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GPU vs TPU

A processor built for massive parallelism, which is what neural network maths needs.

Comparação de características

Ainda não foram registados atributos comparáveis para estas duas tecnologias.

Qual deve escolher?

Gerado a partir das diferenças acima por regras estruturadas, não por um modelo.

Choose GPU if…

Nenhum dos atributos registados o distingue a seu favor.

Choose TPU if…

Nenhum dos atributos registados o distingue a seu favor.

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GPU

hardware · Hardware

A GPU is a processor with thousands of simple cores optimised for doing the same operation across large arrays at once. It solves the problem that training and serving a neural network is almost entirely matrix multiplication, which is exactly that pattern, while a CPU spends its few complex cores poorly on it. It exists as the reason deep learning became practical: the hardware already existed for graphics, and it happened to fit the maths.

TPU

hardware · Hardware

A TPU is an application-specific chip designed for the matrix operations neural networks are made of, rather than a general-purpose processor adapted to them. It solves the same cost problem as a GPU but by removing the generality, which makes it more efficient per operation and less flexible. It exists because a workload this narrow can be served better by dedicated silicon, and it is reachable mainly through Google's cloud rather than as hardware you buy.