Beantwortet
how to use arrayfun for gpu
In general, arrayfun allows you to speed up cases where you have lots of elementwise operations to perform. You need to look ins...

mehr als 14 Jahre vor | 0

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Beantwortet
Segmentation Faults and Thread-Safety in Parfor Loops: Part II
Please note that 'thread safety' really shouldn't be the major concern here. When you open a MATLABPOOL, you are starting severa...

mehr als 14 Jahre vor | 1

Beantwortet
Parfor on GPU
Yes, you can do this. Whether you get much benefit depends on whether you have multiple GPUs in your system (under some circumst...

mehr als 14 Jahre vor | 6

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Beantwortet
fill() in parfor loop
Unfortunately, you cannot use a PARFOR loop in this way. The workers cannot create graphics on your client.

mehr als 14 Jahre vor | 2

Beantwortet
fprintf output in a parallel computing job
If you use the <http://www.mathworks.com/help/toolbox/distcomp/batch.html batch> function to submit a job, you can use the "diar...

mehr als 14 Jahre vor | 1

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Beantwortet
Asynchronous GPU calculations
The asynchronous nature of the kernel invocations should be completely transparent in terms of functionality (if it isn't, then ...

mehr als 14 Jahre vor | 1

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Beantwortet
Parallel Code
If you have Parallel Computing Toolbox, you could do this: % first start up 2 local workers matlabpool open local 2 ...

mehr als 14 Jahre vor | 0

Beantwortet
Use of an anonymous functions with additional parameters within a spmd-block
You need to work around the fact that SPMD blocks cannot call internal functions or define anonymous functions. I would do it li...

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Beantwortet
Communicating between parfor loop iterations
I don't think there's a reliable way to achieve this with PARFOR. I would be tempted to investigate SPMD which does allow commun...

mehr als 14 Jahre vor | 0

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Beantwortet
Parallel Computing Toolbox: Lost Data when Error occur
There's no built-in way to checkpoint your computations. You could either split your PARFOR loop into smaller chunks and save th...

mehr als 14 Jahre vor | 0

Gesendet

Blackjack computational kernel
Simulation of a single hand of blackjack

mehr als 14 Jahre vor | 1 Download |

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Beantwortet
parfor loop stalls where a for loop does fine, no error
The main difference when running PARFOR are that different iterations of the loop are executed by different processes. So, if yo...

mehr als 14 Jahre vor | 0

Beantwortet
Memory spike when using previously declared variable in spmd block
One more thing, if you need the same data on each worker, you could also do this: c = Composite(); c{1} = getMyLarge...

mehr als 14 Jahre vor | 4

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Beantwortet
Memory spike when using previously declared variable in spmd block
If you need to build data from client-side, you can use the explicit <http://www.mathworks.co.uk/help/toolbox/distcomp/brukctb-1...

mehr als 14 Jahre vor | 3

Beantwortet
running distributed jobs
You need to give the name of the script to the createTask function, like so: sched = findResource(...); job = create...

mehr als 14 Jahre vor | 1

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Beantwortet
Loop on gpu
The nearest equivalent on the GPU is to use arrayfun. This implicitly loops over each element of your input gpuArray, so there's...

mehr als 14 Jahre vor | 1

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Beantwortet
Way to save results to a file inside a parfor loop
See <http://www.mathworks.com/matlabcentral/answers/33127-whats-the-best-command-to-write-to-file-inside-parfor-loop this answer...

mehr als 14 Jahre vor | 0

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Beantwortet
Mutex for Increment in Matlab Parfor?
It's only the indexing into results that PARFOR doesn't understand. The following should work I think: results = 0; parf...

mehr als 14 Jahre vor | 1

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Beantwortet
does parfor support global variables?
There are two restrictions. # You cannot place a GLOBAL declaration directly inside a PARFOR loop # The MATLAB workers execu...

mehr als 14 Jahre vor | 0

Beantwortet
Error caught during construction of remote parfor code
The error message indicates that perhaps you're trying to send too much data into the body of the PARFOR loop. For example, the ...

mehr als 14 Jahre vor | 0

Beantwortet
Whats the best command to write to file inside parfor loop?
Inside PARFOR, you can still access the current task, and get its ID - that will be unique. My "Worker Object Wrapper" has an ex...

mehr als 14 Jahre vor | 4

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Beantwortet
Parallel computing problem
GLOBAL data is never shared between your desktop MATLAB session and the workers running jobs and tasks. However, you might find ...

mehr als 14 Jahre vor | 0

Beantwortet
GPU computing with 32bit matlab in 64 bit windows 7 system
Have you tried using the 64bit MATLAB?

mehr als 14 Jahre vor | 0

Beantwortet
Can I step in .cu file when doing GPU parallel computing in MATLAB
Running MATLAB under a CUDA debugger is possible, but rather difficult. You first need to ensure you can use the debugger on a s...

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Beantwortet
Matrix Dimension Error with Parfor
You cannot use GLOBAL data together with PARFOR in this way. The MATLAB workers in your pool are separate processes and therefor...

mehr als 14 Jahre vor | 0

Beantwortet
Parallel Configuration Validation: times out, but job finishes; what to do?
You must use the same version of MATLAB on both the client and the cluster. (Although that may not be the only problem - when jo...

mehr als 14 Jahre vor | 0

Beantwortet
fread directly to GPU memory
Unfortunately, there's no way to do that. The nearest you can get is to pre-allocate the gpuArray, fread chunks of data, and the...

mehr als 14 Jahre vor | 2

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Beantwortet
Identifying lab id within a parfor
As mentioned elsewhere, LABINDEX will not work for this purpose. You could either use t = getCurrentTask(); t.ID to find...

mehr als 14 Jahre vor | 6

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Beantwortet
image processing with parallel approach
In PMODE, run some code that does this: switch labindex case 1 runFcn1(); case 2 runFcn2(); .....

mehr als 14 Jahre vor | 1

Beantwortet
image processing with parallel approach
The other options are: # Non-interactive <http://www.mathworks.co.uk/help/toolbox/distcomp/bqur7dy.html jobs and tasks> # <h...

mehr als 14 Jahre vor | 1