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From Jon Allen <ramanu...@gmail.com>
Subject Scalability results for GoldenOrb and comparison with Giraph
Date Sat, 10 Dec 2011 23:16:56 GMT
```Since GoldenOrb was released this past summer, a number of people have asked questions regarding
scalability and performance testing, as well as a comparison of these results with those of
Giraph ( http://incubator.apache.org/giraph/ ), so I went forward with running tests to help

A full report of the scalability testing results, along with methodology details, relevant
information regarding testing and analysis, links to data points for Pregel and Giraph, scalability
testing references, and background mathematics, can be found here:

http://wwwrel.ph.utexas.edu/Members/jon/golden_orb/

Since this data will also be of interest to the Giraph community (for methodology, background
references, and analysis reasons), I am cross posting to the Giraph user mailing list.

A synopsis of the scalability results for GoldenOrb, and comparison data points for Giraph
and Google's Pregel framework are provided below.

The setup and execution of GoldenOrb scalability tests were conducted by three former Ravel
(http://www.raveldata.com ) developers, including myself, with extensive knowledge of the
GoldenOrb code base and optimal system configurations, ensuring the most optimal settings
were used for scalability testing.

RESULTS SUMMARY:

MAX CAPACITY:

Pregel (at least): 166,666,667 vertices per node.

Giraph (at least): 1,666,667 vertices per worker.

GoldenOrb: ~ 100,000 vertices per node, 33,333 vertices per worker.

STRONG SCALING (SSSP):
Note: Optimal parallelization corresponds to the minimum value -1.0. Deviation from the minimum
possible value of -1.0 corresponds to non-optimal parallelization.

Pregel: -0.924 (1 billion total vertices)

Giraph: -0.934 (250 Million total vertices)

GoldenOrb: -0.031 Average, -0.631 Best (100000 total vertices), 0.020 Worst (1000 total vertices)

WEAK SCALING (SSSP):
Note: Optimal weak scalability corresponds to the value 0.0. Deviation from the optimal value
of 0.0, corresponds to non-optimal usage of computational resources as managed by the framework.

Pregel: No Data Available

Giraph: 0.01 (1,666,667 vertices per worker)

GoldenOrb: 0.37 Average, 0.23 Best (500 vertices per node), 0.48 Worst (12500 vertices per
node)

I hope this answers some of the many questions which have been posted regarding scalability
and performance. Be sure to check out the full scalability testing report at http://wwwrel.ph.utexas.edu/Members/jon/golden_orb/
Please let me know if you have any questions.

Thanks,
Jon
```
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