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Date:      Fri, 14 Mar 2003 16:21:33 +1030
From:      Greg Lewis <glewis@eyesbeyond.com>
To:        Antony T Curtis <antony.t.curtis@ntlworld.com>
Cc:        freebsd-java@FreeBSD.ORG
Subject:   Re: FreeBSD JDK 1.3.1_p8 HotSpot not loading from jre/lib/ext???
Message-ID:  <20030314162133.A86664@misty.eyesbeyond.com>
In-Reply-To: <200303140149.02005.antony.t.curtis@ntlworld.com>; from antony.t.curtis@ntlworld.com on Fri, Mar 14, 2003 at 01:49:00AM %2B0000
References:  <200303120835.AA1746731258@mail.mstar2.net> <200303130053.19295.antony.t.curtis@ntlworld.com> <20030314065318.A85007@misty.eyesbeyond.com> <200303140149.02005.antony.t.curtis@ntlworld.com>

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On Fri, Mar 14, 2003 at 01:49:00AM +0000, Antony T Curtis wrote:
> On Thursday 13 March 2003 8:23 pm, Greg Lewis wrote:
> > On Thu, Mar 13, 2003 at 12:53:17AM +0000, Antony T Curtis wrote:
> > > On a semi-related thought... Will patchset 9 be adjusted for hotspot to
> > > use the system gcc on -STABLE (ie gcc 2.9 instead of 3.2)... And will it
> > > be possible to have the JDK compiled so that -classic and -hotspot builds
> > > can coexist?
> >
> > Maybe and maybe, respectively.  It depends on volunteer time and interest.
> > At the moment noone is specifically working on these issues (that I know
> > of).
> 
> For #2, I don't know what is so different when hotspot is enabled... My guess 
> is that there must be some quirk in the native threading/ green threading and 
> the libc_r and libc.... 

Probably.

> I'm very tempted to try recompiling the whole shebang with -pthread set for 
> gcc.

Hmmm, not sure that green threads would be very keen on this.

> > > I have successfully compiled up p8 on my box with the system compiler and
> > > it appears to work well. I have also examined the work in jdk1.4 and
> > > merged it into 1.3 so that it no longer depends on the uthread_private.h
> > > kernel source.
> >
> > Where are the patches available? :).
> 
> Attached - All I can say about it is that "make -DNODEBUG -DWITH_HOTSPOT 
> - -DNATIVE_BOOTSTRAP" works great for me ;)

Thanks!  Much appreciated :).  That makes us almost free of the pthread
internals.

> > > A "nice" little fun test for java is at www.motionplayground.com
> > > With it, you notice that JDK1.3p8 is still way slower than JDK1.4p3
> > > And that JDK1.3p7+tya can perform more smoothly than p8...
> > > So - theres still some important issues in hotspot in 1.3.
> > > (I used Konq to launch the applet)
> >
> > It does feel like HotSpot in 1.4.1 is more solid and performing better
> > than HotSpot in 1.3.1.  We basically need someone to step up to working
> > on HotSpot in 1.3.1.
> 
> I wouldn't mind having a crack at it - but I rarely have the time nowadays :(

Unfortunately thats usually the case :(.  There are always more projects
than there is developer time.

-- 
Greg Lewis                          Email   : glewis@eyesbeyond.com
Eyes Beyond                         Web     : http://www.eyesbeyond.com
Information Technology              FreeBSD : glewis@FreeBSD.org


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