All Articles Tagged Memoray latency

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High Clocks Per Instruction Retired when vectorizing the loop.[Knowledgebase]
Introduction Sometimes when we vectorize a loop, we get a high Clocks Per Instruction Retired (CPI) value. This happens when there is high bus utilization and the bus gets saturated. The subtraction...

Posted: 2008-12-28 11:30:00 by Om Sachan (Intel)
BUS Saturation, hardware prefetcher, High CPI, Memoray latency, simd, SSE, SSE1, SSE2, SSE3, SSE4, Vectorizer, Vtune