Questions tagged as 'paralelismo'

Tagged questions
3
answers

What is parallel programming?

I have some doubts about parallel programming: What is parallel programming? Is it a programming technique or paradigm? Is there a specific language for parallel programming? In what cases is it better to use parallel programming?
asked by 26.03.2015 / 00:05
3
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What are Parallel.For and Parallel.ForEach loop?

I saw the use of Parallel.For and Parallel.ForEach in some places, I know they are loops , but I did not understand how and when to use them and I have my doubts. What are loop Parallel.For and Parallel.ForEach...
asked by 04.09.2017 / 14:38
1
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Concurrent Programming x Parallel x Distributed

What are they, what are the characteristics of each? Problems that each one proposes to solve? Main difference between them?     
asked by 20.07.2015 / 20:15
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What is the purpose of the pcntl_fork function?

I was looking for some solution in PHP, where I could execute a script without waiting for a function that processes delayed things to be expected to finish executing it. I came across the pcntl_fork function. I saw that it creates a...
asked by 02.06.2017 / 16:09
2
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How Parallel hint works

One of the first things I see a galley suggesting to increase the performance of a query in Oracle is the use of hint Parallel . What are the benefits / risks that the use of this hint can bring, can I have problems with compe...
asked by 11.07.2017 / 15:46
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What is the meaning of the acronyms SISD, SIMD, MISD, MIMD? What is your relationship with programming?

In some answers and questions I see citations to these acronyms. They are usually embedded in the following table: | Single data | Multiple data Single instruction | SISD | SIMD Multiple instruction | MISD...
asked by 21.11.2017 / 15:27
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Why is a FOR of the loop faster than 10 FOR together

I made a for alone count to 1000000 (sending 1 message to each loop ) and it took 14 seconds. public class main { public static void main(String[] args) throws InterruptedException { long init = System.currentTimeMillis();...
asked by 07.07.2015 / 03:46
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Number of threads on a 16-processor machine

A question fell on my test of Operating Systems and I was in doubt. During the test I got confused and I marked the alternative D, today I know that she is wrong and has nothing to do. I'm tending more to alternative A, given that the maximum pe...
asked by 10.12.2015 / 18:56
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C # Parallel.ForEach equivalent in JavaScript

I'm trying to write methods with behavior similar to Array.prototype.forEach and Array.prototype.map , but using multiple threads. For Array.prototype.parallelMap , I did the following: Array.prototype.parallelMap =...
asked by 19.01.2016 / 21:24
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Parallelism and Entity Framework

I'm having some problems using parallelism (I'm not very knowledgeable in this area) with C # and Entity Framework. My scenario is as follows, I'm using an ASP.NET MVC application and inside it I have a list of objects that I do several valid...
asked by 22.12.2015 / 12:55