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Showing posts with the label Python Multiprocessing

How Can I Update Class Members In Processes?

I have looked for other questions, and this un-accepted-answered question is the only one I could f… Read more How Can I Update Class Members In Processes?

Python Multiprocessing: Abort Map On First Child Error

What's the proper way of aborting multiprocessing when one of the child aborts and/or throw an … Read more Python Multiprocessing: Abort Map On First Child Error

Pickling Python Function Fails With Processpoolexecutor In A Decorator

So I asked this question and tried the ProcessPoolExecutor approach. I used the decorator suggested… Read more Pickling Python Function Fails With Processpoolexecutor In A Decorator

Python Multiprocessing/threading Code Exits Early

I'm trying to create multiple processes which each call multiple threads. I'm running the f… Read more Python Multiprocessing/threading Code Exits Early

Passing Multiple Arguments To Pool.map Using Class Function

I'm trying to thread as described in this post, and also pass multiple arguments in Python 2.7 … Read more Passing Multiple Arguments To Pool.map Using Class Function

Multiprocessing/threading: Data Appending & Output Return

I have a lengthy function called run below that contains a few instances of appending data. from mu… Read more Multiprocessing/threading: Data Appending & Output Return

Multiprocessing Initialising A Function In A Class

I am trying to initialise a function in a class using multiprocessing, by calling it from a functio… Read more Multiprocessing Initialising A Function In A Class

Optimizing Multiprocessing.pool With Expensive Initialization

Here is a complete simple working example import multiprocessing as mp import time import random … Read more Optimizing Multiprocessing.pool With Expensive Initialization

What's The Point Of Multithreading In Python If The Gil Exists?

From what I understand, the GIL makes it impossible to have threads that harness a core each indivi… Read more What's The Point Of Multithreading In Python If The Gil Exists?

Python Multiprocessing Pool Stuck

I'm trying to run some sample code of the multiprocessing.pool module of python, found in the w… Read more Python Multiprocessing Pool Stuck

Python Multiprocessing Issue In Windows And Spyder

I have a project for my college regarding multiprocessing in python.For my python projects I use sp… Read more Python Multiprocessing Issue In Windows And Spyder

Python Multiprocessing - Why Is Using Functools.partial Slower Than Default Arguments?

Consider the following function: def f(x, dummy=list(range(10000000))): return x If I use mult… Read more Python Multiprocessing - Why Is Using Functools.partial Slower Than Default Arguments?

How To Sweep Many Hyperparameter Sets In Parallel In Python?

Note that I have to sweep through more argument sets than available CPUs, so I'm not sure if Py… Read more How To Sweep Many Hyperparameter Sets In Parallel In Python?

Across Process Boundary In Scoped_session

I'm using SQLAlchemy and multiprocessing. I also use scoped_session sinse it avoids share the s… Read more Across Process Boundary In Scoped_session

No Output From Process Using Multiprocessing

I am a beginner in multiprocessing, can anyone tell me why this does not produce any output? import… Read more No Output From Process Using Multiprocessing

How To Resize A Shared Memory In Python

I want to use an array for shared memory. The problem is the program is structured in such a way th… Read more How To Resize A Shared Memory In Python

Can't Map A Function To Tarfile Members In Parallel

I have a tarfile containing bz2-compressed files. I want to apply the function clean_file to each o… Read more Can't Map A Function To Tarfile Members In Parallel

Python Multiprocessing, Functions With Arguments

I have a program that simulates an entire baseball season, but does a lot of calculations per game,… Read more Python Multiprocessing, Functions With Arguments

Python Asyncio Having Trouble With Running Two Infinite Functions Asynchronously

So I have been trying to run two functions simultaneously but one never seems to work unless I stop… Read more Python Asyncio Having Trouble With Running Two Infinite Functions Asynchronously

Python Multiprocessing: Broken Pipe Exception After Increasing Pool Size

The exception I get. All I did that I increased pool count Code def parse(url): r = request.get(… Read more Python Multiprocessing: Broken Pipe Exception After Increasing Pool Size