POT

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empirical_sinkhorn_divergence doesn't have a grad_fn

4

## Describe the bug I am trying to use empirical_sinkhorn_divergence as a loss function in pytorch, but the returned tensor does not have a grad_fn, so the gradient can't be...

gabrielsantosrv

Fast Sinkhorn Algorithm for Wasserstein-1 Distances

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## 🚀 Feature Could we please consider having a differentiable implementation of: Fast Sinkhorn I: an O(n) Algorithm for the Wasserstein-1 Metric Qichen Liao, Jing Chen, Zihao Wang, Bo Bai,...

tolgabirdal

batched ot.emd

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## 🚀 Feature To my understanding, the current implementation of ```ot.emd``` takes only two probability distributions and a cost matrix. Is there any implementation of ```ot.emd``` that takes in batched...

siddharthKatageri

[WIP] New alpha API for OT solver (with pre-computed ground cost matrix)

4

## Types of changes I implement the new POT API for general OT solvers. It comes with the new function `ot.solve` that can be used to solve exact, regularized and...

rflamary

DistributedDataParallel

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It seems that a DistributedDataParallel (DDP) pytorch setup is not supported in OT - specifically on emd2 computation. Any workarounds ideas for making this working? or any example for multi-gpu...

dgm2

sinkhorn divergence appears to be calculated incorrectly

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## Describe the bug As far as I can tell, ot.bregman.empirical_sinkhorn_divergence returns only the transport costs and ignores the regularization costs. The documentation says it returns both. This was also...

jacksonloper

pip install in conda env yields undefined symbol: _ZSt28__throw_bad_array_new_lengthv

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Package installation doesn't work in conda env and yields the following error: ``` Traceback (most recent call last): File "", line 1, in File "/home/alexis/singbrain/repo/POT/ot/__init__.py", line 22, in from ....

alexisthual

(Semi-)Supervised Domain Adaptation for regression problem using POT

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## 🚀 Feature Extension of the methods in `ot.da.*` for regression problems (by now only classification (?)). ### Motivation I already used `ot.da.SinkhornLpl1Transport` for domain adaptation in (semi-)supervised classification problems...

MrPr3ntice

Instability in Sinkhorn Knopp converge

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## Describe the bug I am using the Sinkhorn and Sinkhorn with Group Lasso implementations in OT package to reproduce the results in this paper: "Optimal Transport for Domain Adaptation",...

sarahboufelja

Gromov-Wasserstein Distance between 1-D vectors

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eyuansu62