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From: John Fletcher (J.P.Fletcher_at_[hidden])
Date: 2006-09-12 07:07:51

Jeremy Graham Siek wrote:
> Hi All,
> Review questions
> ================
> Please always explicitly state in your review, whether you think the
> library should be accepted into Boost.

YES please accept into Boost.

> You might want to comment on the following questions:
> - What is your evaluation of the design?

I have not dug into the design and these comments come from running some
tests. I very much like the integration of boost serialization, which
in particular makes it easy to transfer strings between tasks of
different rank.

> - What is your evaluation of the implementation?

The implementation has made extensive use of other boost components. As
well as serialize, parts of archive and detail are used, I think as a
consequence of the use of serialize. This came to light as my base
installation is boost 1.33.1 and I installed only the required
components from cvs.

> - What is your evaluation of the documentation?

I found this fairly easy to follow.

I think there is a typo in this line in the code on page 6.

world << "I am process " << world.rank() << " of " << world.size()
<< "." << std::endl;

The example did not compile as there does not seem to be operator<<
defined for the communicator.

> - What is your evaluation of the potential usefulness of the library?

I think this is useful for those working in a multiprocessor environment
using MPI.

> - Did you try to use the library? With what compiler?

I have used the code on a single processor system (AMD64) using 32 bit
Linux (Fedora 4)
with g++ 4.0.2 and a base of boost 1.33.1. I used LAM MPI.

As commented above I used cvs to obtain uptodate copies of boost
components: serialise, archive and detail and compiled only those source
files which were needed.

> Did you have any problems?

Only with the code typo above, once I had identified the need for the
uptodate archive version.

> - How much effort did you put into your evaluation? A glance? A
> quick reading? In-depth study?

I have spent a couple of evenings and have run most of the examples in
the manual and examples. I very much liked the string-cat example which
can be easily adapted to gather output from all the tasks.

> - Are you knowledgeable about the problem domain?

I have used mpich and OOMPI
which does something similar in a different way. I have also
experimented with bsfcpp

John Fletcher

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