Recent questions tagged Multithreading

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multithreading - Does an asynchronous call always create/call a new thread?

Does asynchronous call always create a new thread? Example: If JavaScript is single threaded then how can it do ... this really an async call? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - How does x86 pause instruction work in spinlock *and* can it be used in other scenarios?

The pause instruction is commonly used in the loop of testing spinlock, when some other thread owns the spinlock, to ... cpu of a physical core? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - C# lock statement, what object to lock on?

I have 3 questions that I need help with. What are the correct objects/references to be passed as lock ... the Windows Form is active? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Using C# MethodInvoker.Invoke() for a GUI app... is this good?

Using C# 2.0 and the MethodInvoker delegate, I have a GUI application receiving some event from either the GUI ... method on the GUI thread? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Android: RunOnUiThread vs AsyncTask

I believe Google suggests developers to use AsyncTask. However, I would like to know how is it different from ... AsyncTask behaves the same) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Does linux schedule a process or a thread?

After reading this SO question I got a few doubts. Please help in understanding. Scheduling involves deciding when ... posted them both here. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - C# thread pool limiting threads

Alright...I've given the site a fair search and have read over many posts about this topic. I found this question: ... once s.Release(); } } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - C++ terminate called without an active exception

I am getting a C++ error with threading: terminate called without an active exception Aborted Here is the code: ... do I fix the error? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - WPF BackgroundWorker vs. Dispatcher

In my WPF application I need to do an async-operation then I need to update the GUI. And this thing I ... than the other? Thank you! Pileggi See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Parallel processing in PHP - How do you do it?

I am currently trying to implement a job queue in php. The queue will then be processed as a batch job ... may the different methods have? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Are locks unnecessary in multi-threaded Python code because of the GIL?

If you are relying on an implementation of Python that has a Global Interpreter Lock (i.e. CPython) and ... implementation that has a GIL. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Is it better to use TThread's "Synchronize" or use Window Messages for IPC between main and child thread?

I have a rather simple multi-threaded VCL gui application written with Delphi 2007. I do some processing in ... message handler's function)? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Android Process Scheduling

I am trying to get a better understanding so I can scope the reliability impact from potential interoperability ... .) Thanks again! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - When is a condition variable needed, isn't a mutex enough?

I'm sure mutex isn't enough that's the reason the concept of condition variables exist; but it beats ... seeing condition variable's purpose. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - How to prefetch data using a custom python function in tensorflow

I am trying to prefetch training data to hide I/O latency. I would like to write custom Python code that ... request_stop() coord.join([t]) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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561 views

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multithreading - Simple Deadlock Examples

I would like to explain threading deadlocks to newbies. I have seen many examples for deadlocks in the past, ... forward What do you recommend? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - How to analyze a java thread dump?

I am trying to understand more about java, especially about memory management and threads. For this reason I have ... be very grateful. Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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650 views

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multithreading - "Collection was mutated while being enumerated" on executeFetchRequest

I'm stuck on a problem for hours now and having read everything about this on stackoverflow (and apply every ... an instance of 'NSException' See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - C# Parallel.ForEach() memory usage keeps growing

public string SavePath { get; set; } = @"I:files"; public void DownloadList(List<string> list) { ... doesn't implement IDisposable interface. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Thread references require static lifetime?

While it makes sense intuitively that references passed to spawned threads need to have static lifetimes, I'm unclear ... what I'm missing! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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498 views

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multithreading - c++ work queues with blocking

This question should be a little simpler than my last few. I've implemented the following work queue in my ... thread that created them exits? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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798 views

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multithreading - Workaround for ncurses multi-thread read and write

This is what says on http://invisible-island.net/ncurses/ncurses.faq.html#multithread If you have a program ... the standard ncurses library. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Are incrementers / decrementers (var++, var--) etc thread safe?

Inspired by this question: In Complexity Analysis why is ++ considered to be 2 operations? Take the ... assembly instructions thread safe? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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605 views

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multithreading - How to manage db connections on server?

I have a severe problem with my database connection in my web application. Since I use a single database ... incurr in the same problem. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Identifying the client during a .NET remoting invocation

Given this MarshalByRef class: public class MyRemotedClass : MarshalByRef { public void DoThis() { ... } public void ... list is not an option. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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463 views

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multithreading - How do I implement the Sieve Of Eratosthenes using multithreaded C#?

I am trying to implement Sieve Of Eratosthenes using Mutithreading. Here is my implementation: using System; using ... primeList; } Thank you. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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542 views

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multithreading - Python code performance decreases with threading

I've written a working program in Python that basically parses a batch of binary files, extracting data into a ... or ways I could clarify. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - running 3 threads in sequence java

I have 3 threads 1st printing A 2nd printing B 3rd printing C I want to print in sequence A B C A B C A B C and ... 3 :"+e.getMessage()); } } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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