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Showing posts with the label Multiprocessing

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)")

Implementing Pyqtgraph Multiprocessing Into A Pyqt Widget

I am trying to plot images on a GUI that I am designing in Python. The full program will be collect… Read more Implementing Pyqtgraph Multiprocessing Into A Pyqt Widget

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?

Multiprocessing: Pool And Pickle Error -- Pickling Error: Can't Pickle : Attribute Lookup __builtin__.instancemethod Failed

I have two files: x.py class BF(object) def __init__(): . . def add(self,z): . . … Read more Multiprocessing: Pool And Pickle Error -- Pickling Error: Can't Pickle : Attribute Lookup __builtin__.instancemethod Failed

Multiprocessing Vs Gevent

Currently I am using zeromq with pub-sub pattern, I have single worker to publish and many(8) subsc… Read more Multiprocessing Vs Gevent

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

Why In Python Map() And Multiprocessing.pool.map() Got Different Answers?

I had a strange problem. I have a file of the format: START 1 2 STOP lllllllll START 3 5 6 STOP an… Read more Why In Python Map() And Multiprocessing.pool.map() Got Different Answers?

Python: Cross-platform Solution To Detect Physical Non-ht Cpus?

I'm trying to detect the number of non-HyperThreading cores on a machine using a cross-platform… Read more Python: Cross-platform Solution To Detect Physical Non-ht Cpus?

How To Access The Result Of A Function Called In A Multiprocessing Process?

I am runnning this code : import random import multiprocessing import time def list_append(count,… Read more How To Access The Result Of A Function Called In A Multiprocessing Process?

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

How To Get Concurrent.futures Processpoolexecutor Work With A Dictionary?

I watched the python multiprocessing tutorial on youtube, here's the link https://www.youtube.c… Read more How To Get Concurrent.futures Processpoolexecutor Work With A Dictionary?

Python : Creating A New Process

I am new to Python . I was supposed to create a GUI with multiple menus . On clicking a particular … Read more Python : Creating A New Process

Multiprocessing Error With Results

I have a small problem in a big program, so I made a small example, which shows my problem: import … Read more Multiprocessing Error With Results

Multiprocessing Asyncresult.get() Hangs In Python 3.7.2 But Not In 3.6

I'm trying to port some code from Python 3.6 to Python 3.7 on Windows 10. I see the multiproce… Read more Multiprocessing Asyncresult.get() Hangs In Python 3.7.2 But Not In 3.6

Order Of Subprocesses Execution And It's Impact On Operations Atomicity

I'm learning python multiprocessing module and I've found this example (this is a bit modif… Read more Order Of Subprocesses Execution And It's Impact On Operations Atomicity

Multiprocessing On A Single Core?

I was using this following example to try & figure out the multiprocessing module in Python, bu… Read more Multiprocessing On A Single Core?

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

Running Unit Tests In Parallel With Pytest?

How can I parallelize the execution of the unit tests written with pytest? Which tactics of paralle… Read more Running Unit Tests In Parallel With Pytest?

Sharing Synchronization Objects Through Global Namespace Vs As A Function Argument

If I need to share a multiprocessing.Queue or a multiprocessing.Manager (or any of the other synchr… Read more Sharing Synchronization Objects Through Global Namespace Vs As A Function Argument

Python Multiprocessing And Independence Of Children Processes

From the python terminal, I run some command like the following, to spawn a long-running child proc… Read more Python Multiprocessing And Independence Of Children Processes