Victor Lafargue

Fix UMAP/TSNE KNN graph feature

1

The X input in `fit` and `fit_transform` functions is unnecessary when a KNN graph is provided. This PR adds a `precomputed` boolean parameter. It specifies whether X would serve as...

- Fix for MNMG TSVD (similar issue to [cudaErrorContextIsDestroyed in RandomForest](https://github.com/rapidsai/cuml/issues/2632#issuecomment-675753377)) - #4826 - MNMG Kmeans testing issue : modification of accuracy threshold - MNMG KNNRegressor testing issue : modification...

`PowerTransformer`, `QuantileTransformer` and `KernelCenterer`

6

Closes #4622

Fix for non-contiguous strides

2

Fixes #4731

POC for improved model state serialization

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At the moment, cuML's models can only be serialized thanks to `Pickle`. This proof of concept PR uses Google's Protocol Buffer library (`Protobuf`) to serialize the state of cuML models....

SparseRandomProjection improvement

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Answers #3857

Fix UMAP sparse input crash

2

Answers https://github.com/rapidsai/cuml/issues/4984

SNMG ANN

5

The goal of this PR is to implement a distributed (single-node-multiple-GPUs) implementation of ANN indexes. It will allow to `build`, `extend` and `search` an index on multiple GPUs. Before building...