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soumya-pn
Beginner
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Memory mode of intel pmem

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Hi,

Is there a way to disable dram as cache in memory mode so that I can collect performance numbers for pmem.?I want to use only pmem for memory operations to collect some performance numbers in memory mode. Please help. 

Thanks,

Soumya.

 

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SteveScargall
Employee
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@soumya-pn You cannot disable the DRAM cache when the host is configured in Memory Mode. If you want to test the performance of PMem independent from DRAM, you'll need to configure the host in AppDirect. The Quick Start Guide is useful for you to learn the differences between Memory Mode and App Direct, and how to switch between them. There's more detailed information and user guides on https://docs.pmem.io/persistent-memory/ and  https://software.intel.com/content/www/us/en/develop/topics/persistent-memory.html. You can watch the Provisioning Persistent Memory in Linux video which covers most of the info you need. 

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AdrianM_Intel
Moderator
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Hello soumya-pn,


Thank you for posting on the Intel® communities.


Please allow me some time to check into your question and get back to you.


Regards,


Adrian M.

Intel Customer Support Technician



SteveScargall
Employee
37 Views

@soumya-pn You cannot disable the DRAM cache when the host is configured in Memory Mode. If you want to test the performance of PMem independent from DRAM, you'll need to configure the host in AppDirect. The Quick Start Guide is useful for you to learn the differences between Memory Mode and App Direct, and how to switch between them. There's more detailed information and user guides on https://docs.pmem.io/persistent-memory/ and  https://software.intel.com/content/www/us/en/develop/topics/persistent-memory.html. You can watch the Provisioning Persistent Memory in Linux video which covers most of the info you need. 

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