mxm_test, an Octave code which calls mxm(), which sets up a matrix-matrix multiplication problem A = B * C, and reports the timings.
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mxm, an Octave code which sets up a matrix multiplication problem A=B*C of arbitrary size, and compares the time required for IJK, IKJ, JIK, JKI, KIJ and KJI orderings of the loops.