Re: How to local files on ParallelKernels
- To: mathgroup at smc.vnet.net
- Subject: [mg116719] Re: How to local files on ParallelKernels
- From: nsonmez <nasufsonmez at gmail.com>
- Date: Fri, 25 Feb 2011 06:34:10 -0500 (EST)
- References: <ik2n9v$9kb$1@smc.vnet.net>
On Feb 23, 4:25 am, nsonmez <nasufson... at gmail.com> wrote:
> Hi,
>
> I have a pc which has 8 cores, I made RemoteKernel connection from my
> dual-core-laptop to the pc so in total I have 10 cores for parallel
> computing. I made couple of settings and managed parallelize my code
> and using ParallelDo it works great. My code simply is something like
> that;
>
> dsigmapdf is a predefined function and the definition is passed by
> ParallelNeeds["MyPackage`"] to remote kernels w/o a problem.
> _______________________________________________________
> ParallelTable[
> {
> start = AbsoluteTime[];
>
> NIntegrate[
> int = dsigmapdf[ theta, 14000^2, a Pi/10, 11], {theta,0,Pi}
> ];
>
> Print[a, " : ", N[AbsoluteTime[] - start, 4], " seconds . . . ",
> int];
>
> PutAppend[{a Pi/10, int}, "xsection.txt"];
>
> }, {a, 0, 4}]
>
> ________________________________________________________
>
> This code simply splits every do step to every available kernels,
> calculates and prints the result to xsection.txt file. Here the
> problem is that the remote kernels save the result on remote machine,
> instead I want every kernels returns the result and save it to the
> predefined file in my laptop using PutAppend command. Therefore every
> kernel returns the result and prints it on the notebook but i just
> don't want to copy and paste every line from the notebook to a text
> file. I am sure there is a very simple way to do that i just don't
> know how to!
> by the way i have Mathematica8.
>
> thans in advance,
>
> Nasuf
Nobody has any idea how to make them write the result from remote
kernels to a local file? any help is appreciated.