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Showing posts with the label Multiprocessing

Python Multiprocess Can't Pickle Opencv Videocapture Object

I am trying to create a independent process to handle my image acquire from camera. But multiproces… Read more Python Multiprocess Can't Pickle Opencv Videocapture Object

Subprocess Not Returning Data As Expected

I am using the accepted answer from this question. The relevant code is below. import multiprocessi… Read more Subprocess Not Returning Data As Expected

Need To Create A Large Number Of New Processes Very Quickly In Windows/python

In order to test some security software, I need to be able to create a large (configurable) number … Read more Need To Create A Large Number Of New Processes Very Quickly In Windows/python

Detect Failed Tasks In Concurrent.futures

I've been using concurrent.futures as it has a simple interface and let user easily control the… Read more Detect Failed Tasks In Concurrent.futures

Why Does My Print Function (in Multiprocessing) Print Nothing?

why does my print function (in python multiprocess) print nothing? from multiprocessing import Proc… Read more Why Does My Print Function (in Multiprocessing) Print Nothing?

How To Terminate A Single Async Task In Multiprocessing If That Single Async Task Exceeds A Threshold Time In Python

How to terminate a single async task using multiprocessing in WINDOWS if that single async task exc… Read more How To Terminate A Single Async Task In Multiprocessing If That Single Async Task Exceeds A Threshold Time In Python

Adding Values To Set Contained In Multiprocessing.manager().list()

I am trying to update a Manager().list() of sets with tuples but having trouble getting anything to… Read more Adding Values To Set Contained In Multiprocessing.manager().list()

Error: ('im005', "[im005] [unixodbc][driver Manager]driver's Sqlallochandle On Sql_handle_dbc Failed (0) (sqldriverconnect)")

I am running this code in my pyodbc script where I am trying to do parallelism templst = [lineitem,… Read more Error: ('im005', "[im005] [unixodbc][driver Manager]driver's Sqlallochandle On Sql_handle_dbc Failed (0) (sqldriverconnect)")

Difference In Behavior Between Os.fork And Multiprocessing.process

I have this code : import os pid = os.fork() if pid == 0: os.environ['HOME'] = 'r… Read more Difference In Behavior Between Os.fork And Multiprocessing.process

How To Parallelize Iteration Over A Range, Using Stdlib And Python 3?

I've been searching for an answer on this now for days to no avail. I'm probably just not u… Read more How To Parallelize Iteration Over A Range, Using Stdlib And Python 3?

Python Multiprocess Non-blocking Intercommunication Using Pipes

Is it possible to receive process intercommunications using Pipes in a non-blocking fashion? Consid… Read more Python Multiprocess Non-blocking Intercommunication Using Pipes

Mysql Select Request In Parallel (python)

I saw a 'similar' post Executing MySQL SELECT * query in parallel, buy my question is diffe… Read more Mysql Select Request In Parallel (python)

Multiprocessing With Python Process

I'm trying to modify a Python script to multiprocess with 'Process'. The problem is it&… Read more Multiprocessing With Python Process

Pickling Error When Multithreading - Design Or Code Issue?

I'm writing a tool in pygtk which needs to deal with recursively parsing large directories, and… Read more Pickling Error When Multithreading - Design Or Code Issue?

Picklingerror When Using Multiprocessing

I am having trouble when using the Pool.map_async() (and also Pool.map()) in the multiprocessing mo… Read more Picklingerror When Using Multiprocessing

Fast Queue Of Read Only Numpy Arrays

I have a multiprocessing job where I'm queuing read only numpy arrays, as part of a producer co… Read more Fast Queue Of Read Only Numpy Arrays

Multi-tasking With Multiprocessing Or Threading Or Asyncio, Depending On The Scenario

I have my codes ready for 1 at a time performance, I wanna upgrade it to something fancy, multi-tas… Read more Multi-tasking With Multiprocessing Or Threading Or Asyncio, Depending On The Scenario

High Kernel Cpu When Running Multiple Python Programs

I developed a python program that does heavy numerical calculations. I run it on a linux machine wi… Read more High Kernel Cpu When Running Multiple Python Programs

Python Multiprocessing Keyword Arguments

Here is a simple example of using keyword arguments in a function call. Nothing special. def foo(a… Read more Python Multiprocessing Keyword Arguments

Python Multiprocessing On Windows 10

I'm running some code on both a Windows 7 pc and a Windows 10 laptop: def project(filename): … Read more Python Multiprocessing On Windows 10