acc_memcpy_from_device (GNU libgomp)

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6.32 `acc_memcpy_from_device` – Copy device memory to host memory. ¶

Description

This function copies device memory specified by device address of data_dev_src to host memory specified by the host address data_host_dest for a length of bytes bytes.

C/C++:

Prototype:	`void acc_memcpy_from_device(h_void* data_host_dest,`
	`d_void* data_dev_src, size_t bytes);`
Prototype:	`void acc_memcpy_from_device_async(h_void* data_host_dest,`
	`d_void* data_dev_src, size_t bytes, int async_arg);`

Fortran:

Interface:	`subroutine acc_memcpy_from_device(data_host_dest, &`
	`data_dev_src, bytes)`
Interface:	`subroutine acc_memcpy_from_device_async(data_host_dest, &`
	`data_dev_src, bytes, async_arg)`
	`type(), dimension() :: data_host_dest`
	`type(c_ptr), value :: data_dev_src`
	`integer(c_size_t), value :: bytes`
	`integer(acc_handle_kind), value :: async_arg`

Reference:

OpenACC specification v2.6, section 3.2.32. OpenACC specification v3.3, section 3.2.27.