Performance of Accelerators

Overview

Questions

• What are accelerators?
• How do they affect my jobs performance?
• How can I measure accelerator utilization?

Objectives

After completing this episode, participants should be able to …

• Understand difference of performance measurements on accelerators (GPUs, FPGAs) to CPUs.
• Understand how batch systems and performance measurements tools treat accelerators.

Introduction

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Run the same example workload on GPU and compare.

Summary

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Leading question: Performance optimization is a deep topic and we are not done learning. How could I continue exploring the topic?

Key Points

• Tools to measure GPU/FPGA performance of a job
• Common symptoms of GPU/FPGA problems