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Update 2018-11-12-comparison.md
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mohammadidinani authored Dec 10, 2018
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A comparison of the speedup ratios for all cloud vendors described above are presented. As it can be seen, Oracle and Microsoft Azure have better speedup ratios because of the low latency interconnect network that facilitates efficient scaling.

<img src="/images/benchmarks-new/benchmarks/ol-benchmarks-speedup-ratio.png">
<img src="/images-new/benchmarks/ol-benchmarks-speedup-ratio.png">

#### Performance Per Core

The following figure shows a comparative plot of the performance per core in giga-FLOPS (GFLOPS) for the previously described scenarios. Oracle and Microsoft Azure outperform AWS because of faster processors and the low latency interconnect network.

<img src="/images/benchmarks-new/benchmarks/ol-benchmarks-performance-per-core.png">
<img src="/images-new/benchmarks/ol-benchmarks-performance-per-core.png">

### VASP

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##### Outcomes

<img src="/images/benchmarks-new/benchmarks/ol-benchmarks-vasp-elb-speedup.png" />
<img src="/images-new/benchmarks/ol-benchmarks-vasp-elb-speedup.png" />

#### Parallelization Over KPOINTS

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##### Outcomes

<img src="/images/benchmarks-new/benchmarks/ol-benchmarks-vasp-kpt-speedup.png" />
<img src="/images-new/benchmarks/ol-benchmarks-vasp-kpt-speedup.png" />

### Network Benchmarks

The following shows the result of Intel MPI Benchmarks running on Amazon Web Services C5 instances, Azure H-series VMs and Oracle hardware. As it can be seen Oracle interconnect network is faster and has the lowest latency.

#### Latency

<img src="/images/benchmarks-new/benchmarks/ol-benchmarks-latency.png" />
<img src="/images-new/benchmarks/ol-benchmarks-latency.png" />

#### Bandwidth

<img src="/images/benchmarks-new/benchmarks/ol-benchmarks-bandwidth.png" />
<img src="/images-new/benchmarks/ol-benchmarks-bandwidth.png" />


### GROMACS
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The visual below demonstrates the model studied - a box with 418,402 total atoms. Input files are available upon request.

<img src="/images/benchmarks-new/benchmarks/ol-benchmarks-gromacs-model.png" />
<img src="/images-new/benchmarks/ol-benchmarks-gromacs-model.png" />

##### Results

<img src="/images/benchmarks-new/benchmarks/ol-benchmarks-gromacs-speedup.png" />
<img src="/images-new/benchmarks/ol-benchmarks-gromacs-speedup.png" />


## Conclusion
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