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DISPATCHING FUNCTION CALLS ACROSS ACCELERATOR DEVICES

United States Patent Application

20160283264
A1
View the Complete Application at the US Patent & Trademark Office
In one embodiment, a computer-implemented method for dispatching a function call includes receiving, at a supervisor processing element (PE) and from an origin PE, an identifier of a target device, a stack frame of the origin PE, and an address of a function called from the origin PE. The supervisor PE allocates a target PE of the target device. The supervisor PE copies the stack frame of the origin PE to a new stack frame on a call stack of the target PE. The supervisor PE instructs the target PE to execute the function. The supervisor PE receives a notification that execution of the function is complete. The supervisor PE copies the stack frame of the target PE to the stack frame of the origin PE. The supervisor PE releases the target PE of the target device. The supervisor PE instructs the origin PE to resume execution of the program.
Jacob, Arpith C. (Dobbs Ferry, NY), Sallenave, Olivier H. (Baldwin Place, NY)
14/ 744,048
June 19, 2015
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] This invention was made with Government support under B599858 awarded by Department of Energy. The Government has certain rights to this invention.