From 432a5a9d821654b732196a95e99c91e9a2e13f6c Mon Sep 17 00:00:00 2001 From: Rattus Date: Mon, 27 Oct 2025 18:53:19 +1000 Subject: [PATCH] controlnet: adopt new cast_bias_weight synchronization scheme This is nessacary for safe async weight offloading. --- comfy/controlnet.py | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) diff --git a/comfy/controlnet.py b/comfy/controlnet.py index f08ff4b36..0b5e30f52 100644 --- a/comfy/controlnet.py +++ b/comfy/controlnet.py @@ -310,11 +310,13 @@ class ControlLoraOps: self.bias = None def forward(self, input): - weight, bias = comfy.ops.cast_bias_weight(self, input) + weight, bias, offload_stream = comfy.ops.cast_bias_weight(self, input, offloadable=True) if self.up is not None: - return torch.nn.functional.linear(input, weight + (torch.mm(self.up.flatten(start_dim=1), self.down.flatten(start_dim=1))).reshape(self.weight.shape).type(input.dtype), bias) + x = torch.nn.functional.linear(input, weight + (torch.mm(self.up.flatten(start_dim=1), self.down.flatten(start_dim=1))).reshape(self.weight.shape).type(input.dtype), bias) else: - return torch.nn.functional.linear(input, weight, bias) + x = torch.nn.functional.linear(input, weight, bias) + comfy.ops.uncast_bias_weight(self, weight, bias, offload_stream) + return x class Conv2d(torch.nn.Module, comfy.ops.CastWeightBiasOp): def __init__( @@ -350,12 +352,13 @@ class ControlLoraOps: def forward(self, input): - weight, bias = comfy.ops.cast_bias_weight(self, input) + weight, bias, offload_stream = comfy.ops.cast_bias_weight(self, input, offloadable=True) if self.up is not None: - return torch.nn.functional.conv2d(input, weight + (torch.mm(self.up.flatten(start_dim=1), self.down.flatten(start_dim=1))).reshape(self.weight.shape).type(input.dtype), bias, self.stride, self.padding, self.dilation, self.groups) + x = torch.nn.functional.conv2d(input, weight + (torch.mm(self.up.flatten(start_dim=1), self.down.flatten(start_dim=1))).reshape(self.weight.shape).type(input.dtype), bias, self.stride, self.padding, self.dilation, self.groups) else: - return torch.nn.functional.conv2d(input, weight, bias, self.stride, self.padding, self.dilation, self.groups) - + x = torch.nn.functional.conv2d(input, weight, bias, self.stride, self.padding, self.dilation, self.groups) + comfy.ops.uncast_bias_weight(self, weight, bias, offload_stream) + return x class ControlLora(ControlNet): def __init__(self, control_weights, global_average_pooling=False, model_options={}): #TODO? model_options