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Questions tagged [multi-core]

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24 questions
Newest Active Bountied Unanswered
0 votes
1 answer
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This is more of a Computer Engineering question, but what is the feature of a CPU to run Javascript fast? I use to access the internet with an AMD Phenom II with 6 cores and I could almost have as ...
Dehbop's user avatar
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71 votes
3 answers
67k views

I am trying to understand, at a high-level, how single threads run across multiple cores. Below is my best understanding. I do not believe it is correct though. Based on my reading of Hyper-threading,...
Evorlor's user avatar
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0 votes
1 answer
159 views

I'm new to actors and just playing around in ruby using Celluloid. I have this code below module Enumerable # Simple parallel map using Celluloid::Futures def pmap(&block) futures = map { ...
Grimbox's user avatar
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-6 votes
2 answers
2k views

doing an lscpu cmd this is what i get $ lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: ...
rtd353's user avatar
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6 votes
3 answers
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I made some basic multi-threading tests here, and noticed that the speed increase when using the exact is bigger than I expected. I assumed that speed would increase linearly until I hit the limit of ...
speeder's user avatar
  • 647
2 votes
1 answer
2k views

Hypothetically, if you (I / someone) were to create a multi-threaded application, utilising the processing powers of multiple cores (for example, using TPL in C#). Would that program crash, if it were ...
George Grainger's user avatar
  • 505
-2 votes
2 answers
415 views

A faster prime number generator with hyperthreading and L1 cache About five years ago I wrote a simple VB widget to generate the first one million prime numbers and then port them to into its single ...
Brett Bergan's user avatar
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-2 votes
3 answers
1k views

Is it possible to move an application (or task) to another core to make it run faster and get all of that cores processing power? The way I understand it is that in an operating system applications ...
1.21 gigawatts's user avatar
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3 votes
1 answer
981 views

As the title says, why does Node not support several event loops in one Process? The idea, is that node spawns a user decided number of threads, which each have an event loop. When a new callback is ...
Coder3000's user avatar
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6 votes
1 answer
2k views

I'm trying to write a cyclic doubly linked list where the nodes or even the link pointers are locked individualy. Or a lock-free or even wait-free (I think that's not possible) implementation. The ...
Goswin von Brederlow's user avatar
  • 217
5 votes
3 answers
4k views

I've built a Java NIO TCP server, it currently uses four threads. One ServerRunnable thread that uses a selector and three worker threads. I've been looking around for some information about this, ...
mal's user avatar
  • 273
55 votes
12 answers
11k views

Is it possible to write code (or complete software, rather than a piece of code) that won't work properly when run on a CPU that has less than N number of cores? Without checking it explicitly and ...
uylmz's user avatar
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2 votes
1 answer
228 views

I am working on a real time multiprocessor scheduling algorithm. I found very few results via google research related to it. A few simulators are available but are not robust enough. OpenMp is an ...
Winn's user avatar
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2 votes
1 answer
2k views

I study multicore pipelining and the diagrams are not UML sequence diagrams for instance Why not remake this diagram like an UML sequence diagram, would not that be more clear so that we can see both ...
Niklas Rosencrantz's user avatar
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9 votes
2 answers
3k views

So I saw this video on Youtube with all these C++ masters on GoingNative 2012 : Interactive panel where everybody could ask the questions. This is the video I was talking about: GoingNative 2012 - ...
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