Category "multithreading"

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

Post request with threading

Here is my snippet: urls = ["http://goggle.com", "http://linux.com"] headers = {'Content-type': 'application/json', 'Accept': 'text/plain'} data= {"k1": "v1"} f

Locust Python: Kafka Consumer in a separate thread

I'm using Locust for load testing. I want to register a Kafka consumer in separate thread to measure the time of message processing. Here is what I got now: def

Is .GetAwaiter().GetResult(); safe for general use?

I read in a few places that .GetAwaiter().GetResult(); could cause deadlocks and that we should use async/await instead. But I see many code samples where this

Parallelizing different functions at the same time in python

I want to execute f1 and f2 at the same time. but the following code doesn't work! from multiprocessing import Pool def f1(x): return x*x def f2(x): return x

Why did the Django model return an empty queryset in the thread pool?

I used ThreadPoolExecutor in my API. in the test case, I generated a Movie instance and saved it in the database (PostgreSQL). I printed movie count in the test

what happens if thread calls join() on itself

From what i read here Thread join on itself ; When join method is called on itself, it should wait forever I am currently preparing for ocajp 8 certificatio

How to read into a running processus in c?

Hi how to read into a processus and how to use IMAGE_FILE_HEADER to read the pe header in this processus, thanks for replies:) sorry for my english i'm french

static ScheduledThreadPoolExecutor in CompletableFuture.Delayer

In java-9 the new method completeOnTimeout in the CompletableFuture class was introduced: public CompletableFuture<T> completeOnTimeout(T value, long time