Supercomputers love Linux
Everybody knows Linux as an open-source operating system - available today for many different hardware architectures - which has become the de facto alternative to the Redmond’s product, especially in the servers segment. Linux versus Windows, Windows versus Linux: this diatribe on which of the two is the best solution has been literally filling most of the computer forums and computer magazines. We are not going to add some fire on that already “hot” discussion, but rather analyze some real facts and take the appropriate conclusions.
First of all, we are talking about supercomputers, those machines with very high performance level used in many research laboratories, universities, military sites and govern agencies. Supercomputers are also called as HPC, acronym for High Performance Computer, and have always been characterized by being able to execute a huge number of floating point operations in a second. There are many applications where supercomputers are used: weather forecast, simulation of nuclear reactions (and also simulation of nuclear weapons), cryptography, molecular and biological modeling and simulation, aerodynamics (used both for automotive and avionics applications), market researches, and so on. HPCs are very common today and their costs have become affordable for many, mainly due to the fact they are built using off-the-shelf hardware: instead of designing custom chips (expensive and not easily reusable), HPCs are today created using top-level processors, such as the AMD Opteron 64-bit or the Cell Broadband Engine.
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