From 735506fabeefcd3368e94164beedd2045906801d Mon Sep 17 00:00:00 2001 From: Arnaud Giersch Date: Fri, 11 Apr 2014 09:54:30 +0200 Subject: [PATCH 1/1] Right quotes (") are wrong. Use \emph instead. --- hpcc.tex | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/hpcc.tex b/hpcc.tex index 2e791d7..c97d2bb 100644 --- a/hpcc.tex +++ b/hpcc.tex @@ -71,13 +71,13 @@ iterations ($X_{n +1} = f(X_{n})$) from an initial value $X_{0}$ to find an approximate value $X^*$ of the solution with a very low residual error. Several well-known methods demonstrate the convergence of these algorithms. Generally, to reduce the complexity and the -execution time, the problem is divided into several "pieces" that will +execution time, the problem is divided into several \emph{pieces} that will be solved in parallel on multiple processing units. The latter will communicate each intermediate results before a new iteration starts until the approximate solution is reached. These distributed parallel -computations can be performed either in "synchronous" communication mode +computations can be performed either in \emph{synchronous} communication mode where a new iteration begin only when all nodes communications are -completed, either "asynchronous" mode where processors can continue +completed, either \emph{asynchronous} mode where processors can continue independently without or few synchronization points. Despite the effectiveness of iterative approach, a major drawback of the method is the requirement of huge resources in terms of computing capacity, @@ -224,7 +224,7 @@ A priori, obtaining a speedup less than 1 would be difficult in a local area network configuration where the synchronous mode will take advantage on the rapid exchange of information on such high-speed links. Thus, the methodology adopted was to launch the application on clustered network. In this last configuration, -degrading the inter-cluster network performance will "penalize" the synchronous +degrading the inter-cluster network performance will \emph{penalize} the synchronous mode allowing to get a speedup lower than 1. This action simulates the case of clusters linked with long distance network like Internet. -- 2.39.5