LoKR support.

comfy/sd.py

@@ -111,6 +111,8 @@ def load_lora(path, to_load):
             loaded_keys.add(A_name)
             loaded_keys.add(B_name)
 
+
+        ######## loha
         hada_w1_a_name = "{}.hada_w1_a".format(x)
         hada_w1_b_name = "{}.hada_w1_b".format(x)
         hada_w2_a_name = "{}.hada_w2_a".format(x)
@@ -132,6 +134,54 @@ def load_lora(path, to_load):
             loaded_keys.add(hada_w2_a_name)
             loaded_keys.add(hada_w2_b_name)
 
+
+        ######## lokr
+        lokr_w1_name = "{}.lokr_w1".format(x)
+        lokr_w2_name = "{}.lokr_w2".format(x)
+        lokr_w1_a_name = "{}.lokr_w1_a".format(x)
+        lokr_w1_b_name = "{}.lokr_w1_b".format(x)
+        lokr_t2_name = "{}.lokr_t2".format(x)
+        lokr_w2_a_name = "{}.lokr_w2_a".format(x)
+        lokr_w2_b_name = "{}.lokr_w2_b".format(x)
+
+        lokr_w1 = None
+        if lokr_w1_name in lora.keys():
+            lokr_w1 = lora[lokr_w1_name]
+            loaded_keys.add(lokr_w1_name)
+
+        lokr_w2 = None
+        if lokr_w2_name in lora.keys():
+            lokr_w2 = lora[lokr_w2_name]
+            loaded_keys.add(lokr_w2_name)
+
+        lokr_w1_a = None
+        if lokr_w1_a_name in lora.keys():
+            lokr_w1_a = lora[lokr_w1_a_name]
+            loaded_keys.add(lokr_w1_a_name)
+
+        lokr_w1_b = None
+        if lokr_w1_b_name in lora.keys():
+            lokr_w1_b = lora[lokr_w1_b_name]
+            loaded_keys.add(lokr_w1_b_name)
+
+        lokr_w2_a = None
+        if lokr_w2_a_name in lora.keys():
+            lokr_w2_a = lora[lokr_w2_a_name]
+            loaded_keys.add(lokr_w2_a_name)
+
+        lokr_w2_b = None
+        if lokr_w2_b_name in lora.keys():
+            lokr_w2_b = lora[lokr_w2_b_name]
+            loaded_keys.add(lokr_w2_b_name)
+
+        lokr_t2 = None
+        if lokr_t2_name in lora.keys():
+            lokr_t2 = lora[lokr_t2_name]
+            loaded_keys.add(lokr_t2_name)
+
+        if (lokr_w1 is not None) or (lokr_w2 is not None) or (lokr_w1_a is not None) or (lokr_w2_a is not None):
+            patch_dict[to_load[x]] = (lokr_w1, lokr_w2, alpha, lokr_w1_a, lokr_w1_b, lokr_w2_a, lokr_w2_b, lokr_t2)
+
     for x in lora.keys():
         if x not in loaded_keys:
             print("lora key not loaded", x)
@@ -315,6 +365,33 @@ class ModelPatcher:
                         final_shape = [mat2.shape[1], mat2.shape[0], v[3].shape[2], v[3].shape[3]]
                         mat2 = torch.mm(mat2.transpose(0, 1).flatten(start_dim=1).float(), v[3].transpose(0, 1).flatten(start_dim=1).float()).reshape(final_shape).transpose(0, 1)
                     weight += (alpha * torch.mm(mat1.flatten(start_dim=1).float(), mat2.flatten(start_dim=1).float())).reshape(weight.shape).type(weight.dtype).to(weight.device)
+                elif len(v) == 8: #lokr
+                    w1 = v[0]
+                    w2 = v[1]
+                    w1_a = v[3]
+                    w1_b = v[4]
+                    w2_a = v[5]
+                    w2_b = v[6]
+                    t2 = v[7]
+                    dim = None
+
+                    if w1 is None:
+                        dim = w1_b.shape[0]
+                        w1 = torch.mm(w1_a.float(), w1_b.float())
+
+                    if w2 is None:
+                        dim = w2_b.shape[0]
+                        if t2 is None:
+                            w2 = torch.mm(w2_a.float(), w2_b.float())
+                        else:
+                            w2 = torch.einsum('i j k l, j r, i p -> p r k l', t2.float(), w2_b.float(), w2_a.float())
+
+                    if len(w2.shape) == 4:
+                        w1 = w1.unsqueeze(2).unsqueeze(2)
+                    if v[2] is not None and dim is not None:
+                        alpha *= v[2] / dim
+
+                    weight += alpha * torch.kron(w1.float(), w2.float()).reshape(weight.shape).type(weight.dtype).to(weight.device)
                 else: #loha
                     w1a = v[0]
                     w1b = v[1]