Julia vs Pharo
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Hi all,
I find a recent paper about Julia that might be appealing for people interested in doing scientific computation in Pharo (like the SciSmalltalk community) : http://arxiv.org/pdf/1411.1607v1.pdf "Julia: A fresh approach to numerical computing" Julia is a new dynamic programming language for scientific programming with much higher performance than R or Python. I found that some concepts are quite closed to Pharo in fact: - meta-programming and code generation - arbitrary precision integer - JIT compiler (based on LLVM) - call to C API What is missing in Pharo at the moment: - multiple dispatch - arbitrary precision float - dynamic dataflow type inference - optional type annotations (maybe with pluggable type extensions for Pharo ?) - special matrices types like spares or dense matrix, tri-diagonal, etc ... - vectorization Regards, -- Serge Stinckwich UCBN & UMI UMMISCO 209 (IRD/UPMC) Help fight Ebola by joining the Computing for Ebola Challenge http://bit.ly/1oEdBag -- You received this message because you are subscribed to the Google Groups "Smalltalk Research" group. To unsubscribe from this group and stop receiving emails from it, send an email to [hidden email]. For more options, visit https://groups.google.com/d/optout. |
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Hi Serge!
Thanks for sharing this. I indeed believe that scientific computing will play a big role in Pharo adoption by a large public Alexandre > On Nov 15, 2014, at 2:57 PM, Serge Stinckwich <[hidden email]> wrote: > > Hi all, > > I find a recent paper about Julia that might be appealing for people > interested in doing scientific computation in Pharo (like the > SciSmalltalk community) : http://arxiv.org/pdf/1411.1607v1.pdf > "Julia: A fresh approach to numerical computing" > > Julia is a new dynamic programming language for scientific programming > with much higher performance than R or Python. > > I found that some concepts are quite closed to Pharo in fact: > > - meta-programming and code generation > - arbitrary precision integer > - JIT compiler (based on LLVM) > - call to C API > > What is missing in Pharo at the moment: > - multiple dispatch > - arbitrary precision float > - dynamic dataflow type inference > - optional type annotations (maybe with pluggable type extensions for Pharo ?) > - special matrices types like spares or dense matrix, tri-diagonal, etc ... > - vectorization > > Regards, > -- > Serge Stinckwich > UCBN & UMI UMMISCO 209 (IRD/UPMC) > Help fight Ebola by joining the Computing for Ebola Challenge > http://bit.ly/1oEdBag > -- _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: Alexandre Bergel http://www.bergel.eu ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;. -- You received this message because you are subscribed to the Google Groups "Smalltalk Research" group. To unsubscribe from this group and stop receiving emails from it, send an email to [hidden email]. For more options, visit https://groups.google.com/d/optout. |
Re: [Pharo-dev] Julia vs Pharo
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On Sun, Nov 16, 2014 at 1:45 AM, Alexandre Bergel
<[hidden email]> wrote: > Hi Serge! > > Thanks for sharing this. > > I indeed believe that scientific computing will play a big role in Pharo adoption by a large public The problem is that you need to invest at least 5 years of work before having some impact in this domain. -- Serge Stinckwich UCBN & UMI UMMISCO 209 (IRD/UPMC) Help fight Ebola by joining the Computing for Ebola Challenge http://bit.ly/1oEdBag -- You received this message because you are subscribed to the Google Groups "Smalltalk Research" group. To unsubscribe from this group and stop receiving emails from it, send an email to [hidden email]. For more options, visit https://groups.google.com/d/optout. |
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I would not be that pessimistic.
We have to go step by step. I have not had a look at SciSmalltalk. But can the section "15.1 Simple bootstraping exercise” of http://bogumilkaminski.pl/files/julia_express.pdf be written in SciSmalltalk? Cheers, Alexandre
--
_,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: Alexandre Bergel http://www.bergel.eu ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.
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In reply to this post by SergeStinckwich
On Mon, Nov 17, 2014 at 2:56 PM, werner kassens <[hidden email]> wrote:
>>... What is missing in Pharo at the moment: >>- multiple dispatch >>- arbitrary precision float ... > > Hi Serge, > there exists an arbitrary precision float package made by nicolas cellier: > https://code.google.com/p/arbitrary-precision-float/wiki/ArbitraryPrecisionFloatForSqueakAndPharo Great to know such a beast exist ;-) > ok, its not builtin into pharo, but this is not really a problem, one uses > those things more for crosschecking, where speed is not really a problem. > re multiple dispatch, actually this was the first and most important thing i > found missing when i discovered pharo ,squeak, smalltalk. otoh there exists > a package that does this; if i remember correctly the name is helvetica. i > read the papers about that package but never downloaded that package > essentially for two reasons: > - i'm a speed freak and feared this would slow down my programs too much. i > thought this is something that should indeed be hard coded. > - although, if i remember correctly, this package _is downloadable, it was > in a way deeply hidden in the internet (not in the usual places like > smalltalkhub or squeaksource) as if the author did not really want it to be > used by everybody for every task. I never heard about this one. Regards, -- Serge Stinckwich UCBN & UMI UMMISCO 209 (IRD/UPMC) Help fight Ebola by joining the Computing for Ebola Challenge http://bit.ly/1oEdBag -- You received this message because you are subscribed to the Google Groups "Smalltalk Research" group. To unsubscribe from this group and stop receiving emails from it, send an email to [hidden email]. For more options, visit https://groups.google.com/d/optout. |
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On Mon, Nov 17, 2014 at 5:01 PM, werner kassens <[hidden email]> wrote:
>>I never heard about this one. > > no wonder<g>, i got the name wrong, it was helvetia Ok, this is about domain-specific languages not multiple dispatch. -- Serge Stinckwich UCBN & UMI UMMISCO 209 (IRD/UPMC) Help fight Ebola by joining the Computing for Ebola Challenge http://bit.ly/1oEdBag -- You received this message because you are subscribed to the Google Groups "Smalltalk Research" group. To unsubscribe from this group and stop receiving emails from it, send an email to [hidden email]. For more options, visit https://groups.google.com/d/optout. |
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On Mon, Nov 17, 2014 at 5:05 PM, Serge Stinckwich <[hidden email]> wrote: -- On Mon, Nov 17, 2014 at 5:01 PM, werner kassens <[hidden email]> wrote: It actually included an example of multiple dispatch :-) Cheers, Lukas Lukas Renggli
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On Mon, Nov 17, 2014 at 8:13 PM, Lukas Renggli <[hidden email]> wrote:
> > On Mon, Nov 17, 2014 at 5:05 PM, Serge Stinckwich > <[hidden email]> wrote: >> >> On Mon, Nov 17, 2014 at 5:01 PM, werner kassens <[hidden email]> >> wrote: >> >>I never heard about this one. >> > >> > no wonder<g>, i got the name wrong, it was helvetia >> >> Ok, this is about domain-specific languages not multiple dispatch. > > > It actually included an example of multiple dispatch :-) Hi Lukas, I was not aware of that ;-) I will have a look. Thanks, -- Serge Stinckwich UCBN & UMI UMMISCO 209 (IRD/UPMC) Help fight Ebola by joining the Computing for Ebola Challenge http://bit.ly/1oEdBag -- You received this message because you are subscribed to the Google Groups "Smalltalk Research" group. To unsubscribe from this group and stop receiving emails from it, send an email to [hidden email]. For more options, visit https://groups.google.com/d/optout. |
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Were is the code located ?
Apparently the Helvetia one click image is no more available on this page: http://scg.unibe.ch/research/helvetia On Tue, Nov 18, 2014 at 4:38 PM, Serge Stinckwich <[hidden email]> wrote: > On Mon, Nov 17, 2014 at 8:13 PM, Lukas Renggli <[hidden email]> wrote: >> >> On Mon, Nov 17, 2014 at 5:05 PM, Serge Stinckwich >> <[hidden email]> wrote: >>> >>> On Mon, Nov 17, 2014 at 5:01 PM, werner kassens <[hidden email]> >>> wrote: >>> >>I never heard about this one. >>> > >>> > no wonder<g>, i got the name wrong, it was helvetia >>> >>> Ok, this is about domain-specific languages not multiple dispatch. >> >> >> It actually included an example of multiple dispatch :-) > > Hi Lukas, > > I was not aware of that ;-) > I will have a look. > > Thanks, > -- > Serge Stinckwich > UCBN & UMI UMMISCO 209 (IRD/UPMC) > Help fight Ebola by joining the Computing for Ebola Challenge > http://bit.ly/1oEdBag -- Serge Stinckwich UCBN & UMI UMMISCO 209 (IRD/UPMC) Help fight Ebola by joining the Computing for Ebola Challenge http://bit.ly/1oEdBag -- You received this message because you are subscribed to the Google Groups "Smalltalk Research" group. To unsubscribe from this group and stop receiving emails from it, send an email to [hidden email]. For more options, visit https://groups.google.com/d/optout. |
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I've fixed the links. As far as I see, the image doesn't contain the code though :-( The code is in a separate package: http://mc.lukas-renggli.ch/fpm/. And there is a short description in B.16 of http://scg.unibe.ch/archive/phd/renggli-phd.pdf Cheers, Lukas On Tue, Nov 18, 2014 at 4:45 PM, Serge Stinckwich <[hidden email]> wrote: Were is the code located ? Lukas Renggli
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