[Intel-gfx] [PATCH 06/34] drm: Add a simple linear congruent generator PRNG

[Chris Wilson]

On Tue, Dec 13, 2016 at 04:18:35PM +0100, David Herrmann wrote:
> On Tue, Dec 13, 2016 at 4:16 PM, David Herrmann <dh.herrmann at gmail.com> wrote:
> > On Mon, Dec 12, 2016 at 12:53 PM, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> > for (i = 0; i < count; ++i)
> >         swap(order[i], order[drm_lcg_random(state) % count]);
> >
> > Much simpler and I cannot see why it wouldn't work.
> 
> Hint: swap() does multiple evaluations. So this needs to be:

Hmm, and on switching to size_t count may be larger than u32...
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre