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[[Category:SPO600 Labs]]{{Admon/lab|Purpose of this Lab|In this lab, you will investigate the impact of different algorithms which produce the same effect. You will test and select one of two three algorithms for adjusting the volume of PCM audio samples based on benchmarking of two possible approaches.}}
== Lab 5 ==
'''Optional - Recommended:''' Compare results across several implementations of AArch64 and x86_64 systems. Note that on different implementations, the relative performance of different algorithms will vary; for example, table lookup may outperform other algorithms on a system with a fast memory system (cache), but not on a system with a slower memory system.
* For AArch64, you could compare the performance of Cortex-A57 octa-core CPU (on aarchie) against the APM XGene-1 octa-core CPUs (on bbetty or ccharlie), or against Cortex-A53 cores (e.g., on a Raspberry Pi 3, or on ddouglas).
* For x86_64, you could compare the performance of different processors, such as xerxes, your own laptop or desktop, and Seneca systems such as Matrix, Zenit, or lap desktops.
