[Openmcl-devel] Speed, compilers and multi-core processors
ron at awun.net
Tue May 19 12:44:39 EDT 2009
Didn't the Lisp community already solve this problem with *Lisp on the
On May 19, 2009, at 6:13 AM, Glen Foy wrote:
> This is a fascinating area and clearly the wave of the future. We
> could have processors with 512 cores ten years from now. That power
> has to be utilized.
> A Lisp that focused on parallel execution would be an amazing tool.
> New worlds to conquer ...
> On May 19, 2009, at 8:05 AM, Alexander Repenning wrote:
>> not so fast ;-)
>> The "how can we make use of multiple cores" is currently on the the
>> hottest funding topics supported by NSF, DOE, Microsoft, .....
>> Perhaps it is the Lisp way to look at architectures such as the x86
>> and see mostly limitations when indeed there are plenty of
>> opportunities. This is not about registers but about enabling end
>> user programmers such as scientists to make use of parallelism. The
>> big question is how to reconceptualize programming. One of the main
>> problems is the need to overcome bad algorithmic assumptions
>> especially the use of unnecessary loops. For instance, in
>> Bioinformatics textbooks are full of loop based implementations of
>> algorithms dealing with huge data structures such as gene
>> sequences. In many cases one could replace sequential loops with
>> parallel execution.
>> Zoom out of the low level view of things. What could multi core
>> Lisp do? Look at the computational challenges that users are
>> dealing with. Try to come up with new computational paradigms that
>> could help. Lisp could be a great platform to explore these issues.
>> Careful: if you can contribute to this you may actually receive
>> On May 18, 2009, at 10:45 AM, Brian Mastenbrook wrote:
>>> On Mon, 2009-05-18 at 10:13 -0400, Glen Foy wrote:
>>>> My ignorance of compiler design is breathtaking, but could multi-
>>>> compiler techniques be used to compensate for Intel's register-
>>> In a word, no.
>> Prof. Alexander Repenning
>> University of Colorado
>> Computer Science Department
>> Boulder, CO 80309-430
>> vCard: http://www.cs.colorado.edu/~ralex/AlexanderRepenning.vcf
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