Hello,
I'm using ant 1.7.1 with jruby-complete-1.4.0RC1.jar via bsf.
My problem is that the jruby performance inside ant is very bad
(e.g. compared to a beanshell script).
The ant test file (see below) compares two simple scripts, and
here jruby is a factor 30x slower:
D:\>ant\bin\ant -f build.xml
Buildfile: build.xml
[stopwatch] [rubylist: 6.187 sec]
[stopwatch] [beanlist: 0.203 sec]
Is there a way to improve the script-startup performance ?
We have lots of small jruby helper scripts inside ant and the
slow startup becomes the main bottleneck.
Thanks,
Stefan
Ant build.xml:
<project name="comparerubyvsbeanshell">
<typedef resource="net/sf/antcontrib/antlib.xml" />
<stopwatch name="rubylist" action="start"/>
<for
list="a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z,a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z"
param="i">
<sequential>
<script
language="ruby">$project.addReference("justdosomething1", "v1")</script>
</sequential>
</for>
<stopwatch name="rubylist" action="total"/>
<stopwatch name="beanlist" action="start"/>
<for
list="a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z,a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z"
param="i">
<sequential>
<script
language="beanshell">project.addReference("justdosomething1",
"v1");</script>
</sequential>
</for>
<stopwatch name="beanlist" action="total"/>
</project>
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