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CUDAUtil.cu File Reference

Lightweight CUDA helper routines for use by CUDAAccel. More...

#include <string.h>
#include <stdio.h>
#include "CUDAKernels.h"
#include "WKFThreads.h"
#include "intstack.h"
#include "ProfileHooks.h"

Go to the source code of this file.

Functions

int vmd_cuda_drv_runtime_compatible ()

int vmd_cuda_device_props (int dev, char *name, int namelen, int *devmajor, int *devminor, unsigned long *memb, int *clockratekhz, int *smcount, int *integratedgpu, int *asyncenginecount, int *kerneltimeout, int *canmaphostmem, int *computemode, int *spdpfpperfratio, int *pageablememaccess, int *pageablememaccessuseshostpagetables)

int vmd_cuda_num_devices (int *numdev)

int vmd_cuda_peer_matrix (int *numdev, int **p2pmat, int **p2psupp, int **p2patomics, int **p2parrays, int **perfmat, int *p2plinkcount, int *islandcount)

void * vmd_cuda_devpool_setdeviceonly (void *voidparms)

void * vmd_cuda_affinitize_threads (void *voidparms)

void * vmd_cuda_devpool_enable_P2P (void *voidparms)

void * vmd_cuda_devpool_setdevice (void *voidparms)

Detailed Description

Lightweight CUDA helper routines for use by CUDAAccel.

Definition in file CUDAUtil.cu.

Function Documentation

void* vmd_cuda_affinitize_threads ( void * voidparms )

Definition at line 361 of file CUDAUtil.cu.

References NULL, PROFILE_NAME_THREAD, wkf_thread_numphysprocessors, wkf_thread_set_self_cpuaffinity, wkf_threadpool_worker_getdevid, and wkf_threadpool_worker_getid.

int vmd_cuda_device_props ( int dev,

char * name,

int namelen,

int * devmajor,

int * devminor,

unsigned long * memb,

int * clockratekhz,

int * smcount,

int * integratedgpu,

int * asyncenginecount,

int * kerneltimeout,

int * canmaphostmem,

int * computemode,

int * spdpfpperfratio,

int * pageablememaccess,

int * pageablememaccessuseshostpagetables

)

Definition at line 76 of file CUDAUtil.cu.

References vmd_cuda_drv_runtime_compatible, VMDCUDA_ERR_EMUDEVICE, VMDCUDA_ERR_GENERAL, and VMDCUDA_ERR_NONE.

Referenced by CUDAAccel::CUDAAccel, and vmd_cuda_num_devices.

void* vmd_cuda_devpool_enable_P2P ( void * voidparms )

Definition at line 412 of file CUDAUtil.cu.

References NULL, wkf_threadpool_worker_getdevid, and wkf_threadpool_worker_getid.

void* vmd_cuda_devpool_setdevice ( void * voidparms )

Definition at line 439 of file CUDAUtil.cu.

References NULL, PROFILE_NAME_THREAD, wkf_threadpool_worker_getdata, wkf_threadpool_worker_getdevid, wkf_threadpool_worker_getid, and wkf_threadpool_worker_setdevspeed.

void* vmd_cuda_devpool_setdeviceonly ( void * voidparms )

Definition at line 333 of file CUDAUtil.cu.

References NULL, PROFILE_NAME_THREAD, wkf_threadpool_worker_getdata, wkf_threadpool_worker_getdevid, and wkf_threadpool_worker_getid.

int vmd_cuda_drv_runtime_compatible ( ) [static]

Definition at line 39 of file CUDAUtil.cu.

References VMDCUDA_ERR_DRVMISMATCH, VMDCUDA_ERR_NODEVICES, and VMDCUDA_ERR_NONE.

Referenced by vmd_cuda_device_props, and vmd_cuda_num_devices.

int vmd_cuda_num_devices ( int * numdev )

Definition at line 139 of file CUDAUtil.cu.

References NULL, vmd_cuda_device_props, vmd_cuda_drv_runtime_compatible, VMDCUDA_ERR_DRVMISMATCH, VMDCUDA_ERR_EMUDEVICE, VMDCUDA_ERR_NODEVICES, VMDCUDA_ERR_NONE, and VMDCUDA_ERR_SOMEDEVICES.

Referenced by cuda_occupancy_thread, CUDAAccel::CUDAAccel, text_cmd_vmdbench, vmd_cuda_peer_matrix, vmd_cuda_vol_cpotential, and vmdinfo_tcl.

int vmd_cuda_peer_matrix ( int * numdev,

int ** p2pmat,

int ** p2psupp,

int ** p2patomics,

int ** p2parrays,

int ** perfmat,

int * p2plinkcount,

int * islandcount

)

Definition at line 197 of file CUDAUtil.cu.

References intstack_create, intstack_destroy, intstack_pop, intstack_push, IntStackHandle, NULL, vmd_cuda_num_devices, VMDCUDA_ERR_GENERAL, and VMDCUDA_ERR_NONE.

Referenced by CUDAAccel::print_cuda_devices.

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