September 2009 - Pharo-dev - lists.pharo.org

[Pharo-project] OT: vm performance

by Schwab,Wilhelm K

Hello all, Here I am referring to a vm in the OS sense. Suppose you are forced to run code on a virtual machine running on a blade computer hidden behind locked doors. Access to the machine is limited to a remote desktop connection. You suspect that the machine is far too busy for its own good. Is there any way to test that? Is there any way to separate network latency from the box being slow, or perhaps just plain busy restoring a backup to fix up the most recent crash of some piece of hardware or who-knows-what software? Something that periodically runs a lightweight benchmark and logs the results comes to mind. Is there something that is commonly used for such measurments? I would rather not add too badly to machine's workload, but it gets sloooooowwwwwww at times :( Getting some data to objectify that statement could be useful. Bill

Sept. 28, 2009

[Pharo-project] [ANN] Pharo Core #10462

by Marcus Denker

http://gforge.inria.fr/frs/download.php/23726/PharoCore-1.0-10462-BETA.zip -- Marcus Denker - http://marcusdenker.de PLEIAD Lab - Computer Science Department (DCC) - University of Chile

Sept. 28, 2009

Re: [Pharo-project] Compiler tests naming

by StÃ©phane Ducasse

cool! Stef On Sep 28, 2009, at 9:39 PM, Michael Roberts wrote: > http://code.google.com/p/pharo/issues/detail?id=1251 > > Also a number of the tests were missing methods, and some of the new > classes missing methods also. Fix in inbox for review. > > thanks, > Mike > > _______________________________________________ > Pharo-project mailing list > Pharo-project(a)lists.gforge.inria.fr > http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project

Sept. 28, 2009

Re: [Pharo-project] Compiler tests naming

by Michael Roberts

http://code.google.com/p/pharo/issues/detail?id=1251 Also a number of the tests were missing methods, and some of the new classes missing methods also. Fix in inbox for review. thanks, Mike

Sept. 28, 2009

Re: [Pharo-project] [ANN] STicky

by John M McIntosh

The Commodore C64 emulator that was on the store was taken down by the fact you could get to Commodore Basic. I have read of other language supporters who have attempted to get their language into the store and failed. But given the fact all the code is available someone could take a run at it. On 2009-09-28, at 12:22 AM, Lawson English wrote: > I wonder if a variation of that could be used in the iPhone as a legal > App Store app or apps. Since you're not actually trying to run (?) a > real program, but only learn the syntax of the language, would it get > around Apple's licensing issues for the iphone apps? Would be a pretty > decent "hook" for people to become more aware of Squeak/Smalltalk if > it > flew. -- = = = ======================================================================== John M. McIntosh <johnmci(a)smalltalkconsulting.com> Twitter: squeaker68882 Corporate Smalltalk Consulting Ltd. http://www.smalltalkconsulting.com = = = ========================================================================

Sept. 28, 2009

Re: [Pharo-project] [squeak-dev] Mac carbon VM goes to 4.2.2Beta1U

by John M McIntosh

On 2009-09-28, at 7:28 AM, Noury Bouraqadi wrote: > BTW, John, why all your VMs are always qualified beta? > From the outside, it looks strange :-) > I suggest to remove the tag. That is a historical feature. However given the maturity of the macintosh carbon VM code base, I'll remove the tag on the next iteration! = = = ======================================================================== John M. McIntosh <johnmci(a)smalltalkconsulting.com> Twitter: squeaker68882 Corporate Smalltalk Consulting Ltd. http://www.smalltalkconsulting.com = = = ========================================================================

Sept. 28, 2009

Re: [Pharo-project] Citing Pharo

by StÃ©phane Ducasse

I will add it to lse.bib :) On Sep 28, 2009, at 4:42 PM, Marcus Denker wrote: > > On 28.09.2009, at 10:27, Alexandre Bergel wrote: > >> I personally provide the url pharo-project.org >> You could maybe cite Pharo by Example > > I would cite pharo by example: > > Andrew Black, StÃ©phane Ducasse, Oscar Nierstrasz, Damien Pollet, > Damien Cassou and Marcus Denker, Pharo by Example, Square Bracket > Associates, 2009, ISBN 978-3-9523341-4-0 > > > Marcus > > > > > -- > Marcus Denker - http://marcusdenker.de > PLEIAD Lab - Computer Science Department (DCC) - University of Chile > > > _______________________________________________ > Pharo-project mailing list > Pharo-project(a)lists.gforge.inria.fr > http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project

Sept. 28, 2009

Re: [Pharo-project] Alien

by Marco Schmidt

At the moment no downloadable win32-plugin exists. Building the plugin under win32 from source is not an easy task (at least for me). Marco Schmidt 2009/9/28 Torsten Bergmann <astares(a)gmx.de>: > According to the Alien squeaksource page (wiki section) > one has to evaluate > > ScriptLoader loadLatestPackage: 'AlienLoader' from: 'http://www.squeaksource.com/Alien'. > (Smalltalk at: #AlienLoader) load > > > But this crashes in latest core #10462 while it seems to > load in core #10441. > > And my question about the state and a pointer to the alien plugin > for win32 is also still unanswered... > > Thx > T. > -- > Jetzt kostenlos herunterladen: Internet Explorer 8 und Mozilla Firefox 3.5 - > sicherer, schneller und einfacher! http://portal.gmx.net/de/go/atbrowser > > _______________________________________________ > Pharo-project mailing list > Pharo-project(a)lists.gforge.inria.fr > http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project > >

Sept. 28, 2009

[Pharo-project] Alien

by Torsten Bergmann

According to the Alien squeaksource page (wiki section) one has to evaluate ScriptLoader loadLatestPackage: 'AlienLoader' from: 'http://www.squeaksource.com/Alien'. (Smalltalk at: #AlienLoader) load But this crashes in latest core #10462 while it seems to load in core #10441. And my question about the state and a pointer to the alien plugin for win32 is also still unanswered... Thx T. -- Jetzt kostenlos herunterladen: Internet Explorer 8 und Mozilla Firefox 3.5 - sicherer, schneller und einfacher! http://portal.gmx.net/de/go/atbrowser

Sept. 28, 2009

Re: [Pharo-project] CairoGraphics

by Ken Treis

On Sep 26, 2009, at 3:21 AM, Fernando olivero wrote: > Hi Ken, > > good improvements to Alien! Thanks! > Are you are using Installer to load Alien? Would be better to put the > Alien>>#initialize into a post Install method, does Installer have > that? The AlienLoader does that, so your fixes should work. I'm not using Installer -- I suppose I should, but I'm currently just loading it from Monticello. For platform-specific sizes, I didn't do anything fancy because I think long-term this needs to be done by a primitive, perhaps at image startup. > What stuff is in Alien and not in "Alien Lite"? By "Alien Lite", I mean my little library of GemStone "UserActions" that implement just the bare minimum parts of Alien that I needed to get CairoGraphics working there. Maybe I should have called it "Alien Gaunt" or something. It assumes all floats are double-precision, only supports integral and double return values, and has a ceiling on the number of integral and double arguments that can be passed to a function [1]. Also, "Alien Lite" has no mechanism for automatic freeing of Cairo handles when Smalltalk objects are collected. Oh, and it doesn't support callbacks yet either. It's enough to make CairoGraphics work, but probably wouldn't be very useful for anything else at this point. I'm told that GemStone 3.0 is going to have a real FFI, so at that point it might make sense to create an Alien-ish layer on top of that. Ken [1] On x86_64, the first 6 integral arguments and the first 8 floating- point arguments are passed in registers, with other values passed on the stack. None of the functions I'm using in CairoGraphics have blown over that limit, so I haven't implemented the stack allocation portion and thus there's a limit on the total number of each type of argument supported. > > Fernando > > > Il giorno Sep 26, 2009, alle ore 1:59 AM, Ken Treis ha scritto: > >> On Sep 25, 2009, at 10:57 AM, StÃ©phane Ducasse wrote: >> >>> cool >> >> For anyone who's been playing with this, I just posted another new >> revision of Alien that fixes the platform sizes to match C platform >> sizes. Not sure what I was thinking in the first go-around. Anyhow, >> if >> you load Alien-Core-kdt.58 in Pharo, you'll need to re-initialize >> Alien: >> >> Alien initialize >> >> In other news, I've got CairoGraphics mostly working in GemStone >> (2.3.1) now too, running on top of an "Alien Lite" that provides >> support for the types of function calls I need to make. If anyone is >> interested in this, email me directly and I'll send you the code once >> I've worked out the remaining major bugs. >> >> >> Ken >> >>> >>> >>> On Sep 25, 2009, at 7:19 PM, Ken Treis wrote: >>> >>>> Hi Damien, >>>> >>>> Yes it definitely works -- at least for me, on Mac OS X. Recent VMs >>>> from John McIntosh have the plugin already, though on the mac it >>>> only searches for libraries in a few select places and it doesn't >>>> accept absolute paths. Hopefully this will be resolved soon; for >>>> now >>>> I've symlinked the library into my Squeak VM's plugins folder. >>>> >>>> On Linux you may have to compile a VM yourself to get the plugin; I >>>> know it's in the VM source tree. >>>> >>>> For a quick demo, try: >>>> >>>>> |image cr backgroundGradient textGradient| >>>>> image := CRImageSurface format: CRFormat argb32 extent: 300@200. >>>>> cr := image context. >>>>> backgroundGradient := CRLinearGradient from: 0@0 to: 150@200. >>>>> backgroundGradient addStopAt: 0 color: Color white. >>>>> backgroundGradient addStopAt: 1 color: Color lightGray. >>>>> cr >>>>> source: backgroundGradient; >>>>> paint. >>>>> cr moveTo: 30@100. >>>>> cr >>>>> selectFontFace: 'Sans'; >>>>> fontSize: 40. >>>>> cr textPath: 'Hello, World!'. >>>>> cr >>>>> source: Color green; >>>>> strokePreserve. >>>>> textGradient := CRLinearGradient from: 0@50 to: 300@50. >>>>> textGradient addStopAt: 0 color: Color blue alpha: 0.2. >>>>> textGradient addStopAt: 1 color: Color blue alpha: 0.8. >>>>> cr >>>>> source: textGradient; >>>>> fill. >>>>> image writeToPng: '/Users/kdt/Desktop/hello.png'. >>>> >>>> This isn't anything super exciting to look at, but if you've got >>>> the >>>> IA32ABI plugin and have set up CRLibrary class>>libraryPath to >>>> point >>>> to the Cairo library, you should be able to see the output >>>> (attached). I'll try to post a more impressive demo soon. >>>> >>>> >>>> Ken >>>> >>>> On Sep 25, 2009, at 2:08 AM, Damien Cassou wrote: >>>> >>>>> Hi Ken, >>>>> >>>>> I'm going to have 4 students working during 4 months on >>>>> Smalltalk. I >>>>> would like to get a Cairo working implementation. What about >>>>> yours/Travis'? What can we do with it? Can we draw something in >>>>> Pharo? >>>>> Does it work? >>>>> >>>>> Thank you >>>>> >>>>> -- >>>>> Damien Cassou >>>>> http://damiencassou.seasidehosting.st >>>>> >>>>> "Lambdas are relegated to relative obscurity until Java makes them >>>>> popular by not having them." James Iry >>>> >>>> -- >>>> Ken Treis >>>> Miriam Technologies, Inc. >>>> <hello.png>_______________________________________________ >>>> Pharo-project mailing list >>>> Pharo-project(a)lists.gforge.inria.fr >>>> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project >>> >>> >>> _______________________________________________ >>> Pharo-project mailing list >>> Pharo-project(a)lists.gforge.inria.fr >>> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project >> >> -- >> Ken Treis >> Miriam Technologies, Inc. >> >> >> _______________________________________________ >> Pharo-project mailing list >> Pharo-project(a)lists.gforge.inria.fr >> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project > > > _______________________________________________ > Pharo-project mailing list > Pharo-project(a)lists.gforge.inria.fr > http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project -- Ken Treis Miriam Technologies, Inc.

Sept. 28, 2009