Questions tagged [parallelism]
The parallelism tag has no summary.
95 questions
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Diagram for Parallel processes
What type of diagram can I use to model parallel processes interacting with a shared set of resources, along with the state of those resources at each point in time?
My motivation is I have a bug that ...
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Can multi-threading improve performance of an IO-bound process?
I am trying to understand the difference between CPU Bound vs IO Bound process. ChatGPT suggested that multi-threading/parallel processing can help a CPU bound process; However, I think that having ...
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NIC handling multiple packets at once
Can NIC handle(send/receive) multiple packets at once?
For example, 2 asynchronous tasks request 2 different things from a database. Are those 2 requests sent simultaneously by NIC? Also, are the ...
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Distribution of processing across cores between a LINQ and PLINQ query
I am trying to create a simple demonstration of using 'parallel LINQ' (PLINQ). I have two versions of my task, in C#:
var result = Enumerable.Range(1,1000000).Where(x => IsPrime(x)).ToList();
...
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Multi-threaded design for continuous messages analysis
Since I don't have much knowledge of multi-threaded design and English is not my native language, I don't know how to exactly describe my problem.
Let's say I have a mini-program in school, which has ...
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Does "green threads" necessarily imply cooperative multitasking?
Java used to have green threads, i.e., implemented inside the VM.
The description of Python Eventlets says
"Eventlet is built around the concept of green threads (i.e. coroutines...).... Green ...
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Can messages from single partition be forwarded to multiple partitions to increase parallel processing in Kafka?
I'm wondering if the following approach can be used in order to increase parallel processing of Kafka messages. Suppose there's a topic with N partitions. At some point the system hits a bottleneck in ...
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Parallel process flowchart shape in Draw.io
Our drawing tool is draw.io. Occassionally I've got to draw flow charts with it. In those flow charts I've got to express parallel processes (very similar to this UML example).
Wikipedia says about ...
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Do compilers optimise in concurrency?
Presuming that I have written some sequential code where it can be broken down into multiple isolated tasks, it seems it might be efficient for concurrency to be introduced.
For example
print(...
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My aproach to lockless concurrency
this is a highly theoretical question about my parallelization approach.
First of all, I want to inform everybody that I do not claim that I am the 'inventor' of that approach but I couldn't find any ...
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What is the best way to decouple and define the orchestration (coordination) of concurrent tasks?
I have a data synchronisation concurrent algorithm. It does the following: get data and files from server, send data and files to server, save them to database / filesystem. Imagine the system like ...
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Processing messages in parallel with Kafka & Akka
We have data in Kafka which we need to export to multiple destinations. Each message key is to be exported to one destination.
A destination can be a REST endpoint, a file, a database etc.
Each ...
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How to approach a large number of multiple, parallel HttpClient requests?
I have a website which offers pages in the format of https://www.example.com/X where X is a sequential, unique number increasing by one every time a page is created by the users and never reused even ...
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Is it possible to implement insert file operation in modern extent-based filesystems?
The problem was already discussed here. But there was not consensus on this topic.
I have some thoughts on how insert operation can be implemented for some popular file systems. If FS has extent-...
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Parallel execution: 1 thread pool or N thread pools?
I have a tree generated by configuration.
Each leaf of the tree is a long running task (like DB query, reading from file, etc.) that gives a result I want to store in a mirrored tree with only the ...
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