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Instruction-level Parallelism

Instruction-level Parallelism. Compiler Perspectives on Code Movement. dependencies are a property of code, whether or not it is a HW hazard depends on the given pipeline. Compiler must respect ( True ) Data dependencies (RAW) Instruction i produces a result used by instruction j, or

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509 views • 39 slides

Hardware-Based Speculation

Hardware-Based Speculation. Exploiting More ILP. Branch prediction reduces stalls but may not be sufficient to generate the desired amount of ILP One way to overcome control dependencies is with speculation Make a guess and execute program as if our guess is correct

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812 views • 26 slides

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