09 November 2012

Super Computing with Linux

Why computing with Linux is so SUPER!


On this blog I already blogged about IBM and why they invested heavily in open source software like RedHat and SUSE Enterprise Linux and that they are responsible for a lot of SAP and other implementations (70% SAP). But that is not the only thing Linux is good at.













Linux accounts for as much as 94.2% share as Supercomputer OS! This might come to you as a pleasant surprise, but indeed, Linux outshines any other operating system when it comes to Linux. Investigation of the latest ranking released by Top500 (independent organization responsible for ranking supercomputers according to the LINPACK benchmark) yields some very interesting results. As it might be boring for you go through a detailed report, we have compiled the results in a handy info graph that shall give you a quick and intuitive insight to our findings.







  • All the top Ten Supercomputers use Linux OS. (Linux OS includes Cray Linux Environment and bullx SUperCOmputer Suit)
  • All the top Twenty Supercomputers use Linux OS. Two of which use Linux OS bullx SUperCOmputer Suit.
  • Out of top 50 Supercomputers 44 run on Linux OS while 6 use OS other than Linux. 3 of which use Unix while 3 use Mixed OS. The supercomputers which employ Mixed Operating system use CNK/SLES 9.
  • Out of Top 100 Supercomputers 7 operate on UNIX, 1 on Windows, 5 use mixed operating system. All the rest 87 Supercomputer use Linux.
  • The super computer that runs on Windows ranks 96th fastest supercomputer out of 100.
  • Out of supercomputers ranked from 100th to 150th, 5 employ non-Linux OS 3 of which are Unix, 1 BSD-based OS and 2 run on Mixed type of OS.
  • Out of Supercomputers ranked between 100th to 200th, 11 use Operating system other than Linux. Of which 1 is Windows OS. The Windows Supercomputer is ranked 157th among top 200 Supercomputers.
  • Out of Supercomputers ranked between 200th to 300 only 4 supercomputers use OS other than Linux, 3 employ Mixed while 1 employs UNIX.
  • Finally out of top 500 super computers , 462 run Linux, followed by Unix with 24 Supercomputers and 11 running Mixed 2 running on Windows. Finally there is only 1 BSD OS based supercomputer.
  • Supercomputers that run on Windows family OS both employ Windows HPC 2008 OS.


Having stated all the stats, we come to the conclusion that Linux despite being an open source software (allegedly having lack of support, lack of proper documentation etc.) has completely crushed proprietary OS when it comes to supercomputers

Of all these super Computers IBM does have a really big share as can be seen in this overview:





For more info please contact DBA Consulting at:


Drs. Albert Spijkers
DBA Consulting
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