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AMD Demos Fusion APUs in Berlin

In the HPC world, we tend to pay attention to the hottest server chips as they hit the market. But as I’m learning from the Exascale Report, much lower chip power requirements are needed for the industry to reach the next computing milestone of sustained Exaflops. This week AMD’s John...

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EXT4 and Btrfs Regressions In Linux 2.6.36

Recently when benchmarking the Btrfs and EXT4 file-systems we were left surprised that the performance of the next-generation Btrfs file-system had regressed against EXT4 to the point where the evolutionary file-system is measurably faster in a greater number of disk benchmarks. In fact, even with solid-state drives and Btrfs offering...

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GPU vs. CPU is a Win-Win

Peter Varhol has a nice piece on GPU vs. CPU computing in Desktop Engineering this week. Not surprisingly, he concludes that you need both when time is on the line: An ideal configuration is one with one or more CPUs and a set of GPUs that use CUDA or similar parallel computation architecture. All...

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IBM ships 5.2GHz chip, its fastest yet

A chip in IBM's new zEnterprise System clocks in at 5.2GHz. The fastest IBM microprocessor to date is targeted at mainframes. It packs in four cores, plus a respectable helping of DRAM.

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Advances Offer Path to Shrink Computer Chips

Researchers say they can overcome a barrier to the continued rapid miniaturization of computer memory.

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