Workload Profile Dependencies for Intel® Xeon® Scalable Processors
Options vary based on hardware installed on the server.
| 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 |
| 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) |