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The Washington County Fair Board met Monday, April 1 at 7 p.m. The meeting was called to order by Chairman Shane Baum, with board members Sean Kennedy, Monica Hunt, Chad Young and Byron Guy present. TJ Hernandez and Levi Brown were absent. There were 13 guests in attendance. The February and March minutes, as well […]
Examples of using the Linux perf command, aka perf_events, for performance analysis and debugging. perf is a profiler and tracer.
Posted on Let’s take a closer look at instruction fetch, decode and dispatch in the Cortex-A72 micro-architecture. These are the “front-end” stages of the core pipeline. The “back-end” of the pipeline consists of the register file(s), execution units and retirement (reorder) buffer. Branch prediction is frequently associated with the front-end since it directly affects instruction fetch. [Update: This post is part 1 of a two part series. Part 2 discusses ARM Cortex-A72 execution and load/store operations.] The front-end has one major job: Fetch ARMv8 instructions and keep the ba...