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Wccftech reported a few days ago of known issues appearing after users installed the latest Windows 11 operating system from Microsoft: Oracle VirtualBox software and Cốc Cốc browser compatibility issues, as well as Intel network issues. . Today AMD reported performance issues with its Windows 11 compatible AMD processors when running certain applications after installing the new operating system.
AMD urges users to stick with Windows 10 as a workaround, fix coming soon
Reddit user axaro1 posted a screenshot of the performance difference before the patch between AMD and Microsoft.
Known changes to areas affected by performance such as
- The measured and functional L3 cache latency can increase by approximately 3X.
- UEFI CPPC2 (“preferred core”) may not preferentially schedule threads on the fastest core of a processor.
AMD states that the impact of increasing L3 cache latency would be that time sensitive applications to access the memory subsystem could have a potential impact, as well as an “expected performance impact of 3 to 5% in affected applications, 10-15% possible outliers in games commonly used for eSports. “With the effect on core performance preferred and not scheduling threads with correct core efficiency the most efficient of AMD processors, some “applications sensitive to the performance of one or a few processor threads may show reduced performance”, as well as “the performance impact may be more detectable in processors> 8 cores than above 65 W TDP. “
To address these issues, AMD and Microsoft have rolled out both Windows 11 updates, along with AMD’s software updates that will roll out this month. Microsoft and AMD plan to update their separate knowledge bases with articles updating users with included version numbers and other information as it becomes available. AMD says that while these issues are occurring, continue to use a current supported version of Windows 10 instead of continuing to use Windows 11 until the issues are actively resolved.
To see current issues with Windows 11, refer to this previous Wccftech article, as well as Microsoft’s continuously updated knowledge base and AMD’s support page for any new solutions from Wccftech. bypass or software / driver update if necessary. It is possible that other businesses may experience similar issues, but with just a few days in the new operating system, users and businesses are still finding issues.
Source: AMD
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