[Computer-go] Using GPUs?

Nikos Papachristou nikpapa at gmail.com
Sat Jun 27 04:55:36 PDT 2015


On Fri, Jun 26, 2015 at 4:20 PM, Darren Cook <darren at dcook.org> wrote:

>
> Confirmed here:
>   http://blogs.nvidia.com/blog/2015/03/17/pascal/
>
> So, currently they use a 32-bit float, rather than a 64-bit double, but
> will reduce that to 16-bit to get a double speed-up. Assuming they've
> been listening to customers properly, that must mean 16-bit floats are
> good enough for neural nets?
>
> Apparently you can use 16-bit representations in DNNs with little or no
degradation in accuracy:
http://arxiv.org/pdf/1502.02551.pdf

Nikos
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