Updated gnuplot script to plot timings relative to std::tr1::unordered_map

Author: Dan Lecocq

bench.gnuplot

@@ -1,34 +1,34 @@
-set terminal png
+set terminal png size 1200, 800
 
 set output "insert.png"
-set title "Insertion Time"
-set log xy
-set yrange [1:10000]
-set xrange [10:95000]
+set title "Insertion Time Relative to std::tr1::unordered_map"
+set log x
+set yrange [0:5]
+set xrange [50:95000]
 set xlabel "Items Inserted"
-set ylabel "Ticks To Insert (Best of 10 Consecutive Runs)"
-plot 'bench.dat' using 1:2 with lines title 'array-hash', \
-     'bench.dat' using 1:5 with lines title 'std::map', \
-     'bench.dat' using 1:8 with lines title 'std::tr1::unordered_map'
+set ylabel "Relative Time (Best of 10 Consecutive Runs)"
+plot 'bench.dat' using 1:($2/$8) with lines title 'array-hash', \
+     'bench.dat' using 1:($5/$8) with lines title 'std::map', \
+     'bench.dat' using 1:($8/$8) with lines title 'std::tr1::unordered_map'
 
 set output "query.png"
-set title "Query Time"
-set log xy
-set yrange [1:10000]
-set xrange [10:95000]
+set title "Query Time Relative to std::tr1::unordered_map"
+set log x
+set yrange [0:5]
+set xrange [50:95000]
 set xlabel "Items Queried and Contained"
-set ylabel "Ticks To Query (Best of 10 Consecutive Runs)"
-plot 'bench.dat' using 1:3 with lines title 'array-hash', \
-     'bench.dat' using 1:6 with lines title 'std::map', \
-     'bench.dat' using 1:9 with lines title 'std::tr1::unordered_map'
+set ylabel "Relative Time (Best of 10 Consecutive Runs)"
+plot 'bench.dat' using 1:($3/$9) with lines title 'array-hash', \
+     'bench.dat' using 1:($6/$9) with lines title 'std::map', \
+     'bench.dat' using 1:($9/$9) with lines title 'std::tr1::unordered_map'
 
 set output "random.png"
-set title "Random Query Time"
-set log xy
-set yrange [1:10000]
-set xrange [10:95000]
+set title "Random Query Time Relative to std::tr1::unordered_map"
+set log x
+set yrange [0:5]
+set xrange [50:95000]
 set xlabel "Items Queried and Contained"
-set ylabel "Ticks To Query (Best of 10 Consecutive Runs)"
-plot 'bench.dat' using 1:4  with lines title 'array-hash', \
-     'bench.dat' using 1:7  with lines title 'std::map', \
-     'bench.dat' using 1:10 with lines title 'std::tr1::unordered_map'
+set ylabel "Relative Time (Best of 10 Consecutive Runs)"
+plot 'bench.dat' using 1:($4/$10)  with lines title 'array-hash', \
+     'bench.dat' using 1:($7/$10)  with lines title 'std::map', \
+     'bench.dat' using 1:($10/$10) with lines title 'std::tr1::unordered_map'