Dell PowerEdge 1655MC - Manual (Page 3)

Optimal BIOS settings for HPC with Dell PowerEdge 12 th generation servers
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Contents
Executive summary ..................................................................................................... 5
1. Introduction ....................................................................................................... 6
2. Dell PowerEdge 12 th generation servers and Intel Sandy Bridge-EP architecture ..................... 6
2.1. Intel SandyBridge architecture .......................................................................... 7
3. Overview of BIOS options ....................................................................................... 9
3.1. System Profile .............................................................................................. 9
3.2. Turbo Boost ............................................................................................... 12
3.3. Node interleaving ........................................................................................ 12
3.4. Logical Processor ......................................................................................... 13
3.5. BIOS options specific to latency sensitive applications ........................................... 13
4. Test bed and applications .................................................................................... 14
5. Results and analysis ............................................................................................ 15
5.1. Idle power ................................................................................................. 16
5.2. System Profile ............................................................................................ 17
5.3. Turbo Boost ............................................................................................... 19
5.4. Node Interleaving ........................................................................................ 20
5.5. Logical Processor ......................................................................................... 21
5.6. C States, C1E on remote memory access ............................................................ 22
6. Comparison to Dell PowerEdge 11 th generation servers ................................................. 23
7. Conclusion ....................................................................................................... 26
8. References ....................................................................................................... 28
Appendix A – Summary of findings ................................................................................. 29
Appendix B – Dell Deployment Toolkit to modify BIOS options from the command line ................. 31
Tables
Table 1. Dell PowerEdge 12 th generation server models ....................................................... 7
Table 2. Intel Sandy Bridge-based servers ........................................................................ 9
Table 3. System Profile options .................................................................................. 10
Table 4. Test bed details .......................................................................................... 14
Table 5. Benchmark and application details ................................................................... 15
Table 6. 11 th and 12 th generation cluster test bed details ................................................... 24
Table 7. Recommended BIOS setting ............................................................................ 26
Table 8. DTK syscfg options for changing BIOS settings ...................................................... 31