Squeak-dev July 2008

squeak-dev@lists.squeakfoundation.org

136 participants
183 discussions

Different squeak-dev flavors 2
by Ken G. Brown 04 Jul '08

04 Jul '08

At 5:00 AM -0700 7/4/08, squeak-dev-request(a)lists.squeakfoundation.org apparently wrote: >Date: Fri, 4 Jul 2008 13:49:21 +0200 >From: "Damien Cassou" <damien.cassou(a)gmail.com> >Subject: [squeak-dev] Different squeak-dev flavors 2 >To: "The general-purpose Squeak developers list" > <squeak-dev(a)lists.squeakfoundation.org> >Message-ID: > <6ac749c10807040449i74a6105etda14986d34599096(a)mail.gmail.com> >Content-Type: text/plain; charset=ISO-8859-1 > >Hi again, > >the discussions on the other thread are interesting but you forgot to >answer my questions. I would like to know what are the different >flavors you want to see in the future? > >Two polls are available to help me. > >Base squeak-dev images >http://www.doodle.ch/5u67s53greapfdu6 > >Squeak-dev beta packages: >http://www.doodle.ch/9y9r6nr2imci8g38 > >Please also comment on your votes. Doodle allows you to write comments. > >On Monday, I will try to make a proposal based on your votes and comments. > >-- >Damien Cassou >Peter von der AhÈ: ´I'm beginning to see why Gilad wished us good >luckª. (http://blogs.sun.com/ahe/entry/override_snafu) I'd like to see the stuff added to the basic 3.10.2 to make the dev version include all their tests, and have all tests green. Ken G. Brown

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Joshua Gargus?
by Ken Causey 04 Jul '08

04 Jul '08

I'm trying to contact Joshua Gargus regarding an update needed for the SqueakMap entry for the package Cassowary but the email address for him on SqueakMap is now invalid. If someone can contact him please forward this email to him. Thank you, Ken

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Mantis in browser
by Keith Hodges 04 Jul '08

04 Jul '08

Mantis users, I have written a task which scrapes all of the mantis data into a rough and ready form which can be browsed in a class browser. Its not the most elegant solution, but it does allow you to flick through things rapidly, and I plan to find a number of other uses for it. Its quite a big download so I though it best not to burden squeaksource with it. If you cant get ftp.warwick.st to respond try squeak.warwick.st This is available at squeak(a)squeak.warwick.st/mc password: viewpoints best regards Keith === btw: I tried to categorise these methods to make them more useful but for some reason when I used #classify:under: the source would disappear completely.

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Mantis in browser
by Keith Hodges 04 Jul '08

04 Jul '08

Mantis users, I have written a task which scrapes all of the mantis data into a rough and ready form which can be browsed in a class browser. Its not the most elegant solution, but it does allow you to flick through things rapidly, and I plan to find a number of other uses for it. Its quite a big download so I though it best not to burden squeaksource with it. This is available at squeak(a)ftp.warwick.st/mc password: viewpoints best regards Keith === btw: I tried to categorise these methods to make them more useful but for some reason when I used #classify:under: the source would disappear completely.

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Different squeak-dev flavors 2
by Damien Cassou 04 Jul '08

04 Jul '08

Hi again, the discussions on the other thread are interesting but you forgot to answer my questions. I would like to know what are the different flavors you want to see in the future? Two polls are available to help me. Base squeak-dev images http://www.doodle.ch/5u67s53greapfdu6 Squeak-dev beta packages: http://www.doodle.ch/9y9r6nr2imci8g38 Please also comment on your votes. Doodle allows you to write comments. On Monday, I will try to make a proposal based on your votes and comments. -- Damien Cassou Peter von der Ahé: «I'm beginning to see why Gilad wished us good luck». (http://blogs.sun.com/ahe/entry/override_snafu)

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Squeaklets on USB flash
by K. K. Subramaniam 04 Jul '08

04 Jul '08

Hi, ProjectLoading saves a copy of all loaded projects in Squeaklets directory even when the files come from local sources. This is annoying when running Squeak off a flash memory chip. The attached change set skips this caching behavior. This change is rather harsh and will increase loading latency those who save/load projects off a remote server. I suspect such folks would already have a proxy caching server. Does anyone have a better idea? Subbu

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LargeInteger negative bitShift (Rshift) not optimized on byte boundary?
by nicolas cellier 04 Jul '08

04 Jul '08

I tested this: | x | x := SmallInteger maxVal raisedToInteger: 100. {Time millisecondsToRun: [100000 timesRepeat: [x byteShift: -200]]. Time millisecondsToRun: [100000 timesRepeat: [x bitShift: -1600]]. Time millisecondsToRun: [100000 timesRepeat: [x bitShift: -1597]]}. And got that: #(95 164 172) That means that case of exact byte boundary is not optimized for Rshift. As shown below, it is optimized for LShift: | x | x := SmallInteger maxVal raisedToInteger: 100. {Time millisecondsToRun: [100000 timesRepeat: [x byteShift: 200]]. Time millisecondsToRun: [100000 timesRepeat: [x bitShift: 1600]]. Time millisecondsToRun: [100000 timesRepeat: [x bitShift: 1597]]}. #(103 120 315) Notice that Rshift seems more efficient than Lshift on non byte boundary (nBits \\ 8 ~= 0)... Well, speed factor is not major (<2) but I would expect performance from these low level primitives... Ah, the byteShift: code is here if you wanna try: LargePositiveInteger>>byteShift: n "shift by bytes, which is faster than bits when n < 0" | shifted | n = 0 ifTrue: [^ self]. n > 0 ifTrue: [ shifted := self class new: self digitLength + n. shifted replaceFrom: n+1 to: self digitLength + n with: self startingAt: 1. ^ shifted]. self digitLength + n <= 0 ifTrue: [^0]. shifted := self class new: self digitLength + n. shifted replaceFrom: 1 to: self digitLength + n with: self startingAt: 1 - n. ^ shifted normalize Which could also be written: LargePositiveInteger>>byteShift: n "shift by bytes, which is faster than bits when n < 0" | shifted | n = 0 ifTrue: [^ self]. self digitLength + n <= 0 ifTrue: [^0]. shifted := self class new: self digitLength + n. shifted replaceFrom: (1 max: 1 + n) to: self digitLength + n with: self startingAt: (1 max: 1 - n). ^ shifted normalize

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ESUG Awards: first submissions on-line
by Noury Bouraqadi 04 Jul '08

04 Jul '08

Hi, As you can see on http://www.esug.org/conferences/awards2008/ some submissions are commercial products, while others are free software. Dialects vary (Dolphin, Squeak, VisualWorks, ...). And different countries are represented with a strong presence of Argentina. Your country or organization isn't listed? You still have 2 days to submit your software. Please feel free to send me your questions, Noury ------------------------------------------------------------------ Dr. Noury Bouraqadi - Enseignant/Chercheur Responsable de l'enseignement de l'informatique ARMINES - Ecole des Mines de Douai - Dept. I.A. http://vst.ensm-douai.fr/noury European Smalltalk Users Group Board http://www.esug.org ------------------------------------------------------------------

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Stephen Pair?
by Ken Causey 03 Jul '08

03 Jul '08

I'm trying to reach Stephen Pair to request an update to the Berkeley DB Plugin Entry on SqueakMap but the email address for him in SqueakMap appears to be invalid now. If anyone has an updated email address for him I would appreciate getting it. Ken

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The Primitive: I am not a number- I am a named prim! - SqueakPeople article
by tim Rowledge 03 Jul '08

03 Jul '08

I am trying to make time to post a few articles on some future directions I consider interesting for the core system. First one is up at http://people.squeakfoundation.org/article/89.html - do please comment on the relevant page, or even here. tim -- tim Rowledge; tim(a)rowledge.org; http://www.rowledge.org/tim Oxymorons: New classic

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