Re: [boost] GSoC

Subject: Re: [boost] GSoC
From: Karsten Ahnert (karsten.ahnert_at_[hidden])
Date: 2014-02-02 15:07:36

On 02/02/2014 09:01 PM, Utsav Tiwary wrote:
> Currently I am working on a semester long project to learn various
> numerical methods like Gauss Elimination, Gauss Jacobi, Gauss Seidel
> methods etc. to learn how to do the computations using MPI(Message Passing
> Interface). Later I will be learning how to solve boundary value problem
> using finite difference method using the same tool - MPI. The idea is to
> develop a library which could make use of parallel programming to achieve
> the objective of solving boundary value problems. I would love to hear
> suggestions regarding the same.

What exactly do you mean by boundary value problems? And how are finite
difference are related to this problem?

> 
> 
> On Mon, Feb 3, 2014 at 1:24 AM, Karsten Ahnert <
> karsten.ahnert_at_[hidden]> wrote:
> 
>> On 02/02/2014 04:08 PM, Utsav Tiwary wrote:
>>> Thankyou for showing interest in the idea Mr. Ahnert. I would like to
>> know
>>> what pre-requisite knowledge do you expect any candidate to have prior to
>>> starting to work on this project ?
>>
>> I have added a description of the implicit routines project idea and
>> basic requirements for possible candidates at
>>
>> https://svn.boost.org/trac/boost/wiki/SoC2014
>>
>> It would also be good to have a basic idea how odeint works internally.
>>
>> If you are asking about the boundary value problem I need to know more
>> about the idea and the methods to see wether I could mentor such a
>> project. So a working description would be very useful.
>>
>>
>>>
>>>
>>> On Sun, Feb 2, 2014 at 8:20 PM, Karsten Ahnert <
>>> karsten.ahnert_at_[hidden]> wrote:
>>>
>>>> On 02/02/2014 12:00 PM, Christopher Kormanyos wrote:
>>>>>> And we also would like to mentor a GSOC project about implicit
>>>>>> methods in odeint. There are extremely important to solve PDEs.
>>>>>
>>>>> * Is the idea ripe enough for formulation?
>>>>
>>>> Yes, we had several GSOC project proposals about implicit ODE solvers
>>>> last year but none of them had been accepted. Is this a problem for
>>>> applications this year?
>>>>
>>>>> * Is there a committed mentor?
>>>>>
>>>>> Might the potential mentor formally add the project to the list here:
>>>>>
>>>>> https://svn.boost.org/trac/boost/wiki/SoC2014
>>>>
>>>> I would volunteer to mentor this project. Of course, I will add the
>>>> description to the ideas page.
>>>>
>>>>
>>>>
>>>>> On Saturday, February 1, 2014 9:31 PM, Larry Evans <
>>>> cppljevans_at_[hidden]> wrote:
>>>>>
>>>>> On 02/01/14 13:19, Karsten Ahnert wrote:
>>>>>> On 02/01/2014 03:47 PM, Utsav Tiwary wrote:
>>>>>>> Does it involve the use of parallel programming ? If not, is doing
>> it a
>>>>>>> good idea ?
>>>>>>
>>>>>> There was a GSOC last year about parallelization of odeint with MPI
>> and
>>>>>> OpenMP [1]. I think it was successful, although the code has not yet
>>>>>> been merged into the odeint trunk. Parallelization with GPUs already
>>>>>> works with the help of Thrust, VexCL or ViennaCL.
>>>>>>
>>>>>> odeint is a library devoted to solve the initial value problem of
>> ODEs.
>>>>>> I think building shooting methods for boundary value problems on top
>> of
>>>>>> odeint would be a good idea. And we also would like to mentor a GSOC
>>>>>> project about implicit methods in odeint. There are extremely
>> important
>>>>>> to solve PDEs.
>>>>>>
>>>>> Back in June, 2011, petros posted a question to the user's list
>>>>> about multi-array and pdes:
>>>>>
>>>>> http://thread.gmane.org/gmane.comp.lib.boost.user/68017
>>>>>
>>>>> Later, he posted a question about rotating the arrays axes:
>>>>>
>>>>>
>>>>
>> http://article.gmane.org/gmane.comp.lib.boost.user/68718/match=multi_array+rotated+views
>>>>>
>>>>> to help solve a pde using ADI (Alternating Direction Implicit):
>>>>>
>>>>>   http://article.gmane.org/gmane.comp.lib.boost.user/71096
>>>>>
>>>>> In response, I prototyped a method using ADI and mentioned it
>>>>> here:
>>>>>
>>>>> http://article.gmane.org/gmane.comp.lib.boost.user/71047
>>>>>
>>>>> HTH.
>>>>>
>>>>> -regards,
>>>>>
>>>>> Larry
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Unsubscribe & other changes:
>>>> http://lists.boost.org/mailman/listinfo.cgi/boost
>>>>>
>>>>> _______________________________________________
>>>>> Unsubscribe & other changes:
>>>> http://lists.boost.org/mailman/listinfo.cgi/boost
>>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> Unsubscribe & other changes:
>>>> http://lists.boost.org/mailman/listinfo.cgi/boost
>>>>
>>>
>>> _______________________________________________
>>> Unsubscribe & other changes:
>> http://lists.boost.org/mailman/listinfo.cgi/boost
>>>
>>
>>
>> _______________________________________________
>> Unsubscribe & other changes:
>> http://lists.boost.org/mailman/listinfo.cgi/boost
>>
> 
> _______________________________________________
> Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost
>