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Some problems about TI Benchmark 674x



This is the benchmark baout matrix operations,674x

SP Matrix Multiply Performs a single precision floating point multiply of an r1 x c1 matrix with an c1 x c2 matrix.

(0.5 * r1' * c1 * c2') + (6 * c2' * r1') + (4 * r1') + 22

where r1' = r1 + (r1’1) c2' = c2 + (c2’1)

For r1 = 12, c1 = 14 and c2 = 18, cycles = 2878

in the calculation of r1'  and c2',What is the detailed mathematical meaning of (r1’1)  and (c2’1) , I'm confused. Who can hlep me?