A Study of Thread Level Parallelism on Mobile Devices

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Provided by: Institute of Electrical & Electronic Engineers
Topic: Hardware
Format: PDF
Mobile devices continue to increase the number of cores in an attempt to meet the needs of performance-demanding applications. However, the increasing number of cores does not necessarily translate into performance gain and/or power reduction. In this paper, the authors investigate how multi-core mobile devices are utilized by applications. Their results demonstrate that mobile applications are utilizing less than 2 cores on average, which shows that multi-cores are generally underutilized by today's mobile applications. Unless application developers can significantly improve core utilization, further increasing core counts will result in little gain.
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