This week the Argonne Leadership Computing Facility (ALCF), located at the DOE's Argonne National Laboratory, hit the 2 billion processor-hour mark. Its speed? Five hundred fifty seven trillion calculations a second or more than 150,000 times as fast as a top of the line PC.
A processor-hour represents a single processor running for one hour. In May, researchers from SUNY at Stony Brook were studying computational fluid dynamics when the ALCF reached the 2 billion mark.
ALCF is used for complex tasks such as assessing climate change and designing aerodynamic surfaces.

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