#jython IRC Log (v0.9)

Index

IRC Log for 2010-07-28

Timestamps are in GMT/BST.

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[8:11] <azazel> hello
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[8:28] <moo_> hello hello
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[13:40] <pr3d4t0r> Buenos d??as.
[13:46] <azazel> good afternoon!
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[15:51] <jimbaker> pr3d4t0r: did you ever take a look more at http://bugs.jython.org/issue1571 ? - i couldn't replicate your performance issues with suitable hotspot warmup
[15:51] <jimbaker> it might be nice to get some easy performance tuning into 2.5.2 final :)
[15:54] <pr3d4t0r> jimbaker: Yeah.
[15:54] <pr3d4t0r> jimbaker: pjenvey figured it was an issue of using BigDecimal() instead of int/Integer/long/Long.
[15:54] <jimbaker> the jvm lang summit (which i'm not attending this year unfortunately) is showing possibilities for deep perf improvements. for 2.6 we definitely will want to implement invokedynamic so we can speed up getattr, which is perhaps the fundamental bit of slowness imposed by being dynamic
[15:54] <pr3d4t0r> jimbaker: He updated the nightly build at some point.
[15:54] <pr3d4t0r> jimbaker: Nice.
[15:55] <jimbaker> did he? i'll take a look at that... the bug itself has not been updated
[15:55] <pr3d4t0r> Gotta head to the office - see ya!
[15:55] <pr3d4t0r> jimbaker: I believe he did.
[15:55] * pr3d4t0r runs out the door.
[15:55] <jimbaker> later. again, if there are obvious call path improvements, we can try
[15:56] <jimbaker> for 2.5.2 specifically, of course
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[19:06] <fofoo> Hi
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[20:20] * pjenvey @ the JVM Language Summit
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[20:34] <jimbaker> pjenvey: how is the lang summit?
[20:41] <pjenvey> jimbaker - good as usual, though I missed Monday. thobe is in town and had dinner with us yesterday, but he's too busy for the summit
[20:42] <jimbaker> glad to see remi's indy backport works on android, that's very cool news
[20:42] <jimbaker> (as in, it should just work)
[20:45] <jimbaker> for others here, that means we should be able to use indy for method dispatch in jython 2.6, without requiring java 7. but java 7 should also give us some nice perf advantages by enabling inlining
[20:45] <jimbaker> speaking of which, has there been any solid performance numbers reported about indy on java 7?
[20:45] <jimbaker> pjenvey: ^^^
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[22:05] <pjenvey> jimbaker - I haven't seen any at the conference, but I missed the first day. Remi's phpreboot has great numbers he's made a very savvy compiler
[22:06] <pjenvey> still not many indy adopters
[22:06] <jimbaker> everybody's waiting it seems
[22:07] <jimbaker> i think one key part is the lack of a reweaver until now - agents are nice, but necessarily limited
[22:08] <jimbaker> as for jython - well, we should get 2.5.2 out first
[22:09] <azazel> all new terminology :-/
[22:09] <azazel> to me
[22:09] <pjenvey> the agent gets better performance though, but yes, you're limited with that
[22:26] <jimbaker> azazel: for more pointers, follow tweets around #jvmlang, the jvm lang summit home page at http://openjdk.java.net/projects/mlvm/jvmlangsummit/, and the jvm-l mailing list at http://groups.google.com/group/jvm-languages
[22:27] <jimbaker> remi's project is hosted at http://code.google.com/p/jvm-language-runtime/
[22:27] <jimbaker> and indy == invokedynamic, the new bytecode instruction to support dynamic typing
[22:28] <azazel> oh, many thanks!
[22:31] <azazel> oh, how you english people say when there is too much stuff to learn already? we say "c'?? gi?? troppa carne al fuoco" which rougly means "there is too much meat on the grill already"...:)
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[22:36] <jimbaker> we have many expressions. maybe the closest to yours is, "i have a lot on my plate!"
[22:37] <azazel> yes, it's similar
[22:45] <azazel> http://www.isuonidelledolomiti.it/eventi/articolo.asp?IDcms=6828&IDOpen=69060&s=&idOp=22&op=1
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[22:46] <azazel> ops, wrong channel... i'm very sorry...
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Index

These logs were automatically created by JythonLogBot_ on irc.freenode.net using a slightly modified version of the Java IRC LogBot (github).