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walsufnir on 03 November 2016
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vivster said:
walsufnir said:

From an implementation point of view, yes. You just don't allocate a 32bit register anymore but a 16bit.

What I am wondering is if devs actually do that because that is extra work for a better PS4. Cerny said it should be as simple as possible to develop a pro mode off a ps4 game. Using fp16 just for a better version of the game and to test if accuracy is sufficient is a different beast. Perhaps you can use fp16 safely also on vanilla ps4 without any negatives but of course I don't know about that. But it doesn't seem that easy to really go into all the power the Neo provides over the vanilla ps4, especially when there are no exclusives allowed.

Wait, why are we talking about the Pro now?^^

For the Switch it could certainly make a difference with that limited amount of power. Even if 3rd parties don't use it, Nintendo probably will.

Oh yes, thread confusion :)

I think it can be a major problem with performance for 3rd party devs because porting existing games will result in quite low performance if they don't adjust their code for fp16 where suitable.