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Closed 10 years ago.
My question is how to run a multi-threaded program in C by pthread across multiple computers?
Is it possible?
Running program across multiple computers might not be possible with multi-threading try using multiple processes as #goldenmean has suggested.
PS:You can find my tutorials online this type of application can be easily done using MPI.
Using pthreads library alone would not help you to execute a distributed version of your code/application on different physical CPUs/machines. For that you might need to see how the below libraries/frameworks for distributed computing work
-- Message Passing Interface (MPI)
-- Hadoop and MapReduce
-- Write your own distributed parallel programming framework using the basic building blocks
Related
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Closed 9 years ago.
I am planning to learn to program with Directx9/10 this summer.My computer has Directx11 installed. I was wondering if previous versions will work on it? I tried running a few sample codes from Frank Luna's website I ran into some errors.
Yes absolutely.
But if you are using any of the DX helper DLLs (D3DX_xx.dll) that comes with the SDK (and not shipped in Windows), you may need to redistribute those binaries with your application.
For local development, easiest thing to do is just install the DirectX 9 or 10 SDK on your computer. It should copy the extra helper DLLs as appropriate.
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Closed 10 years ago.
I want to learn device driver development so how to start ? Any media for beginner or something ?
The canonical reference is Linux Device Drivers 3rd Edition - although it's a few years old now, it's close enough to current kernels.
Quite a lot of stuff is not covered in here - particularly anything that's device or bus specific, or the way the kernel has been developing to support ARM SoC devices over the last few years.
I would suggest to go start learing Linux device driver under PC environment so as you can co-relate most of things you are familier with ,One approach is to go get linux source code and try to understand how kernel is being called and how single user space process is initiated from kernel space .You can also follow this below given page would be helpful for you.
http://en.wikiversity.org/wiki/Reading_the_Linux_Kernel_Sources
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Closed 10 years ago.
I just started learning Erlang. My task to write a simple script for testing web applications. I hasn't found work script in the Internet, and Tsung too bulky for such a task. Is anyone can help me (give working example of script or link where I can found it)?
What would be possible to specify a URL, and concurrency, and time of testing and get the results. Thanks.
This links not help:
http://effectiveqa.blogspot.com/2009/12/minimal-erlang-script-for-load-testing.html
(not working, function example/0 undefined )
http://www.metabrew.com/article/a-million-user-comet-application-with-mochiweb-part-1
(work for socket, but I need concurrent testing)
I use for such purposes basho bench. It not so hard to start with it and add your own cases. Also it contains script, which draw all results.
Would like to build one? I would not recommend that way (because I have tried and there are so many things to consider to build one, especially spawning many processes and collecting the result back)
As you already know, I would recommend tsung, although it is bulky, it is a full load test application. I have gave up mine, and went back to tsung because could not properly handle opening/closing sockets with too many processes.
If you really want a simple one, I would use httperf. AFAKI, it works fine with single machine with multiple processes.
http://agiletesting.blogspot.ca/2005/04/http-performance-testing-with-httperf.html
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Closed 11 years ago.
The Kinect for Windows SDK beta is a programming toolkit for application developers. It enables the academic and enthusiast communities easy access to the capabilities offered by the Microsoft Kinect device connected to computers running the Windows 7 operating system.
But what kind of application we can build by using it?
Take a look at the example projects using it.
Following some other useful links:
The OpenKinect project
Primesense OpenNI(Primesense makes the sensor inside Kinect)
Softkinetic iisu
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Closed 11 years ago.
I'm looking for a programming language that would scale well on multiprocessors and distributed systems, and is able to work well with the GPU for number crunching.
What do you think, is Erlang and CUDA a good match?
LE: I want to use it for image processing: feature detection, bundle adjustment and scene reconstruction; so it's fairly parallel. The GPU would do the computational intensive part and Erlang would just manage the tasks and shuffle data around.