User program and operating system interface in a multithreaded environment

User program and operating system interface in a multithreaded environment

A method and system that prepares a task for being swapped out from processor utilization that is executing on a computer with multiple processors that each support multiple streams. The task has one or more teams of threads, where each team represents threads executing on a single processor. The ta...

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Hauptverfasser: CALLAHAN, II CHARLES DAVID, COATNEY SUSAN L, KORRY RICHARD D, ALVERSON GAIL A, KOBLENZ BRIAN D, SMITH BURTON J
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator CALLAHAN, II CHARLES DAVID
COATNEY SUSAN L
KORRY RICHARD D
ALVERSON GAIL A
KOBLENZ BRIAN D
SMITH BURTON J
description A method and system that prepares a task for being swapped out from processor utilization that is executing on a computer with multiple processors that each support multiple streams. The task has one or more teams of threads, where each team represents threads executing on a single processor. The task designates, for each stream, one stream that is executing a thread as a team master stream. The task designates one stream that is executing a thread as a task master stream. For each team master stream, the task notifies the operating system that the team is ready to be swapped out when each other thread of the team has saved its state and has quit its stream. Finally, for the task master stream, the task notifies the operating system that the task is ready to be swapped when it has saved its state and each of the other teams have notified the operating system that that team is ready to be swapped out.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title User program and operating system interface in a multithreaded environment
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