Runahead execution for graphics processing units

Details Runahead execution for graphics processing units Runahead execution for graphics processing units

2007-05-15

2011-10-11

Hsu, Joni (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics display memory system

Graphic display memory controller

C345S530000, C345S501000

Reexamination Certificate

active

08035648

ABSTRACT:
A method, in accordance with an embodiment of the invention, includes detecting a memory page miss associated with a thread operating on a Graphics Processing Unit (GPU). A request can be issued to receive the memory page associated with the memory page miss. There can be a switch into a runahead mode. During the runahead mode, a future memory page miss can be detected. During the runahead mode, a request can be issued to receive the future memory page associated with the future memory page miss.

REFERENCES:
patent: 6037946 (2000-03-01), Takeda
patent: 7587584 (2009-09-01), Enright et al.
patent: 2004/0128448 (2004-07-01), Stark et al.
patent: 2005/0041031 (2005-02-01), Diard
patent: 2006/0149931 (2006-07-01), Haitham et al.
Mutlu, et al.; Runahead Execution: An Alternative to Very Large Instruction Windows for Out-Of-Order Processors; Jan. 2003.
James Dundas and Trevor Mudge; Improving Data Cache Performance by Pre-Executing Instructions Under a Cache Miss. Proc. 1997 ACM Int. Conf. on Supercomputing, Jul. 1997, to appear.

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