improve throughput plots

plot.py

@@ -81,16 +81,18 @@ def build_tikz(stats,
         yminorticks=false,
         ymajorgrids=true,
         height=7.5cm,
-        width=10cm,
+        width=9cm,
         enlarge x limits={
             auto,
             value=0.04,
         },
+        ylabel={Thousand echos/\\unit{\\s}},
+        xlabel={Connections},
         legend columns=3,
         legend style={
-            at={(.5,1.05)},
+            at={(.5,-.3)},
             anchor=south,
-            font=\\scriptsize,
+            font=\\small,
             draw=none,
             fill=none,
         },
@@ -116,9 +118,6 @@ $table};
     tail = Template("""
 \\end{groupplot}
 
-\\draw ($$(plots c1r1.south) + (0,-0.4)$$) node[anchor=north] (xlabel) {\\textbf{Connections}};
-\\draw ($$(plots c1r1.west) + (-0.8,0)$$) node[anchor=south,rotate=90] (ylabel) {\\textbf{$y_label}};
-
 \\node (title) at ($$(plots c1r1.south) - (0,1.2)$$) {$title};
 
 \\end{tikzpicture}
@@ -135,7 +134,7 @@ $table};
         impl_map_name = impl.replace('_', '-')
         c_map = ''
         for i, cons in enumerate(all_cons):
-            y_val = _eval_with_stat(y_expression, impl_stats[cons], 'median')
+            y_val = _eval_with_stat(y_expression, impl_stats[cons], 'mean')
 
             data_row = f'{i}\t{y_val}\t'
 

plots/common.tex

 % common tex usepackages, command and color definitions
+\usepackage{siunitx}
 
 \usepackage{xparse}
 \providecommand{\emper}{EMPER}
+\providecommand{\waitfd}{\texttt{suspendfd}}
 
 \usepackage{pgfplots}
 \pgfplotsset{compat=1.16}