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http://hcl.xenserver.org/cpus/
45 rows · This page lists the CPU families that are supported with each release of Citrix Hypervisor.
https://www.intel.com/content/www/us/en/products/processors/xeon.html
Intel® Xeon® Processor E3 Family. Intel® Xeon® E3 processors deliver essential performance and visuals to support the needs of businesses worldwide, including: Small business servers, powerful mobile workstations, entry workstations, storage servers, cloud workstations, media transcode and edge computing/IoT. View products
https://wiki.xenproject.org/wiki/Xen_Project_FAQ_Compatibility
As of Xen 4.3 Xen requires at least x86 64-bit for the hypervisor. Xen used to be supported on IA64 (Itanium) but that support was dropped as of Xen 4.2 and Linux v3.14. On x86 Xen Project requires a "P6" or newer processor (that's any Intel or AMD x86 CPU purchased in the last seven years).
https://wiki.xen.org/wiki/Xen_power_management
This document describes the power management feature of Xen, including the CPU P-States(cpufreq), and CPU C-states (cpuidle).
https://wiki.xenproject.org/wiki/Tuning_Xen_for_Performance
In Xen 4.5 we tried to determine is the reported performance issue of Hyperthreading in Credit1 scheduler was a regression or had existed. See [Virt overehead with HT [was: Re: Xen 4.5 development update]] contains gore details. The brief summary is that Xen Credit1 has an 7.9% performance drop when using SMT with kernbench workload.
https://en.wikipedia.org/wiki/Xen
Xen Project (pronounced / ˈ z ɛ n /) is a type-1 hypervisor, providing services that allow multiple computer operating systems to execute on the same computer hardware concurrently. It was developed by the University of Cambridge and is now being developed by the Linux Foundation with support from Intel.License: GNU GPL version 2
https://wiki.gentoo.org/wiki/Xen
Xen is a native, or bare-metal, hypervisor that allows multiple distinct virtual machines (referred to as domains) to share a single physical machine. As the highest privilege process on the system, Xen is responsible for the distribution of processor and memory resources between guest domains on the host.
https://xenproject.org/developers/teams/xen-hypervisor/
The Xen Project hypervisor is developed by a worldwide community of individuals, researchers and employees of companies and that follow the Xen Project Governance process based on openness, transparency, and meritocracy. The project is supported by the Xen Project Advisory Board made up of project member companies that fund the Xen Project. You can find a contribution breakdowns under ...
https://en.wikipedia.org/wiki/List_of_IOMMU-supporting_hardware
The vast majority of Intel server chips of the Xeon E3, Xeon E5, and Xeon E7 product lines support VT-d. The first—and least powerful—Xeon to support VT-d was the E5502 launched Q1'09 with two cores at 1.86 GHz on a 45 nm process. Many or most Xeons subsequent to this support VT-d.
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