smaller input & channels of unittest (open-mmlab#1004)

tests/test_models/test_backbones/test_bisenetv1.py

@@ -25,20 +25,20 @@ def test_bisenetv1_backbone():
     model.init_weights()
     model.train()
     batch_size = 2
-    imgs = torch.randn(batch_size, 3, 256, 512)
+    imgs = torch.randn(batch_size, 3, 64, 128)
     feat = model(imgs)
 
     assert len(feat) == 3
     # output for segment Head
-    assert feat[0].shape == torch.Size([batch_size, 256, 32, 64])
+    assert feat[0].shape == torch.Size([batch_size, 256, 8, 16])
     # for auxiliary head 1
-    assert feat[1].shape == torch.Size([batch_size, 128, 32, 64])
+    assert feat[1].shape == torch.Size([batch_size, 128, 8, 16])
     # for auxiliary head 2
-    assert feat[2].shape == torch.Size([batch_size, 128, 16, 32])
+    assert feat[2].shape == torch.Size([batch_size, 128, 4, 8])
 
     # Test input with rare shape
     batch_size = 2
-    imgs = torch.randn(batch_size, 3, 527, 279)
+    imgs = torch.randn(batch_size, 3, 95, 27)
     feat = model(imgs)
     assert len(feat) == 3
 
@@ -47,20 +47,20 @@ def test_bisenetv1_backbone():
         BiSeNetV1(
             backbone_cfg=backbone_cfg,
             in_channels=3,
-            spatial_channels=(64, 64, 64))
+            spatial_channels=(16, 16, 16))
 
     with pytest.raises(AssertionError):
         # BiSeNetV1 context path constraints.
         BiSeNetV1(
             backbone_cfg=backbone_cfg,
             in_channels=3,
-            context_channels=(128, 256, 512, 1024))
+            context_channels=(16, 32, 64, 128))
 
 
 def test_bisenetv1_spatial_path():
     with pytest.raises(AssertionError):
         # BiSeNetV1 spatial path channel constraints.
-        SpatialPath(num_channels=(64, 64, 64), in_channels=3)
+        SpatialPath(num_channels=(16, 16, 16), in_channels=3)
 
 
 def test_bisenetv1_context_path():
@@ -79,31 +79,31 @@ def test_bisenetv1_context_path():
     with pytest.raises(AssertionError):
         # BiSeNetV1 context path constraints.
         ContextPath(
-            backbone_cfg=backbone_cfg, context_channels=(128, 256, 512, 1024))
+            backbone_cfg=backbone_cfg, context_channels=(16, 32, 64, 128))
 
 
 def test_bisenetv1_attention_refinement_module():
-    x_arm = AttentionRefinementModule(256, 64)
-    assert x_arm.conv_layer.in_channels == 256
-    assert x_arm.conv_layer.out_channels == 64
+    x_arm = AttentionRefinementModule(32, 8)
+    assert x_arm.conv_layer.in_channels == 32
+    assert x_arm.conv_layer.out_channels == 8
     assert x_arm.conv_layer.kernel_size == (3, 3)
-    x = torch.randn(2, 256, 32, 64)
+    x = torch.randn(2, 32, 8, 16)
     x_out = x_arm(x)
-    assert x_out.shape == torch.Size([2, 64, 32, 64])
+    assert x_out.shape == torch.Size([2, 8, 8, 16])
 
 
 def test_bisenetv1_feature_fusion_module():
-    ffm = FeatureFusionModule(128, 256)
-    assert ffm.conv1.in_channels == 128
-    assert ffm.conv1.out_channels == 256
+    ffm = FeatureFusionModule(16, 32)
+    assert ffm.conv1.in_channels == 16
+    assert ffm.conv1.out_channels == 32
     assert ffm.conv1.kernel_size == (1, 1)
     assert ffm.gap.output_size == (1, 1)
-    assert ffm.conv_atten[0].in_channels == 256
-    assert ffm.conv_atten[0].out_channels == 256
+    assert ffm.conv_atten[0].in_channels == 32
+    assert ffm.conv_atten[0].out_channels == 32
     assert ffm.conv_atten[0].kernel_size == (1, 1)
 
-    ffm = FeatureFusionModule(128, 128)
-    x1 = torch.randn(2, 64, 64, 128)
-    x2 = torch.randn(2, 64, 64, 128)
+    ffm = FeatureFusionModule(16, 16)
+    x1 = torch.randn(2, 8, 8, 16)
+    x2 = torch.randn(2, 8, 8, 16)
     x_out = ffm(x1, x2)
-    assert x_out.shape == torch.Size([2, 128, 64, 128])
+    assert x_out.shape == torch.Size([2, 16, 8, 16])

tests/test_models/test_backbones/test_bisenetv2.py

@@ -13,34 +13,34 @@ def test_bisenetv2_backbone():
     model.init_weights()
     model.train()
     batch_size = 2
-    imgs = torch.randn(batch_size, 3, 512, 1024)
+    imgs = torch.randn(batch_size, 3, 128, 256)
     feat = model(imgs)
 
     assert len(feat) == 5
     # output for segment Head
-    assert feat[0].shape == torch.Size([batch_size, 128, 64, 128])
+    assert feat[0].shape == torch.Size([batch_size, 128, 16, 32])
     # for auxiliary head 1
-    assert feat[1].shape == torch.Size([batch_size, 16, 128, 256])
+    assert feat[1].shape == torch.Size([batch_size, 16, 32, 64])
     # for auxiliary head 2
-    assert feat[2].shape == torch.Size([batch_size, 32, 64, 128])
+    assert feat[2].shape == torch.Size([batch_size, 32, 16, 32])
     # for auxiliary head 3
-    assert feat[3].shape == torch.Size([batch_size, 64, 32, 64])
+    assert feat[3].shape == torch.Size([batch_size, 64, 8, 16])
     # for auxiliary head 4
-    assert feat[4].shape == torch.Size([batch_size, 128, 16, 32])
+    assert feat[4].shape == torch.Size([batch_size, 128, 4, 8])
 
     # Test input with rare shape
     batch_size = 2
-    imgs = torch.randn(batch_size, 3, 527, 952)
+    imgs = torch.randn(batch_size, 3, 95, 27)
     feat = model(imgs)
     assert len(feat) == 5
 
 
 def test_bisenetv2_DetailBranch():
-    x = torch.randn(1, 3, 512, 1024)
-    detail_branch = DetailBranch(detail_channels=(64, 64, 128))
+    x = torch.randn(1, 3, 32, 64)
+    detail_branch = DetailBranch(detail_channels=(64, 16, 32))
     assert isinstance(detail_branch.detail_branch[0][0], ConvModule)
     x_out = detail_branch(x)
-    assert x_out.shape == torch.Size([1, 128, 64, 128])
+    assert x_out.shape == torch.Size([1, 32, 4, 8])
 
 
 def test_bisenetv2_SemanticBranch():
@@ -49,9 +49,9 @@ def test_bisenetv2_SemanticBranch():
 
 
 def test_bisenetv2_BGALayer():
-    x_a = torch.randn(1, 128, 64, 128)
-    x_b = torch.randn(1, 128, 16, 32)
-    bga = BGALayer()
+    x_a = torch.randn(1, 8, 8, 16)
+    x_b = torch.randn(1, 8, 2, 4)
+    bga = BGALayer(out_channels=8)
     assert isinstance(bga.conv, ConvModule)
     x_out = bga(x_a, x_b)
-    assert x_out.shape == torch.Size([1, 128, 64, 128])
+    assert x_out.shape == torch.Size([1, 8, 8, 16])

tests/test_models/test_backbones/test_fast_scnn.py

@@ -16,17 +16,27 @@ def test_fastscnn_backbone():
             lower_in_channels=128)
 
     # Test FastSCNN Standard Forward
-    model = FastSCNN()
+    model = FastSCNN(
+        in_channels=3,
+        downsample_dw_channels=(4, 6),
+        global_in_channels=8,
+        global_block_channels=(8, 12, 16),
+        global_block_strides=(2, 2, 1),
+        global_out_channels=16,
+        higher_in_channels=8,
+        lower_in_channels=16,
+        fusion_out_channels=16,
+    )
     model.init_weights()
     model.train()
     batch_size = 4
-    imgs = torch.randn(batch_size, 3, 512, 1024)
+    imgs = torch.randn(batch_size, 3, 64, 128)
     feat = model(imgs)
 
     assert len(feat) == 3
     # higher-res
-    assert feat[0].shape == torch.Size([batch_size, 64, 64, 128])
+    assert feat[0].shape == torch.Size([batch_size, 8, 8, 16])
     # lower-res
-    assert feat[1].shape == torch.Size([batch_size, 128, 16, 32])
+    assert feat[1].shape == torch.Size([batch_size, 16, 2, 4])
     # FFM output
-    assert feat[2].shape == torch.Size([batch_size, 128, 64, 128])
+    assert feat[2].shape == torch.Size([batch_size, 16, 8, 16])

tests/test_models/test_backbones/test_hrnet.py

@@ -95,21 +95,21 @@ def test_hrnet_backbone():
     model.init_weights()
     model.train()
 
-    imgs = torch.randn(1, 3, 256, 256)
+    imgs = torch.randn(1, 3, 64, 64)
     feats = model(imgs)
     assert len(feats) == 4
-    assert feats[0].shape == torch.Size([1, 32, 64, 64])
-    assert feats[3].shape == torch.Size([1, 256, 8, 8])
+    assert feats[0].shape == torch.Size([1, 32, 16, 16])
+    assert feats[3].shape == torch.Size([1, 256, 2, 2])
 
     # Test single scale output
     model = HRNet(extra=extra, multiscale_output=False)
     model.init_weights()
     model.train()
 
-    imgs = torch.randn(1, 3, 256, 256)
+    imgs = torch.randn(1, 3, 64, 64)
     feats = model(imgs)
     assert len(feats) == 1
-    assert feats[0].shape == torch.Size([1, 32, 64, 64])
+    assert feats[0].shape == torch.Size([1, 32, 16, 16])
 
     # Test HRNET with two stage frozen
     frozen_stages = 2

tests/test_models/test_backbones/test_icnet.py

@@ -10,32 +10,34 @@ def test_icnet_backbone():
         # Must give backbone dict in config file.
         ICNet(
             in_channels=3,
-            layer_channels=(512, 2048),
-            light_branch_middle_channels=32,
-            psp_out_channels=512,
-            out_channels=(64, 256, 256),
+            layer_channels=(128, 512),
+            light_branch_middle_channels=8,
+            psp_out_channels=128,
+            out_channels=(16, 128, 128),
             backbone_cfg=None)
 
     # Test ICNet Standard Forward
     model = ICNet(
+        layer_channels=(128, 512),
         backbone_cfg=dict(
             type='ResNetV1c',
             in_channels=3,
-            depth=50,
+            depth=18,
             num_stages=4,
             out_indices=(0, 1, 2, 3),
             dilations=(1, 1, 2, 4),
             strides=(1, 2, 1, 1),
             norm_cfg=dict(type='BN', requires_grad=True),
             norm_eval=False,
             style='pytorch',
-            contract_dilation=True), )
+            contract_dilation=True),
+    )
     assert hasattr(model.backbone,
                    'maxpool') and model.backbone.maxpool.ceil_mode is True
     model.init_weights()
     model.train()
     batch_size = 2
-    imgs = torch.randn(batch_size, 3, 512, 1024)
+    imgs = torch.randn(batch_size, 3, 32, 64)
     feat = model(imgs)
 
     assert model.psp_modules[0][0].output_size == 1
@@ -45,4 +47,4 @@ def test_icnet_backbone():
     assert model.conv_sub1[0].padding == 1
 
     assert len(feat) == 3
-    assert feat[0].shape == torch.Size([batch_size, 64, 64, 128])
+    assert feat[0].shape == torch.Size([batch_size, 64, 4, 8])

tests/test_models/test_backbones/test_mit.py

@@ -24,7 +24,7 @@ def test_mit():
     assert outs[3].shape == (1, 256, H // 32, W // 32)
 
     # Test non-squared input
-    H, W = (224, 320)
+    H, W = (224, 256)
     temp = torch.randn((1, 3, H, W))
     outs = model(temp)
     assert outs[0].shape == (1, 32, H // 4, W // 4)
@@ -33,25 +33,25 @@ def test_mit():
     assert outs[3].shape == (1, 256, H // 32, W // 32)
 
     # Test MixFFN
-    FFN = MixFFN(128, 512)
+    FFN = MixFFN(64, 128)
     hw_shape = (32, 32)
     token_len = 32 * 32
-    temp = torch.randn((1, token_len, 128))
+    temp = torch.randn((1, token_len, 64))
     # Self identity
     out = FFN(temp, hw_shape)
-    assert out.shape == (1, token_len, 128)
+    assert out.shape == (1, token_len, 64)
     # Out identity
     outs = FFN(temp, hw_shape, temp)
-    assert out.shape == (1, token_len, 128)
+    assert out.shape == (1, token_len, 64)
 
     # Test EfficientMHA
-    MHA = EfficientMultiheadAttention(128, 2)
+    MHA = EfficientMultiheadAttention(64, 2)
     hw_shape = (32, 32)
     token_len = 32 * 32
-    temp = torch.randn((1, token_len, 128))
+    temp = torch.randn((1, token_len, 64))
     # Self identity
     out = MHA(temp, hw_shape)
-    assert out.shape == (1, token_len, 128)
+    assert out.shape == (1, token_len, 64)
     # Out identity
     outs = MHA(temp, hw_shape, temp)
-    assert out.shape == (1, token_len, 128)
+    assert out.shape == (1, token_len, 64)

tests/test_models/test_backbones/test_mobilenet_v3.py

@@ -32,24 +32,24 @@ def test_mobilenet_v3():
     model.init_weights()
     model.train()
 
-    imgs = torch.randn(2, 3, 224, 224)
+    imgs = torch.randn(2, 3, 56, 56)
     feat = model(imgs)
     assert len(feat) == 3
-    assert feat[0].shape == (2, 16, 112, 112)
-    assert feat[1].shape == (2, 16, 56, 56)
-    assert feat[2].shape == (2, 576, 28, 28)
+    assert feat[0].shape == (2, 16, 28, 28)
+    assert feat[1].shape == (2, 16, 14, 14)
+    assert feat[2].shape == (2, 576, 7, 7)
 
     # Test MobileNetV3 with arch = 'large'
     model = MobileNetV3(arch='large', out_indices=(1, 3, 16))
     model.init_weights()
     model.train()
 
-    imgs = torch.randn(2, 3, 224, 224)
+    imgs = torch.randn(2, 3, 56, 56)
     feat = model(imgs)
     assert len(feat) == 3
-    assert feat[0].shape == (2, 16, 112, 112)
-    assert feat[1].shape == (2, 24, 56, 56)
-    assert feat[2].shape == (2, 960, 28, 28)
+    assert feat[0].shape == (2, 16, 28, 28)
+    assert feat[1].shape == (2, 24, 14, 14)
+    assert feat[2].shape == (2, 960, 7, 7)
 
     # Test MobileNetV3 with norm_eval True, with_cp True and frozen_stages=5
     model = MobileNetV3(norm_eval=True, with_cp=True, frozen_stages=5)
@@ -59,9 +59,9 @@ def test_mobilenet_v3():
     model.init_weights()
     model.train()
 
-    imgs = torch.randn(2, 3, 224, 224)
+    imgs = torch.randn(2, 3, 56, 56)
     feat = model(imgs)
     assert len(feat) == 3
-    assert feat[0].shape == (2, 16, 112, 112)
-    assert feat[1].shape == (2, 16, 56, 56)
-    assert feat[2].shape == (2, 576, 28, 28)
+    assert feat[0].shape == (2, 16, 28, 28)
+    assert feat[1].shape == (2, 16, 14, 14)
+    assert feat[2].shape == (2, 576, 7, 7)