Trending Parallel Programming Discussions

What is the difference between concurrency and parallelism? Is parallel program by default concurrent, or is concurrent program by default parallel?‎

The machine that runs the program has multi-core processor?‎

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How to calculate the expected gain in the performance, if program code needs to be modified from single-thread to multi-threaded?‎

The cpu on the machine that will run the program has10 cores(20 logical cpus)‎

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I have knowledge in both Java and C++, on which one do you recommend me to focus on? I have recently taken a course on parallel programming in C/C++.‎

my skills in both languages are intermediate.‎

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Any benchmarks regarding computation speed for Apache Spark vs MapReduce paradigm using Big Data sets ?‎

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Answer added by  Muhammed Sallout, Technology Development Manager, GLORY TECHNOLOGY
10 years ago

Parallelism is one form of Concurrency, where Concurrency means, that task A and task B both need to happen independently of each other, and B starts before A is finished ... See More

 

Answer added by  MUKESH KUMAR
6 years ago

if you are a quick lerner so i think it easy to manage both language.so my suggestion is if you are learn c++,so it is good for learning java.

 

Answer added by  Shafi Ahmad, Principal Software Engineer, Microsoft India Pvt Ltd
6 years ago

If you are good in C++, you can be a mater in Java but reverse may not be true. So my suggestion is to focus on C++. Good Luck. 

 

Answer added by  Daanish Rumani, Product Manager, Publicis Sapient
10 years ago

It actually depends on the nature of the program. If the program itself is single threaded then the expected gain is zero. In general if you have n parallel threads in yo ... See More