Category "multithreading"

Tried to implement Leetcode's FizzBuzz multithreading question from scratch. Getting "libc++abi.dylib: terminating" error

I started learning multithreading a few days ago because of a coming internship interview. I learned it and tried to solve Leetcode's FizzBuzz multithreading qu

Can I Set The Number Of Threads From An External FIle in Apache Jmeter?

I have many JMeter scripts that are testing different scenarios and I want to create a configuration file for some common values across my scripts, so I will no

How to import functions from an external namespace onto my project in c sharp

I want to import functions from a different namespace in an external file into my c sharp project. But what's the right method to do it. I copied the .cs file w

A case for multiprocessing?

Say I have a function that gives me a lot of data coming from a device when called. I want to accumulate this data in a memory buffer. When the buffer reaches a

AtomicReference not working to avoid race condition in java multi threading

I have a "User.java" class that has Integer variable count initially set to 0. In another class "ThreadDemo.java" I have set the User object in AtomicReference.

Is Apache EventListenerSupport thread safe?

Summary The org.apache.commons.lang3.event.EventListenerSupport is used in order to fire when some class performs a certain operation and wants to inform all li

Raising exceptions in a thread

I tried to get the example 1 Raising exceptions in a python thread using PyThreadState_SetAsyncExc() from geeksforgeeks Different ways to kill a Thread running.

linux fcntl file lock with timeout

the standard linux fcntl call doesn't provide a timeout option. I'm considering implement a timeout lock with signal. Here is the description of blocking lock

Execution Flow for Executor Service

I am using Executor Service for multithreading. I have the below code: ExecutorService executor = Executors.newFixedThreadPool(100); final Multimap<String,

Real time plotting of serial data with python and tkinter

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

Tensorflow: num_intra_threads and num_inter_threads

I'm trying to clarify two parameters: intra_op_parallelism_threads and inter_op_parallelism_threads . I assume intra_op_parallelism_threads means the number o

Atomic Operations for Multithreading in SBCL

I'm getting an error when loading a function that contains an atomic operation. As a simple example, the file test.lisp contains: (defparameter *count* 0) (def

Why is my .Net app only using single NUMA node?

I have a server with 2 NUMA node with 16 CPUs each. I can see all the 32 CPUs in task manager, first 16 (NUMA node 1) in the first 2 rows and the next 16 (NUMA

How to share a numpy array between multiple threads python?

I was actually trying to modify some yolov5 script. Here I'm trying to pass an array between threads. def detection(out_q): while(cam.isOpened()): r

How to limit number of parallel executions in ParallelStream?

list.parallelStream().forEach(element -> ...); How can I limit the number of parallel threads nowadays? There was a "hack" in the past to set a System prope

Multiprocessing OpenCV in Python

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

Multithreading not improving results in python?

I am applying Multi-threading to a python script to improve its performance. I don't understand why there is no improvement in the execution time. This is the c

How to know which specific runnable has died in my threadPoolExecutor?

I am running a fixed amount of threads using newFixedThreadPool() and need to be able to know when one of the runnables has died, and know which specific run

C Producer-Consumer Using PThreads

I am working on a problem where I am implementing a program that mimics the producer-consumer paradigm. The code that I am using works when I only have one prod

Odd-Even sort Java using multithreading

I am new to this group, so I believe it is a possibility to get help here since I could not find any information about my question on Google. I am trying to imp