What are the differences between the threading and multiprocessing modules?
I am learning how to use the threading and the multiprocessing modules in Python to run certain operations in parallel and speed up … Read more
parallel-processing
No ConcurrentList in .Net 4.0?
I was thrilled to see the new System.Collections.Concurrent namespace in .Net 4.0, quite nice! I’ve seen ConcurrentDictionary, ConcurrentQueue, ConcurrentStack, ConcurrentBag and BlockingCollection. One … Read more
Is there an equivalent to ‘continue’ in a Parallel.ForEach?
I am porting some code to Parallel.ForEach and got an error with a continue I have in the code. Is there something equivalent … Read more
Optimal number of threads per core
Let’s say I have a 4-core CPU, and I want to run some process in the minimum amount of time. The process is … Read more
How do you run multiple programs in parallel from a bash script?
I am trying to write a .sh file that runs many programs simultaneously I tried this prog1 prog2 But that runs prog1 then … Read more
What is the difference between asynchronous programming and multithreading?
I thought that they were basically the same thing — writing programs that split tasks between processors (on machines that have 2+ processors). … Read more
What is the difference between concurrent programming and parallel programming?
What is the difference between concurrent programming and parallel programing? I asked google but didn’t find anything that helped me to understand that … Read more
How do I parallelize a simple Python loop?
This is probably a trivial question, but how do I parallelize the following loop in python? # setup output lists output1 = list() … Read more
How to wait for all threads to finish, using ExecutorService?
I need to execute some amount of tasks 4 at a time, something like this: ExecutorService taskExecutor = Executors.newFixedThreadPool(4); while(…) { taskExecutor.execute(new MyTask()); … Read more
Custom thread pool in Java 8 parallel stream
Is it possible to specify a custom thread pool for Java 8 parallel stream? I can not find it anywhere. Imagine that I … Read more