Now consider the problem of multiplying a dense matrix with a vector using a two loop

dot$-$product formulation. The matrix is of dimension $4K4K.($Each row of the matrix

takes $16KB$ of storage.$)$ What is the peak achievable performance of this technique using

a two$-$loop dot$-$product based matrix$-$vector product?

$/*$ matrix$-$vector product loop $*/$

for $4c[i^{}]+=a[i^{}][j]***b[j]i$