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GiggleLiu avatar GiggleLiu commented on June 6, 2024

Hi, @pengfzhou thanks for openning this issue to share your idea, I appreciate it! If I understand correctly, your method is equivalent to back-propagation because you also need extra memory to store intermediate configurations, wrong?

Actually, the default method for obtaining single solution in GenericTensorNetworks is not backpropagation, it is an algebra called ConfigSampler: https://queracomputing.github.io/GenericTensorNetworks.jl/dev/ref/#GenericTensorNetworks.ConfigSampler
The SingleConfigMax(; bounded=true) calls the back-propagation method, it can take the advantage of tropical GEMM: https://queracomputing.github.io/GenericTensorNetworks.jl/dev/performancetips/#GEMM-for-Tropical-numbers. It is slightly faster in general, while being more memory inefficient. The following is a benchmark in our paper
image

where Fig (d), Single MIS (P1+S1, CPU) and Single MIS (T+bounding, CPU) shows the differences.
Here, bounding is another word of saying back-propagation.

The paper is coming out soon!

from generictensornetworks.jl.

GiggleLiu avatar GiggleLiu commented on June 6, 2024

Check our paper: https://arxiv.org/abs/2205.03718

from generictensornetworks.jl.

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