X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/book_gpu.git/blobdiff_plain/11f93a2e8880680f6b192298e5ce0697d2596a31..0d39f3bfb1736ae41805f75a779e0bb01f4f5139:/BookGPU/Chapters/chapter6/PartieSync.tex?ds=sidebyside diff --git a/BookGPU/Chapters/chapter6/PartieSync.tex b/BookGPU/Chapters/chapter6/PartieSync.tex index bc08557..d8d281c 100755 --- a/BookGPU/Chapters/chapter6/PartieSync.tex +++ b/BookGPU/Chapters/chapter6/PartieSync.tex @@ -210,7 +210,7 @@ achieved serially and not overlapped. When CPU/GPU data transfers are not negligible compared to GPU computations, it can be interesting to overlap internode CPU computations with a \emph{GPU - sequence}\index{GPU sequence} including CPU/GPU data transfers and GPU computations (see + sequence}\index{GPU!sequence} including CPU/GPU data transfers and GPU computations (see \Fig{fig:ch6p1overlapseqsequence}). Algorithmic issues of this approach are basic, but their implementation requires explicit CPU multithreading and synchronization, and CPU data buffer duplication. We need to implement two @@ -367,7 +367,7 @@ of the code. \Lst{algo:ch6p1overlapstreamsequence} introduces the generic MPI+OpenMP+CUDA code, explicitly overlapping MPI communications with -streamed GPU sequences\index{GPU sequence!streamed}. +streamed GPU sequences\index{GPU!streamed sequence}. %\begin{algorithm} % \caption{Generic scheme explicitly overlapping MPI communications with streamed sequences of CUDA