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Fix MultiGPU Options node discarding cloned GPUOptionsGroup

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GPUOptionsGroup.clone() returns a new instance, but the return value was discarded, causing the node to mutate the upstream caller's group in-place. When multiple MultiGPU Options nodes share an input group, each node's additions would leak into earlier siblings. Assign the clone result back to gpu_options so each node owns its own copy.

Amp-Thread-ID: https://ampcode.com/threads/T-019e43b8-8258-70fd-ab3a-53e4c97f85d5
Co-authored-by: Amp <amp@ampcode.com>
This commit is contained in:
Jedrzej Kosinski 2026-05-20 16:46:23 -07:00
parent ff766e5cfa
commit 50d1dd6273
1 changed files with 2 additions and 1 deletions
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3
comfy_extras/nodes_multigpu.py
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@ -68,7 +68,8 @@ class MultiGPUOptionsNode(io.ComfyNode):
def execute(cls, device_index: int, relative_speed: float, gpu_options: comfy.multigpu.GPUOptionsGroup = None) -> io.NodeOutput:
if not gpu_options:
gpu_options = comfy.multigpu.GPUOptionsGroup()
gpu_options.clone()
else:
gpu_options = gpu_options.clone()
opt = comfy.multigpu.GPUOptions(device_index=device_index, relative_speed=relative_speed)
gpu_options.add(opt)