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# Increase rows and cols for better performance gains

func2returns = function(Matrix[Double] X, Matrix[Double] y) return (Matrix[Double] matmul, Matrix[Double] tsmmX) 
{
  matmul = y %*% X;
  tsmmX = t(X) %*% X;
  while(FALSE){}
}

r = 100
c = 1

X = rand(rows=r, cols=c, seed=42);
y = rand(rows=c, cols=r, seed=43);
R = matrix(0, 1, 4);

[matmul, tsmmX] = func2returns(X, y);
R[,1] = matmul;
R[,2] = tsmmX;

[matmul, tsmmX] = func2returns(X, y);
R[,3] = matmul;
R[,4] = tsmmX;

write(R, $1, format="text");
