branchprediction

2019年6月23日—Whentheprocessorseesabranchinstructionappearinitspipeline,itneedstofigureouthowtocontinuetofillupitspipeline.Inorderto ...,DesignofaHighPerformanceBranchPredictorBasedonGlobalHistoryConsideringHardwareCost.,IsBranchPredictionMoreImportantToday?Thinkabout:•Isthenumberofbranchesincodechanging?•Isitgettinghardertopredictbranchoutcomes ...,2021年5月6日—Wemuststartourjourneywithabitof...

參考資訊如下
Branch Prediction — Everything you need to know.

2019年6月23日 — When the processor sees a branch instruction appear in its pipeline, it needs to figure out how to continue to fill up its pipeline. In order to ...

Design of a High Performance Branch Predictor Based on ...

Design of a High Performance Branch Predictor Based on Global History Considering Hardware Cost.

Branch Prediction Review

Is Branch Prediction More Important Today? Think about: • Is the number of branches in code changing? • Is it getting harder to predict branch outcomes ...

Branch predictor

2021年5月6日 — We must start our journey with a bit of theory. We want to figure out if the CPU cost of a branch increases as we add more of them.

Computer Architecture

+ Per branch prediction (more accurate than schemes in previous slide) → accurate if profile is representative! -- Requires hint bits in the branch instruction ...

Branch Prediction

2017年11月6日 — 为了克服上述问题，pipeline中引入了Branch Prediction机制。Branch Prediction就是通过预测，把接下来最有可能执行的分支获取进入pipeline，就像不存在对 ...

說明

分支預測器

在電腦架構中，分支預測器（英語：Branch predictor）是一種數位電路，在分支指令執行結束之前猜測哪一路分支將會被執行，以提高處理器的指令管線的效能。

What is branch prediction?

Branch predictor

In computer architecture, a branch predictor is a digital circuit that tries to guess which way a branch will go before this is known definitively.