Vampir

Teams from St. Jude, Duke, Georgia Tech were among the many teams at the recent OLCF GPU Hackathon held last month.
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A team at the Oak Ridge Leadership Computing Facility recently addressed a performance bottleneck in one portion of an OLCF user’s application. Because of its efforts, the user’s team saw a sixfold performance improvement in the code.
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Using Vampir, a team of researchers has analyzed a running application in detail as it executed on all 220,000 CPU processors of Titan’s predecessor, Jaguar.
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