offload_api.F File Reference

#include "../base/base_uses.f90"

Go to the source code of this file.

Data Types
type	offload_api::offload_buffer_type

Modules
module	offload_api
	Fortran API for the offload package, which is written in C.

Functions/Subroutines
integer function, public	offload_api::offload_malloc_pinned_mem (buffer, length)
	allocate pinned memory.
integer function, public	offload_api::offload_free_pinned_mem (buffer)
	free pinned memory
subroutine, public	offload_api::offload_init ()
	Initialize runtime.
integer function, public	offload_api::offload_get_device_count ()
	Returns the number of available devices.
subroutine, public	offload_api::offload_set_chosen_device (device_id)
	Selects the chosen device to be used.
integer function, public	offload_api::offload_get_chosen_device ()
	Returns the chosen device.
subroutine, public	offload_api::offload_activate_chosen_device ()
	Activates the device selected via offload_set_chosen_device().
subroutine, public	offload_api::offload_timeset (routinen)
	Starts a timing range.
subroutine, public	offload_api::offload_timestop ()
	Ends a timing range.
subroutine, public	offload_api::offload_mem_info (free, total)
	Gets free and total device memory.
subroutine, public	offload_api::offload_create_buffer (length, buffer)
	Allocates a buffer of given length, ie. number of elements.
subroutine, public	offload_api::offload_free_buffer (buffer)
	Deallocates given buffer.
subroutine, public	offload_api::offload_mempool_stats_print (mpi_comm, output_unit)
	Print allocation statistics.
subroutine, public	offload_api::offload_buffer_h2d (buffer, length)
	Copy host data to device.
subroutine, public	offload_api::offload_buffer_d2h (buffer, length)
	Copy device data to host.
type(c_ptr) function, public	offload_api::offload_get_buffer_device_pointer (buffer)
	Return a C pointer to the buffer's underlying device memory.
subroutine, public	offload_api::offload_device_synchronize ()
	Blocks until all outstanding device work has completed.
type(c_ptr) function, public	offload_api::offload_get_buffer_host_pointer (buffer)
	Return a C pointer to the buffer's host memory.