Intel Thread Director optimization helps Windows virtual machine performance soar on Linux

Recently, there is good news for users who want to run Windows virtual machines on Linux systems. This news is especially concerning for users using 12th generation or more advanced Intel processors.

Previously, Microsoft released a guide to encourage Windows users to use WSL (Windows Subsystem for Linux) to explore the Linux world. At the same time, Intel is also working to integrate Thread Director optimization technology into Windows virtual machines on Linux hosts to significantly improve performance. According to Phoronix reports, these optimization measures have been successful in testing on the 13th generation Core i9-13900K processor, with a performance improvement of more than 14%.

Intel’s Thread Director technology is dedicated to optimizing Windows task scheduling on 12th generation and later performance hybrid architecture CPUs to more efficiently distribute across P cores and E cores. In addition to being widely used in the field of virtual machines, this technology has become part of the Linux kernel. However, achieving this optimization requires additional support from Intel's Hardware P State/Performance State (HWP) and Cooperative Processor Performance Control (CPPC) in addition to Thread Director itself. The combination of these functions makes task scheduling more intelligent and efficient, and can allocate workloads to the most appropriate cores, thereby improving system performance and efficiency. The development of Thread Director technology will further promote the optimization and application of multi-core processors.

It is understood that Intel has been working hard to improve the performance of its processors in various application scenarios. The successful application of Thread Director optimization in Windows virtual machines on Linux hosts provides a smoother experience for users who need to flexibly switch between the two operating systems. This optimization measure makes applications run more efficiently in virtual machines, improving system response speed and overall performance. This means better work efficiency and a better user experience for users.

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