device.F90 File Reference

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Data Types
interface	device::device_memcpy
	Copy data between host and device (or device and device) More...
interface	device::device_map
	Map a Fortran array to a device (allocate and associate) More...
interface	device::device_associate
	Associate a Fortran array to a (allocated) device pointer. More...
interface	device::device_associated
	Check if a Fortran array is assoicated with a device pointer. More...
interface	device::device_deassociate
	Deassociate a Fortran array from a device pointer. More...
interface	device::device_get_ptr
	Return the device pointer for an associated Fortran array. More...
interface	device::device_sync
	Synchronize a device or stream. More...

Modules
module	device
	Device abstraction, common interface for various accelerators.

Functions/Subroutines
subroutine, public	device::device_init
subroutine, public	device::device_finalize
subroutine, public	device::device_name (name)
integer function, public	device::device_count ()
	Return the number of available devices.
subroutine, public	device::device_alloc (x_d, s)
	Allocate memory on the device.
subroutine, public	device::device_free (x_d)
	Deallocate memory on the device.
subroutine, public	device::device_memset (x_d, v, s, sync, strm)
	Set memory on the device to a value.
subroutine	device::device_memcpy_r1 (x, x_d, n, dir, sync, strm)
	Copy data between host and device (rank 1 arrays)
subroutine	device::device_memcpy_r2 (x, x_d, n, dir, sync, strm)
	Copy data between host and device (rank 2 arrays)
subroutine	device::device_memcpy_r3 (x, x_d, n, dir, sync, strm)
	Copy data between host and device (rank 3 arrays)
subroutine	device::device_memcpy_r4 (x, x_d, n, dir, sync, strm)
	Copy data between host and device (rank 4 arrays)
subroutine	device::device_memcpy_cptr (dst, src, s, dir, sync, strm)
	Copy data between host and device (or device and device) (c-pointers)
subroutine, private	device::device_memcpy_common (ptr_h, x_d, s, dir, sync_device, stream)
	Copy data between host and device.
subroutine	device::device_associate_r1 (x, x_d)
	Associate a Fortran rank 1 array to a (allocated) device pointer.
subroutine	device::device_associate_r2 (x, x_d)
	Associate a Fortran rank 2 array to a (allocated) device pointer.
subroutine	device::device_associate_r3 (x, x_d)
	Associate a Fortran rank 3 array to a (allocated) device pointer.
subroutine	device::device_associate_r4 (x, x_d)
	Associate a Fortran rank 4 array to a (allocated) device pointer.
subroutine	device::device_deassociate_r1 (x)
	Deassociate a Fortran rank 1 array from a device pointer.
subroutine	device::device_deassociate_r2 (x)
	Deassociate a Fortran rank 2 array from a device pointer.
subroutine	device::device_deassociate_r3 (x)
	Deassociate a Fortran rank 3 array from a device pointer.
subroutine	device::device_deassociate_r4 (x)
	Deassociate a Fortran rank 4 array from a device pointer.
subroutine	device::device_map_r1 (x, x_d, n)
	Map a Fortran rank 1 array to a device (allocate and associate)
subroutine	device::device_map_r2 (x, x_d, n)
	Map a Fortran rank 2 array to a device (allocate and associate)
subroutine	device::device_map_r3 (x, x_d, n)
	Map a Fortran rank 3 array to a device (allocate and associate)
subroutine	device::device_map_r4 (x, x_d, n)
	Map a Fortran rank 4 array to a device (allocate and associate)
logical function	device::device_associated_r1 (x)
	Check if a Fortran rank 1 array is assoicated with a device pointer.
logical function	device::device_associated_r2 (x)
	Check if a Fortran rank 2 array is assoicated with a device pointer.
logical function	device::device_associated_r3 (x)
	Check if a Fortran rank 3 array is assoicated with a device pointer.
logical function	device::device_associated_r4 (x)
	Check if a Fortran rank 4 array is assoicated with a device pointer.
type(c_ptr) function	device::device_get_ptr_r1 (x)
	Return the device pointer for an associated Fortran rank 1 array.
type(c_ptr) function	device::device_get_ptr_r2 (x)
	Return the device pointer for an associated Fortran rank 2 array.
type(c_ptr) function	device::device_get_ptr_r3 (x)
	Return the device pointer for an associated Fortran rank 3 array.
type(c_ptr) function	device::device_get_ptr_r4 (x)
	Return the device pointer for an associated Fortran rank 4 array.
subroutine	device::device_sync_device ()
	Synchronize the device.
subroutine, public	device::device_sync_stream (stream)
	Synchronize a device stream.
subroutine, public	device::device_stream_create (stream, flags)
	Create a device stream/command queue.
subroutine, public	device::device_stream_create_with_priority (stream, flags, prio)
	Create a device stream/command queue with priority.
subroutine, public	device::device_stream_destroy (stream)
	Destroy a device stream/command queue.
subroutine, public	device::device_stream_wait_event (stream, event, flags)
	Synchronize a device stream with an event.
subroutine, public	device::device_profiler_start ()
	Start device profiling.
subroutine, public	device::device_profiler_stop ()
	Stop device profiling.
subroutine, public	device::device_event_create (event, flags)
	Create a device event queue.
subroutine, public	device::device_event_destroy (event)
	Destroy a device event.
subroutine, public	device::device_event_record (event, stream)
	Record a device event.
subroutine, public	device::device_event_sync (event)
	Synchronize an event.

Variables
integer, parameter, public	device::host_to_device = 1
integer, parameter, public	device::device_to_host = 2
integer, parameter, public	device::device_to_device = 3
type(c_ptr), bind(C), public	device::glb_cmd_queue = C_NULL_PTR
	Global command queue.
type(c_ptr), bind(C), public	device::aux_cmd_queue = C_NULL_PTR
	Aux command queue.
type(c_ptr), bind(C), public	device::prf_cmd_queue = C_NULL_PTR
	Profiling command queue.
type(c_ptr), bind(C), public	device::glb_cmd_event
	Event for the global command queue.
integer, public	device::strm_high_prio
	High priority stream setting.
integer, public	device::strm_low_prio
	Low priority stream setting.
type(htable_cptr_t), private	device::device_addrtbl
	Table of host to device address mappings.