The Linux Journal looks at SGI's new Linux-based supercomputer - from the point of view of one of the engineers involved in its creation. "We used the following patches from these projects: CPU scheduler, Big Kernel Lock usage reduction improvements, dcache_lock-usage reduction improvements based on the Read-Copy-Update spinlock paradigm and xtime_lock (gettimeofday) usage reduction improvements based on the FRlock locking paradigm.

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