iccsa-19-vtestbed

commit ab2e7eb6759e92c7b5cd1bea92b0f92fb3a4f8c8
parent ff974b299cc108fe9e48b463fa684af2f2adb201
Author: Ivan Gankevich <igankevich@ya.ru>
Date:   Wed, 27 Mar 2019 15:07:32 +0300

Amdahl.

Diffstat:
Makefile
 | 
6
+++++-
gnuplot/openmp.gnuplot
 | 
19
+++++++++++++++++++
main.tex
 | 
11
+++++++++--
shell/profile
 | 
37
++++++++++++++++++++++---------------

4 files changed, 55 insertions(+), 18 deletions(-)
diff --git a/Makefile b/Makefile
@@ -13,13 +13,17 @@ NAME = iccsa-19-vtestbed
 
 build/$(NAME).pdf: build/aurora.eps
 build/$(NAME).pdf: build/micw.eps
+build/$(NAME).pdf: build/openmp.eps
 build/$(NAME).pdf: main.tex
 	@echo "   LATEX $<"
 	@-$(LATEXMK) $(FLAGS) -f $<
 
-build/%.svg: data/%.vsl.gnuplot
+build/%.vsl.svg: data/%.vsl.gnuplot
 	gnuplot -c gnuplot/vessel.gnuplot $< $@
 
+build/openmp.svg: build/*.openmp.dat gnuplot/openmp.gnuplot
+	./gnuplot/openmp.gnuplot
+
 build/%.eps: build/%.svg
 	inkscape -z --export-eps=$@ $<
 
diff --git a/gnuplot/openmp.gnuplot b/gnuplot/openmp.gnuplot
@@ -0,0 +1,19 @@
+#!/usr/bin/gnuplot -d
+
+set terminal svg size 1920/8,1080/6 dynamic round font 'Times, 10' lw 0.5
+set xtics nomirror out
+set ytics nomirror out
+set border 1+2
+set key Left reverse
+set xlabel 'No. of parallel threads' offset 0,0.25
+set ylabel 'Time, s' offset 1,0
+set xrange [0:10]
+set style line 1 lw 3 pt 6
+set style line 2 lw 3 pt 4
+set style line 3 lw 3 pt 8
+set output 'build/openmp.svg'
+plot \
+	'build/storm.openmp.dat' with linespoints ls 1 smooth csplines title 'Storm', \
+	'build/gpulab1.openmp.dat' with linespoints ls 2 smooth csplines title 'GPUlab', \
+	'build/capybara1.openmp.dat' with linespoints ls 3 smooth csplines title 'Capybara'
+
diff --git a/main.tex b/main.tex
@@ -463,8 +463,8 @@ impact of ocean waves.
 
 \begin{table}
 	\centering
-	\caption{Best median performance for each workstation for spherical ship
-	hull. Here \(t\) is simulation step computation time,
+	\caption{Best median performance for each workstation (spherical ship
+	hull). Here \(t\) is simulation step computation time,
 	\(1\text{s}/t\)~--- no. of frames per second, and \(n\)~--- the number of
 	OpenMP threads.\label{tab:benchmark1}}
 	\begin{tabular}{lrrrl}
@@ -478,6 +478,13 @@ impact of ocean waves.
 	\end{tabular}
 \end{table}
 
+\begin{figure}
+	\centering
+	\includegraphics{build/openmp.eps}
+	\caption{Median simulation step computation time for different number of
+	parallel threads (spherical ship hull).\label{fig:openmp}}
+\end{figure}
+
 
 \section{Discussion}
 
diff --git a/shell/profile b/shell/profile
@@ -19,6 +19,17 @@ $*
 EOF
 }
 
+query_for_gnuplot() {
+	sqlite3 $db << EOF
+.mode column
+$*
+EOF
+}
+
+query_for_shell() {
+	sqlite3 $db "$*"
+}
+
 src=build/profile.csv
 db=build/profile.sqlite3
 rm -f $db
@@ -72,19 +83,15 @@ FROM profile
 GROUP BY node
 '
 
-#echo
-#echo "Best visualisation FPS (all)"
-#query '
-#SELECT node, profile, nthreads, MAX(fps2)
-#FROM profile
-#GROUP BY node
-#'
-#
-#echo
-#echo "Worst visualisation FPS (all)"
-#query '
-#SELECT node, profile, nthreads, MIN(fps2)
-#FROM profile
-#GROUP BY node
-#'
 
+echo
+echo "Amdahl's law"
+for node in $(query_for_shell 'SELECT DISTINCT node FROM profile')
+do
+	echo $node
+	query_for_gnuplot "
+	SELECT nthreads,total
+	FROM profile
+	WHERE profile='openmp' and node='$node'
+	" > build/$node.openmp.dat
+done