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Latency, Throughput, and Port Usage Information
For Instructions on Recent x86 Microarchitectures
This website provides more than 700,000 pages with detailed latency, throughput, and port usage data for most instructions on many recent x86 microarchitectures. While such data is important for understanding, predicting, and optimizing the performance of software running on these microarchitectures, most of it is not documented in the official processor manuals.