- Pharo-dev - lists.pharo.org

Re: [Pharo-project] squeaksource down

by GermÃ¡n Arduino

Thanks Tobias! 2011/8/26 Tobias Pape <Das.Linux(a)gmx.de>: > I hope to provide further information on that > topic, especially providing a path for the projects seriously > storing on ss3.â¦/ss to outlive the alpha phase. > > Please stay tuned. > > Best > Â Â Â Â -Tobias > > Am 2011-08-26 um 11:40 schrieb Max Leske: > >> I feared so. Was nice hoping for a moment though :/ >> >> >> On 26.08.2011, at 12:14, Frank Shearar wrote: >> >>> On 26 August 2011 08:21, Max Leske <maxleske(a)gmail.com> wrote: >>>> Since squeaksource is down againâ¦ Does it make sense to move my own projects to ss3.gemstone.com/ss? >>> >>> With everyone moving their projects to ss3 perhaps it seems prudent to >>> remember that ss3 is in _alpha_ and they're quite clear that the >>> current phase is purely for testing: "The contents of this repository >>> will NOT survive beyond the lifetime of the public Alpha. DO NOT store >>> anything you are not willing to lose in this repository." >>> >>> frank >>> >> >> > > >

Aug. 26, 2011

Re: [Pharo-project] squeaksource down

by Tobias Pape

I hope to provide further information on that topic, especially providing a path for the projects seriously storing on ss3.â¦/ss to outlive the alpha phase. Please stay tuned. Best -Tobias Am 2011-08-26 um 11:40 schrieb Max Leske: > I feared so. Was nice hoping for a moment though :/ > > > On 26.08.2011, at 12:14, Frank Shearar wrote: > >> On 26 August 2011 08:21, Max Leske <maxleske(a)gmail.com> wrote: >>> Since squeaksource is down againâ¦ Does it make sense to move my own projects to ss3.gemstone.com/ss? >> >> With everyone moving their projects to ss3 perhaps it seems prudent to >> remember that ss3 is in _alpha_ and they're quite clear that the >> current phase is purely for testing: "The contents of this repository >> will NOT survive beyond the lifetime of the public Alpha. DO NOT store >> anything you are not willing to lose in this repository." >> >> frank >> > >

Aug. 26, 2011

Re: [Pharo-project] [Vm-dev] The serverMode flag and some thoughts on event polling

by David T. Lewis

On Thu, Aug 25, 2011 at 01:01:10PM -0400, Dimitry Golubovsky wrote: > > Hi, > > [this is not really about VM alone, but rather how image and VM > interact - hence posting to multiple lists] Dimitry, Thank you for this detailed and helpful explanation. I hope it generates some follow up discussion. Dave > > In the process of porting Cog to Android, I observed the following > pattern. If a scrollbar's "up" or "down" button is held pressed > (prolonged tap on a button) for few seconds, the VM freezes, and gets > killed by Android. Digging down the code got me to the > WorldState>>interCyclePause: method. When there are morphs requesting > stepping by shorter than certain time interval, the process > responsibke for running step methods keeps looping without giving up > to lower priority processes (and the host OS). ScrollBar seems to > decrease the stepping interval over time to simulate accelerated > scrolling. > > In order to port Cog to Android, I turned it into an event-driven VM > based on ideas found in [1]. The same was done by Andreas for his > earlier Classic VM port. My approach is a bit different such as the > longjmp call is made as part of the relinquishProcessor primitive. > Such primitive is called only from the lowest priority (idle) process > which only can run when there are no external events to deal with. The > event-driven VM needs to exit from the interpreter to the host process > in order to obtain any input events. Thus, non-interrupted polling > just deadlocks the interpreter as it cannot exit to the host process > to get more events, yet keeps polling for them. > > The serverMode flag [2] (aka Mantis #6581) came to rescue. With such > flag set to true, polling for events always yields CPU for 50ms (which > in the Android case is meaningless anyway: I would not give the VM > idle timer more often than 10 times per sec, so 50ms granularity is > just not handleable). Anyway this does the trick as the lowest > priority process gets its CPU time, and exits the interpreter to the > host process. With serverMode = true I can tap a scroller button as > long as I want, and even the text cursor in a workspace keeps blinking > which means that stepping works and VM is alive. BTW in Android, the > interpreter will be called as soon as any user action is intercepted, > so responsiveness is not degraded regardless of the delay introduced > by serverMode. > > I have found at least one place (this is in PharoCore) where > serverMode is not honored: PolygonMorph class >> fromHand: (this > method creates a polygon drawn by the mouse) > > This method has code pieces (repeating multiple times btw - why is it > not a separate method?) > > [Sensor anyButtonPressed] whileFalse: > [self currentWorld displayWorldSafely; runStepMethods]. > > which is clearly grabbing the event sensor to the polygon morph while > keeping other morphs stepped, so the VM does not seem dead entirely. > In my case though executing PolygonMorph fromHand: defaultHand freezes > the VM immediately as this is uninterrupted polling again. > > While I'll try to experiment with inserting interCyclePause somewhere > in these loops, there are broader questions on how event polling is > done these days: > > 1. Are there other morphs in packages not included in PharoCore where > event grabbing is done such way? > > 1a. Is this possible in general to have such functionality properly > embedded in WorldState instead of having it in a morph itself, if > event grabbing is needed? > > 2. Are there images in active development (other than PharoCore, and > Squeak) where event polling is done without an option to relinquish > processor? > > In fact, this VM freezing on stepping morphs was a big issue, and it > mainly kept me from moving towards the public release. Now that it > seems to be solved (unless there is a flaw in my logic above) it takes > me closer to finishing the Cog for Android port. > > Thanks. > > ------------------------------------------ > [1] http://lists.squeakfoundation.org/pipermail/vm-dev/2009-November/003385.html > [2] http://bugs.squeak.org/view.php?id=6581 > > -- > Dimitry Golubovsky > > Anywhere on the Web

Aug. 26, 2011

Re: [Pharo-project] CI down?

by Marcus Denker

On Aug 26, 2011, at 11:37 AM, Sean P. DeNigris wrote: > > Pavel Krivanek-3 wrote: >> >> The CI server https://ci.lille.inria.fr/pharo/ is not responding. Is it >> down? >> > > 502 Proxy Error > > The proxy server received an invalid response from an upstream server. > The proxy server could not handle the request GET /pharo/. > > Reason: Error reading from remote server I send a mail to INRIA support... -- Marcus Denker -- http://marcusdenker.de

Aug. 26, 2011

Re: [Pharo-project] squeaksource down

by Max Leske

I feared so. Was nice hoping for a moment though :/ On 26.08.2011, at 12:14, Frank Shearar wrote: > On 26 August 2011 08:21, Max Leske <maxleske(a)gmail.com> wrote: >> Since squeaksource is down againâ¦ Does it make sense to move my own projects to ss3.gemstone.com/ss? > > With everyone moving their projects to ss3 perhaps it seems prudent to > remember that ss3 is in _alpha_ and they're quite clear that the > current phase is purely for testing: "The contents of this repository > will NOT survive beyond the lifetime of the public Alpha. DO NOT store > anything you are not willing to lose in this repository." > > frank >

Aug. 26, 2011

Re: [Pharo-project] CI down?

by Sean P. DeNigris

Pavel Krivanek-3 wrote: > > The CI server https://ci.lille.inria.fr/pharo/ is not responding. Is it > down? > 502 Proxy Error The proxy server received an invalid response from an upstream server. The proxy server could not handle the request GET /pharo/. Reason: Error reading from remote server -- View this message in context: http://forum.world.st/CI-down-tp3770259p3770490.html Sent from the Pharo Smalltalk mailing list archive at Nabble.com.

Aug. 26, 2011

Re: [Pharo-project] [Vm-dev] Cog in Jenkis has brokken finalization

by Igor Stasenko

well, i disabled those jobs and put a comments everywhere: This job has moved to Jenkins server.... the problem that windows slave refusing to work with jenkins, so all windows jobs are currently still on Hudson On 26 August 2011 09:53, Mariano Martinez Peck <marianopeck(a)gmail.com> wrote: > > > > On Thu, Aug 25, 2011 at 5:40 PM, Marcus Denker <marcus.denker(a)inria.fr> wrote: >> >> On Aug 25, 2011, at 5:34 PM, Igor Stasenko wrote: >> >> > On 25 August 2011 14:38, Mariano Martinez Peck <marianopeck(a)gmail.com> wrote: >> >> >> >> Hi guys. The linux Cog VM from hudson has broken the finalization. Â Just run the WeakRegistryTest and you will see the broken test. Â It might happened because of the ephemerons because Eliot's VM works correctly. >> >> Even more, the VM from Jenkis is correct. So....I would remove the broken one from Hudson. >> >> >> > >> > I migrated unix and windows VM jobs to Jenkins. >> > Please use VMs built on Jenkins servers. >> > >> >> Can we delete the Hudson projects? Just to avoid confusion? >> > > That was all my email about in fact > >> >> -- >> Marcus Denker -- http://marcusdenker.de >> >> > > > > -- > Mariano > http://marianopeck.wordpress.com > > > -- Best regards, Igor Stasenko AKA sig.

Aug. 26, 2011

Re: [Pharo-project] squeaksource down

by Frank Shearar

On 26 August 2011 08:21, Max Leske <maxleske(a)gmail.com> wrote: > Since squeaksource is down againâ¦ Does it make sense to move my own projects to ss3.gemstone.com/ss? With everyone moving their projects to ss3 perhaps it seems prudent to remember that ss3 is in _alpha_ and they're quite clear that the current phase is purely for testing: "The contents of this repository will NOT survive beyond the lifetime of the public Alpha. DO NOT store anything you are not willing to lose in this repository." frank

Aug. 26, 2011

Re: [Pharo-project] Filesystem in collab book

by Max Leske

It's still in the queue. Max On 26.08.2011, at 11:18, StÃ©phane Ducasse wrote: > I hate git and github because I have to go a web page to see if people issued pull request. > Do you know if your pull requests has been integrated? > > Stef > > On Aug 26, 2011, at 9:58 AM, Max Leske wrote: > >> Again, what about that Git chapter? >> >> Max >> >> >> On 26.08.2011, at 09:03, StÃ©phane Ducasse wrote: >> >>> Thanks a lot for that max >>> >>> Stef >>> >>> On Aug 26, 2011, at 6:47 AM, Max Leske wrote: >>> >>>> No, I wasn't aware of that chapter. I'll do a pass on it and also on the Filesystem chapter (Camillo's changes should be reflected), which I originally wanted to do months agoâ¦ >>>> >>>> I should be done by next week. >>>> >>>> Max >>>> >>>> >>>> On 25.08.2011, at 22:32, StÃ©phane Ducasse wrote: >>>> >>>>> Thanks. >>>>> >>>>> Max did you see the chapter in the new pharo book on git? >>>>> Because I should do a pass on it but anybody is welcome. >>>>> >>>>> Stef >>>>> >>>>> On Aug 25, 2011, at 8:38 PM, Max Leske wrote: >>>>> >>>>>> I wrote a few lines on Filesystem in the collab book: http://book.pharo-project.org/book/PharoTools/Filesystem/ >>>>>> >>>>>> Please take a look and let me know if you'd like to see any changes. >>>>>> >>>>>> Cheers, >>>>>> Max >>>>> >>>>> >>>> >>>> >>> >>> >> >> > >

Aug. 26, 2011

Re: [Pharo-project] Filesystem in collab book

by StÃ©phane Ducasse

I hate git and github because I have to go a web page to see if people issued pull request. Do you know if your pull requests has been integrated? Stef On Aug 26, 2011, at 9:58 AM, Max Leske wrote: > Again, what about that Git chapter? > > Max > > > On 26.08.2011, at 09:03, StÃ©phane Ducasse wrote: > >> Thanks a lot for that max >> >> Stef >> >> On Aug 26, 2011, at 6:47 AM, Max Leske wrote: >> >>> No, I wasn't aware of that chapter. I'll do a pass on it and also on the Filesystem chapter (Camillo's changes should be reflected), which I originally wanted to do months agoâ¦ >>> >>> I should be done by next week. >>> >>> Max >>> >>> >>> On 25.08.2011, at 22:32, StÃ©phane Ducasse wrote: >>> >>>> Thanks. >>>> >>>> Max did you see the chapter in the new pharo book on git? >>>> Because I should do a pass on it but anybody is welcome. >>>> >>>> Stef >>>> >>>> On Aug 25, 2011, at 8:38 PM, Max Leske wrote: >>>> >>>>> I wrote a few lines on Filesystem in the collab book: http://book.pharo-project.org/book/PharoTools/Filesystem/ >>>>> >>>>> Please take a look and let me know if you'd like to see any changes. >>>>> >>>>> Cheers, >>>>> Max >>>> >>>> >>> >>> >> >> > >

Aug. 26, 2011