Workload Profile Dependencies—Intel-based servers

NOTE:

Options vary based on hardware installed on the server.

Table 13: Workload Profiles General Power Efficient Compute—Low Latency
	General Power Efficient Compute	General Peak Frequency Compute	General Throughput Compute	Virtualization - Power Efficient	Virtualization - Max Performance	Low Latency
SR-IOV	X	X	X	Enabled	Enabled	Disabled
VT-D	X	X	X	Enabled	Enabled	Disabled
VT-x	X	X	X	Enabled	Enabled	Disabled
Power Regulator	Dynamic Power Savings	Static High Performance	Static High Performance	OS Control	Static High Performance	Static High Performance
Minimum Processor Idle Power Core C-state	C6	X	X	C6	No C-states	No C-states
Minimum Processor Idle Power Package C-state	Package C6 Retention	Package C6 Retention	Package C6 Retention	Package C6 Retention	No C-states	No C-states
Energy Performance Bias	Balanced Performance	X	Max Performance	Balanced Performance	Max Performance	Max Performance
Collaborative Power Control	Enabled	Disabled	Disabled	Enabled	Disabled	Disabled
Intel DMI Link Frequency	Auto	Auto	Auto	Auto	Auto	Auto
Intel Turbo Boost Technology	Enabled	Enabled	Enabled	X	Enabled	Disabled
Intel NIC DMA Channels (IOAT)	Enabled	X	X	X	X	X
HW Prefetcher	Enabled	Enabled	Enabled	X	X	Enabled
Adjacent Sector Prefetch	Enabled	Enabled	Enabled	X	X	Enabled
DCU Stream Prefetcher	Enabled	Enabled	Enabled	X	X	Enabled
DCU IP Prefetcher	Enabled	Enabled	Enabled	X	X	Enabled
NUMA Group Size Optimization	Flat	Clustered	Clustered	Clustered	Clustered	Clustered
Memory Patrol Scrubbing	X	X	X	X	X	Disabled
Memory Refresh Rate	X	1X	1X	X	X	1X
UPI Link Power Management	Enabled	Disabled	Disabled	Enabled	Disabled	Disabled
Sub-NUMA Clustering	Disabled	X	Enabled	Disable	Enabled	X
Energy-Efficient Turbo	Enabled	Disabled	Disabled	Enabled	Disabled	Disabled
Uncore Frequency Shifting	Auto	Max	X	Auto	Max	Max
x2APIC	X	X	X	X	X	Disabled
Channel Interleaving	Enabled	Enabled	Enabled	Enabled	Enabled	Enabled
Memory Bus Frequency	X	X	X	X	X	X
Advanced Memory Protection	X (ROM version earlier than 1.50) ADDDC (ROM version 1.50 and later)	X (ROM version earlier than 1.50) ADDDC (ROM version 1.50 and later)	X (ROM version earlier than 1.50) ADDDC (ROM version 1.50 and later)	X (ROM version earlier than 1.50) ADDDC (ROM version 1.50 and later)	X (ROM version earlier than 1.50) ADDDC (ROM version 1.50 and later)	ECC

Table 24: Workload Profiles Mission Critical—I/O Throughput
	Mission Critical	Transactional Application Processing	High Performance Compute (HPC)	Decision Support	Graphic Processing	I/O Throughput
SR-IOV	X	X	Disabled	X	Disabled	X
VT-D	X	X	Disabled	X	Disabled	X
VT-x	X	X	Disabled	X	Disabled	X
Power Regulator	X	Static High Performance	Static High Performance	X	X	X
Minimum Processor Idle Power Core C-state	X	No C-states	No C-states	X	X	X
Minimum Processor Idle Power Package C-state	X	No C-states	No C-states	X	X	X
Energy Performance Bias	X	Max Performance	Max Performance	X	Max Performance	Max Performance
Collaborative Power Control	X	X	Disabled	X	X	X
Intel DMI Link Frequency	Auto	Auto	Auto	Auto	Auto	Auto
Intel Turbo Boost Technology	X	Enabled	Enabled	X	X	X
Intel NIC DMA Channels (IOAT)	X	Enabled	Enabled	X	X	Enabled
HW Prefetcher	Enabled	Enabled	Enabled	Enabled	Enabled	Enabled
Adjacent Sector Prefetch	Enabled	Enabled	Enabled	Enabled	Enabled	Enabled
DCU Stream Prefetcher	Enabled	Enabled	Enabled	Enabled	Enabled	Enabled
DCU IP Prefetcher	Enabled	Enabled	Enabled	Enabled	Enabled	Enabled
NUMA Group Size Optimization	X	Clustered	Clustered	Clustered	Clustered	Clustered
Memory Patrol Scrubbing	X	X	X	X	X	X
Memory Refresh Rate	2X	X	1X	X	X	X
UPI Link Power Management	X	Disabled	Disabled	X	X	X
Sub-NUMA Clustering	X	X	X		X	X
Energy-Efficient Turbo	X	X	Disabled	X	X	X
Uncore Frequency Shifting	X	X	Max	X	Max	Max
x2APIC	X	X	Disabled	X	Disabled	X
Channel Interleaving	Enabled	Enabled	Enabled	Enabled	Enabled	Enabled
Memory Bus Frequency	X	X	X	X	X	X
Advanced Memory Protection	ADDDC	X (ROM version earlier than 1.50) ADDDC (ROM version 1.50 and later)	ECC (ROM version earlier than 1.50) ADDDC (ROM version 1.50 and later)	X (ROM version earlier than 1.50) ADDDC (ROM version 1.50 and later)	X (ROM version earlier than 1.50) ADDDC (ROM version 1.50 and later)	X (ROM version earlier than 1.50) ADDDC (ROM version 1.50 and later)