blas

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How to make sure the numpy BLAS libraries are available as dynamically-loadable libraries?

The theano installation documentation states, that theano will as a default use the BLAS libraries from numpy, if the \"BLAS libraries are available as dynamically-loadable libraries\". This seems not[详细]

2023-03-22 18:30 分类：问答
Vector multiplication with BLAS' catlas_saxpby not working properly

I am trying to have two arbitrary length vectors (typical length will be 2048) and multiply element by element. So Z[n] = X[n] * Y[n] for all n.[详细]

2023-03-17 02:08 分类：问答
Difference between dtrtrs and dtrsm

I am looking for some triangular solvers, and I have come across two solvers. One in BLAS: dtrsmand another in LAPACK: dtrtrs. From the looks of it both seem to have common functionality, with dtrsm h[详细]

2023-03-16 14:15 分类：问答
Calling MATLAB's built-in LAPACK/BLAS routines

I want to learn how to call the built-in LAPACK/BLAS routines in MATLAB. I have experience i开发者_JS百科n MATLAB and mex files but I\'ve actually no idea how to call LAPACK or BLAS libraries. I\'ve f[详细]

2023-03-15 02:01 分类：问答
Creating a C Array from 2D NSArray

I have a 2D NSArray of string numbers that I would like to convert to a 2D C array of doubles for use with BLAS/LAPACK functions (through the accelerate framework).[详细]

2023-03-13 12:42 分类：问答
uBLAS Slow Matrix-SparseVector Multiplication

I\'m converting some of my own vector algebra code to use the optimized boost uBLAS library. However, when I tried to do a SymmetricMatrix-SparseVector multiplication I found it to be about 4x slower[详细]

2023-03-13 03:02 分类：问答
Unable to link Intel MKL

I\'m unable to link my program correctly. I use the following command line, but get an error. g++ -I/home/blah/intel/composerxe/mkl/include dotProduct.cpp /home/blah/intel/composerxe/mkl/lib/intel64/[详细]

2023-03-10 22:08 分类：问答
Detect BLAS/LAPACK vendors using CMake

So my code wants to include different header files when occurs to different BLAS/LAPACK vendors. Are there开发者_JAVA百科 any predefined macros or something like that make me check it?CMake 2.8+ ships[详细]

2023-03-10 04:54 分类：问答
GSL gsl_blas_sgemm matrix multiply highly inaccurate for n>140

Just to test a multiplied a 150x150 matrix of all ones by itself using the gsl_blas_sgemm function. I\'m getting errors of up to 38. Why开发者_运维技巧 is it so inaccurate?Are you sure you\'re calling[详细]

2023-03-04 20:09 分类：问答
Fortran double precision program with a simple MKL BLAS routine

In trying to mix precision in a simple program - using both real and double - and use the ddot routine from BLAS, I\'m coming up with incorrect output for the double precision piece. Here\'s the code:[详细]

2023-03-04 15:11 分类：问答