Apache
/
commons-math
mirror of https://github.com/apache/commons-math.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Enhanced formatting of the results printed to stdout. 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1170697 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Gilles Sadowski 2011-09-14 15:56:08 +00:00
parent 724130fb7f
commit 88c71bb962
1 changed files with 28 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
src/test/java/org/apache/commons/math/PerfTestUtils.java
View File

@ -163,24 +163,49 @@ public class PerfTestUtils {
boolean runGC,
RunTest ... methods) {
// Header format.
final String hFormat = "%s (calls per timed block: %d, timed blocks: %d)";
final String hFormat = "%s (calls per timed block: %d, timed blocks: %d, time unit: ms)";
// Width of the longest name.
int nameLength = 0;
for (RunTest m : methods) {
int len = m.getName().length();
if (len > nameLength) {
nameLength = len;
}
}
final String nameLengthFormat = "%" + nameLength + "s";
// Column format.
final String cFormat = nameLengthFormat + " %14s %14s %10s %10s %15s";
// Result format.
final String format = "%15s: %e (%e) ms";
final String format = nameLengthFormat + " %.8e %.8e %.4e %.4e % .8e";
System.out.println(String.format(hFormat,
title,
repeatChunk,
repeatStat));
System.out.println(String.format(cFormat,
"name",
"time/call",
"std error",
"total time",
"ratio",
"difference"));
final StatisticalSummary[] time = time(repeatChunk,
repeatStat,
runGC,
methods);
final double refSum = time[0].getSum();
for (int i = 0, max = time.length; i < max; i++) {
final StatisticalSummary s = time[i];
final double sum = s.getSum();
System.out.println(String.format(format,
methods[i].getName(),
s.getMean(),
s.getStandardDeviation()));
s.getStandardDeviation(),
sum,
sum / refSum,
sum - refSum));
}
return time;