Julie188 writes: "You've likely heard of Microsoft's next-gen operating system projects Midori and Singularity, but earlier this month researchers released a prototye for another OS, code-named Barrelfish. Barrelfish is an OS written specifically for multicore environments. It hopes to improve the performance of boxes with such chips by creating a network bus, if you will, between cores. Today such systems tend to share resources like memory. As demand increases, performance of the box decreases as shared resources don't scale well. Barrelfish instead passes messages between cores on its bus, and reportedly uses a database-like approach to keep track of the hardware available."
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