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195 lines
6.9 KiB
C
195 lines
6.9 KiB
C
/* CUDA Driver API description.
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Copyright (C) 2017-2022 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>.
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This header provides parts of the CUDA Driver API, without having to rely on
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the proprietary CUDA toolkit. */
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#ifndef GCC_CUDA_H
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#define GCC_CUDA_H
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#include <stdlib.h>
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#define CUDA_VERSION 8000
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typedef void *CUcontext;
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typedef int CUdevice;
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#if defined(__LP64__) || defined(_WIN64)
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typedef unsigned long long CUdeviceptr;
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#else
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typedef unsigned CUdeviceptr;
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#endif
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typedef void *CUevent;
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typedef void *CUfunction;
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typedef void *CUlinkState;
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typedef void *CUmodule;
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typedef size_t (*CUoccupancyB2DSize)(int);
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typedef void *CUstream;
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typedef enum {
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CUDA_SUCCESS = 0,
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CUDA_ERROR_INVALID_VALUE = 1,
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CUDA_ERROR_OUT_OF_MEMORY = 2,
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CUDA_ERROR_INVALID_CONTEXT = 201,
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CUDA_ERROR_NOT_FOUND = 500,
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CUDA_ERROR_NOT_READY = 600,
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CUDA_ERROR_LAUNCH_FAILED = 719,
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CUDA_ERROR_COOPERATIVE_LAUNCH_TOO_LARGE = 720,
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CUDA_ERROR_NOT_PERMITTED = 800,
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CUDA_ERROR_NOT_SUPPORTED = 801,
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CUDA_ERROR_UNKNOWN = 999
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} CUresult;
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typedef enum {
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CU_DEVICE_ATTRIBUTE_MAX_THREADS_PER_BLOCK = 1,
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CU_DEVICE_ATTRIBUTE_WARP_SIZE = 10,
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CU_DEVICE_ATTRIBUTE_MAX_REGISTERS_PER_BLOCK = 12,
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CU_DEVICE_ATTRIBUTE_CLOCK_RATE = 13,
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CU_DEVICE_ATTRIBUTE_GPU_OVERLAP = 15,
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CU_DEVICE_ATTRIBUTE_MULTIPROCESSOR_COUNT = 16,
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CU_DEVICE_ATTRIBUTE_INTEGRATED = 18,
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CU_DEVICE_ATTRIBUTE_CAN_MAP_HOST_MEMORY = 19,
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CU_DEVICE_ATTRIBUTE_COMPUTE_MODE = 20,
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CU_DEVICE_ATTRIBUTE_CONCURRENT_KERNELS = 31,
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CU_DEVICE_ATTRIBUTE_MAX_THREADS_PER_MULTIPROCESSOR = 39,
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CU_DEVICE_ATTRIBUTE_ASYNC_ENGINE_COUNT = 40,
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CU_DEVICE_ATTRIBUTE_MAX_REGISTERS_PER_MULTIPROCESSOR = 82
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} CUdevice_attribute;
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enum {
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CU_EVENT_DEFAULT = 0,
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CU_EVENT_DISABLE_TIMING = 2
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};
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typedef enum {
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CU_FUNC_ATTRIBUTE_MAX_THREADS_PER_BLOCK = 0,
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CU_FUNC_ATTRIBUTE_NUM_REGS = 4
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} CUfunction_attribute;
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typedef enum {
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CU_JIT_WALL_TIME = 2,
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CU_JIT_INFO_LOG_BUFFER = 3,
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CU_JIT_INFO_LOG_BUFFER_SIZE_BYTES = 4,
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CU_JIT_ERROR_LOG_BUFFER = 5,
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CU_JIT_ERROR_LOG_BUFFER_SIZE_BYTES = 6,
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CU_JIT_OPTIMIZATION_LEVEL = 7,
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CU_JIT_LOG_VERBOSE = 12
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} CUjit_option;
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typedef enum {
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CU_JIT_INPUT_PTX = 1
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} CUjitInputType;
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enum {
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CU_CTX_SCHED_AUTO = 0
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};
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#define CU_LAUNCH_PARAM_END ((void *) 0)
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#define CU_LAUNCH_PARAM_BUFFER_POINTER ((void *) 1)
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#define CU_LAUNCH_PARAM_BUFFER_SIZE ((void *) 2)
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enum {
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CU_STREAM_DEFAULT = 0,
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CU_STREAM_NON_BLOCKING = 1
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};
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#define cuCtxCreate cuCtxCreate_v2
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CUresult cuCtxCreate (CUcontext *, unsigned, CUdevice);
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#define cuCtxDestroy cuCtxDestroy_v2
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CUresult cuCtxDestroy (CUcontext);
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CUresult cuCtxGetCurrent (CUcontext *);
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CUresult cuCtxGetDevice (CUdevice *);
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#define cuCtxPopCurrent cuCtxPopCurrent_v2
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CUresult cuCtxPopCurrent (CUcontext *);
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#define cuCtxPushCurrent cuCtxPushCurrent_v2
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CUresult cuCtxPushCurrent (CUcontext);
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CUresult cuCtxSynchronize (void);
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CUresult cuDeviceGet (CUdevice *, int);
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#define cuDeviceTotalMem cuDeviceTotalMem_v2
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CUresult cuDeviceTotalMem (size_t *, CUdevice);
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CUresult cuDeviceGetAttribute (int *, CUdevice_attribute, CUdevice);
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CUresult cuDeviceGetCount (int *);
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CUresult cuDeviceGetName (char *, int, CUdevice);
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CUresult cuEventCreate (CUevent *, unsigned);
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#define cuEventDestroy cuEventDestroy_v2
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CUresult cuEventDestroy (CUevent);
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CUresult cuEventElapsedTime (float *, CUevent, CUevent);
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CUresult cuEventQuery (CUevent);
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CUresult cuEventRecord (CUevent, CUstream);
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CUresult cuEventSynchronize (CUevent);
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CUresult cuFuncGetAttribute (int *, CUfunction_attribute, CUfunction);
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CUresult cuGetErrorString (CUresult, const char **);
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CUresult cuInit (unsigned);
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CUresult cuDriverGetVersion (int *);
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CUresult cuLaunchKernel (CUfunction, unsigned, unsigned, unsigned, unsigned,
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unsigned, unsigned, unsigned, CUstream, void **, void **);
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#define cuLinkAddData cuLinkAddData_v2
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CUresult cuLinkAddData (CUlinkState, CUjitInputType, void *, size_t, const char *,
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unsigned, CUjit_option *, void **);
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CUresult cuLinkComplete (CUlinkState, void **, size_t *);
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#define cuLinkCreate cuLinkCreate_v2
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CUresult cuLinkCreate (unsigned, CUjit_option *, void **, CUlinkState *);
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CUresult cuLinkDestroy (CUlinkState);
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#define cuMemGetInfo cuMemGetInfo_v2
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CUresult cuMemGetInfo (size_t *, size_t *);
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#define cuMemAlloc cuMemAlloc_v2
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CUresult cuMemAlloc (CUdeviceptr *, size_t);
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#define cuMemAllocHost cuMemAllocHost_v2
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CUresult cuMemAllocHost (void **, size_t);
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CUresult cuMemcpy (CUdeviceptr, CUdeviceptr, size_t);
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#define cuMemcpyDtoDAsync cuMemcpyDtoDAsync_v2
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CUresult cuMemcpyDtoDAsync (CUdeviceptr, CUdeviceptr, size_t, CUstream);
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#define cuMemcpyDtoH cuMemcpyDtoH_v2
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CUresult cuMemcpyDtoH (void *, CUdeviceptr, size_t);
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#define cuMemcpyDtoHAsync cuMemcpyDtoHAsync_v2
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CUresult cuMemcpyDtoHAsync (void *, CUdeviceptr, size_t, CUstream);
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#define cuMemcpyHtoD cuMemcpyHtoD_v2
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CUresult cuMemcpyHtoD (CUdeviceptr, const void *, size_t);
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#define cuMemcpyHtoDAsync cuMemcpyHtoDAsync_v2
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CUresult cuMemcpyHtoDAsync (CUdeviceptr, const void *, size_t, CUstream);
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#define cuMemFree cuMemFree_v2
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CUresult cuMemFree (CUdeviceptr);
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CUresult cuMemFreeHost (void *);
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#define cuMemGetAddressRange cuMemGetAddressRange_v2
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CUresult cuMemGetAddressRange (CUdeviceptr *, size_t *, CUdeviceptr);
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#define cuMemHostGetDevicePointer cuMemHostGetDevicePointer_v2
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CUresult cuMemHostGetDevicePointer (CUdeviceptr *, void *, unsigned);
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CUresult cuModuleGetFunction (CUfunction *, CUmodule, const char *);
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#define cuModuleGetGlobal cuModuleGetGlobal_v2
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CUresult cuModuleGetGlobal (CUdeviceptr *, size_t *, CUmodule, const char *);
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CUresult cuModuleLoad (CUmodule *, const char *);
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CUresult cuModuleLoadData (CUmodule *, const void *);
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CUresult cuModuleUnload (CUmodule);
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CUresult cuOccupancyMaxPotentialBlockSize(int *, int *, CUfunction,
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CUoccupancyB2DSize, size_t, int);
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typedef void (*CUstreamCallback)(CUstream, CUresult, void *);
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CUresult cuStreamAddCallback(CUstream, CUstreamCallback, void *, unsigned int);
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CUresult cuStreamCreate (CUstream *, unsigned);
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#define cuStreamDestroy cuStreamDestroy_v2
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CUresult cuStreamDestroy (CUstream);
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CUresult cuStreamQuery (CUstream);
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CUresult cuStreamSynchronize (CUstream);
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CUresult cuStreamWaitEvent (CUstream, CUevent, unsigned);
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#endif /* GCC_CUDA_H */
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