Actual source code: petscdevice_cuda.h

  1: #pragma once

  3: #include <petscdevice.h>
  4: #include <petscpkg_version.h>

  6: /* MANSEC = Sys */

  8: #if defined(__NVCC__) || defined(__CUDACC__)
  9:   #define PETSC_USING_NVCC 1
 10: #endif

 12: #if PetscDefined(HAVE_CUDA)
 13:   #include <cuda.h>
 14:   #include <cuda_runtime.h>
 15:   #include <cublas_v2.h>
 16:   #define DISABLE_CUSPARSE_DEPRECATED
 17:   #include <cusparse.h>
 18:   #include <cusolverDn.h>
 19:   #include <cusolverSp.h>
 20:   #include <cufft.h>
 21:   #include <curand.h>

 23: /* cuBLAS does not have cublasGetErrorName(). We create one on our own. */
 24: PETSC_EXTERN const char *PetscCUBLASGetErrorName(cublasStatus_t); /* PETSC_EXTERN since it is exposed by the CHKERRCUBLAS macro */
 25: PETSC_EXTERN const char *PetscCUSolverGetErrorName(cusolverStatus_t);
 26: PETSC_EXTERN const char *PetscCUFFTGetErrorName(cufftResult);

 28:   /* REMOVE ME */
 29:   #define WaitForCUDA() cudaDeviceSynchronize()

 31:   /* CUDART_VERSION = 1000 x major + 10 x minor version */

 33:   /* Could not find exactly which CUDART_VERSION introduced cudaGetErrorName. At least it was in CUDA 8.0 (Sep. 2016) */
 34:   #if PETSC_PKG_CUDA_VERSION_GE(8, 0, 0)
 35:     #define PetscCallCUDAVoid(...) \
 36:       do { \
 37:         const cudaError_t _p_cuda_err__ = __VA_ARGS__; \
 38:         PetscCheckAbort(_p_cuda_err__ == cudaSuccess, PETSC_COMM_SELF, PETSC_ERR_GPU, "cuda error %d (%s) : %s", (PetscErrorCode)_p_cuda_err__, cudaGetErrorName(_p_cuda_err__), cudaGetErrorString(_p_cuda_err__)); \
 39:       } while (0)

 41:     #define PetscCallCUDA(...) \
 42:       do { \
 43:         const cudaError_t _p_cuda_err__ = __VA_ARGS__; \
 44:         PetscCheck(_p_cuda_err__ == cudaSuccess, PETSC_COMM_SELF, PETSC_ERR_GPU, "cuda error %d (%s) : %s", (PetscErrorCode)_p_cuda_err__, cudaGetErrorName(_p_cuda_err__), cudaGetErrorString(_p_cuda_err__)); \
 45:       } while (0)
 46:   #else /* PETSC_PKG_CUDA_VERSION_GE(8,0,0) */
 47:     #define PetscCallCUDA(...) \
 48:       do { \
 49:         const cudaError_t _p_cuda_err__ = __VA_ARGS__; \
 50:         PetscCheck(_p_cuda_err__ == cudaSuccess, PETSC_COMM_SELF, PETSC_ERR_GPU, "cuda error %d", (PetscErrorCode)_p_cuda_err__); \
 51:       } while (0)

 53:     #define PetscCallCUDAVoid(...) \
 54:       do { \
 55:         const cudaError_t _p_cuda_err__ = __VA_ARGS__; \
 56:         PetscCheckAbort(_p_cuda_err__ == cudaSuccess, PETSC_COMM_SELF, PETSC_ERR_GPU, "cuda error %d", (PetscErrorCode)_p_cuda_err__); \
 57:       } while (0)
 58:   #endif /* PETSC_PKG_CUDA_VERSION_GE(8,0,0) */
 59:   #define CHKERRCUDA(...) PetscCallCUDA(__VA_ARGS__)

 61:   #define PetscCUDACheckLaunch \
 62:     do { \
 63:       /* Check synchronous errors, i.e. pre-launch */ \
 64:       PetscCallCUDA(cudaGetLastError()); \
 65:       /* Check asynchronous errors, i.e. kernel failed (ULF) */ \
 66:       PetscCallCUDA(cudaDeviceSynchronize()); \
 67:     } while (0)

 69:   #define PetscCallCUBLAS(...) \
 70:     do { \
 71:       const cublasStatus_t _p_cublas_stat__ = __VA_ARGS__; \
 72:       if (PetscUnlikely(_p_cublas_stat__ != CUBLAS_STATUS_SUCCESS)) { \
 73:         const char *name = PetscCUBLASGetErrorName(_p_cublas_stat__); \
 74:         if (((_p_cublas_stat__ == CUBLAS_STATUS_NOT_INITIALIZED) || (_p_cublas_stat__ == CUBLAS_STATUS_ALLOC_FAILED)) && PetscDeviceInitialized(PETSC_DEVICE_CUDA)) { \
 75:           SETERRQ(PETSC_COMM_SELF, PETSC_ERR_GPU_RESOURCE, \
 76:                   "cuBLAS error %d (%s). " \
 77:                   "Reports not initialized or alloc failed; " \
 78:                   "this indicates the GPU may have run out resources", \
 79:                   (PetscErrorCode)_p_cublas_stat__, name); \
 80:         } else { \
 81:           SETERRQ(PETSC_COMM_SELF, PETSC_ERR_GPU, "cuBLAS error %d (%s)", (PetscErrorCode)_p_cublas_stat__, name); \
 82:         } \
 83:       } \
 84:     } while (0)
 85:   #define CHKERRCUBLAS(...) PetscCallCUBLAS(__VA_ARGS__)

 87:   #if (CUSPARSE_VER_MAJOR > 10 || CUSPARSE_VER_MAJOR == 10 && CUSPARSE_VER_MINOR >= 2) /* According to cuda/10.1.168 on OLCF Summit */
 88:     #define PetscCallCUSPARSE(...) \
 89:       do { \
 90:         const cusparseStatus_t _p_cusparse_stat__ = __VA_ARGS__; \
 91:         if (PetscUnlikely(_p_cusparse_stat__)) { \
 92:           const char *name  = cusparseGetErrorName(_p_cusparse_stat__); \
 93:           const char *descr = cusparseGetErrorString(_p_cusparse_stat__); \
 94:           PetscCheck((_p_cusparse_stat__ != CUSPARSE_STATUS_NOT_INITIALIZED) && (_p_cusparse_stat__ != CUSPARSE_STATUS_ALLOC_FAILED), PETSC_COMM_SELF, PETSC_ERR_GPU_RESOURCE, \
 95:                      "cuSPARSE errorcode %d (%s) : %s.; " \
 96:                      "this indicates the GPU has run out resources", \
 97:                      (int)_p_cusparse_stat__, name, descr); \
 98:           SETERRQ(PETSC_COMM_SELF, PETSC_ERR_GPU, "cuSPARSE errorcode %d (%s) : %s", (int)_p_cusparse_stat__, name, descr); \
 99:         } \
100:       } while (0)
101:   #else /* (CUSPARSE_VER_MAJOR > 10 || CUSPARSE_VER_MAJOR == 10 && CUSPARSE_VER_MINOR >= 2) */
102:     #define PetscCallCUSPARSE(...) \
103:       do { \
104:         const cusparseStatus_t _p_cusparse_stat__ = __VA_ARGS__; \
105:         PetscCheck(_p_cusparse_stat__ == CUSPARSE_STATUS_SUCCESS, PETSC_COMM_SELF, PETSC_ERR_GPU, "cuSPARSE errorcode %d", (PetscErrorCode)_p_cusparse_stat__); \
106:       } while (0)
107:   #endif /* (CUSPARSE_VER_MAJOR > 10 || CUSPARSE_VER_MAJOR == 10 && CUSPARSE_VER_MINOR >= 2) */
108:   #define CHKERRCUSPARSE(...) PetscCallCUSPARSE(__VA_ARGS__)

110:   #define PetscCallCUSOLVER(...) \
111:     do { \
112:       const cusolverStatus_t _p_cusolver_stat__ = __VA_ARGS__; \
113:       if (PetscUnlikely(_p_cusolver_stat__ != CUSOLVER_STATUS_SUCCESS)) { \
114:         const char *name = PetscCUSolverGetErrorName(_p_cusolver_stat__); \
115:         if (((_p_cusolver_stat__ == CUSOLVER_STATUS_NOT_INITIALIZED) || (_p_cusolver_stat__ == CUSOLVER_STATUS_ALLOC_FAILED) || (_p_cusolver_stat__ == CUSOLVER_STATUS_INTERNAL_ERROR)) && PetscDeviceInitialized(PETSC_DEVICE_CUDA)) { \
116:           SETERRQ(PETSC_COMM_SELF, PETSC_ERR_GPU_RESOURCE, \
117:                   "cuSolver error %d (%s). " \
118:                   "This indicates the GPU may have run out resources", \
119:                   (PetscErrorCode)_p_cusolver_stat__, name); \
120:         } else { \
121:           SETERRQ(PETSC_COMM_SELF, PETSC_ERR_GPU, "cuSolver error %d (%s)", (PetscErrorCode)_p_cusolver_stat__, name); \
122:         } \
123:       } \
124:     } while (0)
125:   #define CHKERRCUSOLVER(...) PetscCallCUSOLVER(__VA_ARGS__)

127:   #define PetscCallCUFFT(...) \
128:     do { \
129:       const cufftResult_t _p_cufft_stat__ = __VA_ARGS__; \
130:       if (PetscUnlikely(_p_cufft_stat__ != CUFFT_SUCCESS)) { \
131:         const char *name = PetscCUFFTGetErrorName(_p_cufft_stat__); \
132:         if (((_p_cufft_stat__ == CUFFT_SETUP_FAILED) || (_p_cufft_stat__ == CUFFT_ALLOC_FAILED)) && PetscDeviceInitialized(PETSC_DEVICE_CUDA)) { \
133:           SETERRQ(PETSC_COMM_SELF, PETSC_ERR_GPU_RESOURCE, \
134:                   "cuFFT error %d (%s). " \
135:                   "Reports not initialized or alloc failed; " \
136:                   "this indicates the GPU has run out resources", \
137:                   (PetscErrorCode)_p_cufft_stat__, name); \
138:         } else { \
139:           SETERRQ(PETSC_COMM_SELF, PETSC_ERR_GPU, "cuFFT error %d (%s)", (PetscErrorCode)_p_cufft_stat__, name); \
140:         } \
141:       } \
142:     } while (0)
143:   #define CHKERRCUFFT(...) PetscCallCUFFT(__VA_ARGS__)

145:   #define PetscCallCURAND(...) \
146:     do { \
147:       const curandStatus_t _p_curand_stat__ = __VA_ARGS__; \
148:       if (PetscUnlikely(_p_curand_stat__ != CURAND_STATUS_SUCCESS)) { \
149:         if (((_p_curand_stat__ == CURAND_STATUS_INITIALIZATION_FAILED) || (_p_curand_stat__ == CURAND_STATUS_ALLOCATION_FAILED)) && PetscDeviceInitialized(PETSC_DEVICE_CUDA)) { \
150:           SETERRQ(PETSC_COMM_SELF, PETSC_ERR_GPU_RESOURCE, \
151:                   "cuRAND error %d. " \
152:                   "Reports not initialized or alloc failed; " \
153:                   "this indicates the GPU has run out resources", \
154:                   (PetscErrorCode)_p_curand_stat__); \
155:         } else { \
156:           SETERRQ(PETSC_COMM_SELF, PETSC_ERR_GPU, "cuRand error %d", (PetscErrorCode)_p_curand_stat__); \
157:         } \
158:       } \
159:     } while (0)
160:   #define CHKERRCURAND(...) PetscCallCURAND(__VA_ARGS__)

162: PETSC_EXTERN cudaStream_t   PetscDefaultCudaStream; // The default stream used by PETSc
163: PETSC_EXTERN PetscErrorCode PetscCUBLASGetHandle(cublasHandle_t *);
164: PETSC_EXTERN PetscErrorCode PetscCUSOLVERDnGetHandle(cusolverDnHandle_t *);
165: PETSC_EXTERN PetscErrorCode PetscGetCurrentCUDAStream(cudaStream_t *);

167: #endif // PETSC_HAVE_CUDA

169: // these can also be defined in petscdevice_hip.h so we undef and define them *only* if the
170: // current compiler is NVCC. In this case if petscdevice_hip.h is included first, the macros
171: // would already be defined, but they would be empty since we cannot be using HCC at the same
172: // time.
173: #if PetscDefined(USING_NVCC)
174:   #undef PETSC_HOST_DECL
175:   #undef PETSC_DEVICE_DECL
176:   #undef PETSC_KERNEL_DECL
177:   #undef PETSC_SHAREDMEM_DECL
178:   #undef PETSC_FORCEINLINE
179:   #undef PETSC_CONSTMEM_DECL

181:   #define PETSC_HOST_DECL      __host__
182:   #define PETSC_DEVICE_DECL    __device__
183:   #define PETSC_KERNEL_DECL    __global__
184:   #define PETSC_SHAREDMEM_DECL __shared__
185:   #define PETSC_FORCEINLINE    __forceinline__
186:   #define PETSC_CONSTMEM_DECL  __constant__
187: #endif

189: #ifndef PETSC_HOST_DECL // use HOST_DECL as canary
190:   #define PETSC_HOST_DECL
191:   #define PETSC_DEVICE_DECL
192:   #define PETSC_KERNEL_DECL
193:   #define PETSC_SHAREDMEM_DECL
194:   #define PETSC_FORCEINLINE inline
195:   #define PETSC_CONSTMEM_DECL
196: #endif

198: #ifndef PETSC_DEVICE_DEFINED_DECLS_PRIVATE
199:   #define PETSC_DEVICE_DEFINED_DECLS_PRIVATE
200:   #define PETSC_HOSTDEVICE_DECL        PETSC_HOST_DECL PETSC_DEVICE_DECL
201:   #define PETSC_DEVICE_INLINE_DECL     PETSC_DEVICE_DECL PETSC_FORCEINLINE
202:   #define PETSC_HOSTDEVICE_INLINE_DECL PETSC_HOSTDEVICE_DECL PETSC_FORCEINLINE
203: #endif