Thread cancellation and recirculation in a computer processor for avoiding pipeline stalls
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United States of America Patent
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Oct 26, 2010
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N/A
app pub date -
Jan 22, 2003
filing date -
Jan 22, 2003
priority date (Note) -
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Abstract
The present invention provides a computer pipeline control mechanism enabling a nonstalling pipeline despite the presence of pipeline hazards. The present invention detects the presence of predetermined pipeline hazard conditions, cancels the thread which contains the instruction encountering such pipeline hazard and then recirculates the program counter of the instruction having hazards for re-execution. The present invention guarantees the deterministic execution of threads in a computer pipeline.
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