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Windows 11 performance patch for AMD Ryzen CPUs reportedly rolling out next week

An AMD Ryzen processor render

Recently it came to light that AMD's Zen-based chips had performance issues on Windows 11. AMD had identified a couple of problems, the first related to the Level 3 (L3) cache latency that would impact games and other latency-sensitive applications. While the other problem was related to Collaborative Processor Performance Control (CPPC) whereby the fastest CPU core was not scheduled properly when needed. You can read about it in more detail here.

The issue in fact was detected on officially supported AMD processors, ie, Zen+ and newer, which meant the performance hiccup wasn't due to something like Virtualization-based Security (VBS) that is known to heavily impact 1st gen Zen processors.

Thankfully, both AMD and Microsoft stated that patches for the two issues were heading out within this month and today, Wccftech claims it has received information regarding the purported release dates. According to the site, both the issues have been resolved and the patches will begin rolling out in a week's time.

  • The CPPC issue has been resolved. The AMD driver power profile is in the release process and targeted for GA release on 10/21. If it is needed before GA, AMD can share the driver directly with customers upon request.
  • The L3 cache latency issue has been resolved by Microsoft. Microsoft plans to release the fix in their 10C Windows Update which is targeted for 10/19.

Essentially, Wccftech says that an update for Windows 11 that lands next week would add the fix for the L3 cache latency problem, while the UEFI CPPC2 patch will be generally available a couple of days after that.

Source: Wccftech

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