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-2
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0answers
29 views

Learn parallel genetic algorithm [closed]

I am trying to learn parallel genetic algorithm. Is there any any source code for an example about this idea? I google it a lot but I dont find any source code can study it.
1
vote
0answers
53 views

Why is the Jacobi method a good candidate algorithm to implement on a GPU?

I understand that GPU's has hundreds of cores that can handle thousands of threads all at once and that with the Jacobi iteration you're essentially using the same numbers over and over again to ...
0
votes
0answers
32 views

Difference between parallel primitives scan, reduce, map, histogram, scatter, and compact?

I am taking a course that follows a Udacity lecture on parallel programming and they have introduced many "parallel primitives", as they are often referred to in the videos, such as scan, reduce, map, ...
3
votes
1answer
94 views

Does parallel mergesort run differently on mesh vs linear array of processors?

I'm currently taking course on introduction to algorithm and I came across the parallel mergesort algorithm. My question is: Is there any differences in the algorithm plan if it runs on a 2d mesh ...
0
votes
0answers
53 views

CUDA Loop Question - Worthy of Unwinding?

It's a known fact that branching is bad for CUDA. The question I have is a little more specific. I have a (static) loop. Static here means that it follows the exact same path every time, and executes ...
1
vote
0answers
42 views

Does OpenMp have support for Real Time Multiprocessor Computing?

I am working on a real time multiprocessor scheduling algorithm. I found very few results via google research related to it. A few simulators are available but are not robust enough. OpenMp is an ...
0
votes
0answers
91 views

Whats the best way to parallel my problem using Java API

I´m with trouble, because I want to make faster my code using threads, fork in join or any kind of parallel. I did a code using fork in join but I saw my arraylist isn´t getting the correct values. ...
-2
votes
1answer
247 views

Extracting data from log files

I will be extracting certain bits from log files using regular expressions to filter out bit of data. Initially I was going to do this with Python. I later started to think about the fastest way I can ...
0
votes
0answers
71 views

Report generator windows service polling database for work

I'm building a new report generator for our in-house survey system. (No I can not use any off-the-shelf software. These are highly customized reports.) I want to use Topshelf to host the generator as ...
0
votes
0answers
51 views

Help in finding the total time taken by the entire production?

I have a line object and each line object has an array of tasks associated with it.Each task has a start time and an end time.Each task also has a list of tasks which are its predecessors. So if all ...
2
votes
3answers
209 views

How to simulate and estimate long running application [closed]

We are building a large, modular application that is intended to run across multiple processors. I need to develop a method to estimate how long it will take to run all of the functions. I already ...
1
vote
0answers
179 views

Help/suggestions for Parallel assembly line scheduling (Dynamic programming)

I am working on a problem similar to the assembly line scheduling by dynamic programming.The issue is that unlike the classic problem where we have predefined stations now I only have information ...
2
votes
3answers
317 views

Parallel.For Inconsistency results

I am using VB.net to write a parallel based code. I use Parallel.For to generate pairs of 500 objects or in combination C(500,2) such as the following code; but I found that it didn't always generate ...
0
votes
2answers
658 views

Memory allocation of Classes that don't have any global data and locks

static void Main(string[] args) { var c2 = new Class2(); var c3 = new Class3(); var c1 = new Class1(c2, c3); c1.Method1(); } class Class1 { ...
2
votes
6answers
307 views

Is an atomic action supposed to be deterministic?

I was reading about the at most once property that defines what an atomic action is and I've been curios about this example: x = 0, y = 0 x = y + 1 || y = y + 1 If we use the 'at most once' ...
0
votes
0answers
297 views

Parallel Programing in C#

I have a code where I have to read some Binary files in database. I wrote a For loop that iterate over my file path array, then it call a READ function that read that file into database. I run this ...
6
votes
1answer
435 views

Which parallel pattern to use?

I need to write a server application that fetches mails from different mail servers/mailboxes and then needs to process/analyze these mails. Traditionally, I would do this multi-threaded, launching a ...
5
votes
1answer
323 views

How can I benchmark concurrent key-value stores?

I have some concurrent key-value store implementations that are implemented with hash tables and search trees that I would like to compare. I would like to benchmark them with a real world application ...
1
vote
2answers
326 views

Relation of CPU Hz's and network speed in clusters

In cluster the Amdahl's law, Gustafson's law exists. I though that there might be some law which states the relation between CPU Hz's and network speed: maximum network speed after which no ...
1
vote
1answer
638 views

Parallel computing using xcode

I'm making mandelbrot fractals in C using Xcode and I want to use parallel computing but everything I've tried so far doesn't work. Such as This Question and other how to guides. Whats the easiest way ...
5
votes
1answer
230 views

Asynchronously returning a hierarchal data using .NET TPL… what should my return object “look” like?

I want to use the .NET TPL to asynchronously do a DIR /S and search each subdirectory on a hard drive, and want to search for a word in each file... what should my API look like? In this scenario I ...
-3
votes
1answer
2k views

How to select an appropriate Nvidia GPU for learning CUDA [closed]

What would be a good GPU to start learning CUDA on? Are any GPUs unsuitable?
5
votes
3answers
661 views

Cloud computing platforms only have one CPU. Does this mean I shouldn't use Parallel Programming?

Almost every cloud instance I can find only offers one CPU. Why is this only one CPU now, and should I expect this to increase in the future? Does this design impact my code design so that I exclude ...
4
votes
8answers
569 views

When should I use parallelism? [closed]

After asking this question, I got to realize that parallelism may not always be good. So far I can see that parallelism (under c#) is A little complicated code-wise Will probably insert some ...
50
votes
11answers
10k views

What kind of problems does MapReduce solve?

I have been reading about MapReduce for a while -- but what I can't understand is how someone would make a decision to use (or not use) MapReduce. I mean, what are the problem patterns that signal ...
3
votes
2answers
618 views

Parallel computing and mobile computing

I have been working as software developer for past 4 years on a variety of software products (Financial ERP system, Online Web development, Trading software and now a Supply Chain mgmt software). Most ...
5
votes
2answers
2k views

Debug multiprocessing in Python

What are some good practices in debugging multiprocessing programs in Python?
12
votes
13answers
1k views

What are some common examples of a Parallelizable problem? [closed]

I was just wondering if there were some "standard" examples that everyone uses as a basis for explaining the nature of parallel problems. What are some well-known problems out there that can see great ...
10
votes
3answers
649 views

Studying parallel programming

I'm currently finishing my Bachelor's degree in Computer Science and thinking a lot about which specialisation to choose in my Master's degree. One subject I'm particularly interested in is parallel ...
6
votes
1answer
2k views

Parallel programming library? (+ some features)

Note: this is a reposting as the question has been considered non-suitable for the Stack Overflow forum and should have been posted here. The original topic is there. I'd like to talk of ...
2
votes
4answers
1k views

Is there a canonical book on parallel programming with focus on C++ ? [closed]

I am looking for a good book about parallel programming with focus on C++. Something suitable for a person reasonably good in C++ programming, but with no experience in concurrent software ...