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Konrad Malkowski

MathWorks

Con actividad desde 2011

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I am a C++ Software Engineer on the IAT Foundation Libraries team. My interests include Parallel Computing, Computer Architecture, Operating Systems and C++.

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Respondida
Alternatives to break command inside a spmd command
What you will need to implement is a parallel termination detection algorithm. See the following link for references: <htt...

casi 12 años hace | 0

Respondida
How to compile shrlibsample in R2012a
You can compile the code in two ways: - using gcc - using mex (which uses gcc internally) Here's how I compiled the code us...

casi 12 años hace | 0

Respondida
need simple example using pmode
Here's an example how to use distributed arrays and how to use SPMD: matlabpool open 2 x = 1:1:100; y = 100...

casi 12 años hace | 1

Respondida
R2013a + Intel Composer XE 2013 + MSVC 2012 or MSVC 2010. Have you tried them yet?
Hi James, Please take a look at the following page: <http://www.mathworks.com/support/compilers/R2013a/index.html> It a...

casi 12 años hace | 0

Respondida
Concatenating large matrices - out of memory
Have you tried explicitly storing the matrix as sparse? See <http://www.mathworks.com/help/matlab/ref/sparse.html>

casi 12 años hace | 0

Respondida
How to concatenate cells?
Does this do what you are looking for? A = repmat([1,2,3,4], 1000, 1); B = repmat([5,6], 1000, 1); C = {A}; D = {B...

casi 12 años hace | 0

Respondida
Problem running matlab script to background
What type of image are you trying to save? Saving to jpg, png, tiff or eps/ps is usually safer than other file formats when n...

casi 12 años hace | 0

| aceptada

Respondida
What is the default installation path for Matlab on architecture X?
One possible approach on linux/mac would be: > find / -name matlab This would recursively search the file system for "ma...

casi 12 años hace | 5

Respondida
How can I increase Memory
A few questions: # What operating system are you using? # Do you close the previously open files? The reason for these qu...

alrededor de 12 años hace | 0

Respondida
Nested for loop to parfor
Are the matrices preallocated, or are they allocated dynamically at run time by the inner for loops? If matrices are not preallo...

casi 13 años hace | 0

Respondida
parfor - Attempt to serialize data which is too large
There is a 2GB transmission limit between client and workers. Could you provide me with additional values for Np, N1, Nt, etc so...

casi 13 años hace | 2

Respondida
Application is missing mclmcrrt711.dll.
Hi Owen. Did you create the application, or did you get the executable from someone else? The person who compiled the applic...

casi 13 años hace | 0

Respondida
Memory spike when using previously declared variable in spmd block
You can build the random vector directly on the workers: spmd c = codistributed.rand(1+2^27, 1); end As for the ...

casi 13 años hace | 3

Respondida
Way to know status of parfor loop without printing to command window or saving to file?
Why not send the output to the file and diagnostic to the command window? Alternatively there you can take a look at the follow...

casi 13 años hace | 1

Respondida
Can MATLAB tell me which gpu device is the one connected to the display?
1. Yes there will be limitations on what can run on GPU that is used for rendering. In particular the CUDA kernels cannot run fo...

casi 13 años hace | 0

Respondida
Slow indexing into local parts of distributed cell arrays in parallel computing toolbox
Hi Anders, The best way of achieving high performance in your example is to operate directly on the LocalParts of the codistr...

casi 13 años hace | 3

| aceptada

Respondida
Whats the best command to write to file inside parfor loop?
Are you planning on writing data from multiple workers to a single file within PARFOR? If so, then there are no commands that w...

casi 13 años hace | 1

Respondida
How to have more than 12 workers
Are the processors in the server hyper-threaded? Irrespective of what admin-center reports you can always start more workers ...

casi 13 años hace | 2

Respondida
Can we use parfor inside a for loop?
If you have multiple nested for loop, then for best performance you really want the parfor to be the outermost loop in your prog...

casi 13 años hace | 1

Respondida
r2011b remote file mirroring issues (non-shared file system with generic scheduler interface)
No problem :-) That is my background as well :-) Regarding your question. To force these diagnostic messages to print in your...

casi 13 años hace | 0

Respondida
r2011b remote file mirroring issues (non-shared file system with generic scheduler interface)
Hi Nick, Take a look at the getJobStateFcn.m for your scheduler. Try commenting the code inside of the if ... else block. ...

casi 13 años hace | 1

Respondida
r2011b remote file mirroring issues (non-shared file system with generic scheduler interface)
Hi Nick, Does the issue occur when you leave your MATLAB on, while the jobs are running on the cluster? How many jobs do y...

casi 13 años hace | 0

Resuelto


Quote Doubler
Given a string s1, find all occurrences of the single quote character and replace them with two occurrences of the single quote ...

alrededor de 13 años hace

Resuelto


Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

alrededor de 13 años hace

Resuelto


Binary numbers
Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...

alrededor de 13 años hace

Resuelto


Nearest Numbers
Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...

alrededor de 13 años hace

Resuelto


Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

alrededor de 13 años hace

Resuelto


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

alrededor de 13 años hace

Resuelto


Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

alrededor de 13 años hace

Resuelto


Return the largest number that is adjacent to a zero
This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

alrededor de 13 años hace

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