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2018 GTC San Jose
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S8190 - Performance Optimization for Scientific Applications

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Session Description

We'll take you on a journey through enabling applications for GPUs; interoperability of different languages (including Fortran, OpenACC, C, and CUDA); CUDA library interfacing; data management, movement, and layout tuning; kernel optimization; tool usage; multi-GPU data transfer; and performance modeling. We'll show how careful optimizations can have a dramatic effect and push application performance towards the maximum possible on the hardware. We'll describe tuning of multi-GPU communications, including efficient exploitation of high-bandwidth NVLink hardware. The applications used in this study are from the domain of numerical weather prediction, and also feature in the ESCAPE European collaborative project, but we'll present widely relevant techniques in a generic and easily transferable way.


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Climate/Weather/Ocean Modeling, Performance Optimization
Government / National Labs, Higher Education / Research
All technical
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50 minutes
Session Schedule
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