,
		cudaStream_t	stream = 0
	)

Definition at line 418 of file CudaUtils.h.

References copy_HtoD_async_T().

Referenced by ComputeLonepairsCUDA::updateAtoms().

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

copy_HtoD_async_T()

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

Definition at line 219 of file CudaUtils.C.

References cudaCheck.

Referenced by copy_HtoD().

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

copy_HtoD_sync()

template<class T >

void copy_HtoD_sync	(	const T *	h_array,
		T *	d_array,
		size_t	array_len
	)

Definition at line 427 of file CudaUtils.h.

References copy_HtoD_T().

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

copy_HtoD_T()

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

Definition at line 224 of file CudaUtils.C.

References cudaCheck.

Referenced by bindTextureObject(), and copy_HtoD_sync().

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

copy_PeerDtoD()

template<class T >

void copy_PeerDtoD	(	const int	src_dev,
		const int	dst_dev,
		const T *	d_src,
		T *	d_dst,
		const size_t	array_len,
		cudaStream_t	stream = 0
	)

Definition at line 473 of file CudaUtils.h.

References copy_PeerDtoD_async_T().

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

copy_PeerDtoD_async_T()

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

Definition at line 259 of file CudaUtils.C.

References cudaCheck.

Referenced by copy_PeerDtoD().

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

cudaDie()

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

Definition at line 9 of file CudaUtils.C.

References NAMD_die().

Referenced by copy3D_PeerDtoD_T(), cuda_check_pme_charges(), cuda_check_pme_forces(), and DeviceCUDA::initialize().

                                               {
  char host[128];
  gethostname(host, 128);  host[127] = 0;
  char devstr[128] = "";
  int devnum;
  if ( cudaGetDevice(&devnum) == cudaSuccess ) {
    sprintf(devstr, " device %d", devnum);
  }
  cudaDeviceProp deviceProp;
  if ( cudaGetDeviceProperties(&deviceProp, devnum) == cudaSuccess ) {
    sprintf(devstr, " device %d pci %x:%x:%x", devnum,
      deviceProp.pciDomainID, deviceProp.pciBusID, deviceProp.pciDeviceID);
  }
  char errmsg[1024];
  if (err == cudaSuccess) {
    sprintf(errmsg,"CUDA error %s on Pe %d (%s%s)", msg, CkMyPe(), host, devstr);
  } else {
    sprintf(errmsg,"CUDA error %s on Pe %d (%s%s): %s", msg, CkMyPe(), host, devstr, cudaGetErrorString(err));    
  }
  NAMD_die(errmsg);
}

cudaNAMD_bug()

void cudaNAMD_bug

(

const char *

msg

)

Definition at line 53 of file CudaUtils.C.

References NAMD_bug().

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

{NAMD_bug(msg);}

curandDie()

void curandDie	(	const char *	msg,
		int	err = 0
	)

Definition at line 31 of file CudaUtils.C.

References NAMD_die().

                                         {
  char host[128];
  gethostname(host, 128);  host[127] = 0;
  char devstr[128] = "";
  int devnum;
  if ( cudaGetDevice(&devnum) == cudaSuccess ) {
    sprintf(devstr, " device %d", devnum);
  }
  cudaDeviceProp deviceProp;
  if ( cudaGetDeviceProperties(&deviceProp, devnum) == cudaSuccess ) {
    sprintf(devstr, " device %d pci %x:%x:%x", devnum,
      deviceProp.pciDomainID, deviceProp.pciBusID, deviceProp.pciDeviceID);
  }
  char errmsg[1024];
  if (err == cudaSuccess) {
    sprintf(errmsg,"CUDA cuRAND error %s on Pe %d (%s%s)", msg, CkMyPe(), host, devstr);
  } else {
    sprintf(errmsg,"CUDA cuRAND error %s on Pe %d (%s%s): status value %d", msg, CkMyPe(), host, devstr, err);    
  }
  NAMD_die(errmsg);
}

deallocate_device()

template<class T >

void deallocate_device

(

T **

pp

)

Definition at line 342 of file CudaUtils.h.

References deallocate_device_T().

Referenced by ComputeLonepairsCUDA::~ComputeLonepairsCUDA(), and CudaNonbondedTables::~CudaNonbondedTables().

                               {
  deallocate_device_T((void **)pp);
}

deallocate_device_async()

template<class T >

void deallocate_device_async	(	T **	pp,
		cudaStream_t	stream
	)

Definition at line 346 of file CudaUtils.h.

References deallocate_device_T_async().

Referenced by ComputeLonepairsCUDA::updateAtoms().

                                                          {
  deallocate_device_T_async((void **)pp, stream);
}

deallocate_device_T()

void deallocate_device_T

(

void **

pp

)

Definition at line 118 of file CudaUtils.C.

References cudaCheck.

Referenced by deallocate_device(), and deallocate_device_T_async().

                                    {
  
  if (*pp != NULL) {
    cudaCheck(cudaFree((void *)(*pp)));
    *pp = NULL;
  }

}

deallocate_device_T_async()

void deallocate_device_T_async	(	void **	pp,
		cudaStream_t	stream
	)

Definition at line 127 of file CudaUtils.C.

References cudaCheck, and deallocate_device_T().

Referenced by deallocate_device_async().

                                                               {
#if (CUDART_VERSION >= 11020)
  if (*pp != NULL) {
    cudaCheck(cudaFreeAsync((void *)(*pp), stream));
    *pp = NULL;
  }
#else
  deallocate_device_T(pp);
#endif
}

deallocate_host()

template<class T >

void deallocate_host

(

T **

pp

)

Definition at line 396 of file CudaUtils.h.

References deallocate_host_T().

Referenced by CudaComputeNonbonded::~CudaComputeNonbonded().

                             {
  deallocate_host_T((void **)pp);
}

deallocate_host_T()

void deallocate_host_T

(

void **

pp

)

Definition at line 142 of file CudaUtils.C.

References cudaCheck.

Referenced by deallocate_host().

                                  {
  
  if (*pp != NULL) {
    cudaCheck(cudaFreeHost((void *)(*pp)));
    *pp = NULL;
  }

}

reallocate_device()

template<class T >

bool reallocate_device	(	T **	pp,
		size_t *	curlen,
		const size_t	newlen,
		const float	fac = 1.0f
	)

Definition at line 364 of file CudaUtils.h.

References reallocate_device_T().

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

reallocate_device_T()

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

Definition at line 161 of file CudaUtils.C.

References cudaCheck.

Referenced by reallocate_device().

                                                                                                                {

  if (*pp != NULL && *curlen < newlen) {
    cudaCheck(cudaFree((void *)(*pp)));
    *pp = NULL;
  }

  if (*pp == NULL) {
    if (fac > 1.0f) {
      *curlen = (size_t)(((double)(newlen))*(double)fac);
    } else {
      *curlen = newlen;
    }
    cudaCheck(cudaMalloc(pp, sizeofT*(*curlen)));
    return true;
  }

  return false;
}

reallocate_host()

template<class T >

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

Definition at line 384 of file CudaUtils.h.

References reallocate_host_T().

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

reallocate_host_T()

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

Definition at line 194 of file CudaUtils.C.

References cudaCheck.

Referenced by reallocate_host().

                                                                                       {

  if (*pp != NULL && *curlen < newlen) {
    cudaCheck(cudaFreeHost((void *)(*pp)));
    *pp = NULL;
  }

  if (*pp == NULL) {
    if (fac > 1.0f) {
      *curlen = (size_t)(((double)(newlen))*(double)fac);
    } else {
      *curlen = newlen;
    }
    cudaCheck(cudaHostAlloc(pp, sizeofT*(*curlen), flag));
    return true;
  }

  return false;
}