INSTRUCTION LEVEL EXECUTION PREEMPTION

INSTRUCTION LEVEL EXECUTION PREEMPTION

One embodiment of the present invention sets forth a technique instruction level and compute thread array granularity execution preemption. Preempting at the instruction level does not require any draining of the processing pipeline. No new instructions are issued and the context state is unloaded f...

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Hauptverfasser: SCHAUFLER GERNOT, LAMB CHRISTOPHER, PURCELL TIMOTHY JOHN, CUADRA PHILIP ALEXANDER, JOHNSON PHILIP BROWNING, GADRE SHIRISH, WANG NICHOLAS, SHAH LACKY V, OHANNESSIAN ROBERT, DUNCAN SAMUEL H, PALMER GREGORY SCOTT
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator SCHAUFLER GERNOT
LAMB CHRISTOPHER
PURCELL TIMOTHY JOHN
CUADRA PHILIP ALEXANDER
JOHNSON PHILIP BROWNING
GADRE SHIRISH
WANG NICHOLAS
SHAH LACKY V
OHANNESSIAN ROBERT
DUNCAN SAMUEL H
PALMER GREGORY SCOTT
description One embodiment of the present invention sets forth a technique instruction level and compute thread array granularity execution preemption. Preempting at the instruction level does not require any draining of the processing pipeline. No new instructions are issued and the context state is unloaded from the processing pipeline. When preemption is performed at a compute thread array boundary, the amount of context state to be stored is reduced because execution units within the processing pipeline complete execution of in-flight instructions and become idle. If, the amount of time needed to complete execution of the in-flight instructions exceeds a threshold, then the preemption may dynamically change to be performed at the instruction level instead of at compute thread array granularity.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title INSTRUCTION LEVEL EXECUTION PREEMPTION
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