Sharing list for multi-node DMA write operations
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United States of America Patent
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-
Apr 30, 2002
Grant Date -
Jun 14, 2001
app pub date -
Jan 31, 1997
filing date -
Jan 31, 1997
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In a SCI based multi-node system, the write purge command joins the new node that is requesting to write to the memory of the sharing list, while maintaining the connection between the memory and the sharing list. The new node then issues the purging command to each node in the sharing list, while still maintaining the connection of the sharing list to the memory. Next, the new node issues the collapsing command to separate the sharing list from the memory after the purging command has been issued to each node. A send request data packet is used to distribute the write purge command to the memory node.
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