[Openmcl-devel] Speed, compilers and multi-core processors
ralex at cs.colorado.edu
Tue May 19 12:05:25 UTC 2009
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
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 funding.
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-core
>> 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
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