Re: [aspectj-users] AspectJ 1.6.7 - faster than ever.

["Jean-Louis.Pasturel" <jean-louis.pasturel@xxxxxxxxx>]

does this new matching improves also LTW weaving ?

Mario Scalas a écrit :

> Now let's wait for next AJDT release to include it! :)
> Mario
>
> On Wed, Nov 11, 2009 at 12:50 PM, Simone Gianni <simoneg@xxxxxxxxxx 
> <mailto:simoneg@xxxxxxxxxx>> wrote:
>
>     Great work Andy!!!!!!!!
>
>     Simone
>
>
>     Andy Clement wrote:
>
>         I've been a bit quiet on the list lately, I've had my head down in
>         AspectJ adding some timing infrastructure.  I've just put up a
>         first
>         blog article about what you can find in the latest AspectJ.
>          Basically
>         the latest dev builds will produce profiling information for your
>         pointcuts allowing you to see which pointcuts are hurting your
>         compile
>         times.  Information like this:
>
>         Pointcut matching cost (total=6532ms for 675000 joinpoint
>         match calls):
>         Time:482ms (jps:#168585) matching against
>            (staticinitialization(*y*.()) && persingleton(SimpleAspect))
>         Time:3970ms (jps:#168585) matching against
>            (execution(* *t*.*(*)) && persingleton(SimpleAspect))
>         Time:538ms (jps:#168584) matching against
>            (execution(* *f*(..)) && persingleton(SimpleAspect))
>         Time:1536ms (jps:#168584) matching against
>            (execution(* java.lang.CharSequence+.*e*(..)) &&
>         persingleton(SimpleAspect))
>         Time:4ms (jps:#662) matching against
>            (within(*p*) && persingleton(SimpleAspect))
>
>         Post is here:
>         http://andrewclement.blogspot.com/2009/11/aspectj-profiling-pointcut-matching.html
>
>         Please have a read and try it out.  Based on the results of it
>         I've
>         changed a few key algorithms internal to AspectJ.  What difference
>         does it make? Well just to wet your appetite:
>
>         Aspect:
>         aspect SimpleAspect {
>          before(): execution(* CharSequence+.*e*(..)) {}
>         }
>
>         AspectJ1.6.6:
>         ajc -timers SimpleAspect.aj -inpath rt.jar -outjar woven.jar
>         Compiler took 19260ms
>
>         AspectJ1.6.7 dev builds:
>         ajc -timers SimpleAspect.aj -inpath rt.jar -outjar woven.jar
>         Compiler took 12531ms
>
>         I'll put out a second article about matching improvements
>         shortly.  It
>         will cover what is faster (and why it is faster) and how you
>         can make
>         sure you benefit from the speed up.
>
>         cheers,
>         Andy
>         _______________________________________________
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>          
>
>
>
>     -- 
>     Simone Gianni            CEO Semeru s.r.l.           Apache Committer
>     http://www.simonegianni.it/
>
>
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>
>
>
> --
> "Debugging is twice as hard as writing the code in the first place. 
> Therefore, if you write the code as cleverly as possible, you are, by 
> definition, not smart enough to debug it." - Brian W. Kernighan
>
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