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My Name is Brian and I Build Supercomputers in My Spare Time

Brian Guarraci is a software engineer at Twitter and in his spare time he’s building a Parallella cluster with a design that was inspired by two of the most iconic supercomputers ever made.

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The World's Fastest Supercomputer Runs On Ubuntu and OpenStack

If you look at the guts of some of the world's fastest supercomputers, you might be surprised at how much open source technology you find. Linux has long powered many significant supercomputers, and the Ubuntu Insights blog recently noted that China's Tianhe-2, the world's fastest supercomputer, runs both Ubuntu and OpenStack. 

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New A3CUBE Card Delivers PCIe over Standard Optical Cable

Today A3CUBE introduced the RONNIEE 2S Network Interface Card. Capable of transmitting four PCIe signals at 20Gb/s on standard Active Optical Cables, the device offers improved scalability and power efficiency over conventional solutions.

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Alya Multi-Physics Scaled to 100,000 Cores on Blue Waters Supercomputer

The Barcelona Supercomputing Center (BSC) and the Private Sector Program at NCSA have collaborated to scale BSC’s Alya multi-physics code to a previously unprecedented 100,000 cores of NCSA’s Blue Waters supercomputer, simulating complex engineering problems such as airflow in the human body, contraction of the heart, and combustion in a...

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Five Essential Strategies for Successful HPC Clusters

Currently, there are many trends in HPC clustering that include software complexity, cluster growth and scalability, system heterogeneity, Cloud computing, as well as the introduction of Hadoop services. Without a cogent strategy to address these issues, system managers and administrators can expect less-than-ideal performance and utilization. There are many component...

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