topic How to program IIO_LLC_WAYS in Skeylate CPU? in Software Tuning, Performance Optimization & Platform Monitoring https://community.intel.com/t5/Software-Tuning-Performance/How-to-program-IIO-LLC-WAYS-in-Skeylate-CPU/m-p/1141823#M6648 <P>Hi,&nbsp;</P><P>multiple threads in this forum ( <A href="https://software.intel.com/en-us/forums/software-tuning-performance-optimization-platform-monitoring/topic/600913" target="_blank">https://software.intel.com/en-us/forums/software-tuning-performance-optimization-platform-monitoring/topic/600913</A> ) reveals program IIO_LLC_WAYS of Hasswell CPU improves the IO transfer performance.&nbsp;</P><P>My actual testing of this proves.&nbsp;</P><P>Now I am testing a card with Skelake i9-7980XE CPU. I would like to check does this CPU have similar register to set the IIO_LLC_WAYS register? Is there any tool in Linux to do this?&nbsp;</P><P>It is very impracrtical to request motherboard vendor to modify this in the BIOS. it will be great if we can modify this in the Linux.&nbsp;</P><P>Any suggestions are appreciated!&nbsp;</P><P>Thank you.&nbsp;</P><P>Mei Guodong</P><P>Singapore</P><P>&nbsp;</P> Mon, 28 Jan 2019 14:11:01 GMT gmei2 2019-01-28T14:11:01Z How to program IIO_LLC_WAYS in Skeylate CPU? https://community.intel.com/t5/Software-Tuning-Performance/How-to-program-IIO-LLC-WAYS-in-Skeylate-CPU/m-p/1141823#M6648 <P>Hi,&nbsp;</P><P>multiple threads in this forum ( <A href="https://software.intel.com/en-us/forums/software-tuning-performance-optimization-platform-monitoring/topic/600913" target="_blank">https://software.intel.com/en-us/forums/software-tuning-performance-optimization-platform-monitoring/topic/600913</A> ) reveals program IIO_LLC_WAYS of Hasswell CPU improves the IO transfer performance.&nbsp;</P><P>My actual testing of this proves.&nbsp;</P><P>Now I am testing a card with Skelake i9-7980XE CPU. I would like to check does this CPU have similar register to set the IIO_LLC_WAYS register? Is there any tool in Linux to do this?&nbsp;</P><P>It is very impracrtical to request motherboard vendor to modify this in the BIOS. it will be great if we can modify this in the Linux.&nbsp;</P><P>Any suggestions are appreciated!&nbsp;</P><P>Thank you.&nbsp;</P><P>Mei Guodong</P><P>Singapore</P><P>&nbsp;</P> Mon, 28 Jan 2019 14:11:01 GMT https://community.intel.com/t5/Software-Tuning-Performance/How-to-program-IIO-LLC-WAYS-in-Skeylate-CPU/m-p/1141823#M6648 gmei2 2019-01-28T14:11:01Z