This document focuses on two main scenarios: how to tune the BIOS for high performance and how to tune it for low latency. This document provides some general guidelines and suggestions to help you achieve optimal performance from your Cisco UCS blade and rack servers that use Intel Xeon Scalable processor family CPUs. For most options, you must choose between optimizing a server for power savings or for performance.

The process of setting performance options in your system BIOS can be daunting and confusing, and some of the options you can choose are obscure. The settings demonstrated here are generic. This document does not discuss the BIOS options for specific firmware releases of Cisco UCS servers. Understanding the BIOS options will help you select appropriate values to achieve optimal system performance. This document also discusses the BIOS settings that can be selected for various workload types on Cisco UCS M5 servers that use Intel Xeon Scalable processor family CPUs. It describes how to optimize the BIOS settings to meet requirements for the best performance and energy efficiency for the Cisco UCS M5 generation of blade and rack servers. This document explains the BIOS settings that are valid for the Cisco Unified Computing System ™ (Cisco UCS ®) M5 server generation (Cisco UCS B200 and B480 M5 Blade Servers and C220, C240, and C480 M5 Rack Servers) using Intel ® Xeon ® Scalable processor family CPUs. Some of these settings are directly related to the performance of the system. A typical computational system has several BIOS settings that control the system’s behavior. The Basic Input and Output System (BIOS) tests and initializes the hardware components of a system and boots the operating system from a storage device.

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