Poly/ML March 2010

polyml@lists.polyml.org

6 participants
7 discussions

Inspecting structures
by ramana.kumar＠gmail.com 27 Jan '16

27 Jan '16

Is there a way to look at the contents (i.e. signature) of a structure without opening it? (I suppose you could just open it then call a lot of PolyML.Compiler.forgetXXX, but that's quite tedious) Also, is it possible to retrieve the long path of an identifier in scope? Something that will, for example, take the rev in scope and say that it came from List. Finally, what about searching for an identifier that would come into scope if you opened some structures?

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[Fwd: Re: [polyml] Building Poly/ML on MacOS X 10.6]
by rda＠lemma-one.com 29 Dec '14

29 Dec '14

I wrote: > I am completely baffled. I thought I hada solved all my problems on > MacOS X > 10.6 and was just tidying up, when I had to recompile a 32 bit > version of > Poly/ML to test a tidied up make file. This failed because > PolyML.Compiler.printTypesWithStructureName no longer exists. The same > problem happened when i rebuild a 64 bit version. What has happened? but it was a false alarm: my make file was wrong for other reasons and the absence of PolyML.Compiler.printTypesWithStructureName was not relevant. No doubt there are good reasons why this variable has been withdrawn. Regards, Rob.

3 6

PASCO 2010: Extended submission deadline
by Daniel.Cordeiro＠imag.fr 29 Mar '10

29 Mar '10

(Please accept our apologies if you receive this message multiple times) ------------------------------------------------------------------------ Parallel Symbolic Computation 2010 (PASCO 2010) July 21-23, 2010 -- Grenoble, France http://pasco2010.imag.fr/ Third Announcement and C A L L f o r P A P E R S *** Submission date extended to April 18 *** Overview: The International Workshop on Parallel and Symbolic Computation (PASCO) is a series of workshops dedicated to the promotion and advancement of parallel algorithms and software in all areas of symbolic mathematical computation. The pervasive ubiquity of parallel architectures and memory hierarchy has led to the emergence of a new quest for parallel mathematical algorithms and software capable of exploiting the various levels of parallelism: from hardware acceleration technologies (multi- core and multi-processor system on chip, GPGPU, FPGA) to cluster and global computing platforms. To push up the limits of symbolic and algebraic computations, beyond the optimization of the application itself, the effective use of a large number of resources --memory and general or specialized computing units-- is expected to enhance the performance multi-criteria objectives: time, energy consumption, resource usage, reliability. In this context, the design and the implementation of mathematical algorithms with provable and adaptive performances is a major challenge. Earlier meetings in the PASCO series include PASCO'94 (Linz, Austria), PASCO'97 (Maui, U.S.A.), PASCO'07 (London, Canada). PASCO 2010 is affiliated with the 2010 International Symposium on Symbolic and Algebraic Computation (ISSAC) in Munich, Germany. Immediately prior to the ISSAC 2010 meeting, PASCO will be held in Grenoble, France. The workshop PASCO 2010 will be a three-day event including invited presentations and tutorials, contributed research papers and posters, and a programming contest. Specific topics include, but are not limited to: * Design and analysis of parallel algorithms for computer algebra * Practical parallel implementation of symbolic or symbolic-numeric algorithms * High-performance software tools and libraries for computer algebra * Applications of high-performance computer algebra * Distributed data-structures for computer algebra * Hardware acceleration technologies (multi-cores, GPUs, FPGAs) applied to computer algebra * Cache complexity and cache-oblivious algorithms for computer algebra * Compile-time and run-time techniques for automating optimization and platform adaptation of computer algebra algorithms Call for Papers: The conference invites submission of papers presenting original research, either in the form of extended abstracts (2 pages) or full papers (up to 10 pages) in ACM format. As in previous years, PASCO 2010 will publish formal proceedings of the accepted papers. The PASCO 2010 Conference proceedings will be published by the Association for Computing Machinery (ACM) http://www.acm.org/ and will be made available in the ACM Digital Library. The proceedings will also be distributed on CDs to the participants of the workshop. Programming Contest: A programming contest will be organized during the PASCO 2010 meeting. Each participating team will be competing on one or more programming challenges proposed by the organizing committee and by the participants. Details can be found at the PASCO 2010 web site. Important Dates: (extended w.r.t. previous calls for papers) Paper submission deadline: April 18 (Sun), 2010 Programming Challenge proposal April 18 (Sun), 2010 Notification of acceptance: May 31 (Mon), 2010 (for papers and challenge proposals) Camera-ready version of paper due: June 13 (Sun), 2010 Intent of participation to the contest: June 13 (Sun), 2010 Tutorials and Workshop in Grenoble: July 21-23 (Wed-Fri), 2010 Conference Chairs: Marc Moreno Maza (University of Western Ontario, Canada) <moreno(a)csd.uwo.ca> Jean-Louis Roch (Grenoble University, France) <jlroch(a)imag.fr> Local Arrangements Chairs: Jean-Guillaume Dumas (Grenoble University, France) <jean-guillaume.dumas(a)imag.fr> Thierry Gautier (INRIA Grenoble, France) <thierry.gautier(a)imag.fr> Clement Pernet (Grenoble University, France) <clement.pernet(a)imag.fr> Publicity Chair: Daniel Cordeiro (Grenoble University, France) <daniel.cordeiro(a)imag.fr> Administration: Daniele Herzog (INRIA Grenoble, France) <daniele.herzog(a)inrialpes.fr> Christian Seguy (CNRS, France) <christian.seguy(a)imag.fr> Ahlem Zammit-Boubaker (INRIA Grenoble, France) <ahlem.zammit-boubaker(a)inrialpes.fr> Program Committee: Daniel Augot (INRIA Saclay, France) Jean-Claude Bajard (Montpellier II University, France) Olivier Beaumont (INRIA Bordeaux, France) Bruce Char (Drexel University, USA) Gene Cooperman (Northeastern University, USA) Gabriel Dos-Reis (Texas A&M University, USA) Jean-Christophe Dubacq (LIPN, University Paris 13, France) Jean-Guillaume Dumas (Grenoble University, France) Jean-Charles Faugere (INRIA - UPMC, France) Matteo Frigo (Axis Semiconductor, USA) Thierry Gautier (INRIA Grenoble, France) Pascal Giorgi (LIRMM, France) Stef Graillat (University Paris 6, France) Jeremy Johnson (Drexel University, USA) Erich Kaltofen (NCSU, USA) Herbert Kuchen (University of Muenster, Germany) Philippe Langlois (University of Perpignan, France) Anton Leykin (Georgia Tech, USA) Gennadi Malaschonok (Tambov State University, Russia) Michael Monagan (Simon Fraiser University, Canada) Winfried Neun (Zuse Institute Berlin, Germany) Clement Pernet (Grenoble University, France) Nicolas Pinto (MIT, USA) Manuel Prieto-Matias (Complutense university of Madrid, Spain) Markus Pueschel (Carnegie Mellon University, USA) Nathalie Revol (INRIA - LIP, France) David Saunders (University of Delaware, USA) Eric Schost (University of Western Ontario, Canada) Wolfgang Schreiner (RISC, Austria) Arne Storjohann (University of Waterloo, Canada) Sivan Toledo (Tel-Aviv University, Israel) Gilles Villard (CNRS, France) Yuzhen Xie (University of Western Ontario, Canada) Kazuhiro Yokoyama (Rikkyo University, Japan) Links: PASCO 2010 http://pasco2010.imag.fr/ ISSAC 2010 http://www.issac-conference.org/2010/ Submission http://www.easychair.org/conferences/?conf=pasco2010

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segmentation fault during build
by ramana.kumar＠gmail.com 10 Mar '10

10 Mar '10

I decided to update Poly/ML svn today and ran into this problem. Not a big deal since my old version still works, but maybe there's a bug to be found. ... Use: basis/PrettyPrinter.sml Use: basis/FinalPolyML.sml Use: basis/TopLevelPolyML.sml /bin/sh: line 1: 16849 Segmentation fault ./polyimport -H 10 polytemp.txt -I . < ./exportPoly.sml make[2]: *** [polyexport.o] Error 139 make[2]: Leaving directory `/home/ramana/builds/polyml-svn/src/polyml/polyml' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/home/ramana/builds/polyml-svn/src/polyml/polyml' make: *** [all] Error 2 svn info Path: . URL: https://polyml.svn.sourceforge.net/svnroot/polyml/trunk Repository Root: https://polyml.svn.sourceforge.net/svnroot/polyml Repository UUID: 57040599-48ee-4647-8227-d26cbd406fcb Revision: 1077 these are the commands I was trying to run (not sure where it got up to): make distclean ./configure --prefix=/usr make || return 1 make compiler make || return 1 make DESTDIR=$pkgdir install

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PASCO 2010: News and 2nd Call for Papers
by Daniel.Cordeiro＠imag.fr 08 Mar '10

08 Mar '10

(Please accept our apologies if you receive this message multiple times) ------------------------------------------------------------------------ Parallel Symbolic Computation 2010 (PASCO 2010) July 21-23, 2010 -- Grenoble, France http://pasco2010.imag.fr/ Second Announcement and C A L L f o r P A P E R S News: - PASCO 2010 Programming contest - PASCO 2010 in cooperation with ACM Overview: The International Workshop on Parallel and Symbolic Computation (PASCO) is a series of workshops dedicated to the promotion and advancement of parallel algorithms and software in all areas of symbolic mathematical computation. The pervasive ubiquity of parallel architectures and memory hierarchy has led to the emergence of a new quest for parallel mathematical algorithms and software capable of exploiting the various levels of parallelism: from hardware acceleration technologies (multi- core and multi-processor system on chip, GPGPU, FPGA) to cluster and global computing platforms. To push up the limits of symbolic and algebraic computations, beyond the optimization of the application itself, the effective use of a large number of resources --memory and general or specialized computing units-- is expected to enhance the performance multi-criteria objectives: time, energy consumption, resource usage, reliability. In this context, the design and the implementation of mathematical algorithms with provable and adaptive performances is a major challenge. Earlier meetings in the PASCO series include PASCO'94 (Linz, Austria), PASCO'97 (Maui, U.S.A.), PASCO'07 (London, Canada). PASCO 2010 is affiliated with the 2010 International Symposium on Symbolic and Algebraic Computation (ISSAC) in Munich, Germany. Immediately prior to the ISSAC 2010 meeting, PASCO will be held in Grenoble, France. The workshop PASCO 2010 will be a three-day event including invited presentations and tutorials, contributed research papers and posters, and a programming contest. Specific topics include, but are not limited to: * Design and analysis of parallel algorithms for computer algebra * Practical parallel implementation of symbolic or symbolic-numeric algorithms * High-performance software tools and libraries for computer algebra * Applications of high-performance computer algebra * Distributed data-structures for computer algebra * Hardware acceleration technologies (multi-cores, GPUs, FPGAs) applied to computer algebra * Cache complexity and cache-oblivious algorithms for computer algebra * Compile-time and run-time techniques for automating optimization and platform adaptation of computer algebra algorithms Call for Papers: The conference invites submission of papers presenting original research, either in the form of extended abstracts (2 pages) or full papers (up to 10 pages) in ACM format. As in previous years, PASCO 2010 will publish formal proceedings of the accepted papers. The PASCO 2010 Conference proceedings will be published by the Association for Computing Machinery (ACM) http://www.acm.org/ and will be made available in the ACM Digital Library. Programming Contest: A programming contest will be organized during the PASCO 2010 meeting. Each participating team will be competing on one or more programming challenges proposed by the organizing committee and by the participants. Details can be found at the PASCO 2010 web site. Important Dates Paper submission deadline: April 2 (Fri), 2010 Programming Challenge proposal April 2 (Fri), 2010 Notification of acceptance: May 10 (Mon), 2010 (for papers and challenge proposals) Camera-ready version of paper due: May 28 (Fri), 2010 Intent of participation to the contest: May 28 (Fri), 2010 Tutorials and Workshop in Grenoble: July 21-23 (Wed-Fri), 2010 Conference Chairs: Marc Moreno Maza (University of Western Ontario, Canada) <moreno(a)csd.uwo.ca> Jean-Louis Roch (Grenoble University, France) <jlroch(a)imag.fr Local Arrangements Chairs: Jean-Guillaume Dumas (Grenoble University, France) <jean-guillaume.dumas(a)imag.fr Thierry Gautier (INRIA Grenoble, France) <thierry.gautier(a)imag.fr> Clement Pernet (Grenoble University, France) <clement.pernet(a)imag.fr> Publicity Chair: Daniel Cordeiro (Grenoble University, France) <daniel.cordeiro(a)imag.fr> Administration: Daniele Herzog (INRIA Grenoble, France) <daniele.herzog(a)inrialpes.fr> Christian Seguy (CNRS, France) <christian.seguy(a)imag.fr> Ahlem Zammit-Boubaker (INRIA Grenoble, France) <ahlem.zammit-boubaker(a)inrialpes.fr> Program Committee: Daniel Augot (INRIA Saclay, France) Jean-Claude Bajard (Montpellier II University, France) Olivier Beaumont (INRIA Bordeaux, France) Bruce Char (Drexel University, USA) Gene Cooperman (Northeastern University, USA) Gabriel Dos-Reis (Texas A&M University, USA) Jean-Christophe Dubacq (LIPN, University Paris 13, France) Jean-Guillaume Dumas (Grenoble University, France) Jean-Charles Faugere (INRIA - UPMC, France) Matteo Frigo (Axis Semiconductor, USA) Thierry Gautier (INRIA Grenoble, France) Pascal Giorgi (LIRMM, France) Stef Graillat (University Paris 6, France) Jeremy Johnson (Drexel University, USA) Erich Kaltofen (NCSU, USA) Herbert Kuchen (University of Muenster, Germany) Philippe Langlois (University of Perpignan, France) Anton Leykin (Georgia Tech, USA) Gennadi Malaschonok (Tambov State University, Russia) Michael Monagan (Simon Fraiser University, Canada) Winfried Neun (Zuse Institute Berlin, Germany) Clement Pernet (Grenoble University, France) Nicolas Pinto (MIT, USA) Manuel Prieto-Matias (Complutense university of Madrid, Spain) Markus Pueschel (Carnegie Mellon University, USA) Nathalie Revol (INRIA - LIP, France) David Saunders (University of Delaware, USA) Eric Schost (University of Western Ontario, Canada) Wolfgang Schreiner (RISC, Austria) Arne Storjohann (University of Waterloo, Canada) Sivan Toledo (Tel-Aviv University, Israel) Gilles Villard (CNRS, France) Yuzhen Xie (University of Western Ontario, Canada) Kazuhiro Yokoyama (Rikkyo University, Japan) Links: PASCO 2010 http://pasco2010.imag.fr/ ISSAC 2010 http://www.issac-conference.org/2010/ Submission http://www.easychair.org/conferences/?conf=pasco2010

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run-time cost of single-constructor datatypes
by brianh＠cs.pdx.edu 08 Mar '10

08 Mar '10

Hello all, In Haskell, when I declare the following type: data Foo = MkFoo (Int, Bool) the constructor "MkFoo" has a run-time cost: A pointer must be dereferenced whenever I pattern-match on MkFoo, and memory is allocated when I apply the MkFoo constructor. On the other hand, if I declare this type: newtype Foo = MkFoo (Int, Bool) then the MkFoo constructor has no existence at run-time: Types Foo and (Int, Bool) have the same representation on the heap, and the MkFoo constructor function is a no-op. Here's my question: When I declare a single-constructor datatype in Poly/ML, is it more like Haskell's "data" or "newtype"? Here's the reason I'm asking: I'm thinking of using single-constructor datatypes to implement abstract types, by defining the datatype within the module, but not including the constructor function in the module signature. (This is exactly how people usually do abstract types in Haskell - just don't export the constructors.) I'd like to know if there are any pros or cons of this method compared to using abstype. - Brian

2 3

Workshop on ML 2010 - Call for Content
by mtf＠cs.rit.edu 03 Mar '10

03 Mar '10

The 2010 ACM SIGPLAN Workshop on ML http://www.cs.rit.edu/~mtf/ml2010 Baltimore, Maryland, United States Sunday, September 26, 2010 co-located with ICFP 2010 Call for Content ML is a family of programming languages that includes dialects known as Standard ML, Objective Caml, and F#. The development of these languages has inspired a large amount of computer science research, both practical and theoretical. This workshop aims to provide a forum to encourage discussion and research on ML and related technology (higher-order, typed, or strict languages). The format of the 2010 Workshop on ML will be different than that of recent years, returning to a more informal model: a workshop with presentations selected from submitted abstracts but without published proceedings. We hope that this format will encourage the presentation of more exciting (if unpolished) research and deliver a more lively workshop atmosphere. Important Dates ~~~~~~~~~~~~~~~ Submission: 25 June, 2010 Notification: 9 August, 2010 Format ~~~~~~ The workshop will consist of presentations by the participants, selected from submitted abstracts. Participants are invited to submit working drafts, source code, and/or extended abstracts for distribution on the workshop homepage and to the attendees, but as the workshop will have no formal proceedings, any contributions may be submitted for publication to other venues. (See the SIGPLAN republication policy for more details.) Scope ~~~~~ We primarily seek research presentations on topics related to ML, including (but not limited to): * applications: case studies, experience reports, pearls, etc. * extensions: higher forms of polymorphism, generic programming, objects, concurrency, distribution and mobility, semi-structured data handling, etc. * type systems: inference, effects, overloading, modules, contracts, specifications and assertions, dynamic typing, error reporting, etc. * implementation: compilers, interpreters, type checkers, partial evaluators, runtime systems, garbage collectors, etc. * environments: libraries, tools, editors, debuggers, cross-language interoperability, functional data structures, etc. * semantics: operational, denotational, program equivalence, parametricity, mechanization, etc. Research presentations should describe new ideas, experimental results, significant advances in ML-related projects, or informed positions regarding proposals for next-generation ML-style languages. We especially encourage presentations that describe work in progress, that outline a future research agenda, or that encourage lively discussion. In addition to research presentations, we seek both Status Reports and Demos that emphasize the practical application of ML research and technology. Status Reports: Status reports are intended as a way of informing others in the ML community about the status of ML-related research or implementation projects, as well as communicating insights gained from such projects. Status reports need not present original research, but should deliver new information. In the abstract submission, describe the project and the specific technical content to be presented. Demos: Live demonstrations or tutorials are intended to show new developments, interesting prototypes, or work in progress, in the form of tools, libraries, or application software built on or related to ML technology. In the abstract submission (which need only be about half a page), describe the demo and its technical content, and be sure to include the demo's title, authors, collaborators, references, and acknowledgments. A demonstration should take 10-15 minutes. The exact time per demo will be decided based on the number of accepted submissions. (Please note that you will need to provide all the hardware and software required for your demo; the workshop organizers are only able provide a projector.) Submission Guidelines and Instructions ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Email submissions to mtf AT cs.rit.edu. Submissions should be at most two pages, in PDF format, and printable on US Letter or A4 sized paper. Persons for whom this poses a hardship should contact the program chair. Submissions longer than a half a page should include a paragraph synopsis suitable for inclusion in the workshop program. Program Chair ~~~~~~~~~~~~~ Matthew Fluet Rochester Institute of Technology Program Committee ~~~~~~~~~~~~~~~~~ Kathleen Fisher AT&T Labs Research Adam Granicz IntelliFactory Daan Leijen Microsoft Research Johan Nordlander Luleå University of Technology Sungwoo Park Pohang University of Science and Technology Daniel Spoonhower GoogleFrom ldixon at inf.ed.ac.uk Wed Mar 3 15:38:11 2010 From: ldixon at inf.ed.ac.uk (Lucas Dixon) Date: Wed Mar 3 15:38:12 2010 Subject: [polyml] calling PolyML as a library Message-ID: <4B8E8263.6010902(a)inf.ed.ac.uk> Has anyone wrapped up PolyML code as a library that can be called from another program, e.g. one written in C? The FFI allows ML to call functions in a C-programs, but I'm interested in the reverse... or is the best way to write some kind of serialisation/de-serialisation and go through a socket or a pipe? best, lucas -- The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336.

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Poly/ML March 2010