* rixed
never understand why it's worth the trouble to port a language onto the JVM
<xenocons>
business demand for jvm
<xenocons>
s/demand/demention/
<adrien>
rixed: check the website ;-)
<rixed>
xenocons: aren't business demanding java and not jvm?
<xenocons>
good point, answer i have not
<rixed>
adrien: so the purpose is to be able to call java libs? can't you call java from C or the the other way around?
<xenocons>
ever got really excited about refactoring only to realise afterwoulds your code is unreadable? :(
<xenocons>
this has nothing to do with jvm opcode btw, java is unreadable pre-refactoring
<rixed>
adrien: apparently there is a thing called JNI that makes it possible to call java from the real world. Why not use this?
<xenocons>
java native interface
<rixed>
I understand when it's language with poor runtime performance, since the JVM is quite fast for a VM. But for Ocaml what's the gain?
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<xenocons>
a language with poor runtime performance like lisp?
<xenocons>
clojure went to the jvm, wonder what their reasoning was, probably "more stuff"
<xenocons>
wonder what the reasoning for ocaml going to the .NET runtime was too (F#)
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<orbitz>
F# is much more than ocaml on .net though
<companion_cube>
clojure probably went to the jvm for the nice GC and concurrency support
<orbitz>
It fits into the .net ecosystem more
<orbitz>
If you can get past the impedence mismatch of the JVM, you get a lot of things for free that are a lot of work otherwise
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<adrien>
rixed: JNI is for C
<adrien>
and probably pretty low-level
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<rixed>
adrien: JNI is for C, sure. Then once you have bridged the gap from java to C, you are one hop away from your beloved Ocaml world. Sure, looking at some example code, it should not be much fun to pass many objects around between Java and Ocaml.
<rixed>
adrien: yet having to port a whole native compiled language to a VM merely to use some libraries seams wrong to me.
<adrien>
rixed: ocamljava has a pretty good integration as far as I know
<adrien>
going through C means you go through a very simple most common denominator
<rixed>
adrien: yes. what about something like corba or alike, then, to have your compiled ocaml program call java libs?
<adrien>
you lose quite a lot of type information, for simple types and even more for objects probably
<adrien>
they're pretty heavy afaik
<adrien>
and meant for remote-calls
<adrien>
or again, a common denominator
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<adrien_oww>
I think avsm had data for running mysqld bare metal, with graphs showing the perf
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<adrien>
huh, I can't find a new topic I've made today on reddit in /r/vim in the first three pages (up to one month ago)
<adrien>
spam filter? =/
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<semperos>
learning OCaml; have installed GODI, then installed Batteries Included via GODI; now I'm trying to run 'ocamlfind batteries/ocaml', but I get an error:
<semperos>
thank you, I figured there was a way to load it from a vanilla toplevel, but just kept finding the system-level ocamlfind way of doing it
<thelema>
semperos: batteries also includes an 'ocamlinit' file that can be copied to ~/.ocamlinit that will do this initialization (and more)
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* adrien
is looking for Release Announcement For Dummies
<thelema>
adrien: oasis apparently can make release announcements
<adrien>
yypkg is without oasis :P
<adrien>
I'm going to copy lwt's I think
<thelema>
yup, just copy someone else's annoucement structure
<adrien>
it's quite funny because it always goes the same and we've managed to have rules about them
<adrien>
I should have used git tags :P
<hcarty>
thelema: Does Batteries provide a more efficient way to write out an array of numbers (floats or ints) in binary form than writing them one at a time with IO.write_(i32|i64) and IO.write_(float|double)?
<thelema>
hcarty: not that I can think of.
<thelema>
even those routines have to write a byte at a time
<thelema>
You may consider using marshal to serialize your arrays.
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<hcarty>
thelema: They are being read by a program written in another language on another OS.
<thelema>
hcarty: okay, so no marshal...
<hcarty>
I think using an mmap'd Bigarray is the way to go
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<thelema>
yup, that's my next question
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<adrien>
I actually like fusionforges's bugtracker
<adrien>
takes a few minutes the first time but it turns out to be easy to use
<adrien>
file release is still awful however ;p
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<adrien>
orbitz: oh, I was finally reading ocaml-java's latest announce: running on the jvm also means taking advantage of its multicore-enabled GC
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<orbitz>
adrien: Yep, that seems like the main benefit to me
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<flux>
it would be nice if the ocaml libraries that bind C libraries worked with it as well
<flux>
but I suppose that's pretty impossible to implement
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<Anarchos>
how to know if i compiled a hybrid or a gcc2-only haiku version ?
<adrien>
gcc2??
<adrien>
and probably wrong chanel
<Anarchos>
adrien sorry :)
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