Altos-Platform-Settings-v1.1-revB

DCU Streamer Prefetcher

Allows users to configure the overall power and performance policy for the system, which adjusts a predefined set of options accordingly.

The default setting of this option is "Enable".

Power Performance Tuning

Allows the OS or BIOS to control the system's Energy Performance Bias setting.

The default setting of this option is "OS Controls EPB".

[OS Controls EPB] The Energy Performance Bias setting is controlled by the OS.

[BIOS Controls EPB] The Energy Performance Bias setting is controlled by the BIOS.

SNC (Sub-NUMA Cluster)

Divides the LLC into multiple clusters based on address ranges to improve data locality and reduce average LLC access latency.

The default setting of this option is "AUTO".

[AUTO] Automatically selects the setting based on the silicon's preferred value.

[Enable SNC2 (2-clusters)] SNC2 divides the CPU socket into two clusters, creating two NUMA domains per socket.

[Disable] Disable Sub-NUMA Cluster.

LLC Dead Line Alloc

Controls whether dead lines evicted from the MLC can be allocated into the LLC when free space is available.

The default setting of this option is "Enable".

Patrol Scrub

Controls whether the system proactively scans memory to detect and repair correctable errors.

The default setting of this option is "Enable".

drop_caches

Writing 3 to this setting causes the Linux kernel to drop clean page cache and reclaimable slab objects such as dentries and inodes. The reclaimed memory becomes available for reuse. Set through "sysctl -w vm.drop_caches=3" to free page cache and reclaimable slab objects.

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