Intel S1200RP Service Guide - Page 91

MLC Spatial Prefetcher is normally

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Server Utilities 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: The next cache line will be prefetched into L1 instruction 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. Comments: DCU Data Prefetcher is normally Enabled, for best efficiency in L1 Instruction 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] 27. Intel (SMX) Safter Mode Extensions Intel® Server System R1000RP Service Guide 79

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Server Utilities
Intel
®
Server System R1000RP Service Guide
79
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:
The next cache line will be prefetched into L1 instruction 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.
Comments:
DCU Data Prefetcher is normally
Enabled
, for best efficiency in L1
Instruction 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
]
27.
Intel (SMX) Safter Mode Extensions