I have N independent tasks that are executed in a multiprocessing.Pool of size os.cpu_count() (8 in my case), with maxtasksperchild=1 (i.e. a fresh worker proce
So I'm trying to use multiprocessing Manager on a dict of dicts, this was my initial try: from multiprocessing import Process, Manager def task(stat): tes
When I create a PyTorch DataLoader and start iterating -- I get an extremely slow first epoch (x10--x30 slower then all next epochs). Moreover, this problem occ
I don't know much of Python yet, but I'm trying to create an app that controls multiple streams of sound simultaneously (It has to do with binaural beats, noise
I have been working for some time to find a way to graph incoming data from an arduino with a Python GUI. I was able to accomplish this using the Matplotlib ani
I read an old question Why does this python multiprocessing script slow down after a while? and many others before posting this one. They do not answer the prob
I have a simple Algorithm, I want to run it fast in parallel. The algo is. while stream: img = read_image() pre_process_img = pre_process(img) text
Here is my full code I have succeeded to reproduce the behavior of my main code with a little snippet. In a Google Colab Env, suppose I setup hardware accele
I'm looking for a possibility to use uvicorn.run() with a FastAPI app but without uvicorn.run() is blocking the thread. I already tried to use processes, subpro
It is first time I play with parallel computing seriously. I am using multiprocessing module in python and I am running into this problem: A queue consumer run
Question related to the topic of Parallelism in Self-Hosted Runners: One self-hosted runner can only run one job at a time, when no available runners are id
I'm trying to open the same .zip file from multiple processes using zipfile and multiprocessing. When I open the .zip file using the with zipfile.ZipFile(self.
I'm having trouble understanding how to implement queue into a multiprocessing example below. Basically, I want the code to: 1) spawn 2 processes (done) 2) s
I have the simplest Swoole code, which sleeps for a second and prints "Run task" message to the screen. <?php namespace Tests\Util; use PHPUnit\Framework\T
I would like to use Pool within a class, but there seems to be a problem. My code is long, I created a small-demo variant to illustrated the problem. It would b
Suppose I have the following function: def f(x,y): return x*y How do I apply the funtion to each element in an NxM 2D numpy array using the multiprocessi
I'm working on a data analysis project in Python and I'm using a HPC cluster to process my data. I'm having a hard time getting my program to use multiple CPUs
FOR THOSE READING THIS: I have decided to use RQ instead which doesn't fail when running code that uses the multiprocessing module. I suggest you use that. I a
To make my code more "pythonic" and faster, I use "multiprocessing" and a map function to send it a) the function and b) the range of iterations. The implanted
Does user level threads take advantage of multiprocessing ? I read one such answer here. But, it's not clear though. What does it mean by "user threads cannot