From: Bruno Turcksin Date: Tue, 4 Jun 2019 18:16:05 +0000 (-0400) Subject: Reply to Wolfgang's comment X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d41c60a15fb79c5829bb2def25ff7702d1529d3d;p=release-papers.git Reply to Wolfgang's comment --- diff --git a/9.1/paper.tex b/9.1/paper.tex index ec220c2..e2442d1 100644 --- a/9.1/paper.tex +++ b/9.1/paper.tex @@ -484,6 +484,9 @@ GPU support was significantly extended for the current release: refined meshes can be imposed within the matrix-free framework. The only restriction is that for two-dimensional meshes the finite element degree must be odd. \marginpar{Can we explain this restriction? It seems odd (pun intended)...} + \marginpar{BT: No, we cannot. I have spent at least two full weeks trying to + understand why it doesn't work, i.e., gives the wrong result, but I don't know. We decided at the time that + even with the current limitation this was a useful addition.} There is no such restriction in three dimensions. \item MPI matrix-free computations: using \texttt{LinearAlgebra::distributed::Vector}, the