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Row or column vectors are treated as nx1 or 1xn matrices. By using our site, you acknowledge that you have read and understand our Cookie Policy , Privacy Policy , and our Terms of Service. PBLAS Level 2 Routines perform distributed matrix-vector operations, such as matrix-vector multiplication, rank-1 and rank-2 matrix updates, and solution of triangular systems. Intel’s compilers may or may not optimize to the same degree for non-Intel microprocessors for optimizations that are not unique to Intel microprocessors. Deallocate the local arrays deallocate myA, myX! Computational Science Stack Exchange is a question and answer site for scientists using computers to solve scientific problems. What is a submatrix, how do I generate it?

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Level 3 PBLAS

Asked 7 years, 6 months ago. Deallocate the local arrays deallocate myA, myX!

pblas

Row or column vectors are treated as nx1 or 1xn matrices. Please refer to the applicable product User and Reference Guides for more information regarding the specific instruction sets covered by this notice.

PBLAS – What does PBLAS stand for? The Free Dictionary

I have run the sample example1. Print results – Y should be 1,2, Sign up or log in Sign up using Google.

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Once you get the hang of that, Scalapack is pretty straightforward. Stay tuned, if you are interested!

pblas

My question is how? Post as a guest Name.

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pbpas How do we handle problem users? Spiros Scientific computing and…. What is a submatrix, how do I generate it? Certain optimizations not specific to Intel microarchitecture are reserved for Intel microprocessors. PBLAS Level 3 Routines perform distributed matrix-matrix operations, such as matrix-matrix multiplication, rank- k update, and solution of triangular systems.

Below is an example of multiplying the diagonal matrix A 1,2, Create a free website or blog at WordPress. How do I do it? Filed under Parallel computing Tagged with blacspblasscalapack. What is partitioning of the matrix?

Intel does not guarantee the availability, functionality, or effectiveness of any optimization pblad microprocessors not manufactured by Intel. PBLAS Pvlas 2 Routines perform distributed matrix-vector operations, such as matrix-vector multiplication, rank-1 and rank-2 matrix updates, and solution of triangular systems. By continuing to use this website, you agree to their use.

Here is what I must do: Intel’s compilers may or may not optimize to the same degree for non-Intel microprocessors for optimizations that are not unique to Intel microprocessors. To find out more, including how to control cookies, see here: Pglas this example I will load a matrix from a file into the root process, scatter it among the processes according to the block-cyclic pattern, print the local matrices, then gather the local matrices onto the root process and control that the original matrix and the gathered matrix are the same.

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A little interactive calculator is here.

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The best answers are voted up and rise to the top. It only takes a minute to sign up. Pbpas optimizations in this product are intended for use with Intel microprocessors. Home Questions Tags Users Unanswered. Email Required, but never shown.

Computational Science Stack Exchange is a question and answer site for scientists using computers to solve scientific problems. Therefore, I decided to post here some examples.