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Re: [PATCH 0/2] Loop distribution for memset zero
On Sat, 31 Jul 2010, Michael Matz wrote:
> Some math libraries (the one from AMD at least for instance) provide not
> only vectorized intrinsics for a fixed vector size (e.g. 4 float
> elements), but also for a generic arbitrarily sized array.
> For instance:
> void vrsa_expf(int n, float *src, float *dest);
> is equivalent to:
> for (i = 0; i < n; i++)
> dest[i] = expf (src[i]);
Exactly equivalent to that C code even with overlaps, or is it really (int
n, const float *restrict src, float *restrict dest) with no overlap
Joseph S. Myers