Intel S1200RP Service Guide - Page 83

DCU Data Prefetcher is normally

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Server Utilities Comments: Enhanced Error Containment (Data Poisoning) is not supported by all models of processors, and this option will not appear unless all installed processors support Enhanced Error Containment. This option globally enables or disables both Core and Uncore Data Poisoning, for processors which support them. Back to [Advanced Screen] - [Screen Map] 23. MLC Streamer Option Values: Enabled Disabled Help Text: MLC Streamer is a speculative prefetch unit within the processor(s). Note: Modifying this setting may affect performance. Comments: MLC Streamer is normally Enabled, for best efficiency in L2 Cache and Memory Channel use but disabling it may improve performance for some processing loads and on certain benchmarks. Back to [Advanced Screen] - [Screen Map] 24. MLC Spatial Prefetcher Option Values: Enabled Disabled Help Text: [Enabled] - Fetches adjacent cache line (128 bytes) when required data is not currently in cache. [Disabled] - Only fetches cache line with data required by the processor (64 bytes). Comments: MLC Spatial Prefetcher is normally Enabled, for best efficiency in L2 Cache and Memory Channel use but disabling it may improve performance for some processing loads and on certain benchmarks. Back to [Advanced Screen] - [Screen Map] 25. DCU Data Prefetcher Option Values: Enabled Disabled Help Text: The next cache line will be prefetched into L1 data cache from L2 or system memory during unused cycles if it sees that the processor core has accessed several bytes sequentially in a cache line as data. [Disabled] - Only fetches cache line with data required by the processor (64 bytes). Comments: DCU Data Prefetcher is normally Enabled, for best efficiency in L1 Data Cache and Memory Channel use but disabling it may improve performance for some processing loads and on certain benchmarks. Back to [Advanced Screen] - [Screen Map] 26. DCU Instruction Prefetcher Option Values: Enabled Disabled Help Text: 70 Intel® Server System P4000RP Family Service Guide

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Server Utilities
70
Intel
®
Server System P4000RP Family Service Guide
Comments:
Enhanced Error Containment (Data Poisoning) is not supported by all
models of processors, and this option will not appear unless all installed processors support
Enhanced Error Containment. This option globally enables or disables both Core and Uncore Data
Poisoning, for processors which support them.
Back to [
Advanced Screen
]
—
[
Screen Map
]
23.
MLC Streamer
Option Values:
Enabled
Disabled
Help Text:
MLC Streamer is a speculative prefetch unit within the processor(s).
Note:
Modifying this setting may affect performance.
Comments:
MLC Streamer is normally
Enabled
, for best efficiency in L2 Cache and
Memory Channel use but disabling it may improve performance for some processing loads and on
certain benchmarks.
Back to [
Advanced Screen
]
—
[
Screen Map
]
24.
MLC Spatial Prefetcher
Option Values:
Enabled
Disabled
Help Text:
[Enabled]
–
Fetches adjacent cache line (128 bytes) when required data is not currently in cache.
[Disabled]
–
Only fetches cache line with data required by the processor (64 bytes).
Comments:
MLC Spatial Prefetcher is normally
Enabled
, for best efficiency in L2
Cache and Memory Channel use but disabling it may improve performance for some processing
loads and on certain benchmarks.
Back to [
Advanced Screen
]
—
[
Screen Map
]
25.
DCU Data Prefetcher
Option Values:
Enabled
Disabled
Help Text:
The next cache line will be prefetched into L1 data cache from L2 or system memory during unused
cycles if it sees that the processor core has accessed several bytes sequentially in a cache line as
data.
[Disabled]
–
Only fetches cache line with data required by the processor (64 bytes).
Comments:
DCU Data Prefetcher is normally
Enabled
, for best efficiency in L1
Data Cache and Memory Channel use but disabling it may improve performance for some
processing loads and on certain benchmarks.
Back to [
Advanced Screen
]
—
[
Screen Map
]
26.
DCU Instruction Prefetcher
Option Values:
Enabled
Disabled
Help Text: