Questions tagged [cpu]
CPU is the abbreviation for central processing unit. Sometimes referred to simply as the central processor, but more commonly called processor
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Branch Prediction: How does a correlative branch predictor select from the global history?
I am trying to understand how branch prediction works, specifically with regards to correlative branch prediction. I understand that in an (m, n) branch predictor, there are m branch predictors, with ...
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Handling exceptions in multiple-issue CPUs
From what I read, VLIWs execute instructions in bundles, i.e. the CPU loads a bundle of instructions and dispatches them all at once. This is possible because the compiler scheduled instructions in ...
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What parallelism happens in a vector processor?
From Tanebaum's Structured Computer Organization
A vector processor is very efficient at executing a sequence of
operations on pairs of data elements. All of the operations are
performed in a ...
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Cost of cache coherency/sharing data across multiple cores?
If I have two CPU cores, one is writing a particular cache line and the other core wishes to
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the same cache line, what are the costs (in cycles) for doing so?
I am a little unsure ...
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