From: peterrum Date: Mon, 11 May 2020 12:41:13 +0000 (+0200) Subject: Fix some typos X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1d7c1bdb0cd21a926e1913ff74e542ff75f01a23;p=release-papers.git Fix some typos --- diff --git a/9.2/paper.tex b/9.2/paper.tex index 4e36450..aa6080b 100644 --- a/9.2/paper.tex +++ b/9.2/paper.tex @@ -310,7 +310,7 @@ in the file that lists all changes for this release}, see \cite{changes91}. Large-scale simulations with 304,128 cores have revealed bottlenecks in release 9.1 during initialization due to the usage of expensive collective operations like \texttt{MPI\_Allgather()} and \texttt{MPI\_\allowbreak Alltoall()}, e.g., during the -pre-computationof the index ranges of all processes, which have been stored in an array. +pre-computation of the index ranges of all processes, which have been stored in an array. This information is needed to set up the \texttt{Utilities::MPI::Par\-ti\-ti\-oner} class. In release 9.2, we have removed such arrays and have replaced @@ -332,7 +332,7 @@ which uses only point-to-point communications and a single \texttt{MPI\_IBarrier %The class \texttt{ConsensusAlgorithms::Selector} selects one of the two previous %algorithms, depending on the number of processes. -Users can use the new algorithms for their own dynamic-sparse problems by +Users can apply the new algorithms for their own dynamic-sparse problems by providing a list of target processes and pack/unpack routines either by implementing the interface \texttt{CA::\allowbreak Process} or by providing \texttt{std::function} @@ -361,11 +361,11 @@ all processes and the actual mesh used for computations is constructed by repeat refinement. However, this has its limitations in industrial applications where, often, the mesh comes from an external mesh generator in the form of a file that already contains millions or tens of millions of cells. For such configurations, applications might already -run out of main memory while reading the complete mesh by each MPI process. +run out of main memory, while reading the complete mesh by each MPI process. The new class \texttt{parallel::fullydistributed::Triangulation} targets this issue by distributing also the coarse grid. Such -a triangulation can be created by providing a \texttt{Triangulation\-De\-scrip\-tion::Description} struct to each process, containing +a triangulation can be created by providing to each process a \texttt{Triangulation\-De\-scrip\-tion::Description} struct, containing 1) the relevant data to construct the local part of the coarse grid, 2) the translation of the local coarse-cell IDs to globally unique IDs, 3) the hierarchy of mesh refinements, and 4) the owner of the cells on the active mesh level as well @@ -387,7 +387,7 @@ changes to the mesh are allowed at the moment. %ready. A sensible process group size might contain all processes of one compute node. -The new (fully) distributed triangulation class works---in contrast to +The new fully distributed triangulation class works---in contrast to \texttt{parallel::distributed::\allowbreak Tri\-an\-gu\-la\-tion}---not only for 2D- and 3D- but also for 1D-problems. It can be used in the context of geometric multigrid methods and supports periodic boundary conditions. Furthermore, hanging nodes are supported. @@ -422,12 +422,12 @@ The length of the vector can now be queried by \texttt{VectorizedArray::size() Furthermore, the \texttt{VectorizedArray} class supports range-based iterations over its entries and, i.a., the following algorithms: \texttt{std::\allowbreak ad\-vance()}, \texttt{std::distance()}, and \texttt{std::max\_element()}. -It has been also extended with the second optional template argument +This class has been also extended with the second optional template argument \texttt{VectorizedArray} with \texttt{size} being related to the vector length, i.e., the number of lanes to be used and the instruction set to be used. By default, the number is set to the highest value supported by the given hardware. A full list of supported -vector lengths are presented in Table~\ref{tab:vectorizedarray}. +vector lengths is presented in Table~\ref{tab:vectorizedarray}. All matrix-free related classes (like \texttt{MatrixFree} and \texttt{FEEvaluation}) have been templated with the floating-point number type \texttt{Number} (e.g. \texttt{double} or \texttt{float}); the computations were performed implicitly