.
--
Weldon Washburn
Intel Enterprise Solutions Software Division
. of Computer Science
Australian National University
http://cs.anu.edu.au/people/Robin.Garner/
--
Weldon Washburn
Intel Enterprise Solutions Software Division
PROTECTED] wrote:
On 10/26/06, Angela Lin [EMAIL PROTECTED] wrote:
On 10/24/06, Weldon Washburn [EMAIL PROTECTED] wrote:
If an arbitrary commercial JVM decided to use classlib, will it need
to be
modified to reflect the existing Harmony Classlib threading model?
This is the case no matter how you
:
cleanup_sources_1558_merged.patch.
Please, see comments.
Aleksey.
On 11/10/06, Weldon Washburn [EMAIL PROTECTED] wrote:
Aleksey,
I tried to apply native_sources_cleanup_upd.patch. svn HEAD has
changed
and
the patch no longer works. Part of the problem is that JIRA 1558 has
been
committed
--
Weldon Washburn
Intel Enterprise Solutions Software Division
On 11/10/06, Alexey Varlamov [EMAIL PROTECTED] wrote:
2006/11/10, Weldon Washburn [EMAIL PROTECTED]:
hmm it seems that we need to create kernel natives, the C version
of java kernel classes. The expectation is that the JVM supplier would
write their own kernel natives. And the classlib
. Is this correct?
--
Weldon Washburn
Intel Enterprise Solutions Software Division
Middleware Products Division
--
Weldon Washburn
Intel Enterprise Solutions Software Division
On 11/9/06, Robin Garner [EMAIL PROTECTED] wrote:
Geir Magnusson Jr. wrote:
Weldon Washburn wrote:
On 11/8/06, *Geir Magnusson Jr.* [EMAIL PROTECTED]
mailto:[EMAIL PROTECTED] wrote:
Weldon Washburn wrote:
On 11/7/06, Ivan Volosyuk [EMAIL PROTECTED]
mailto:[EMAIL
hundred
twenty files.
On 11/9/06, Rana Dasgupta [EMAIL PROTECTED] wrote:
Great. Thanks Weldon. Does this mean that it is to be verified on Windows?
On 11/8/06, Weldon Washburn [EMAIL PROTECTED] wrote:
1558 has been committed. It took two commits since I forgot to svn
add
4
files. All
of Etienne's proposal as a full class-unloading scheme.
With the best regards,
--
Robin Garner
Dept. of Computer Science
Australian National University
--
Weldon Washburn
Intel Enterprise Solutions Software Division
Aleksey,
I tried to apply native_sources_cleanup_upd.patch. svn HEAD has changed and
the patch no longer works. Part of the problem is that JIRA 1558 has been
committed. In addition to the below issues, I posted comments to
JIRA HARMONY-2000.
On 11/2/06, Weldon Washburn [EMAIL PROTECTED
Magnusson Jr. [EMAIL PROTECTED] wrote:
so, how did it go?
Weldon Washburn wrote:
On 11/7/06, Gregory Shimansky [EMAIL PROTECTED] wrote:
On Friday 03 November 2006 19:18 Weldon Washburn wrote:
H1558 has been a big battle to get it into committable shape. I
would
really like to commit
On 11/8/06, Geir Magnusson Jr. [EMAIL PROTECTED] wrote:
Weldon Washburn wrote:
On 11/7/06, Ivan Volosyuk [EMAIL PROTECTED] wrote:
On 07 Nov 2006 14:35:55 +0600, Egor Pasko [EMAIL PROTECTED] wrote:
I already have one idea how to benefit from movable vtables.
There would have
--
Robin Garner
Dept. of Computer Science
Australian National University
--
Weldon Washburn
Intel Enterprise Solutions Software Division
that Harmony needs to run within the next
12 months.
in GCV4.1? :)
Yes
--
Ivan
Intel Enterprise Solutions Software Division
--
Weldon Washburn
Intel Enterprise Solutions Software Division
and
small compared to a GC.
- shouldn't need a stop-the-world at any point.
I've implemented and tested the GC-relevant part of this in JikesRVM,
and the GC time overhead appears to be just under 1% in the MMTk
MarkSweep collector.
cheers,
Robin
--
Weldon Washburn
Intel Enterprise Solutions
On 11/7/06, Gregory Shimansky [EMAIL PROTECTED] wrote:
On Friday 03 November 2006 19:18 Weldon Washburn wrote:
H1558 has been a big battle to get it into committable shape. I would
really like to commit it first. (In fact, Pavel and I are working on it
right now!)
The patch in HARMONY
washburn (JIRA) wrote:
[ http://issues.apache.org/jira/browse/HARMONY-1993?page=all ]
weldon washburn closed HARMONY-1993.
Resolution: Fixed
committed. since it is only local to gc_gen directory and this
directory is not part of regular build
. Also, we
probably need some sort of JIRA coding to reflect which branch has which
patches.
Alexei
On 11/3/06, Weldon Washburn [EMAIL PROTECTED] wrote:
Salikh,
I glanced at the patch. What you propose below looks reasonable. I
really
don't see any other way to do it and still get usable
is attached to HARMONY-1635 (
heap-iteration-optimized.patch),
I would appreciate any comments and concerns.
--
Weldon Washburn
Intel Enterprise Solutions Software Division
possible distributions and all possible platforms... When someone who
has some problematic platform/distribution/gcc lets us know that
something doesn't compile, it is probably enough.
--
Weldon Washburn
Intel Enterprise Solutions Software Division
, we need some sort of automated test script that runs Eclipse and
tomcat, etc. in a deterministic fashion so that we can compare test
results. It does not have to be perfect for starts, just repeatable and
easy to use. Feel free to beat me to starting these threads :)
--
Weldon Washburn
Intel
. This will force switching off any class
unloading
support.
Aleksey.
On 11/1/06, Robin Garner [EMAIL PROTECTED] wrote:
Weldon Washburn wrote:
On 10/30/06, Robin Garner [EMAIL PROTECTED] wrote:
Weldon Washburn wrote:
On 10/27/06, Geir Magnusson Jr. [EMAIL PROTECTED] wrote
On 11/2/06, Tim Ellison [EMAIL PROTECTED] wrote:
Geir Magnusson Jr. wrote:
Anything else? I did ponder changes to our mail list. I think adding a
user list is something good to do now as it's non-disruptive, but I'm
not convinced that breaking up the dev list is something needed at this
is that by choosing ALv2 Harmony can freely engage and
exchange with their effort.
Regards,
Tim
--
Weldon Washburn
Intel Enterprise Solutions Software Division
On 11/1/06, Robin Garner [EMAIL PROTECTED] wrote:
Interesting idea! It seems the real issue is marking and sweeping
the
vtables. A stab at categorizing the approaches:
a)
Force vtables to be as similar to ordinary java objects as
possible. The
upside: existing GC algorithms will work
a seperate email asking
for volunteers to work on MMTk port.
--
Weldon Washburn
Intel Enterprise Solutions Software Division
.
--
Weldon Washburn
Intel Enterprise Solutions Software Division
and tested the GC-relevant part of this in JikesRVM,
and the GC time overhead appears to be just under 1% in the MMTk
MarkSweep collector.
cheers,
Robin
--
Weldon Washburn
Intel Enterprise Solutions Software Division
+1 for dumping GCv4 --- I got carried away and forgot to vote!
On 11/1/06, Weldon Washburn [EMAIL PROTECTED] wrote:
On 11/1/06, Geir Magnusson Jr. [EMAIL PROTECTED] wrote:
Is there any reason to keep this around in the main branch?
Actually, this brings up something I have been meaning
:: hythread_is_suspend_enabled(){
return tm_self_tls-suspend_disable_count == 0;
}
On 10/12/06, Weldon Washburn [EMAIL PROTECTED] wrote:
On 10/12/06, Evgueni Brevnov [EMAIL PROTECTED] wrote:
Hi,
I do the following:
hythread_suspend_disable();
do unsafe actions
hysem_wait(semaphore
. Gagnon, Ph.D.http://www.info2.uqam.ca/~egagnon/
SableVM: http://www.sablevm.org/
SableCC: http://www.sablecc.org/
--
Weldon Washburn
Intel Enterprise Solutions Software Division
[EMAIL PROTECTED] wrote:
Weldon, can you make a subpage to Rana's list and link it to the MMTK
integration item?
--
Weldon Washburn
Intel Enterprise Solutions Software Division
be a
fallback for DRLVM.
We need to decide on next steps, we cannot debate the algorithm forever
:-)
--
Weldon Washburn
Intel Enterprise Solutions Software Division
--
Weldon Washburn
Intel Enterprise Solutions Software Division
, the Comressor algorithm is only recently published. Given that the
focus of Harmony is production quality JVM, there is a risk when
implementing any algorithm that is yet unproven in a production environment.
Thanks,
xiaofeng
On 10/30/06, Weldon Washburn [EMAIL PROTECTED] wrote:
Since
: http://www.sablecc.org/
--
Weldon Washburn
Intel Enterprise Solutions Software Division
/
SableCC: http://www.sablecc.org/
--
Weldon Washburn
Intel Enterprise Solutions Software Division
is already used for
part
of data allocated for this class loader. Look in HARMONY-2000 which brings
per-class loader pools to the extent.
SNIP
--
Pavel Pervov,
Intel Enterprise Solutions Software Division
--
Weldon Washburn
Intel Enterprise Solutions Software Division
/06, Xiao-Feng Li [EMAIL PROTECTED] wrote:
On 10/27/06, Mikhail Fursov [EMAIL PROTECTED] wrote:
On 10/27/06, Weldon Washburn [EMAIL PROTECTED] wrote:
On 10/26/06, Xiao-Feng Li [EMAIL PROTECTED] wrote:
Hi, Mikhail, would you please educate me why this helper inlining
work
depends
.http://www.info2.uqam.ca/~egagnon/
SableVM: http://www.sablevm.org/
SableCC: http://www.sablecc.org/
--
Weldon Washburn
Intel Enterprise Solutions Software Division
On 10/27/06, Geir Magnusson Jr. [EMAIL PROTECTED] wrote:
Weldon Washburn wrote:
Steve Blackburn was in Portland Oregon today. I mentioned the idea of
adding a reference pointer from object to its j.l.Class instance. MMTk
was
not designed with this idea in mind. It looks like you
--
Weldon Washburn
Intel Enterprise Solutions Software Division
.
Could we put it directly into SVN? I'm +1 here. We have to decide only
about
a folder name.
Any thoughts?
--
Weldon Washburn
Intel Enterprise Solutions Software Division
and
it works. I simply want to turn it off for this stage of the MMTk/DRLVM
port. Back-branch polling and Uninterruptible have to work for the ongoing
DRLVM vmmagic vm helper coding that is currently under way.
--
Weldon Washburn
Intel Enterprise Solutions Software Division
Solutions Software Division
.
--
Weldon Washburn
Intel Enterprise Solutions Software Division
Fursov
--
Weldon Washburn
Intel Enterprise Solutions Software Division
done!
On 10/26/06, Pavel Ozhdikhin [EMAIL PROTECTED] wrote:
It seems this patch should also update helper name in VMInterface.cpp,
otherwise debug Jitrino build breaks. This will not affect those who build
debug VM because by default Jitrino is always built in release mode.
The following
On 10/24/06, Geir Magnusson Jr. [EMAIL PROTECTED] wrote:
Weldon Washburn wrote:
It seems JIRA is down for maintenance. If HARMONY-1904 is still open
perhaps it makes sense to put a counter in the while (...) { select...}
loop. And after every N loops, print a warning/diagnostic message
Solutions Software Division.
--
Weldon Washburn
Intel Middleware Products Division
On 10/23/06, Angela Lin [EMAIL PROTECTED] wrote:
What is the goal here?
1. If the goal is to create a single thread library that can be used
by multiple VM and classlib implementations, then the unified thread
lib should contain everything needed to support a VM implementation.
2. If the goal
this mean VM design is constrained by classlib design? And
classlib design is constrained by J9 design?
Angela
On 10/24/06, Weldon Washburn [EMAIL PROTECTED] wrote:
On 10/23/06, Angela Lin [EMAIL PROTECTED] wrote:
What is the goal here?
1. If the goal is to create a single thread
a
list
on
wiki. What do you think?
--
Gregory Shimansky, Intel Middleware Products Division
--
Weldon Washburn
Intel Middleware Products Division
]
For additional commands, e-mail: [EMAIL PROTECTED]
--
Weldon Washburn
Intel Middleware Products Division
is because it requires two or more running Java thread to create
a condition
where one thread want to arbitrarily suspend the other java threads at GC
safepoints.
--
Weldon Washburn
Intel Middleware Products Division
-- Forwarded message --
From: Weldon Washburn [EMAIL PROTECTED]
Date: Oct 23, 2006 9:07 AM
Subject: [DRLVM][MMTk] current status and plan
To: harmony-dev@incubator.apache.org
Current status
- Robin Garner's mmtk_20061016.zip snapshot of MMTk source now runs
the simple user
Source)
utility/alloc/BumpPointer contains the following:
protected void reusePages(int pages) {
VM.assertions.fail(Subclasses that reuse regions must override this
method.);
}
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Intel Middleware Products Division
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-version
TestSemiSpace 1
5)
build the new and empty project to keep msvc happy
6)
start debugging -- push F5
NOTE: I like to put an __asm{int 3} in the C/C++ code. This will force
the binary to always call the debugger.
--
Weldon Washburn
Intel Middleware Products Division
and hits a debug event such as a
sigsegv, assert(0) or int 3.
On 10/20/06, Weldon Washburn [EMAIL PROTECTED] wrote:
On 10/20/06, Mikhail Fursov [EMAIL PROTECTED] wrote:
Weldon,
I use MSVC 2003 for debugging every day and everything works fine.
Did you try drlvm/trunk/buld/msvc_2003 build
On 10/20/06, Mikhail Fursov [EMAIL PROTECTED] wrote:
On 10/20/06, Weldon Washburn [EMAIL PROTECTED] wrote:
This sounds very much like what I experienced before I did the
below. When
the above dialog box opens, are you running from msvc debugger or from a
msdos console window? It seems
.
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-mail: [EMAIL PROTECTED]
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Intel Middleware Products Division
]
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commands, e-mail: [EMAIL PROTECTED]
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Pasko, Intel Managed Runtime Division
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be tested with it.
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as time goes on. Thus its impossible to
have an absolutely perfect document. Thanks for cleaning it up.
Thank you,
Nadya Morozova
-Original Message-
From: Weldon Washburn [mailto:[EMAIL PROTECTED]
Sent: Tuesday, October 17, 2006 4:46 PM
To: harmony-dev@incubator.apache.org
Cc: [EMAIL
On 10/16/06, Geir Magnusson Jr [EMAIL PROTECTED] wrote:
Please join the Apache Harmony PPMC in welcoming the project's newest
committers, in alphabetical order :
Oliver Deakin
Richard Liang
Alexey Petrenko
Gregory Shimansky
Alexey Varlamov
Alexei Zakharov
Congratulations!
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Intel Middleware Products Division
seconds
--
Weldon Washburn
Intel Middleware Products Division
.
These were all of the problems with native calls. Now we need to agree
if
the solution proposed is OK or find another one.
Please note, that this is just the first implementation. We can extend
it
with more features in the future.
--
Mikhail Fursov
--
Weldon
. :-)
On 10/18/06, Alexei Zakharov [EMAIL PROTECTED] wrote:
Hmm, I've got the same problem. Current workaround is to switch back
to sun javac
ant -Dhy.javac.compiler=modern -Dhy.javac.maxmem=512M
I am still trying...
Regards,
2006/10/17, Weldon Washburn [EMAIL PROTECTED]:
I am at revision 464949
.
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,
Is there any known bug related to this issue?
Rana
On 10/15/06, Weldon Washburn [EMAIL PROTECTED] wrote:
After thinking about it a while, how about the following course of
action:
1)
First phase is to modify hysem_wait() and any other hy blocking
functions to test if, in fact
count is 179.
--
Weldon Washburn
Intel Middleware Products Division
, 2006, at 11:31 AM, Weldon Washburn wrote:
+1 on the below.
I am assuming Andrey and his team will do this work. (Andrey,
when
will you
start?)
We have to start first by pulling hythread out, but where? After
thinking about it for 5 more seconds, putting
]
--
Weldon Washburn
Intel Middleware Products Division
On 10/12/06, Geir Magnusson Jr. [EMAIL PROTECTED] wrote:
Weldon Washburn wrote:
On 10/12/06, Geir Magnusson Jr. [EMAIL PROTECTED] wrote:
Weldon Washburn wrote:
A word of caution to those who are committing C/C++ code. There are
unique
features of Microsoft C/C++ that will cause
Salikh,
Good catch! You just saved the MMTk port 20 hours of debugging. Thank you
:)
On 10/13/06, Salikh Zakirov [EMAIL PROTECTED] wrote:
Weldon Washburn wrote:
I actually stumbled on this bug during bringup. I replaced
...plus(arrayOffset)... with ...plus(12)... Its a hack. But now
: [EMAIL PROTECTED]
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it.
Please feel free to review the code and to discuss any other problems I
missed.
--
Mikhail Fursov
--
Weldon Washburn
Intel Middleware Products Division
configuration.
- If the commit may depend on the platform, for example, a patch to
the system-dependent native code, he checks it on Windows with
definite configuration and ask another committer to check it on other
system.
Thanks,
Mikhail
Thanks,
Pavel
--
Weldon Washburn
Intel Middleware Products
On 10/12/06, Geir Magnusson Jr. [EMAIL PROTECTED] wrote:
Weldon Washburn wrote:
A word of caution to those who are committing C/C++ code. There are
unique
features of Microsoft C/C++ that will cause a build failure on Linux and
vice versa. For example, gcc expects that the end of a C/C
, 12 Oct 2006 11:36:33 +1000
From: Robin Garner [EMAIL PROTECTED]
To: harmony-dev@incubator.apache.org
References:
[EMAIL PROTECTED]
[EMAIL PROTECTED]
[EMAIL PROTECTED]
[EMAIL PROTECTED]
[EMAIL PROTECTED]
[EMAIL PROTECTED]
[EMAIL PROTECTED]
Weldon Washburn wrote:
Robin,
Thanks for helping
://incubator.apache.org/harmony/mailing.html
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of
...plus(arrayOffset)...
I actually stumbled on this bug during bringup. I replaced
...plus(arrayOffset)... with ...plus(12)... Its a hack. But now it looks
like I simply set ARRAY_BASE_OFFSET to 12 during clinit. Does this seem
right??
On 10/12/06, Weldon Washburn [EMAIL PROTECTED] wrote
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coding.
Please, suggest your vision or ask me if something I wrote is unclear.
+
The first candidates for inlining are: allocation helpers, monitor
helpers,
write barriers.
Any other ideas?
--
Mikhail Fursov
--
Weldon Washburn
Intel Middleware Products Division
any
devirtualization and call any method needed from MMTk or native
implementation. So JIT won't know if it works with MMTk or with a
native
GC:
all you need is just to replace the Java version of the helper.
?
--
Mikhail Fursov
--
Weldon Washburn
Intel Middleware
don't want to go back!
I erroneously thought we could call
VM.barriers.performWriteInBarrier() directly. This sort of, kind of
breaks
MMTk architecture.
well, it less 'breaks the architecture' than performs a no-op :)
-- robin
Weldon Washburn wrote:
Ooops. I
hmm we may have version skew going on here. Mikhail, Robin can we stay
with the July 14 (or there abouts) version that Steve Blackburn posted to
his web page?
On 10/11/06, Mikhail Fursov [EMAIL PROTECTED] wrote:
On 10/11/06, Weldon Washburn [EMAIL PROTECTED] wrote:
Robin,
Thanks
commands, e-mail: [EMAIL PROTECTED]
--
Weldon Washburn
Intel Middleware Products Division
, Xiao-Feng Li [EMAIL PROTECTED] wrote:
Salikh, right. I've submitted a patch to support both GC build.
Hopefully Weldon will commit it today. Thanks,
-xiaofeng
On 10/9/06, Salikh Zakirov [EMAIL PROTECTED] wrote:
Weldon Washburn wrote:
On second thought, you are right. I don't really should
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