omnithreadlibrary

Why is OmniThreadLibrary limited to 60 threads when .Net's limit is 32768?

徘徊边缘 提交于 2019-11-29 15:01:15
I was recently comparing OmniThreadLibrary and ThreadPool that is in .NET and I found that Omni is much more restricted in maximum threads — 60 allowed — while .NET can go up to 32768 in .NET 4.0. Why such a limit? GolezTrol It's an historic choice that once may be lifted. The limit is only there on the threadpool implementation. An explanation is given on the website , stating the following: The limitation of 60 concurrent threads only applies to the thread pool. Thread pool is designed for fast execution of many small requests, not as a storage for rarely-active threads. You can just skip

How to use Pipeline pattern in Delphi

左心房为你撑大大i 提交于 2019-11-29 13:04:08
I am trying to implement a Pipeline pattern in my test project ( How to make a Mutlithreded idhttp calls to do work on a StringList ), but am having a struggle adapting TThread code to Pipeline pattern code. There are not many resources about how to use it. I tried my best below, please DO NOT downvote, I know my code is messy but I'll edit my question if needed. type TForm2 = class(TForm) ... private procedure Retriever(const input: TOmniValue; var output: TOmniValue); procedure Inserter(const input, output: IOmniBlockingCollection); function HttpGet(url: string; var page: string): boolean;

How to update progress indicator from a second thread?

假如想象 提交于 2019-11-29 10:47:03
问题 I have a main form with a progress indicator on it. In the datamodule I've ten datasets, each of them has an OnBeforeOpen event defined. I would like to show through the progress bar in the main form a percentage of progress of the opened datasets. Since I'm completely new to multithreading programming, can someone please give me some advice? Thank you very much 回答1: Either post a message from the thread to the main thread and update the progress bar from there or use the TThread.Queue method

Why is OmniThreadLibrary limited to 60 threads when .Net's limit is 32768?

夙愿已清 提交于 2019-11-28 09:08:01
问题 I was recently comparing OmniThreadLibrary and ThreadPool that is in .NET and I found that Omni is much more restricted in maximum threads — 60 allowed — while .NET can go up to 32768 in .NET 4.0. Why such a limit? 回答1: It's an historic choice that once may be lifted. The limit is only there on the threadpool implementation. An explanation is given on the website, stating the following: The limitation of 60 concurrent threads only applies to the thread pool. Thread pool is designed for fast