Jeff Brooks

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It seems that Linux is everywhere you look these days. Among enterprise, desktop, even wireless users, Linux's versatility and portability have rapidly made it the operating system of choice. At academic institutions in particular, Linux is quickly becoming the Lingua Franca through which researchers investigate and collaborate, and Linux-based clusters have become a prerequisite for many modern research environments. However, as use of Linux clusters becomes more widespread and the applications run on them become more complex, more and more researchers and engineers are running into a fundamental problem: As Linux is scaled to higher processor counts to support the most challenging HPC applications (such as those involving highly complex mathematical models, numerical methods, and scientific visualizations), the operating system faces stresses that it was never de... (more)