Recent questions tagged Multithreading

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multithreading - Tomcat 7 Async Processing

I am wondering how Tomcat 7 implements async processing. I understand that the request thread returns immediately, ... on CPU calculations? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Can someone provide an easy explanation of how 'Full Fences' are implemented in .Net using Threading.MemoryBarrier?

I'm clear on the usage of MemoryBarrier, but not on what happens behind the scenes in the runtime. Can anyone ... explanation of what goes on? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Please explain initialization safety as spelled out in Java memory model

Can some one explain initialization safety as required by Java memory model ? How does the final fields ... ensuring initialization safety ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - In multithreaded C/C++, does malloc/new lock the heap when allocating memory

I'm curious as to whether there is a lock on memory allocation if two threads simultaneously request to allocate ... Windows and Mac as well. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - a new thread for running a cell in ipython/jupyter notebook

Sometimes it takes a long time to run a single cell, while it is running, I would like to write and run ... shared global data in the notebook? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - multithread server/client implementation in C

I have just started learning basic networking concepts.I am trying to implement a multithread server-client prog in C ... ); return 0; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - How does a read-write mutex/lock work?

Let's say I'm programming in a threading framework that does not have multiple-reader/single-writer mutexes. ... , would also be appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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810 views

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multithreading - Multi-threading in MATLAB

I have read MATLAB's info on multi-threading and how it is in-built in certain functions. However, my ... can further research on. Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Equivalent of setInterval in python

I have recently posted a question about how to postpone execution of a function in Python (kind of equivalent to ... printing 'bar' 5 times. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - TensorFlow/Keras multi-threaded model fitting

I'm attempting to train multiple keras models with different parameter values using multiple threads (and the ... same GPU memory allocation. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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689 views

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multithreading - How to pass a variable by name to a Thread in Python?

Say that I have a function that looks like: def _thread_function(arg1, arg2=None, arg3=None): #Random code Now ... to the thread as arg2? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Do multi-core CPUs share the MMU and page tables?

On a single core computer, one thread is executing at a time. On each context switch the scheduler checks if ... references on the subject ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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657 views

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multithreading - What is the best way to write to a file in a parallel thread in Java?

I have a program that performs lots of calculations and reports them to a file frequently. I know that ... better way to accomplish this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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681 views

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multithreading - OpenGL Rendering in a secondary thread

I'm writing a 3D model viewer application as a hobby project, and also as a test platform to try out ... a lot of useful information there. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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557 views

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multithreading - Use cases for ithreads (interpreter threads) in Perl and rationale for using or not using them?

If you want to learn how to use Perl interpreter threads, there's good documentation in perlthrtut (threads tutorial ... or not using them? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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697 views

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multithreading - How to wait for a thread to finish in Objective-C

I'm trying to use a method from a class I downloaded somewhere. The method executes in the background while program ... . How do I do that? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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825 views

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multithreading - Return values from Java Threads

I have a Java Thread like the following: public class MyThread extends Thread { MyService service; String id; ... how I can accomplish this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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817 views

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multithreading - C++ 2011 : std::thread : simple example to parallelize a loop?

C++ 2011 includes very cool new features, but I can't find a lot of example to parallelize a for-loop. So ... an example). Thank you very much. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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766 views

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multithreading - C# Call a method in a new thread

I am looking for a way to call a method on a new thread (using C#). For instance, I would like to ... anyone come across any examples of this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Are final static variables thread safe in Java?

I've read around quite a bit but haven't found a definitive answer. I have a class that looks like this: ... been edited to give more context.) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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953 views

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multithreading - Are Python instance variables thread-safe?

OK, check following codes first: class DemoClass(): def __init__(self): #### I really want to know if self. ... this resource, any better idea? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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759 views

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multithreading - QFuture that can be cancelled and report progress

The QFuture class has methods such as cancel(), progressValue(), etc. These can apparently be monitored via a ... ) What options are available? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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627 views

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multithreading - Use of the terms "queues", "multicore", and "threads" in Grand Central Dispatch

I am trying to get my head around the concepts of Grand Central Dispatch. I want to understand these quotes ... each thread perform a task? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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662 views

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multithreading - How to explain the "deadlock" better?

I am struggling to explain "deadlock" in threads in easy words, so please help. What could be the best example of ... -- it would be superb! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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720 views

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multithreading - Run Class methods in threads (python)

I'm currently learning Python and Classes and I have a basic question, but I didn't find any answer to it. Let' ... is the right way to do that? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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894 views

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multithreading - What is the difference between Workers and Threads in Puma

What is the difference between a puma worker and a puma thread in context of a heroku dyno? What I know ( ... to add web concurrency in Heroku? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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781 views

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multithreading - Python Multiprocessing Process or Pool for what I am doing?

I'm new to multiprocessing in Python and trying to figure out if I should use Pool or Process for ... the previous implementation with Process? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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918 views

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multithreading - CompletableFuture, supplyAsync() and thenApply()

Need to confirm something. The following code: CompletableFuture .supplyAsync(() -> {return doSomethingAndReturnA();} ... block in other places? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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