[squeak-dev] [ANN] Squeak 5

Eliot Miranda eliot.miranda at gmail.com
Thu Aug 13 00:15:27 UTC 2015


Hi Tobias,

   forget that. I found it.  THis right?

Trunk test suite for Spur
Using existing cogspur r.3410
cp -r /var/lib/jenkins/workspace/Trunk/default/target/cogspur.r3410
/tmp/d20150812-28620-etbikj
  image test suite
VM: /tmp/d20150812-28620-etbikj/cogspur.r3410/cogspurlinuxht/bin/squeak
/tmp/d20150812-28620-etbikj/cogspur.r3410/cogspurlinuxht/bin/squeak -version
/var/lib/jenkins/workspace/Trunk/default/tests.st
spawning command 0 with timeout 1800 seconds:
"/tmp/d20150812-28620-etbikj/cogspur.r3410/cogspurlinuxht/bin/squeak"
"-vm-sound-null" "-vm-display-null"
"/var/lib/jenkins/workspace/Trunk/default/target/SpurPostTestTrunkImage.image"
"../tests.st"
(Command started with PID 28643)
2015-08-12T23:31:48.17+01:00: Loading Hudson build tools... from
/var/lib/jenkins/workspace/Trunk/default/target/HudsonBuildTools.st
2015-08-12T23:31:48.388+01:00: Running tests...
setsockopt: Protocol not available
setsockopt: Protocol not available
28646:error:140770FC:SSL routines:SSL23_GET_SERVER_HELLO:unknown
protocol:s23_clnt.c:612:

Recursive not understood error encountered


I bet this is ImageSegment related.

On Wed, Aug 12, 2015 at 5:11 PM, Eliot Miranda <eliot.miranda at gmail.com>
wrote:

> Hi Tobias,
>
> On Wed, Aug 12, 2015 at 12:49 PM, Tobias Pape <Das.Linux at gmx.de> wrote:
>
>>
>> On 12.08.2015, at 20:55, Eliot Miranda <eliot.miranda at gmail.com> wrote:
>>
>> > Hi All,
>> >
>> >
>> >     Fabio's kindly done most of the changes.  But some questions remain
>> for more general discussion.  See below.
>> >
>> > Fabio,  thanks so much for doing this, and so quickly!
>> >
>> > On Tue, Aug 11, 2015 at 8:51 PM, Eliot Miranda <eliot.miranda at gmail.com>
>> wrote:
>> > Hi All,
>> >
>> >     who will update http://squeak.org/downloads/ to include the 5.0
>> release?
>> >
>> > a) I suggest that the 5.0 all-in-one have a line in the left-hand table
>> that includes the 4.6 release and that it precede the 4.6 release in the
>> list.
>> >
>> > Done.
>> >
>> >
>> > b) the Trunk link points to TrunkImage.zip which contains a non-Spur
>> image.
>> >
>> > So this is the biggie.  What should we do?
>> >
>> > - add a Trunk 5.0 build with a different link?  (Noooooo)
>> >
>> > - change  http://build.squeak.org/job/SqueakTrunk to build what it
>> says (Yessss please, who can do this?)
>>
>> Done: build.squeak.org/job/Trunk/
>> But as I said several times, Spur/trunk test just crash for month…
>>
>
> can you point me to the crash?  I'm looking at
> http://build.squeak.org/job/Trunk/default/lastBuild/#showFailuresLink and
> see 8 test failures but no crash.
>
>>
>>
>> >
>> > - add a Squeak 4.6 build job?  Is that even worth it any more
>> considering 4.6 is released and stable?  If it is then what should it
>> build?  David?
>> >
>> >
>> > c) Spur VMs need to be linked to by an added line in the Virtual
>> Machines list.
>> >
>> > Not applicable.  the VM links point to the root of my site so they
>> effectively point to both old and Spur VMs.
>> >
>> >
>> > d) Spur imagers need to be included in the Image and Changes list under
>> Custom Installation
>> >
>> > Done.
>> >
>> >
>> >
>> > e) The SqueakV50.sources file also needs to be included in the Current
>> Sources list.
>> >
>> > Done.
>> >
>> >
>> > f) we could start a History list for the 5.0 line
>> >
>> > This is probably quite a big reorg on the page and not urgent.
>> >
>> >
>> > So there are a few things to fix before 5.0 is freely downloadable.
>> >
>> > On Tue, Aug 11, 2015 at 8:23 PM, Chris Muller <ma.chris.m at gmail.com>
>> wrote:
>> > In the 17 months since Squeak 4.5 was released, a huge development
>> > effort took place to create the next generation virtual-machine for
>> > the Squeak / Pharo / Newspeak family of programming systems.  Squeak
>> > is the modern incarnation of the Smalltalk-80 programming environment
>> > originally developed at the Xerox PARC.
>> >
>> > "Squeak 5" introduces this new VM and associated new memory model,
>> > collectively referred to as "Spur".  Presented [1] by Eliot Miranda
>> > and Clément Béra at the 2015 International Symposium on Memory
>> > Management, this new VM affords Squeak applications a significant
>> > boost in performance and memory management.  Among other
>> > optimizations, the #become operation no longer requires a memory scan.
>> > Object pinning and ephemerons are also now supported.  The release
>> > notes [2] provide more details.
>> >
>> > The new memory model requires a new image file format.  Although this
>> > new format results in about a 15% increased memory requirement for the
>> > same number of 4.x objects, a new segmented heap allows memory to be
>> > given back to the OS when its no longer needed, a great benefit for
>> > application servers.
>> >
>> > As forward compatibility is as important to the Squeak community as
>> > backward compatibility, Squeak 5 is delivers an image with identical
>> > content as the recent 4.6 release.  Although this new Squeak 5 VM
>> > cannot open images saved under the prior 4.x Cog format, objects and
>> > code can be easily exported from the 4.x image and then imported into
>> > Squeak 5.  Applications whose code runs strictly above the Smalltalk
>> > meta layer will prove remarkably compatible with the new format, most
>> > applications will require no changes whatsotever.
>> >
>> > Squeak 5 is the result of monumental effort by a tiny group of very
>> > talented people, but its also just the beginning of yet a new effort;
>> > Spur is just a stepping stone to a more ambitious goals planned over
>> > the next five years.
>> >
>> > [1] -- A Partial Read Barrier for Efficient Support of Live
>> > Object-oriented Programming
>> >
>> http://conf.researchr.org/event/ismm-2015/ismm-2015-papers-a-partial-read-barrier-for-efficient-support-of-live-object-oriented-programming
>> >
>> > [2] -- Squeak 5 Release Notes
>> > http://wiki.squeak.org/squeak/6207
>>
>>
>>
>>
>>
>
>
> --
> _,,,^..^,,,_
> best, Eliot
>



-- 
_,,,^..^,,,_
best, Eliot
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