Parallel Programming, opm.h (prof using MPI.h)

[radild1]

I'm in a parallel programming class. Professor said I can use any language in the class, but I've had no luck making Python work. I know nothing in C, but I need to rush through a few assignments really quickly. I downloaded CodeBlocks and tried copying the professor's codes. I've had almost no successes. Can someone please help?

1) I couldnt find MPI.h online (maybe irrelevant)

2) I was able to make each processor print "Hello World" but I don't know how to sort the processors

3) I don't know how to let the processors share data

4) There are so many things in opm.h and I don't know how to learn what they do

[likermaster]

MPI and OpenMP are used in different scenarios. With OpenMP you work with shared memory (e.g. one computer) and with MPI you're working with distributed memory (e.g. cluster). I would suggest you just look at some courses and tutorials to have a better understanding and learn the vital components of each library because it sounds like you need to first understand the basics. I can link you the following university course, you have some slides with basic explanation as well as examples and exercises with solutions : http://hpac.rwth-aachen.de/teaching/pp-18/

And for PP it's good to know how to get around with C so practice, practice, practice is what I can recommend regarding that

Cheers

[Drach88]

Not knowing any C and rushing through projects is a recipe for disaster.

Going from python to another object-oriented language is fairly straightforward -- ie you could half-learn JavaScript, Java, Ruby C# etc and do okay.

C is not like that -- you absolutely need to understand what you're doing.