Low latency corrupt data tagging on a cross-chip link
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United States of America
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Feb 4, 2020
Grant Date -
Mar 21, 2019
app pub date -
Nov 27, 2017
filing date -
Nov 27, 2017
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Abstract
Low latency corrupt data tagging on a cross-chip link including receiving, from the cross-chip link, a control flit comprising a virtual channel identifier for an incoming data flit; storing the virtual channel identifier in a data pipeline and a bad data indicator (BDI) pipeline; receiving, from the cross-chip link, the incoming data flit into the data pipeline; moving, based on the virtual channel identifier in the data pipeline, the data flit from the data pipeline into an entry in a virtual channel queue corresponding to the virtual channel identifier; receiving, from the cross-chip link, a BDI for the data flit into the BDI pipeline; and moving, based on the virtual channel identifier in the BDI pipeline, the BDI for the data flit from the BDI pipeline into an entry in a BDI array corresponding to the entry in the virtual channel queue storing the data flit.
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