[Feature] support KNN benchmark

configs/benchmarks/classification/knn_imagenet.py

@@ -0,0 +1,29 @@
+data_source = 'ImageNet'
+dataset_type = 'SingleViewDataset'
+img_norm_cfg = dict(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225])
+pipeline = [
+    dict(type='Resize', size=256),
+    dict(type='CenterCrop', size=224),
+    dict(type='ToTensor'),
+    dict(type='Normalize', **img_norm_cfg),
+]
+
+data = dict(
+    samples_per_gpu=256,
+    workers_per_gpu=8,
+    train=dict(
+        type=dataset_type,
+        data_source=dict(
+            type=data_source,
+            data_prefix='data/imagenet/train',
+            ann_file='data/imagenet/meta/train.txt',
+        ),
+        pipeline=pipeline),
+    val=dict(
+        type=dataset_type,
+        data_source=dict(
+            type=data_source,
+            data_prefix='data/imagenet/val',
+            ann_file='data/imagenet/meta/val.txt',
+        ),
+        pipeline=pipeline))

configs/selfsup/byol/README.md

@@ -16,11 +16,11 @@
 
 **Back to [model_zoo.md](https://github.com/open-mmlab/mmselfsup/blob/master/docs/en/model_zoo.md) to download models.**
 
-In this page, we provide benchmarks as much as possible to evaluate our pre-trained models. If not mentioned, all models were trained on ImageNet1k dataset.
+In this page, we provide benchmarks as much as possible to evaluate our pre-trained models. If not mentioned, all models are pre-trained on ImageNet-1k dataset.
 
 ### Classification
 
-The classification benchmarks includes 4 downstream task datasets, **VOC**, **ImageNet**,  **iNaturalist2018** and **Places205**. If not specified, the results are  Top-1 (%).
+The classification benchmarks includes 4 downstream task datasets, **VOC**, **ImageNet**,  **iNaturalist2018** and **Places205**. If not specified, the results are Top-1 (%).
 
 #### VOC SVM / Low-shot SVM
 
@@ -51,6 +51,15 @@ The **Feature1 - Feature5** don't have the GlobalAveragePooling, the feature map
 | [resnet50_8xb32-accum16-coslr-200e](https://github.com/open-mmlab/mmselfsup/blob/master/configs/selfsup/byol/byol_resnet50_8xb32-accum16-coslr-200e_in1k.py) | 21.25    | 36.55    | 43.66    | 50.74    | 53.82    |
 | [resnet50_8xb32-accum16-coslr-300e](https://github.com/open-mmlab/mmselfsup/blob/master/configs/selfsup/byol/byol_resnet50_8xb32-accum16-coslr-300e_in1k.py) | 21.18    | 36.68    | 43.42    | 51.04    | 54.06    |
 
+#### ImageNet Nearest-Neighbor Classification
+
+The results are obtained from the features after GlobalAveragePooling. Here, k=10 to 200 indicates different number of nearest neighbors.
+
+| Self-Supervised Config                                                                                                                                       | k=10 | k=20 | k=100 | k=200 |
+| ------------------------------------------------------------------------------------------------------------------------------------------------------------ | ---- | ---- | ----- | ----- |
+| [resnet50_8xb32-accum16-coslr-200e](https://github.com/open-mmlab/mmselfsup/blob/master/configs/selfsup/byol/byol_resnet50_8xb32-accum16-coslr-200e_in1k.py) | 63.9 | 64.2 | 62.9  | 61.9  |
+| [resnet50_8xb32-accum16-coslr-300e](https://github.com/open-mmlab/mmselfsup/blob/master/configs/selfsup/byol/byol_resnet50_8xb32-accum16-coslr-300e_in1k.py) | 66.1 | 66.3 | 65.2  | 64.4  |
+
 ### Detection
 
 The detection benchmarks includes 2 downstream task datasets, **Pascal VOC 2007 + 2012** and **COCO2017**. This benchmark follows the evluation protocols set up by MoCo.

configs/selfsup/deepcluster/README.md

@@ -16,11 +16,11 @@ Clustering is a class of unsupervised learning methods that has been extensively
 
 **Back to [model_zoo.md](https://github.com/open-mmlab/mmselfsup/blob/master/docs/en/model_zoo.md) to download models.**
 
-In this page, we provide benchmarks as much as possible to evaluate our pre-trained models. If not mentioned, all models were trained on ImageNet1k dataset.
+In this page, we provide benchmarks as much as possible to evaluate our pre-trained models. If not mentioned, all models are pre-trained on ImageNet-1k dataset.
 
 ### Classification
 
-The classification benchmarks includes 4 downstream task datasets, **VOC**, **ImageNet**,  **iNaturalist2018** and **Places205**. If not specified, the results are  Top-1 (%).
+The classification benchmarks includes 4 downstream task datasets, **VOC**, **ImageNet**,  **iNaturalist2018** and **Places205**. If not specified, the results are Top-1 (%).
 
 #### VOC SVM / Low-shot SVM
 

configs/selfsup/densecl/README.md

@@ -16,7 +16,7 @@ To date, most existing self-supervised learning methods are designed and optimiz
 
 **Back to [model_zoo.md](https://github.com/open-mmlab/mmselfsup/blob/master/docs/en/model_zoo.md) to download models.**
 
-In this page, we provide benchmarks as much as possible to evaluate our pre-trained models. If not mentioned, all models were trained on ImageNet1k dataset.
+In this page, we provide benchmarks as much as possible to evaluate our pre-trained models. If not mentioned, all models are pre-trained on ImageNet-1k dataset.
 
 ### Classification
 
@@ -50,6 +50,14 @@ The **Feature1 - Feature5** don't have the GlobalAveragePooling, the feature map
 | -------------------------------------------------------------------------------------------------------------------------------------------------- | -------- | -------- | -------- | -------- | -------- |
 | [resnet50_8xb32-coslr-200e](https://github.com/open-mmlab/mmselfsup/blob/master/configs/selfsup/densecl/densecl_resnet50_8xb32-coslr-200e_in1k.py) | 21.32    | 36.20    | 43.97    | 51.04    | 50.45    |
 
+#### ImageNet Nearest-Neighbor Classification
+
+The results are obtained from the features after GlobalAveragePooling. Here, k=10 to 200 indicates different number of nearest neighbors.
+
+| Self-Supervised Config                                                                                                                             | k=10 | k=20 | k=100 | k=200 |
+| -------------------------------------------------------------------------------------------------------------------------------------------------- | ---- | ---- | ----- | ----- |
+| [resnet50_8xb32-coslr-200e](https://github.com/open-mmlab/mmselfsup/blob/master/configs/selfsup/densecl/densecl_resnet50_8xb32-coslr-200e_in1k.py) | 48.2 | 48.5 | 46.8  | 45.6  |
+
 ### Detection
 
 The detection benchmarks includes 2 downstream task datasets, **Pascal VOC 2007 + 2012** and **COCO2017**. This benchmark follows the evluation protocols set up by MoCo.

configs/selfsup/mae/README.md

@@ -30,7 +30,7 @@ methods that use only ImageNet-1K data. Transfer performance in downstream tasks
 
 ## Models and Benchmarks
 
-Here, we report the results of the model, which is pre-trained on ImageNet1K
+Here, we report the results of the model, which is pre-trained on ImageNet-1k
 for 400 epochs, the details are below:
 
 

configs/selfsup/mocov2/README.md

@@ -16,7 +16,7 @@ Contrastive unsupervised learning has recently shown encouraging progress, e.g.,
 
 **Back to [model_zoo.md](https://github.com/open-mmlab/mmselfsup/blob/master/docs/en/model_zoo.md) to download models.**
 
-In this page, we provide benchmarks as much as possible to evaluate our pre-trained models. If not mentioned, all models were trained on ImageNet1k dataset.
+In this page, we provide benchmarks as much as possible to evaluate our pre-trained models. If not mentioned, all models are pre-trained on ImageNet-1k dataset.
 
 ### Classification
 
@@ -50,6 +50,14 @@ The **Feature1 - Feature5** don't have the GlobalAveragePooling, the feature map
 | ------------------------------------------------------------------------------------------------------------------------------------------------ | -------- | -------- | -------- | -------- | -------- |
 | [resnet50_8xb32-coslr-200e](https://github.com/open-mmlab/mmselfsup/blob/master/configs/selfsup/mocov2/mocov2_resnet50_8xb32-coslr-200e_in1k.py) | 20.92    | 35.72    | 42.62    | 49.79    | 52.25    |
 
+#### ImageNet Nearest-Neighbor Classification
+
+The results are obtained from the features after GlobalAveragePooling. Here, k=10 to 200 indicates different number of nearest neighbors.
+
+| Self-Supervised Config                                                                                                                           | k=10 | k=20 | k=100 | k=200 |
+| ------------------------------------------------------------------------------------------------------------------------------------------------ | ---- | ---- | ----- | ----- |
+| [resnet50_8xb32-coslr-200e](https://github.com/open-mmlab/mmselfsup/blob/master/configs/selfsup/mocov2/mocov2_resnet50_8xb32-coslr-200e_in1k.py) | 55.6 | 55.7 | 53.7  | 52.5  |
+
 ### Detection
 
 The detection benchmarks includes 2 downstream task datasets, **Pascal VOC 2007 + 2012** and **COCO2017**. This benchmark follows the evluation protocols set up by MoCo.

configs/selfsup/mocov3/README.md

@@ -16,11 +16,11 @@ This paper does not describe a novel method. Instead, it studies a straightforwa
 
 **Back to [model_zoo.md](https://github.com/open-mmlab/mmselfsup/blob/master/docs/en/model_zoo.md) to download models.**
 
-In this page, we provide benchmarks as much as possible to evaluate our pre-trained models. If not mentioned, all models were trained on ImageNet1k dataset.
+In this page, we provide benchmarks as much as possible to evaluate our pre-trained models. If not mentioned, all models are pre-trained on ImageNet-1k dataset.
 
 ### Classification
 
-The classification benchmarks includes 4 downstream task datasets, **VOC**, **ImageNet**,  **iNaturalist2018** and **Places205**. If not specified, the results are  Top-1 (%).
+The classification benchmarks includes 4 downstream task datasets, **VOC**, **ImageNet**,  **iNaturalist2018** and **Places205**. If not specified, the results are Top-1 (%).
 
 #### ImageNet Linear Evaluation
 

configs/selfsup/npid/README.md

@@ -20,7 +20,7 @@ Our method is also remarkable for consistently improving test performance with m
 
 **Back to [model_zoo.md](https://github.com/open-mmlab/mmselfsup/blob/master/docs/en/model_zoo.md) to download models.**
 
-In this page, we provide benchmarks as much as possible to evaluate our pre-trained models. If not mentioned, all models were trained on ImageNet1k dataset.
+In this page, we provide benchmarks as much as possible to evaluate our pre-trained models. If not mentioned, all models are pre-trained on ImageNet-1k dataset.
 
 ### Classification
 
@@ -54,6 +54,14 @@ The **Feature1 - Feature5** don't have the GlobalAveragePooling, the feature map
 | ---------------------------------------------------------------------------------------------------------------------------------------------- | -------- | -------- | -------- | -------- | -------- |
 | [resnet50_8xb32-steplr-200e](https://github.com/open-mmlab/mmselfsup/blob/master/configs/selfsup/npid/npid_resnet50_8xb32-steplr-200e_in1k.py) | 19.98    | 34.86    | 41.59    | 48.43    | 48.71    |
 
+#### ImageNet Nearest-Neighbor Classification
+
+The results are obtained from the features after GlobalAveragePooling. Here, k=10 to 200 indicates different number of nearest neighbors.
+
+| Self-Supervised Config                                                                                                                         | k=10 | k=20 | k=100 | k=200 |
+| ---------------------------------------------------------------------------------------------------------------------------------------------- | ---- | ---- | ----- | ----- |
+| [resnet50_8xb32-steplr-200e](https://github.com/open-mmlab/mmselfsup/blob/master/configs/selfsup/npid/npid_resnet50_8xb32-steplr-200e_in1k.py) | 42.9 | 44.0 | 43.2  | 42.2  |
+
 ### Detection
 
 The detection benchmarks includes 2 downstream task datasets, **Pascal VOC 2007 + 2012** and **COCO2017**. This benchmark follows the evluation protocols set up by MoCo.

configs/selfsup/odc/README.md

@@ -16,11 +16,11 @@ Joint clustering and feature learning methods have shown remarkable performance
 
 **Back to [model_zoo.md](https://github.com/open-mmlab/mmselfsup/blob/master/docs/en/model_zoo.md) to download models.**
 
-In this page, we provide benchmarks as much as possible to evaluate our pre-trained models. If not mentioned, all models were trained on ImageNet1k dataset.
+In this page, we provide benchmarks as much as possible to evaluate our pre-trained models. If not mentioned, all models are pre-trained on ImageNet-1k dataset.
 
 ### Classification
 
-The classification benchmarks includes 4 downstream task datasets, **VOC**, **ImageNet**,  **iNaturalist2018** and **Places205**. If not specified, the results are  Top-1 (%).
+The classification benchmarks includes 4 downstream task datasets, **VOC**, **ImageNet**,  **iNaturalist2018** and **Places205**. If not specified, the results are Top-1 (%).
 
 #### VOC SVM / Low-shot SVM
 
@@ -50,6 +50,14 @@ The **Feature1 - Feature5** don't have the GlobalAveragePooling, the feature map
 | -------------------------------------------------------------------------------------------------------------------------------------------- | -------- | -------- | -------- | -------- | -------- |
 | [resnet50_8xb64-steplr-440e](https://github.com/open-mmlab/mmselfsup/blob/master/configs/selfsup/odc/odc_resnet50_8xb64-steplr-440e_in1k.py) | 19.28    | 34.09    | 40.90    | 47.04    | 48.35    |
 
+#### ImageNet Nearest-Neighbor Classification
+
+The results are obtained from the features after GlobalAveragePooling. Here, k=10 to 200 indicates different number of nearest neighbors.
+
+| Self-Supervised Config                                                                                                                       | k=10 | k=20 | k=100 | k=200 |
+| -------------------------------------------------------------------------------------------------------------------------------------------- | ---- | ---- | ----- | ----- |
+| [resnet50_8xb64-steplr-440e](https://github.com/open-mmlab/mmselfsup/blob/master/configs/selfsup/odc/odc_resnet50_8xb64-steplr-440e_in1k.py) | 38.5 | 39.1 | 37.8  | 36.9  |
+
 ## Citation
 
 ```bibtex

configs/selfsup/relative_loc/README.md

@@ -16,11 +16,11 @@ This work explores the use of spatial context as a source of free and plentiful
 
 **Back to [model_zoo.md](https://github.com/open-mmlab/mmselfsup/blob/master/docs/en/model_zoo.md) to download models.**
 
-In this page, we provide benchmarks as much as possible to evaluate our pre-trained models. If not mentioned, all models were trained on ImageNet1k dataset.
+In this page, we provide benchmarks as much as possible to evaluate our pre-trained models. If not mentioned, all models are pre-trained on ImageNet-1k dataset.
 
 ### Classification
 
-The classification benchmarks includes 4 downstream task datasets, **VOC**, **ImageNet**,  **iNaturalist2018** and **Places205**. If not specified, the results are  Top-1 (%).
+The classification benchmarks includes 4 downstream task datasets, **VOC**, **ImageNet**,  **iNaturalist2018** and **Places205**. If not specified, the results are Top-1 (%).
 
 #### VOC SVM / Low-shot SVM
 
@@ -50,6 +50,14 @@ The **Feature1 - Feature5** don't have the GlobalAveragePooling, the feature map
 | ------------------------------------------------------------------------------------------------------------------------------------------------------------ | -------- | -------- | -------- | -------- | -------- |
 | [resnet50_8xb64-steplr-70e](https://github.com/open-mmlab/mmselfsup/blob/master/configs/selfsup/relative_loc/relative-loc_resnet50_8xb64-steplr-70e_in1k.py) | 20.69    | 34.72    | 43.01    | 45.97    | 41.96    |
 
+#### ImageNet Nearest-Neighbor Classification
+
+The results are obtained from the features after GlobalAveragePooling. Here, k=10 to 200 indicates different number of nearest neighbors.
+
+| Self-Supervised Config                                                                                                                                       | k=10 | k=20 | k=100 | k=200 |
+| ------------------------------------------------------------------------------------------------------------------------------------------------------------ | ---- | ---- | ----- | ----- |
+| [resnet50_8xb64-steplr-70e](https://github.com/open-mmlab/mmselfsup/blob/master/configs/selfsup/relative_loc/relative-loc_resnet50_8xb64-steplr-70e_in1k.py) | 14.5 | 15.0 | 15.0  | 14.2  |
+
 ### Detection
 
 The detection benchmarks includes 2 downstream task datasets, **Pascal VOC 2007 + 2012** and **COCO2017**. This benchmark follows the evluation protocols set up by MoCo.

configs/selfsup/rotation_pred/README.md

@@ -16,11 +16,11 @@ Over the last years, deep convolutional neural networks (ConvNets) have transfor
 
 **Back to [model_zoo.md](https://github.com/open-mmlab/mmselfsup/blob/master/docs/en/model_zoo.md) to download models.**
 
-In this page, we provide benchmarks as much as possible to evaluate our pre-trained models. If not mentioned, all models were trained on ImageNet1k dataset.
+In this page, we provide benchmarks as much as possible to evaluate our pre-trained models. If not mentioned, all models are pre-trained on ImageNet-1k dataset.
 
 ### Classification
 
-The classification benchmarks includes 4 downstream task datasets, **VOC**, **ImageNet**,  **iNaturalist2018** and **Places205**. If not specified, the results are  Top-1 (%).
+The classification benchmarks includes 4 downstream task datasets, **VOC**, **ImageNet**,  **iNaturalist2018** and **Places205**. If not specified, the results are Top-1 (%).
 
 #### VOC SVM / Low-shot SVM
 
@@ -50,6 +50,14 @@ The **Feature1 - Feature5** don't have the GlobalAveragePooling, the feature map
 | -------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------- | -------- | -------- | -------- | -------- |
 | [resnet50_8xb16-steplr-70e](https://github.com/open-mmlab/mmselfsup/blob/master/configs/selfsup/rotation_pred/rotation-pred_resnet50_8xb16-steplr-70e_in1k.py) | 18.94    | 34.72    | 44.53    | 46.30    | 44.12    |
 
+#### ImageNet Nearest-Neighbor Classification
+
+The results are obtained from the features after GlobalAveragePooling. Here, k=10 to 200 indicates different number of nearest neighbors.
+
+| Self-Supervised Config                                                                                                                                         | k=10 | k=20 | k=100 | k=200 |
+| -------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---- | ---- | ----- | ----- |
+| [resnet50_8xb16-steplr-70e](https://github.com/open-mmlab/mmselfsup/blob/master/configs/selfsup/rotation_pred/rotation-pred_resnet50_8xb16-steplr-70e_in1k.py) | 11.0 | 11.9 | 12.6  | 12.4  |
+
 ### Detection
 
 The detection benchmarks includes 2 downstream task datasets, **Pascal VOC 2007 + 2012** and **COCO2017**. This benchmark follows the evluation protocols set up by MoCo.