Memory scrubbing options-If the BIOS allows for the memory-scrubbing rate to be configured, VMware recommends leaving it at the manufacturer’s default setting. You should disable any device you will not be using, such as serial, USB, or network ports. One core works as two logical cores, allowing each to process one thread.Įnable VT-x, AMD-V, EPT, RVI-Verify that any hardware-assisted virtualization features such as VT-x, AMD-V, EPT, and RVI are enabled.ĭisable unnecessary devices-Yes, this is also a BIOS optimization task. When activated, one core can execute two threads, so if your CPU has 12 cores, then it is able to process 24 threads in parallel. And as you know, more threads mean more work can be done in parallel. Hyper-Threading Technology is an Intel hardware innovation that allows more than one thread to run on each core. Hyperthreading is usually enabled, especially on server boards. To maximize performance for short periods of time, Turbo Boost Technology can make the processor operate at a power level that is higher than its TDP configuration and the power specified on the data sheet.Įnable All Sockets and Cores-Verify that the BIOS is configured to enable all populated processor sockets to be active and to enable all cores in each socket.Įnable Hyperthreading-Verify that hyperthreading is enabled in the BIOS for processors that support this technology. If the CPU is working below its limits and the user's application needs more performance, the CPU is able to dynamically increase until the upper limit of frequency.
Whenever the workload requires more speed, Turbo boost accelerates the CPU up to the limit allowed in the tech specifications. Intel Turbo Boost Technology is a built-in software accelerator that can speed up the CPU depending on the workload. Your hardware manufacturer may have released new updates, which usually fix some bugs or allow the use of newer processors.Įnable Turbo Boost-If the processor supports it, you should enable Turbo Boost in the BIOS. Update BIOS to the latest release-Update the BIOS to the latest release before you start installing ESXi. If that's the case, it should be the option to use to get the best performance for your VMs. However, on some systems, you might only have the High-Performance policy as an option. If the host hardware does not allow ESXi software to manage power, then only the Not Supported policy is available, and everything else is grayed out. Edit VMware ESXi Power Management policy with vCenter
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