G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 9/40 (2006.01) G06F 9/445 (2006.01)
Patent
CA 2441799
A method, apparatus and program for booting a non-uniform-memory-access (NUMA) machine are provided. The invention comprises configuring a plurality of standalone, symmetrical multiprocessing (SMP) systems to operate within a NUMA system. A master processor is selected within each SMP; the other processors in the SMP are designated as NUMA slave processors. A NUMA master processor is then chosen from the SMP master processors; the other SMP master processors are designated as NUMA slave processors. A unique NUMA ID is assigned to each SMP that will be part of the NUMA system. The SMPs are then booted in NUMA mode in one-pass with memory coherency established right at the beginning of the execution of the system firmware.
L'invention concerne un procédé, un appareil et un programme permettant d'amorcer une machine d'accès non uniforme à la mémoire (NUMA), qui consiste à configurer plusieurs systèmes multiprocesseurs symétriques autonomes (SMP) destinés à fonctionner dans un système NUMA. On choisi un processeur maître dans chaque SMP, les autres processeurs des SMP étant désignés comme processeurs esclaves de NUMA. On choisit ensuite un processeur maître dans les processeurs maîtres SMP, les autres processeurs maîtres SMP étant désignés comme processeurs esclaves de NUMA. Une identification NUMA unique est affectée à chaque SMP qui fera partie du système NUMA. Les SMP sont ensuite amorcés en mode NUMA en monopasse, la cohérence de la mémoire étant établie dès le début de l'exécution du micrologiciel du système.
Lee Van Hoa
Tran Kiet Anh
International Business Machines Corporation
Rosen Arnold
LandOfFree
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