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Performance Tuning with the Roofline Model on GPUs and CPUs: Part 2
Event Type
Accelerators, FPGA, and GPUs
Heterogeneous Systems
Requirements, Performance, and Benchmarks
Performance/Productivity Measurement and Evaluation
Scalable Computing
Registration Categories
TimeTuesday, 10 November 202010am - 2pm EDT
LocationTrack 6
DescriptionThe Roofline performance model offers an insightful and intuitive method for extracting the key execution characteristics of HPC applications and comparing them against the performance ­bounds of modern CPUs and GPUs. Its ability to abstract the complexity of memory hierarchies and identify the most profitable optimization techniques have made Roofline­-based analysis increasingly popular in the HPC community. The tutorial will introduce the fundamental aspects behind different Roofline modeling principles as well as providing several practical use­ case scenarios that highlight their efficacy for application optimization on CPUs and GPUs. This tutorial presents a unique combination of instruction to Roofline, hands-on instruction in using Roofline within Intel and NVIDIA production performance tools by Intel and NVIDIA staff, and discussions of real-world Roofline use cases at ALCF, NERSC and INESC computing centers. The tutorial presenters have a long history of collaborating on the Roofline model and have presented several Roofline-­based tutorials.
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