Re: [abc] FW: [abc-users] -O3 runtime error

On Wed, Aug 09, 2006 at 03:44:18PM -0400, Eric Bodden wrote:
> Ok, guys, this is interesting because on my machine I am seeing exactly
> the same problem. First I thought it was be related to our new lab
> machines but reading this, maybe it is not. The strange thing is that
> just a few weeks ago everything worked fine when I started to work with
> the points-to analysis. Then all the sudden (?) I got paddle crash on my
> machine using the Sun JVM. After consulting Ondrej I used JRockit, which
> I just gave another try today and with JRockit it also seems to take
> forever just as this user reports. Personally I have no clue what could
> cause this.
>
> Ondrej would you have a bit of time to look into this? If you need any
> more information, please let me know.

What are you asking me to look into? What runs forever?

Ondrej

>
>
> Eric
>
>
> > -----Original Message-----
> > From: Majordomo list server [mailto:majordomo@comlab.ox.ac.uk] On
> > Behalf Of Eduardo S. Cordeiro
> > Sent: Wednesday, August 09, 2006 3:14 PM
> > To: abc-users@comlab.ox.ac.uk
> > Subject: Re: [abc-users] -O3 runtime error
> >
> > Hello Ondrej and Eric,
> >
> > thanks for the replies; I noticed the problem with Paddle throwing an
> > exception is solved on abc-1.2.1. I have another problem though --
> with
> > the -O3 flag turned on, and the -Xmx512M VM option, abc seems to run
> > forever on my machine -- the most I've tried was going for over 20
> > minutes when I shut it down.
> >
> > I don't actually need my optimization to run on -O3, however, because
> > all I need is static information. The glitch seems to be that my
> > optimization involves eliminating methods, and it appears that this
> can
> > only be done from a SceneTransformer. Adding SceneTransformers to the
> > "bop" pack doesn't work though, and removing methods from a
> > BodyTransformer is equally fruitless.
> >
> > I fear SceneTransformers can only be added to the "wjtp" pack...is
> this
> > true? If so, is there a way to remove methods from a BodyTransformer,
> > or will -O3 be a requirement? (This might be pushing a little too
> hard,
> > but is it possible to run -O3 and bypass call graph creation and the
> > other "wjtp" optimizations?)
> >
> > Thanks again for the help,
> > Eduardo Cordeiro
> >
> > Ondrej Lhotak wrote:
> > > On Thu, Aug 03, 2006 at 10:14:42AM -0400, Eric Bodden wrote:
> > >
> > >> You can get paddle from here:
> > >> http://www.sable.mcgill.ca/~olhota/build/
> > >>
> > >
> > > The machine that does those builds seems to not exist anymore.
> > > Up-to-date builds are at:
> > >
> > > http://plg.uwaterloo.ca/~olhotak/build/
> > >
> > > I'll modify the web page to point to the up-to-date version.
> > >
> > > Ondrej
> > >
> > >
> > >> Eric
> > >>
> > >>
> > >>
> > >>> -----Original Message-----
> > >>> From: Majordomo list server [mailto:majordomo@comlab.ox.ac.uk] On
> > >>> Behalf Of Eduardo S. Cordeiro
> > >>> Sent: Wednesday, August 02, 2006 10:29 PM
> > >>> To: abc-users@comlab.ox.ac.uk
> > >>> Subject: Re: [abc-users] -O3 runtime error
> > >>>
> > >>> Eric and Ondrej,
> > >>>
> > >>> as a workaround, is it possible to disable at source code level
> the
> > >>> optimization that uses Paddle so that I can get my extension to
> > run?
> > >>>
> > >>> Thanks and regards,
> > >>> Eduardo Cordeiro
> > >>>
> > >>> Ondrej Lhotak wrote:
> > >>>
> > >>>
> > >>>> This bug was reported and fixed in Paddle on April 27th (which,
> > >>>> unfortunately, was after the abc 1.2.0 release). The fix should
> > >>>>
> > >> appear
> > >>
> > >>>> in the next release of abc.
> > >>>>
> > >>>> Ondrej
> > >>>>
> > >>>> On Wed, Aug 02, 2006 at 10:46:13AM -0300, Eduardo S. Cordeiro
> > wrote:
> > >>>>
> > >>>>
> > >>>>
> > >>>>> Hello there,
> > >>>>>
> > >>>>> I've been trying to add an optimization to the wjtp pack, and so
> > >>>>> abc must be executed with the -O3 option. When executed with
> this
> > >>>>>
> > >> option,
> > >>
> > >>>>> abc generates the following error:
> > >>>>>
> > >>>>> Garbage collection #1: 1000003 nodes / 998323 free / 0.062s /
> > >>>>> 0.062s total Exception in thread "main"
> > >>>>>
> > >> polyglot.util.InternalCompilerError:
> > >>
> > >>>>> unhandled exception during compilation
> > >>>>> at abc.main.Main.run(Main.java:653)
> > >>>>> at abc.main.Main.main(Main.java:211) Caused by:
> > >>>>> java.lang.RuntimeException
> > >>>>> at
> > >>>>>
> > >>>>
> > soot.jimple.paddle.PaddleScene.makeSetFactories(PaddleScene.java:13
> > >>>> 63
> > >>>>
> > >>> )
> > >>>
> > >>>>> at soot.jimple.paddle.PaddleScene.setup(PaddleScene.java:1284)
> > >>>>> at
> > >>>>>
> > >>>
> > soot.jimple.paddle.PaddleTransformer.setup(PaddleTransformer.java:84
> > >>> )
> > >>>
> > >>>>> at
> > >>>>>
> > >>>>
> > soot.jimple.paddle.PaddleTransformer.internalTransform(PaddleTransf
> > >>>> or
> > >>>>
> > >>> mer.java:45)
> > >>>
> > >>>>> at soot.SceneTransformer.transform(SceneTransformer.java:39)
> > >>>>> at
> > >>>>>
> > >>>
> soot.jimple.paddle.PaddleHook.internalTransform(PaddleHook.java:43)
> > >>>
> > >>>>> at soot.SceneTransformer.transform(SceneTransformer.java:39)
> > >>>>> at soot.Transform.apply(Transform.java:89)
> > >>>>> at soot.RadioScenePack.internalApply(RadioScenePack.java:60)
> > >>>>> at
> > >>>>>
> > >>>>
> > soot.jimple.toolkits.callgraph.CallGraphPack.internalApply(CallGrap
> > >>>> hP
> > >>>>
> > >>> ack.java:40)
> > >>>
> > >>>>> at soot.Pack.apply(Pack.java:110)
> > >>>>> at
> > >>>>>
> > >>>
> > abc.weaving.weaver.CflowAnalysisImpl.run(CflowAnalysisImpl.java:105)
> > >>>
> > >>>>> at abc.weaving.weaver.Weaver.runCflowAnalysis(Weaver.java:319)
> > >>>>> at abc.weaving.weaver.Weaver.weave(Weaver.java:137)
> > >>>>> at abc.main.Main.weave(Main.java:1064)
> > >>>>> at abc.main.Main.run(Main.java:531)
> > >>>>> ... 1 more
> > >>>>>
> > >>>>>
> > >>>>> I thought this might be a problem with my extension, so I
> removed
> > >>>>>
> > >> the
> > >>
> > >>>>> -ext option, but the error message still occurs. Is this an
> error
> > >>>>>
> > >>> with
> > >>>
> > >>>>> my setup or maybe a known bug? I'm using abc 1.2.0 from the
> > >>>>> abc-complete jar file.
> > >>>>>
> > >>>>> Thank you,
> > >>>>> Eduardo Cordeiro
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>
> > >>>>
> > >>>
> > >
> > >
> >
>
Received on Wed Aug 09 22:10:09 2006