Loop Defactorization

• Untuned

do i = 1, lda

A(i) = 0.0

do j = 1, lda

A(i)=A(i)+B(j)*D(j)*C(i)

enddo

enddo

• Tuned

do i = 1, lda

A(i) = 0.0

do j = 1, lda

A(i) = A(i) + B(j) * D(j)

enddo

A(i) = A(i) * C(i)

enddo

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