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Custom C++ Library gives error: Intel MKL ERROR: Parameter 8 was incorrect on entry to DGEMM when using armadillo despite working perfectly fine in standalone C++
The issue most likely comes from the incompatability regarding LP64 and ILP64 versions of BLAS/LAPACK libs. Most libs are in LP...
8 months ago | 0
Massive slowdown for Apple Silicon in computing SVD
Thanks for reporting this. We identified the problem and are working on improving this in a future release. As a temporary ...
10 months ago | 2
How are preconditioned GMRES relative residual computed?
Thanks for bringing this to our attention. I can reproduce the issue you mentioned @响 李. We discussed this internally and foun...
1 year ago | 2
| accepted
page-wise matrix determinant or eigenvalues
R2023a, released March 15th 2023, ships PAGEEIG as new function in the page* family: https://www.mathworks.com/help/matlab/rele...
2 years ago | 1
| accepted
LAPACK: Unable to determine CPU type, on Ubuntu and engineering sample CPU.
Please try to set the following ENVs before starting MATLAB: BLAS_VERSION=mkl.so LAPACK_VERSION=mkl.so The mechanism to...
3 years ago | 0
| accepted
What, if anything, can be done to optimize performance for modern AMD CPU's?
After intense collaboration between MathWorks and AMD, as of MATLAB R2022a, MATLAB ships a custom-built version of AOCL 3.1 that...
3 years ago | 6
I get the illegal instruction error while running Matlab code on HPC
Please reach out to technical support, as already suggested, for more help. Most likely the issue comes from the MKL that is u...
3 years ago | 0
The problem of 'conv2' with 'BLAS loading error.
The problem occurs from the fact that this particular processor is not correctly detected by MATLAB, and hence, not the right BL...
4 years ago | 0
| accepted
How do I link my mex file to mkl?
MATLAB uses Intel's MKL as BLAS and LAPACK implementation, not for FFT, however. To see how to use those symbols inside a MEX f...
4 years ago | 0
Correlation on distributed array
Hi Soumyadipta Although xcorr does not show up on the methods list of distributed methods('distributed') you can use xcorr wi...
7 years ago | 1
| accepted
svds performance on GPU is upto 10 times slower than on CPU
Hi Florian Thanks for asking this question. GPUs are only faster than CPUs if you can keep lots of threads running, and t...
7 years ago | 2
| accepted
Solved
Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...
9 years ago
