Add maxvit_tiny_rw_224 weights 83.5 @ 224 and maxvit_rmlp_pico_rw_256 relpos weights, 80.5 @ 256, 81.3 @ 320

Author: rwightman

timm/models/maxxvit.py

@@ -110,8 +110,14 @@ def _cfg(url='', **kwargs):
     'maxvit_nano_rw_256': _cfg(
         url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-weights-maxx/maxvit_nano_rw_256_sw-fb127241.pth',
         input_size=(3, 256, 256), pool_size=(8, 8)),
-    'maxvit_tiny_rw_224': _cfg(url=''),
-    'maxvit_tiny_rw_256': _cfg(url='', input_size=(3, 256, 256), pool_size=(8, 8)),
+    'maxvit_tiny_rw_224': _cfg(
+        url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-weights-maxx/maxvit_tiny_rw_224_sw-7d0dffeb.pth'),
+    'maxvit_tiny_rw_256': _cfg(
+        url='',
+        input_size=(3, 256, 256), pool_size=(8, 8)),
+    'maxvit_rmlp_pico_rw_256': _cfg(
+        url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-weights-maxx/maxvit_rmlp_pico_rw_256_sw-8d82f2c6.pth',
+        input_size=(3, 256, 256), pool_size=(8, 8)),
     'maxvit_rmlp_nano_rw_256': _cfg(
         url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-weights-maxx/maxvit_rmlp_nano_rw_256_sw-c17bb0d6.pth',
         input_size=(3, 256, 256), pool_size=(8, 8)),
@@ -139,7 +145,7 @@ class MaxxVitTransformerCfg:
     pool_type: str = 'avg2'
     rel_pos_type: str = 'bias'
     rel_pos_dim: int = 512  # for relative position types w/ MLP
-    partition_stride: int = 32
+    partition_ratio: int = 32
     window_size: Optional[Tuple[int, int]] = None
     grid_size: Optional[Tuple[int, int]] = None
     init_values: Optional[float] = None
@@ -495,6 +501,13 @@ def _next_cfg(
         stem_width=(32, 64),
         **_rw_max_cfg(),
     ),
+    maxvit_rmlp_pico_rw_256=MaxxVitCfg(
+        embed_dim=(32, 64, 128, 256),
+        depths=(2, 2, 5, 2),
+        block_type=('M',) * 4,
+        stem_width=(24, 32),
+        **_rw_max_cfg(rel_pos_type='mlp'),
+    ),
     maxvit_rmlp_nano_rw_256=MaxxVitCfg(
         embed_dim=(64, 128, 256, 512),
         depths=(1, 2, 3, 1),
@@ -1458,7 +1471,7 @@ def cfg_window_size(cfg: MaxxVitTransformerCfg, img_size: Tuple[int, int]):
     if cfg.window_size is not None:
         assert cfg.grid_size
         return cfg
-    partition_size = img_size[0] // cfg.partition_stride, img_size[1] // cfg.partition_stride
+    partition_size = img_size[0] // cfg.partition_ratio, img_size[1] // cfg.partition_ratio
     cfg = replace(cfg, window_size=partition_size, grid_size=partition_size)
     return cfg
 
@@ -1698,6 +1711,11 @@ def maxvit_tiny_rw_256(pretrained=False, **kwargs):
     return _create_maxxvit('maxvit_tiny_rw_256', pretrained=pretrained, **kwargs)
 
 
+@register_model
+def maxvit_rmlp_pico_rw_256(pretrained=False, **kwargs):
+    return _create_maxxvit('maxvit_rmlp_pico_rw_256', pretrained=pretrained, **kwargs)
+
+
 @register_model
 def maxvit_rmlp_nano_rw_256(pretrained=False, **kwargs):
     return _create_maxxvit('maxvit_rmlp_nano_rw_256', pretrained=pretrained, **kwargs)