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CS 179 Lecture 13 CS 179 Lecture 13

CS 179 Lecture 13 - PowerPoint Presentation

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Uploaded On 2017-05-29

CS 179 Lecture 13 - PPT Presentation

HostDevice Data Transfer 1 Moving data is slow So far weve only considered performance when the data is already on the GPU This neglects the slowest part of GPU programming getting data on and off of GPU ID: 553807

gpu memory data host memory gpu host data kernel virtual cpu pinned copy gpuerrchk time physical cudamemcpy address amp

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