- Pharo-dev - lists.pharo.org

Re: [Pharo-dev] Pharo Launcher for Windows

by Thierry Goubier

2014-11-14 9:57 GMT+01:00 Nicolai Hess <nicolaihess(a)web.de>: > 2014-11-14 9:29 GMT+01:00 Thierry Goubier <thierry.goubier(a)gmail.com>: > >> Hi all, >> >> does anybody knows if the Pharo Launcher is working in Windows? I tried >> on different Windows 7 machines, but it would work nor give any error >> message at all. >> >> (Note: Pharo3 windows distribution did work). >> >> Thanks, >> >> Thierry >> > > > I use pharolauncher on windows. At home I used the pharolauncher windows > installer once. I don't remember if this > still works. Currently I use the a normal pharo vm and the pharolauncher > image. > Yes, I would suspect this would work (using a normal Pharo vm and the PharoLauncher image) but I would have liked to use the PharoLauncher as the gateway to install a specific Pharo image from Jenkins, and it won't work that way. I basically have an issue for installing Pharo for the lecture I do (configuration management in both places I teach is rather poor) and I was trying windows for a change :( Thierry

Nov. 14, 2014

ValueHolder analysis

by Alain Plantec

Hi guys (this is stef hijacking the account of alain). I was puzzled by the fact that each value holder has its own announcer. Iâm trying to understand the pros and cons. Stef Announcer allInstances size 5417 Announcer allInstances collect: #numberOfSubscriptions #(0 1 2 3 51 0 16 1 16 3 0 2 12 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 0 2 1 16 1 2 1 1 9 1 0 0 2 37 1 5 1 2 1 1 12 0 0 0 0 0 0 0 0 0 1 0 2 1 16 1 2 1 1 9 1 0 0 2 35 0 1 5 1 2 1 1 12 0 2 2 2 4 2 1 0 0 2 2 2 2 3 2 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 2 0 0 2 0 1 0 0 0 0 0 0 0 0 0 2 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 0 2 2 2 4 2 1 0 0 2 2 2 2 3 2 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 2 2 2 4 2 1 0 0 2 2 2 2 3 2 0 0 0 0 1 1 0 0 0 1 1 0 0 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 1 1 0 1 1 0 0 0 0 0 0 1 1 1 2 1 1 0 0 0 0 1 0 1 1 1 0 0 1 1 1 0 1 1 0 0 0 0 0 0 1 1 1 1 1 1 1 0 0 0 0 1 0 0 0 1 1 1 0 1 1 0 0 0 0 0 0 1 1 1 2 1 1 0 0 0 0 1 0 1 1 1 0 0 1 1 1 0 1 1 0 0 0 0 0 0 1 1 1 1 1 1 1 0 0 0 0 1 0 0 0 1 1 1 0 1 1 0 0 0 0 0 0 1 1 1 2 1 1 0 0 0 0 1 0 1 1 1 0 0 1 1 1 0 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1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 4 2 1 0 0 2 2 2 2 3 2 0 0 0 0 0 0 2 0 0 0 0 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 4 2 0 1 0 0 2 2 2 2 3 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 4 2 0 1 0 0 2 2 2 2 3 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0)

Nov. 14, 2014

Re: [Pharo-dev] Pharo on Online Labs ARM cloud server ?

by Norbert Hartl

I would be interested to know, too. JB did a fine job building a StackVM including an ARM fastbitblt. I have it running on my raspberry. It would good to know how to work of Doug is related to JBs work. And of course we are waiting for Tim Rowledge to release Cog for ARM. Norbert > Am 14.11.2014 um 09:46 schrieb stepharo <stepharo(a)free.fr>: > > JB has some jenkins job but I do not know their status. > JB? > Stef > > On 13/11/14 23:34, Sven Van Caekenberghe wrote: >> Hi, >> >> I just saw this: http://labs.online.net which offers real ARM cloud servers (15 minutes for free to try out) [they're French]. This is Ubuntu 14.10 on ARMv7. >> >> Naturally I wanted to try Pharo on such a machine. >> >> The base question is, where do I get the latest and best VM to try this ? >> >> Maybe a complete & easy to use source tree that can be compiled locally ? >> >> And would it make sense to add some ARM option to get.pharo.org ? >> >> Thx, >> >> Sven >> > >

Nov. 14, 2014

Re: [Pharo-dev] Pharo Launcher for Windows

by Nicolai Hess

2014-11-14 9:29 GMT+01:00 Thierry Goubier <thierry.goubier(a)gmail.com>: > Hi all, > > does anybody knows if the Pharo Launcher is working in Windows? I tried on > different Windows 7 machines, but it would work nor give any error message > at all. > > (Note: Pharo3 windows distribution did work). > > Thanks, > > Thierry > I use pharolauncher on windows. At home I used the pharolauncher windows installer once. I don't remember if this still works. Currently I use the a normal pharo vm and the pharolauncher image.

Nov. 14, 2014

Re: [Pharo-dev] Pharo on Online Labs ARM cloud server ?

by stepharo

JB has some jenkins job but I do not know their status. JB? Stef On 13/11/14 23:34, Sven Van Caekenberghe wrote: > Hi, > > I just saw this: http://labs.online.net which offers real ARM cloud servers (15 minutes for free to try out) [they're French]. This is Ubuntu 14.10 on ARMv7. > > Naturally I wanted to try Pharo on such a machine. > > The base question is, where do I get the latest and best VM to try this ? > > Maybe a complete & easy to use source tree that can be compiled locally ? > > And would it make sense to add some ARM option to get.pharo.org ? > > Thx, > > Sven >

Nov. 14, 2014

Pharo Launcher for Windows

by Thierry Goubier

Hi all, does anybody knows if the Pharo Launcher is working in Windows? I tried on different Windows 7 machines, but it would work nor give any error message at all. (Note: Pharo3 windows distribution did work). Thanks, Thierry

Nov. 14, 2014

Re: [Pharo-dev] Pharo on Online Labs ARM cloud server ?

by ClÃ©ment Bera

There was a mail from Doug McPherson recently about that. *Pre-built Squeak stack and stack/spur VMs for ARMv6 (i.e. Raspberry Pi) and ARMv7 (i.e. BeagleBone Black, Parallella, numerous Chromebooks, etc) are now available at the same location as the other Cog and Spur VMs. * *( http://www.mirandabanda.org/files/Cog/VM/VM.r3126/ <http://www.mirandabanda.org/files/Cog/VM/VM.r3126/> ). * *Bug reports, questions, and comments welcome.* 2014-11-14 1:02 GMT+01:00 Eliot Miranda <eliot.miranda(a)gmail.com>: > Hi Sven, > > On Thu, Nov 13, 2014 at 2:34 PM, Sven Van Caekenberghe <sven(a)stfx.eu> > wrote: > >> Hi, >> >> I just saw this: http://labs.online.net which offers real ARM cloud >> servers (15 minutes for free to try out) [they're French]. This is Ubuntu >> 14.10 on ARMv7. >> >> Naturally I wanted to try Pharo on such a machine. >> >> The base question is, where do I get the latest and best VM to try this ? >> > > Doug McPherson is building Stack VMs for ARMv6 and ARMv7 for both Cog and > Spur and uploading them to my site. These VMs should run Pharo. See e.g. > http://www.mirandabanda.org/files/Cog/VM/VM.r3126/ > > Maybe a complete & easy to use source tree that can be compiled locally ? >> > > That's the case for http://www.squeakvm.org/svn/squeak/branches/Cog. > See http://www.squeakvm.org/svn/squeak/branches/Cog/build.linux32ARM > > And would it make sense to add some ARM option to get.pharo.org ? >> >> Thx, >> >> Sven >> > > > > -- > best, > Eliot >

Nov. 14, 2014

Re: [Pharo-dev] Pharo on Online Labs ARM cloud server ?

by Eliot Miranda

Hi Sven, On Thu, Nov 13, 2014 at 2:34 PM, Sven Van Caekenberghe <sven(a)stfx.eu> wrote: > Hi, > > I just saw this: http://labs.online.net which offers real ARM cloud > servers (15 minutes for free to try out) [they're French]. This is Ubuntu > 14.10 on ARMv7. > > Naturally I wanted to try Pharo on such a machine. > > The base question is, where do I get the latest and best VM to try this ? > Doug McPherson is building Stack VMs for ARMv6 and ARMv7 for both Cog and Spur and uploading them to my site. These VMs should run Pharo. See e.g. http://www.mirandabanda.org/files/Cog/VM/VM.r3126/ Maybe a complete & easy to use source tree that can be compiled locally ? > That's the case for http://www.squeakvm.org/svn/squeak/branches/Cog. See http://www.squeakvm.org/svn/squeak/branches/Cog/build.linux32ARM And would it make sense to add some ARM option to get.pharo.org ? > > Thx, > > Sven > -- best, Eliot

Nov. 14, 2014

Re: [Pharo-dev] [Vm-dev] Re: How to check whether the handle is always valid with NativeBoost ?

by Igor Stasenko

On 13 November 2014 18:37, Eliot Miranda <eliot.miranda(a)gmail.com> wrote: > > Hi Vincent, > > one way, used in VisualWorks, is to ensure that only valid handles > exist. So very early at startup the system does some allInstances > invocations on the classes of handles and invalidates all the handles > found. This doesn't fix handles stored as raw integers anywhere, but > provided the system is designed to have specific objects for external > handles (and I hope it is) this shouldn't happen. > > Since snapshot is relatively rare and start-up relatively frequent (at > least in e.g. a web deployment context), one performance improvement is to > do the allInstances before snapshot, and then merely enumerate the > collection of handles, rather than use allInstances. > > Just to add: - (re)validating external resources could vary depending on library or how short/long-lived the resource is etc. As you described, one of the scenarios is to flush invalid handles at system startup. In NB i using session checking, to do it lazily, once there's an attempt to use external resource. But all that, of course, doesn't addresses the problem when external resource get invalidated, for one or another reason, during same session. Using proxy to control each and every access to external resource is, of course, an ultimate solution, but alas, quite expensive since imposes high overhead. I would call it a brute-force solution. To minimize overhead, my approach often is to place a check at key entry part of algorithm, so if check passed, then rest of algorithm can run safely without excessive checking. But that really depends on design of external library/framework, whether it possible or not. Usually, if you cleverly organize the access to services, it is possible to do it without using brute-force proxyfying. On Thu, Nov 13, 2014 at 9:05 AM, Blondeau Vincent < > vincent.blondeau(a)worldline.com> wrote: > >> Hi ! >> >> >> >> I am doing a binding to the R library with NativeBoost. >> >> So I create some external objects and apply some functions on them. >> >> >> >> If the handle to the object is not valid, either the function crashes or >> gives a bad result. >> >> >> >> How can I ensure to have a valid pointer at anytime ? >> >> >> >> I see two solutions: >> >> - Either check at any NativeBoost call that the handle is valid >> (by checking the session id) >> >> - Or do a proxy that checks the session and recreate the >> external object. >> >> >> >> What do you think ? >> >> >> >> Thanks in advance, >> >> >> >> Cheers, >> >> Vincent BLONDEAU >> >> >> >> ------------------------------ >> >> Ce message et les piÃ¨ces jointes sont confidentiels et rÃ©servÃ©s Ã l'usage >> exclusif de ses destinataires. Il peut Ã©galement Ãªtre protÃ©gÃ© par le secret >> professionnel. Si vous recevez ce message par erreur, merci d'en avertir >> immÃ©diatement l'expÃ©diteur et de le dÃ©truire. L'intÃ©gritÃ© du message ne >> pouvant Ãªtre assurÃ©e sur Internet, la responsabilitÃ© de Worldline ne pourra >> Ãªtre recherchÃ©e quant au contenu de ce message. Bien que les meilleurs >> efforts soient faits pour maintenir cette transmission exempte de tout >> virus, l'expÃ©diteur ne donne aucune garantie Ã cet Ã©gard et sa >> responsabilitÃ© ne saurait Ãªtre recherchÃ©e pour tout dommage rÃ©sultant d'un >> virus transmis. >> >> This e-mail and the documents attached are confidential and intended >> solely for the addressee; it may also be privileged. If you receive this >> e-mail in error, please notify the sender immediately and destroy it. As >> its integrity cannot be secured on the Internet, the Worldline liability >> cannot be triggered for the message content. Although the sender endeavours >> to maintain a computer virus-free network, the sender does not warrant that >> this transmission is virus-free and will not be liable for any damages >> resulting from any virus transmitted. >> > > > > -- > best, > Eliot > > -- Best regards, Igor Stasenko.

Nov. 13, 2014

Pharo on Online Labs ARM cloud server ?

by Sven Van Caekenberghe

Hi, I just saw this: http://labs.online.net which offers real ARM cloud servers (15 minutes for free to try out) [they're French]. This is Ubuntu 14.10 on ARMv7. Naturally I wanted to try Pharo on such a machine. The base question is, where do I get the latest and best VM to try this ? Maybe a complete & easy to use source tree that can be compiled locally ? And would it make sense to add some ARM option to get.pharo.org ? Thx, Sven

Nov. 13, 2014