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METHOD AND APPARATUS FOR FILTERING MEMORY WRITE SNOOP ACTIVITY IN A DISTRIBUTED SHARED MEMORY COMPUTER
METHOD AND APPARATUS FOR FILTERING MEMORY WRITE SNOOP ACTIVITY IN A DISTRIBUTED SHARED MEMORY COMPUTER
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机译:分布式共享内存计算机中内存写监听活动的过滤方法和装置
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摘要
A method and apparatus for filtering memory probe activity for writes in a distributed shared memory computer. In one embodiment, the method may include assigning an uncached directory state to a cache data block in response to evicting the cache data block. In another embodiment, the method may include assigning a remote directory state to a cache data block in response to evicting the cache data block and storing it in a remote cache. In a third embodiment, the method may include assigning a pairwise-shared directory state in response to a second processor node initiating a load operation to a cache data block in a modified cache state in a first processor node. In a fourth embodiment, the method may include assigning a migratory directory state in response to a processor node initiating a store operation to a cache data block in a pairwise-shared cache state.
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