Catalyst 21.09

[21.09] - 2021-09-30

Added

• CometLogger support (#1283)
• CometLogger examples (#1287)
• XLA docs (#1288)
• Contarstive loss functions: NTXentLoss (#1278), SupervisedContrastiveLoss (#1293)
• Self supervised learning: ISelfSupervisedRunner, SelfSupervisedConfigRunner, SelfSupervisedRunner, SelfSupervisedDatasetWrapper (#1278)
• SimCLR example (#1278)
• Superivised Contrastive example (#1293)
• extra warnings for runner-callbacks interaction (#1295)
• CategoricalRegressionLoss and QuantileRegressionLoss to the contrib (#1295)
• R2 score metric (#1274)

Changed

• Improved WandbLogger to support artifacts and fix logging steps (#1309)
• full Runner cleanup, with callbacks and loaders destruction, moved to PipelineParallelFairScaleEngine only (#1295)
• HuberLoss renamed to HuberLossV0 for the PyTorch compatibility (#1295)
• codestyle update (#1298)
• BalanceBatchSampler - deprecated (#1303)

Removed

Fixed

• CI/CD (#1292), (#1299), (#1304), (#1306)
• Optuna configs (#1296), (#1296)

Contributors ❤️

@asteyo @AyushExel @bagxi @DN6 @gr33n-made @Nimrais @Podidiving @y-ksenia