Commit 906d1179 authored by v0xie's avatar v0xie
Browse files

support inference with LyCORIS GLora networks

parent 7d60076b
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+33 −0
Original line number Diff line number Diff line

import network

class ModuleTypeGLora(network.ModuleType):
    def create_module(self, net: network.Network, weights: network.NetworkWeights):
        if all(x in weights.w for x in ["a1.weight", "a2.weight", "alpha", "b1.weight", "b2.weight"]):
            return NetworkModuleGLora(net, weights)

        return None

# adapted from https://github.com/KohakuBlueleaf/LyCORIS
class NetworkModuleGLora(network.NetworkModule):
    def __init__(self,  net: network.Network, weights: network.NetworkWeights):
        super().__init__(net, weights)

        if hasattr(self.sd_module, 'weight'):
            self.shape = self.sd_module.weight.shape

        self.w1a = weights.w["a1.weight"]
        self.w1b = weights.w["b1.weight"]
        self.w2a = weights.w["a2.weight"]
        self.w2b = weights.w["b2.weight"]

    def calc_updown(self, orig_weight):
        w1a = self.w1a.to(orig_weight.device, dtype=orig_weight.dtype)
        w1b = self.w1b.to(orig_weight.device, dtype=orig_weight.dtype)
        w2a = self.w2a.to(orig_weight.device, dtype=orig_weight.dtype)
        w2b = self.w2b.to(orig_weight.device, dtype=orig_weight.dtype)

        output_shape = [w1a.size(0), w1b.size(1)]
        updown = ((w2b @ w1b) + ((orig_weight @ w2a) @ w1a))

        return self.finalize_updown(updown, orig_weight, output_shape)
+2 −0
Original line number Diff line number Diff line
@@ -5,6 +5,7 @@ import re
import lora_patches
import network
import network_lora
import network_glora
import network_hada
import network_ia3
import network_lokr
@@ -23,6 +24,7 @@ module_types = [
    network_lokr.ModuleTypeLokr(),
    network_full.ModuleTypeFull(),
    network_norm.ModuleTypeNorm(),
    network_glora.ModuleTypeGLora(),
]