There was a discussion here recently about sharing
the vm & core classes vs other approaches to reducing startup time.
Apropos of that discussion, the Mac OS X java apparently
does this. Announcement of its features at
http://developer.apple.com/javaosdn.html
---
I have a performance problem that would be explained if the
following were true:
x = new Something()
x.methodcall(); // not compiled yet
x.methodcall(); // second call, compiled now?
y = new int[10];// causes gc, DISCARDS THE COMPILED x ??
Another of those dreaded Off Topic questions:
Is there ever any performance penalty for declaring
that something implements Serializable?
(sorry for the OT; the quality of the answers on this
list outweigh the politeness factor. And, you would
probably rather see this question than an on-topi
> What is really needed is a pre-started jvm. When you start up a java
> process, the jvm will fork, and the child will su to you and proceed as
> normal. I don't know exactly what the jvm is doing when it is taking
> all that time starting up so I don't know how useful this would be.
I like t
> Mozilla doesn't understand NPX_PLUGIN_PATH. You have to create a link
This fixed the problem. Thank you
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I've tried to get java working under mozilla several times without luck.
Currently I'm using mozilla 2001010517 (released this month, I believe
it's called 0.7). I'm launching it with a script that sets the
environment variable NPX_PLUGIN_PATH to the jre/plugin/i386 directory
of the java. I've
Hello,
does anyone know an email address at ibm that would be interested
seeing bug reports in their jdk? I have one that happens in theirs
but not in blackdown or sun.
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with a su
Hello,
(forgive me since this is mostly off topic, though the answer
might possibly be specific to the operating system.)
I want to write a little java app to copy a url and its relative links.
The url itself is a text html file; some of the links may be binary
files such as .jpg, .ps.gz, etc.
In netscape4, I believe that the java plugin does not
replace the internal jvm, and that web pages need to
have a bit of special html to cause them to use the plugin
instead of the internal jvm.
Is this true in mozilla/netscape6? Or is the java plugin
"the" java for mozilla? (& does it work on
I program desktop graphics for a large company (Disney). We develop in
part on Linux and deploy on SGI, but possibly linux in the future.
Elsewhere in the company there are mac clients with sun servers, etc.
My two issues:
1) FONTS. The fonts look different on every platform, and they
only lo
and not as desirable, but for
anyone who says it's the same as microsoft and and others,
I'm still waiting to see the VB source ported to linux.
On Mon, 30 Oct 2000, Chris Abbey wrote:
> At 18:11 10/30/00 -0800, noisebrain wrote:
> >This (the license) does not negate the fact that t
On Mon, 30 Oct 2000, [iso-8859-1] Martin Schröder wrote:
> On 2000-10-29 22:26:06 -0800, noisebrain wrote:
> > slightly open with it: the source *is* available, you *can* change,
>
> Since when? Last time I looked the source was "provided for
> educational value only
Nice idea but for industry programmers this would only work
if there was an adequate alternative available. And if such
were available, there would not be a need for the petition!
The kaffe/gcj/classpath stuff is way behind sun java, and so is not
an alternative. (Interesting question: is it
I used a commercial app called "bugseeker" and had fairly good luck
with it. It has a free 30(?) day eval period. Forte (free) also has
a debugger but i have not tried it. I believe the N.Meyer's Java-Linux
book has a simple debugger as one of its examples.
Even if you don't keep it bugseeke
Slightly off topic, but I was able to get a opengl
card to work under linux and call it successfully from Java.
This took about 1.5 days of configuring, between Xfree86 4 and
the particular card. The result is dramatically faster for
textured renders.
Particulars are:
RH6.2,
added Xfree86 4.0.0
The download page for the sun 1.3 beta states that 'both client
and server' jits are bundled. I don't see the server -
am I overlooking it? Perhaps it's intended for the final but
didn't make the beta
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I tried running the recent jdk1.3+hotspot downloaded from sun
with forte community edition 1.0 v502.
It has a problem whereby the jmenus pull down but then immediately
disappear, so it is impossible to select any menu items.
Any thoughts or suggestions on what to try? / thanks
-
Matt Boersma wrote down his impressions of several debuggers-
thought this might be of general interest.
> Can you give me a recommendation of what debugger(s) to try under
> linux? I've tried jdb but nothing else so far, and i'd like
> to graduate from inserting prints.
I've used:
JBuilder 3.
- it uses the IBM jit rather than hotspot. Performs similarly
to IBM's 1.1.8 on a couple benchmarks (i.e. very good performance,
though we haven't seen what hotspot can do yet).
- The Swing demo is completely rewritten, worth checking out.
Java2D demo is modified slightly.
- SWING IS MUC
Hello,
i'm trying jdb for the first time and am having difficulties.
Using sun/inprise/blackdown 1.2.2(feb version) I run my app with
-Xdebug -Djava.compiler=NONE -Xbootclasspath:...
and it prints out e.g.
Agent password=3i5347
The jdb tool doc says that I can then run
jdb -host
I think I see indirect evidence of the IBM/intel/linux 118 jvm
using PII instructions - see the RESAMPLE benchmark at
www.idiom.com/~zilla/Computer/javaCbenchmark.html
This is a synthetic benchmark available in java and C++ versions.
On a PII machine the java code runs faster than the C++ cod
I was considering whether we needed to write some image resampling
inner loops in C++, and wrote a little bilinear interpolation
"mock up" resampling routine.
On a Celeron machine the ibm jdk is actually a hair faster than
the C++ version compiled with -O. Note that the C++ is not
compiled wit
Aren't we forgetting something in this discussion?
Average PC has 64M, you want to write an application that runs
on this PC, your dev environment (JBuilder or whatever)
has, in addition to the application, a compiler, the IDE, a debugger...
...your development environment is probably going to
I find some of the sun-bashing both counter-productive and
slightly embarrassing.
Personally, I *want* new versions of the jdk to be released
in synch with the Windows and Solaris releases, rather than
a year later. I want Sun to support Linux rather than
think that we're all a bunch of crazed
I have a project where I want badly to use the htlm-in-component stuff
that is part of Swing1.1.1 (you can label your buttons,fields, etc. with
any html, .e.g.,
String htmlText =
"A JLabel with various text styles"
+ "And a new line!";
JLabel myLabel = new JLabel(htmlText
Benchmarks updated for borland's javacomp - this jit does not
compile routines that are only called once, so the benchmark main
now calls the top-level benchmark routine with an iteration of 1,
then calls again with the desired iteration count.
-
I didn't see mention of it on this list, but the status page
appears to be updated as of 10/30:
"There is still one known problem with SMP systems but
I hope we can do a 1.2.2 (and a 1.1.8) release in the second half of
November. "
also there is a 1.3beta port status page from the same date
"
I think that the speed depends on what benchmark you run,
though the new borland jit seems generally faster than the
sunwjit that comes with 1.2pre2.
There's a table of timings of several linux jits versus C
at www.idiom.com/~zilla/Computer/javaCbenchmark.html
us? Will this go into
> the blackdown release from now on?
>
>
> - Original Message -
> From: noisebrain <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Monday, September 27, 1999 11:58 AM
> Subject: borland/inprise jit for blackdown 1.2pre2
>
&
Linux platform. For
example, compilation is 33% faster when using the JBuilder
JIT for Linux in place of the default JIT included with the
Java 2 Linux JDK
noisebrain --- www.idiom.com/~
http://www.alphaWorks.ibm.com/tech/linuxjvm
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