Memory is not release after each generation

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Custom Node Testing

• [ ] I have tried disabling custom nodes and the issue persists (see how to disable custom nodes if you need help)

Expected Behavior

The memory should be deposed after each iteration.

Actual Behavior

The memory doesn't get dispose.

Steps to Reproduce

I used normal workflow from comfyui website

Debug Logs

The process is killed.

Other

No response