发明名称 |
System controller, snoop tag modification method and information processing apparatus having snoop tag modificaton function |
摘要 |
In a multiprocessor system, a system controller includes snoop tags which are copy information on cache tags retained by respective CPUs. If the same address is registered in S (Shared state) in the cache tag of each of the CPUs connected to the same CPU bus, the address is registered in S (Shared state) in only any one of the snoop tags corresponding to the CPUs in which the same address is registered.
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申请公布号 |
US2008046663(A1) |
申请公布日期 |
2008.02.21 |
申请号 |
US20070790263 |
申请日期 |
2007.04.24 |
申请人 |
FUJITSU LIMITED |
发明人 |
ISHIZUKA TAKAHARU;UEKI TOSHIKAZU;HATAIDA MAKOTO;YAMAMOTO TAKASHI;HOSOKAWA YUKA;OWAKI TAKESHI;ITOU DAISUKE |
分类号 |
G06F12/08 |
主分类号 |
G06F12/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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