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Special Forums UNIX and Linux Applications High Performance Computing Programming parallel for C++ and Python application Post 302775393 by figaro on Monday 4th of March 2013 05:47:49 PM
Old 03-04-2013
Programming parallel for C++ and Python application

I am looking to have a C++ and Python application developed using the processing power of at least one GPU.
We are already using Boost, so Boost.MPI comes to mind.
We already have some experience in developing C++ applications for multi-core CPUs by using threading.
However, since we have not developed sufficient expertise in MPI, we were wondering if a Python solution would be more appropriate, because it will give the developers a better understanding of what the code does. In such a case something like mpi4py would come to mind.

Of course having a GPU specifically for simulation purposes could mean that something like PyOpenCL may be even better.
I mention "simulation", because the machine will be calculating variations on what is largely the same problem, ie not be a general purpose machine.

So in summary:
1- For raw processing speed with a multi-core CPU and a GPU, would a openCL solution or Boost.MPI solution be recommended?
2- Should the Python solution be used only for high level functionality, such as handling data upon return, or does Python compromise speed too much?
 

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URI::URL(3)						User Contributed Perl Documentation					       URI::URL(3)

NAME
URI::URL - Uniform Resource Locators SYNOPSIS
$u1 = URI::URL->new($str, $base); $u2 = $u1->abs; DESCRIPTION
This module is provided for backwards compatibility with modules that depend on the interface provided by the "URI::URL" class that used to be distributed with the libwww-perl library. The following differences exist compared to the "URI" class interface: o The URI::URL module exports the url() function as an alternate constructor interface. o The constructor takes an optional $base argument. The "URI::URL" class is a subclass of "URI::WithBase". o The URI::URL->newlocal class method is the same as URI::file->new_abs. o URI::URL::strict(1) o $url->print_on method o $url->crack method o $url->full_path: same as ($uri->abs_path || "/") o $url->netloc: same as $uri->authority o $url->epath, $url->equery: same as $uri->path, $uri->query o $url->path and $url->query pass unescaped strings. o $url->path_components: same as $uri->path_segments (if you don't consider path segment parameters) o $url->params and $url->eparams methods o $url->base method. See URI::WithBase. o $url->abs and $url->rel have an optional $base argument. See URI::WithBase. o $url->frag: same as $uri->fragment o $url->keywords: same as $uri->query_keywords o $url->localpath and friends map to $uri->file. o $url->address and $url->encoded822addr: same as $uri->to for mailto URI o $url->groupart method for news URI o $url->article: same as $uri->message SEE ALSO
URI, URI::WithBase COPYRIGHT
Copyright 1998-2000 Gisle Aas. perl v5.16.3 2012-02-11 URI::URL(3)
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