MTIMESX - Fast Matrix Multiply with Multi-Dimensional Support

Beats MATLAB 300% - 400% in some cases ... really!

Version (256 KB)
19,5K Downloads
(51)
23. Feb 2011
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James Tursa (2026). MTIMESX - Fast Matrix Multiply with Multi-Dimensional Support (https://de.mathworks.com/matlabcentral/fileexchange/25977-mtimesx-fast-matrix-multiply-with-multi-dimensional-support), MATLAB Central File Exchange. Abgerufen .

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Version Veröffentlicht Versionshinweise
1.10.0

Fixed typos in the dsyrk, dsyr2k, ssyrk, and ssyr2k BLAS function prototypes. (These typo fixes should not change any results)
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1.9.0

Added OpenMP support for custom code
Expanded sparse * single and sparse * nD support
Fixed (nD complex scalar)C * (nD array) bug
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1.8.0

Added capability for nD scalar multiplies (i.e., 1x1xN * MxKxN).
Replaced the buggy mxRealloc API routine with custom code.
Updated mtimesx_test_nd.m file.
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1.7.0

Fixed a bug for some of the (row vector) * (matrix) and (matrix transposed) * (column vector) operations in MATLAB mode that involved incorrect dimensions in the dgemv and sgemv calls.
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1.6.0

Fixed a typo in the build routine for 64-bit systems, changed -largearraydims to -largeArrayDims
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1.5.0

Added the multi-dimensional test routine mtimesx_test_nd.m for speed and equality tests. Added its description to the pdf file.
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1.4.0

Fixed a bug for empty transa or transb inputs. Now treats these the same as 'N'. Also simplified the nD singleton expansion code a bit.
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1.3.0

Added singleton expansion capability for multi-dimensional matrix multiplies.
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1.2.0

Fixed bug in scalar multiply code that was causing incorrect results & crashes.
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1.1.0

Fixed bug for (scalar) * (sparse) when the scalar contains an inf or NaN (in which case the zeros do not stay zero). Slight update to pdf doc.
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1.0.0

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