prt_callback.c File Reference

PRT callback. More...

#include "prt_callback.h"

Go to the source code of this file.

Functions
prt_callback_finish_t *	prt_callback_finish_new (struct prt_packet_s *src_packet, struct prt_packet_s *dst_packet, struct prt_channel_s *channel)
	Creates a new callback data structure. This is for the callback that completes a local transfer. More...
void	prt_callback_finish_delete (prt_callback_finish_t *callback)
	Destroys a callback data structure. This is for the callback that completes a local transfer. More...
void CUDART_CB	prt_callback_finish_handler (cudaStream_t stream, cudaError_t status, void *clbck)
	Finishes a local transfer. Puts the packet in the channel after a local transfer finishes. Services host-to-device and device-to-host transfers. More...
prt_callback_queue_t *	prt_callback_queue_new (struct prt_packet_s *old_packet, struct prt_packet_s *src_packet, struct prt_channel_s *channel, prt_direction_t direction, int agent)
	Creates a new callback data structure. This is for the callback that queues a local transfer. More...
void	prt_callback_queue_delete (prt_callback_queue_t *callback)
	Destroys a callback data structure. This is for the callback that queues a local transfer. More...
void CUDART_CB	prt_callback_queue_handler (cudaStream_t stream, cudaError_t status, void *clbck)
	Queues a local transfer request. Services device-to-device requensts and MPI requests from a device. More...
prt_callback_release_t *	prt_callback_release_new (struct prt_vdp_s *vdp, struct prt_packet_s *packet)
	Creates a new callback data structure. This is for the callback that releases a device packet. More...
void	prt_callback_release_delete (prt_callback_release_t *callback)
	Destroys a callback data structure. This is for the callback that releases a device packet. More...
void CUDART_CB	prt_callback_release_handler (cudaStream_t stream, cudaError_t status, void *clbck)
	Releases a device packet. More...

Detailed Description

PRT callback.

Author

Jakub Kurzak

PULSAR Runtime http://icl.utk.edu/pulsar/ Copyright (C) 2012-2015 University of Tennessee.

Definition in file prt_callback.c.

Function Documentation

void prt_callback_finish_delete

(

prt_callback_finish_t *

callback)

Destroys a callback data structure. This is for the callback that completes a local transfer.

Parameters

callback

– The callback data structure to destroy.

Definition at line 45 of file prt_callback.c.

void CUDART_CB prt_callback_finish_handler	(	cudaStream_t	stream,
		cudaError_t	status,
		void *	clbck
	)

Finishes a local transfer. Puts the packet in the channel after a local transfer finishes. Services host-to-device and device-to-host transfers.

Parameters

stream	– The callback's stream.
status	– The stream's status.
clbck	– The callback data.

Definition at line 60 of file prt_callback.c.

prt_callback_finish_t* prt_callback_finish_new	(	struct prt_packet_s *	src_packet,
		struct prt_packet_s *	dst_packet,
		struct prt_channel_s *	channel
	)

Creates a new callback data structure. This is for the callback that completes a local transfer.

Parameters

src_packet	– The packet to release when the transfer completes.
dst_packet	– The packet to place in the channel when the transfer completes.
channel	– The channel to insert the packet into.

Returns

A new callback data structure.

Definition at line 24 of file prt_callback.c.

void prt_callback_queue_delete

(

prt_callback_queue_t *

callback)

Destroys a callback data structure. This is for the callback that queues a local transfer.

Parameters

callback

– The callback data structure to destroy.

Definition at line 129 of file prt_callback.c.

void CUDART_CB prt_callback_queue_handler	(	cudaStream_t	stream,
		cudaError_t	status,
		void *	clbck
	)

Queues a local transfer request. Services device-to-device requensts and MPI requests from a device.

Parameters

stream	– The callback's stream.
status	– The stream's status.
clbck	– The callback data.

Definition at line 143 of file prt_callback.c.

prt_callback_queue_t* prt_callback_queue_new	(	struct prt_packet_s *	old_packet,
		struct prt_packet_s *	src_packet,
		struct prt_channel_s *	channel,
		prt_direction_t	direction,
		int	agent
	)

Creates a new callback data structure. This is for the callback that queues a local transfer.

Parameters

old_packet	– The packet to release when the transfer completes.
src_packet	– The packet to use for the followup transfer request.
channel	– The channel to use for the followup transfer request.
direction	– The direction of the followup transfer request.

Returns

A new callback data structure.

Definition at line 104 of file prt_callback.c.

void prt_callback_release_delete

(

prt_callback_release_t *

callback)

Destroys a callback data structure. This is for the callback that releases a device packet.

Parameters

callback

– The callback data structure to be destroyed.

Definition at line 210 of file prt_callback.c.

void CUDART_CB prt_callback_release_handler	(	cudaStream_t	stream,
		cudaError_t	status,
		void *	clbck
	)

Releases a device packet.

Parameters

stream	– The callback's stream.
status	– The stream's status.
clbck	– The callback data.

Definition at line 223 of file prt_callback.c.

prt_callback_release_t* prt_callback_release_new	(	struct prt_vdp_s *	vdp,
		struct prt_packet_s *	packet
	)

Creates a new callback data structure. This is for the callback that releases a device packet.

Parameters

vdp	– The VDP releasing the packet.
packet	– The packet to release.

Returns

A new callback data structure.

Definition at line 191 of file prt_callback.c.