Improve table captions (remove meaningless 'x').

diff --git a/hpcc.tex b/hpcc.tex
index 1c94f848acfe7d2a2a3bd3f5f34d0bacbc208b78..4322e6e47d8548cca765374aec8b0629fc03a9e1 100644 (file)
--- a/hpcc.tex
+++ b/hpcc.tex
@@ -365,7 +365,7 @@ Table~\ref{tab.cluster.2x50} with a matrix size ranging from $N_x = N_y = N_z =
 
 \begin{table}
   \centering
-  \caption{2 Clusters x 50 nodes each}
+  \caption{2 clusters, each with 50 nodes}
   \label{tab.cluster.2x50}
 
  \tiny
@@ -390,7 +390,7 @@ speedups less than 1 with a matrix size from 62 to 100 elements.
 
 \begin{table}
   \centering
-  \caption{3 Clusters x 33 nodes each}
+  \caption{3 clusters, each with 33 nodes}
   \label{tab.cluster.3x33}
 
  \tiny
@@ -415,7 +415,7 @@ Table~\ref{tab.cluster.3x67}.
 
 \begin{table}
   \centering
-  \caption{3 Clusters x 66 nodes each}
+  \caption{3 clusters, each with 66 nodes}
   \label{tab.cluster.3x67}
 
  \tiny