Re: SIMD benchmark

[Walter Bright]

On 1/16/2012 1:54 PM, Manu wrote:

    Unfortunately, if the function was this:

    void foo(int[] a, int[] b, int[] c) {

      for (int i=0; i<256; i++)
        a[i] = b[i] + c[i];
    }

    Then it can't vectorize due to aliasing.


This is why D needs a __restrict attribute! ;)

That's why D has:

   a[] = b[] + c[];

because the language requires the arrays to be distinct.