Category Archives: News

The Journey Ends Here

Hi all! It’s been several exciting years, but things do change, life goes on, and I work in a different field now. This website will remain online in the hope it will be useful, but comments will be disabled, and … Continue reading

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Cluster Design Tools ver. 0.8.5 — Final!

The final version of the Cluster Design Tools, ver. 0.8.5, was released in June 2015 and was made available for download. The changes are mostly about letting the software suite run with newer Python versions — 3.4.2 and higher. This … Continue reading

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Cluster Design Tools Updated (ver. 0.8.4), SADDLE Included

The recent release of Cluster Design Tools, version 0.8.4, is different from previous releases. First, it now incorporates SADDLE, a Python-based scripting language for automated design of cluster supercomputers and data centres, which was announced earlier. Second, it now includes … Continue reading

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SADDLE Presented at the ISC’14 Conference in Leipzig

SADDLE,  the CAD tool for cluster supercomputer and data centre design, has just been presented at the ISC’14 conference in Leipzig, Germany. SADDLE can help you choose the best hardware by analysing its price/performance ratio, and then it will design … Continue reading

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Building Fat-Tree Networks with Ethernet Hardware

Fat-tree networks work very well with InfiniBand hardware. At the same time, a fat-tree built with Ethernet switches may not always work: this is because switches must be able to discover multiple paths in a topology and balance traffic among … Continue reading

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648-Port InfiniBand FDR Switches Added to the Database

It’s Christmas time… Just a few hours, and year 2013 will become a thing of the past. Gone with it will also be the outdated InfiniBand QDR hardware that was — until today — used in the fat-tree design tool. … Continue reading

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Floorplanning: Finding a Place for Your Racks

If you are designing a supercomputer or a data centre and know the number of racks that you need to place on the floor, you can easily calculate the required floor space using the new floor planning module that is … Continue reading

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Cluster Design Tools (ver. 0.8.2) Now Includes Support for Operating Expense Calculation

With the new version of the Cluster Design Tools, you can now easily specify parameters that influence operating expense of your machine. Here is how it works: before pressing the “Design” button, visit the “Settings” tab and set appropriate values … Continue reading

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Many-core and InfiniBand: Making Your Own CPUs Gives You Independence

The headline sounds like the obvious thing: of course, if you can make your own CPUs for your projects, then you don’t have to rely on CPU manufacturers. “But wait”, you would ask, “Aren’t CPU design and manufacture very expensive?” … Continue reading

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Fat-tree and Torus Articles Now Available at arXiv.org

In case you wanted something more than an informal introduction into the world of fat-tree and torus networks — here you are. A formal problem statement (and solution!) in an academic form is given in these two articles hosted at … Continue reading

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