diff --git a/basicsr/archs/model_complexity.py b/basicsr/archs/model_complexity.py
new file mode 100644
index 0000000..8840559
--- /dev/null
+++ b/basicsr/archs/model_complexity.py
@@ -0,0 +1,35 @@
+from thop import profile
+import torch
+from .EFEN_arch import EFEN
+
+net = EFEN(channels=48, num_DFEB=8, upscale_factor=4)
+input = torch.randn(1, 3, 320, 180)
+flops, params = profile(net, (input,))
+print('flops[G]: ', flops/1e9, 'params[K]: ', params/1e3)
+
+#--------------------------*****RFDB-WOA(only)*8(48 channel)(320*180)*****----------------------------------#
+# FLOPs:  39298867200.0 = 39.3G     # params:  300702.0 = 300.7K
+#--------------------------*****EBFB-SRB(only)*8(48 channel)(320*180)*****----------------------------------#
+# FLOPs:  38237184000.0 = 38.2G     # params:  263838.0 = 263.8K
+#--------------------------*****EBFB(only)*8(48 channel)(320*180)*****----------------------------------#
+# FLOPs:  17777664000.0 = 17.8G     # params:  185886.0 = 185.9K
+#--------------------------*****(RFDB-WOA+EMSA)*8(48 channel)(320*180)*****----------------------------------#
+# FLOPs:  42118318080.0 = 42.1G     # params:  342174.0 = 342.2K
+#--------------------------*****(EBFB-SRB+EMSA)*8(48 channel)(320*180)*****----------------------------------#
+# FLOPs:  41056634880.0 = 41.1G     # params:  305310 = 305.3K
+#--------------------------*****(EBFB+EMSA)*8(48 channel)(320*180)*****----------------------------------#
+# FLOPs:  20597114880.0 = 20.6G     # params:  227358.0 = 227.4K
+#--------------------------*****SAFM(only)*8(48 channel)(320*180)*****----------------------------------#
+# FLOPs:  3267717120.0 = 3.3G     # params:  27294.0 = 27.3K
+#--------------------------*****ESA(only)*8(48 channel)(320*180)*****----------------------------------#
+# FLOPs:  2928286080.0 = 2.9G     # params:  57438.0 = 57.4K
+#--------------------------*****EMSA(only)*8(48 channel)(320*180)*****----------------------------------#
+# FLOPs:  4959406080.0 = 5.0G     # params:  46110.0 = 46.1K
+#--------------------------*****(EBFB+ESA)*8(48 channel)(320*180)*****----------------------------------#
+# FLOPs:  18565994880.0 = 18.6G     # params:  238686.0 = 238.7K
+#--------------------------*****(EBFB+SAFM)*8(48 channel)(320*180)*****----------------------------------#
+# FLOPs:  18905425920.0 = 18.9G     # params:  208542.0 = 208.5K
+#--------------------------*****(EBFB+EMSA)*8*****----------------------------------#
+# FLOPs:  20597114880.0 = 20.6G     # params:  227358.0 = 227.4K  (x4)(320*180)(48 channel)
+# FLOPs:  33954855840.0 = 34.0G     # params:  227418.0 = 227.4K  (x3)(426*240)(48 channel)
+# FLOPs:  75678451200.0 = 75.7G     # params:  227358.0 = 227.4K  (x2)(640*360)(48 channel)