System and method for maintaining coherency of information transferred between multiple devices
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United States of America Patent
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-
May 5, 1998
Issued Date -
N/A
app pub date -
Dec 6, 1994
filing date -
May 14, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and system are provided for maintaining memory coherency. A first device stores information. A second device is coupled to the first device. The second device inputs at least a portion of the information and outputs an indication that the portion is not to be cached by the second device. Rather than initializing other devices to 'know' in advance that a cache memory is absent from a given device, a control signal indicates the device's intent to not cache the requested portion of information in a cache memory.
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