[ExI] alpha zero

Alejandro Dubrovsky alito at organicrobot.com
Mon Dec 11 03:09:32 UTC 2017


On 11/12/17 11:40, Alejandro Dubrovsky wrote:
> On 11/12/17 02:42, John Clark wrote:
>>
>> On Fri, Dec 8, 2017 at 3:35 AM, Alejandro Dubrovsky 
>> <alito at organicrobot.com <mailto:alito at organicrobot.com>> wrote:
>>
>>     ​> ​
>>     The 4TPUs were what was used during playing time.
>>
>> ​And ​
>> Stockfish
>> ​used​
>>   64 CPU cores
>> ​.​
>>
> 

> Not that any of that matters much really. Firstly, StockFish can't make 
> use of GPUs/TPUs nor can any of the other engines. They have no use for 
> FLOPs at all since it's all integer work.
> 
No, that's wrong. The evaluation function is all floating multiplies 
that could be easily mapped to the matrix-style sum of dot products 
form. Now I'm not sure why the current chess engines don't use GPUs or 
even if they actually don't (StockFish doesn't for sure, but the others?)



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