IA3 support

2 files changed, 34 insertions, 0 deletions

diff --git a/extensions-builtin/Lora/network_ia3.py b/extensions-builtin/Lora/network_ia3.py
new file mode 100644
index 00000000..99f2307c
--- /dev/null
+++ b/extensions-builtin/Lora/network_ia3.py
@@ -0,0 +1,32 @@
+import lyco_helpers

+import network

+import network_lyco

+

+

+class ModuleTypeIa3(network.ModuleType):

+    def create_module(self, net: network.Network, weights: network.NetworkWeights):

+        if all(x in weights.w for x in ["weight"]):

+            return NetworkModuleIa3(net, weights)

+

+        return None

+

+

+class NetworkModuleIa3(network_lyco.NetworkModuleLyco):

+    def __init__(self,  net: network.Network, weights: network.NetworkWeights):

+        super().__init__(net, weights)

+

+        self.w = weights.w["weight"]

+        self.on_input = weights.w["on_input"].item()

+

+    def calc_updown(self, orig_weight):

+        w = self.w.to(orig_weight.device, dtype=orig_weight.dtype)

+

+        output_shape = [w.size(0), orig_weight.size(1)]

+        if self.on_input:

+            output_shape.reverse()

+        else:

+            w = w.reshape(-1, 1)

+

+        updown = orig_weight * w

+

+        return self.finalize_updown(updown, orig_weight, output_shape)

diff --git a/extensions-builtin/Lora/networks.py b/extensions-builtin/Lora/networks.py
index 90374faa..bf810b5b 100644
--- a/extensions-builtin/Lora/networks.py
+++ b/extensions-builtin/Lora/networks.py
@@ -4,6 +4,7 @@ import re
 import network

 import network_lora

 import network_hada

+import network_ia3

 

 import torch

 from typing import Union

@@ -13,6 +14,7 @@ from modules import shared, devices, sd_models, errors, scripts, sd_hijack
 module_types = [

     network_lora.ModuleTypeLora(),

     network_hada.ModuleTypeHada(),

+    network_ia3.ModuleTypeIa3(),

 ]