Category "parallel-processing"

Parallelizing Monte Carlo Tree Search

I have a Monte Carlo Tree Search implementation that I need to optimize. So I thought about parallelizing the rollout phase. How to do that? (Is there a code ex

How to initialize workers to use package functions in parallel

I am developing an R package and trying to use parallel processing in it for an embarrassingly parallel problem. I would like to write a loop or functional that

How large should my list of objects be to warrant the use of java 8's parallelStream?

I have a list of objects from the database and i want to filter this list using the filter() method of the Stream class. New objects will be added to the databa

Unable to achieve async/parallel behavior inside for loop while using FastAPI and Ormar

I am using FastAPI and have an async route that needs to do many things like making calls to other API endpoints, and reading/writing to a database. It iterates

Is reading from Python zipfile thread-safe?

I have seen several differing opinions on this. I don't see anything in the latest docs (3.9.2). Can I read multiple different entries in a ZipFile safely? I ha

How to fix C function R_nc4_get_vara_double returned error in ncdf4 parallel processing in R

I want to download nc data through OPENDAP from a remote storage. I use parallel backend with foreach - dopar loop as follows: # INPUTS inputs=commandArgs(trail

Parallel/Concurrent Method Execution in JavaScript

I am wanting to learn how to run functions in parallel/concurrently in JavaScript. Over the past few days I've read several pages about promises, async function

Slurm parallel "steps": 25 independent runs, using 1 cpu each, at most 5 simultaneously

I was previously using HTCondor as a cluster scheduler. Now even after reading Slurm documentation, I have no idea how to parallelize... What I want to achieve

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

A second operation started on this context before a previous asynchronous operation completed

Message: "System.NotSupportedException was unhandled Message: An unhandled exception of type 'System.NotSupportedException' occurred in mscorlib.dll Additional

Best way to wait for queue population python multiprocessing

It is first time I play with parallel computing seriously. I am using multiprocessing module in python and I am running into this problem: A queue consumer run

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

Jenkinsfile Pipeline DSL: How to Show Multi-Columns in Jobs dashboard GUI - For all Dynamically created stages - When within PIPELINE section

Jenkins 2.89.4 rolling I saw almost all stackoverflow posts which show how we can successfully run parallel steps/stages (using list/maps etc) --OR hardcoding

Need Help Understanding OpenMP Matrix Multiplication C++ code

Here is my Matrix Multiplication C++ OpenMP code that I have written. I am trying to use OpenMP to optimize the program. The sequential code speed was 7 seconds

convert df.apply to spark to run parallely iusing all the cores

We have a panda dataframe that are using. We have a function we use in retail data which runs on a daily basis row by row to calculate the item to item differe

How can I import thread package in Python 3?

I want to import thread package in Python 3.6. But this error is occurred: import thread ModuleNotFoundError: No module named 'thread'

Prevent Android function call from running before its predecessor completes?

I am running a main function that calls three others in succession like this: public void test() { countdown(); secondMethod(); lastMethod(); }

What is the difference between limitedParallelism vs a fixed thread pool dispatcher?

I am trying to use Kotlin coroutines to perform multiple HTTP calls concurrently, rather than one at a time, but I would like to avoid making all of the calls c

Running parallel jobs in slurm

I was wondering if I could ask something about running slurm jobs in parallel.(Please note that I am new to slurm and linux and have only started using it 2 day

Python Multiprocessing concurrency using Manager, Pool and a shared list not working

I am learning python multiprocessing, and I am trying to use this feature to populate a list with all the files present in an os. However, the code that I wrote