"Many Digits" Friendly Competition 2005
- To: mathgroup at smc.vnet.net
- Subject: [mg58833] "Many Digits" Friendly Competition 2005
- From: Freek Wiedijk <freek at leto.nospamplease.nl>
- Date: Wed, 20 Jul 2005 00:29:30 -0400 (EDT)
- Organization: University of Nijmegen, The Netherlands
- Sender: owner-wri-mathgroup at wolfram.com
THE "MANY DIGITS" FRIENDLY COMPETITION 2005
4 October 2005
Radboud University, Nijmegen, The Netherlands
Call For Participation
In the Institute for Computing and Information Sciences at Radboud
University Nijmegen we will organise a friendly competition/benchmark
session for investigating the state of the art in the various
implementations of exact real arithmetic. The event will be held on
October 4th 2005, in conjunction with the Small TYPES workshop on
Constructive analysis, types and exact real numbers
The event will be akin to those held in CCA00
<http://www.cs.swan.ac.uk/~csjens/pdf/resart.pdf> and CCA2002
<http://www.informatik.uni-trier.de/~mueller/cca2002/>. All the
interactive software packages capable of handling arbitrary precision
arithmetic on elementary functions are invited to
participate. Moreover all libraries for handling arbitrary precision
arithmetic in any programming language are welcome to participate
provided that the participant writes a suitable interface/program.
The participants can choose to attend the event at Nijmegen, or they
can choose to participate remotely via Internet.
The friendly competition consists of giving a solution to a set of
problems that are posed by the organisers shortly (few hours) before
the event. The problems cover the minimum abilities of a system
capable of handling the elementary real functions and are expected
to ask for a large (>=10,000) number of digits. An example of a
problem that might be in this set is to calculate the first 10,000
digits of sin(sin(1)).
A set of `practice problems' can be found on the website of the
The solutions consist of the input needed to generate the answers to
the problems plus the answers themselves. The competition criteria
will be the accuracy (correctness) of the solution and the time
needed for producing the solution. Apart from this, we will also
compare the other aspects of the solutions (such as memory usage and
readability and length of the input code) to give a better
On the day of the competition the solutions will be executed by
participants on one specific machine at the event site, under either
Debian/GNU Linux or Windows XP.
A more detailed description of the setup and format of the
competition can be found on the website of the competition
The outcome of this friendly competition is expected to give a
comparison in performance of the systems that chose to participate
for the selected problems.
In case of remote participation, the participants will receive the
set of problems by email. Then they will be given the opportunity to
log into our local machine and perform their solution.
Systems, Packages and Libraries
Those who wish to participate in the Friendly Competition are
expected to provide the software necessary for their solutions, so
it can be run on the machine used for the competition.
* August 26th deadline for registering for the competition
* August 29th final list of registered participants on the web
* September 23rd timings of the practice problems for the
registered participants posted on the web
* October 4th competition
If you are interested in participating in the event we will be happy
to hear from you:
1.Team name, name and email of contact person(s) and the platform
your system needs to run (GNU Linux or Windows XP).
2.Whether you plan to come to the meeting or whether you would like
to participate remotely.
We would prefer that participants (especially those whose system
requires Windows) to send their intention to participate before
August 26th, 2005.
Please register by sending mail to <manydigits at cs.ru.nl>.
Local Organisers: Milad Niqui and Freek Wiedijk
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