Speculative Execution in High Performance Computer Architectures

Until now, there were few textbooks that focused on the dynamic subject of speculative execution, a topic that is crucial to the development of high performance computer architectures. Speculative Execution in High Performance Computer Architectures describes many recent advances in speculative execution techniques. It covers cutting-edge research projects, as well as numerous commercial implementations that demonstrate the value of this latency-hiding technique.The book begins with a review of control speculation techniques that use instruction cache prefetching, branch prediction and predication, and multi-path execution. It then examines dataflow speculation techniques including data cache prefetching, address value and data value speculation, pre-computation, and coherence speculation. This textbook also explores multithreaded approaches, emphasizing profile-guided speculation, speculative microarchitectures, and compiler techniques.

Inhalt
Introduction. Instruction cache prefetching. Branch prediction. Trace caches. Branch predication. Multipath execution. Data cache prefetching. Address prediction. Data speculation. Instruction precomputation: Dynamically removing redundant computations using profiling. Profile-Based speculation. Compilation and speculation. Multithreading and speculation. Exploiting Load/Store parallelism via memory dependence prediction. Resource flow microarchitectures.

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