November 2018
Intermediate to advanced
310 pages
7h 54m
English
Content preview from Hands-On GPU Programming with Python and CUDA
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Summary
We started this chapter by learning about device synchronization and the importance of synchronization of operations on the GPU from the host; this allows dependent operations to allow antecedent operations to finish before proceeding. This concept has been hidden from us, as PyCUDA has been handling synchronization for us automatically up to this point. We then learned about CUDA streams, which allow for independent sequences of operations to execute on the GPU simultaneously without synchronizing across the entire GPU, which can give us a big performance boost; we then learned about CUDA events, which allow us to time individual CUDA kernels within a given stream, and to determine if a particular operation in a stream has occurred. ...
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