device.h File Reference

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Namespaces | Functions
device.h File Reference
`#include <af/defines.h>`

Go to the source code of this file.

## Namespaces
| af

## Functions
AFAPI void | info ()
AFAPI const char * | infoString (const bool verbose=false)
AFAPI void | deviceInfo (char *d_name, char *d_platform, char *d_toolkit, char *d_compute)
| Gets the information about device and platform as strings. More...
AFAPI int | getDeviceCount ()
| Gets the number of devices. More...
AFAPI int | getDevice ()
| Gets the current device ID. More...
AFAPI bool | isDoubleAvailable (const int device)
| Queries the current device for double precision floating point support. More...
AFAPI void | setDevice (const int device)
| Sets the current device. More...
AFAPI void | sync (const int device=-1)
| Blocks until the `device` is finished processing. More...
AFAPI void | free (const void *ptr)
| Free device memory allocated by ArrayFire's memory manager. More...
AFAPI void | freePinned (const void *ptr)
| Free pinned memory allocated by ArrayFire's memory manager. More...
AFAPI void * | allocHost (const size_t elements, const dtype type)
| Allocate memory on host. More...
template<typename T >
AFAPI T * | allocHost (const size_t elements)
| Allocate memory on host. More...
AFAPI void | freeHost (const void *ptr)
| Free memory allocated internally by ArrayFire. More...
AFAPI void | setMemStepSize (const size_t size)
| Set the resolution of memory chunks. More...
AFAPI size_t | getMemStepSize ()
| Get the resolution of memory chunks. More...
AFAPI af_err | af_info ()
AFAPI af_err | af_init ()
AFAPI af_err | af_info_string (char **str, const bool verbose)
| Gets the output of af_info() as a string. More...
AFAPI af_err | af_device_info (char *d_name, char *d_platform, char *d_toolkit, char *d_compute)
| Gets the information about device and platform as strings. More...
AFAPI af_err | af_get_device_count (int *num_of_devices)
AFAPI af_err | af_get_dbl_support (bool *available, const int device)
AFAPI af_err | af_set_device (const int device)
AFAPI af_err | af_get_device (int *device)
AFAPI af_err | af_sync (const int device)
AFAPI af_err | af_alloc_device (void **ptr, const dim_t bytes)
| This device memory returned by this function can only be freed using af_free_device. More...
AFAPI af_err | af_free_device (void *ptr)
| This function will free a device pointer even if it has been previously locked. More...
AFAPI af_err | af_alloc_pinned (void **ptr, const dim_t bytes)
AFAPI af_err | af_free_pinned (void *ptr)
AFAPI af_err | af_alloc_host (void **ptr, const dim_t bytes)
AFAPI af_err | af_free_host (void *ptr)
AFAPI af_err | af_device_array (af_array *arr, const void *data, const unsigned ndims, const dim_t *const dims, const af_dtype type)
| Create array from device memory. More...
AFAPI af_err | af_device_mem_info (size_t *alloc_bytes, size_t *alloc_buffers, size_t *lock_bytes, size_t *lock_buffers)
| Get memory information from the memory manager. More...
AFAPI af_err | af_print_mem_info (const char *msg, const int device_id)
| Prints buffer details from the ArrayFire Device Manager. More...
AFAPI af_err | af_device_gc ()
| Call the garbage collection routine. More...
AFAPI af_err | af_set_mem_step_size (const size_t step_bytes)
| Set the minimum memory chunk size. More...
AFAPI af_err | af_get_mem_step_size (size_t *step_bytes)
| Get the minimum memory chunk size. More...
AFAPI af_err | af_lock_device_ptr (const af_array arr)
| Lock the device buffer in the memory manager. More...
AFAPI af_err | af_unlock_device_ptr (const af_array arr)
| Unlock device buffer in the memory manager. More...
AFAPI af_err | af_lock_array (const af_array arr)
| Lock the device buffer in the memory manager. More...
AFAPI af_err | af_unlock_array (const af_array arr)
| Unlock device buffer in the memory manager. More...
AFAPI af_err | af_get_device_ptr (void **ptr, const af_array arr)
| Get the device pointer and lock the buffer in memory manager. More...
AFAPI void * | alloc (const size_t elements, const dtype type)
| Allocates memory using ArrayFire's memory manager. More...
template<typename T >
T * | alloc (const size_t elements)
| Allocates memory using ArrayFire's memory manager. More...
AFAPI void * | pinned (const size_t elements, const dtype type)
| Allocate pinned memory using ArrayFire's memory manager. More...
template<typename T >
T * | pinned (const size_t elements)
| Allocate pinned memory using ArrayFire's memory manager. More...
AFAPI void | deviceMemInfo (size_t *alloc_bytes, size_t *alloc_buffers, size_t *lock_bytes, size_t *lock_buffers)
| Gets information about the memory manager. More...
AFAPI void | printMemInfo (const char *msg=NULL, const int device_id=-1)
| Prints buffer details from the ArrayFire Device Manager. More...
AFAPI void | deviceGC ()
| Call the garbage collection function in the memory manager. More...