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Benchmarking Tests on VMs

Benchmarking Tests on VMs. Qiulan Huang 26/11/2010. Benchmarking. CPU benchmarks: HEPSPEC06 I/O benchmarks: IOZONE Network benchmarks: IPERF ~7% CPU performance improved with optimization of KVMs modprobe kvm-intel enable_ept =0 A bit optimistic 

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Benchmarking Tests on VMs

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  1. Benchmarking Tests on VMs Qiulan Huang 26/11/2010

  2. Benchmarking • CPU benchmarks: HEPSPEC06 • I/O benchmarks: IOZONE • Network benchmarks: IPERF • ~7% CPU performance improved with optimization of KVMs • modprobekvm-intelenable_ept=0 • A bit optimistic  • Still needs to further investigation and tunning

  3. CPU benchmarks(1) • Unpinned CPU without disable ept

  4. CPU benchmarks(1) • Pinned CPU without disable ept

  5. Comparison(1) • Comparison between Pinned and UnPinned without disable ept option • Better performance under Pinned

  6. CPU benchmarks(2) • Unpinned CPU with disable ept

  7. CPU benchmarks(2) • Pinned CPU with disable ept

  8. Comparison(2) • Comparison between Pinned and UnPinned with disable ept option • Better performance with Pinned

  9. Comparison(3)

  10. Summary • Better performance with Pinning than Unpinning • CPU performance improved 6%~8% by optimizing KVMs with disable ept option • With the Pinning and optimization of the KVMs the CPU performance penalty is about 3%

  11. Question?

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