From 0af4127fd14360ebb12c6569d98aebf8047abbfc Mon Sep 17 00:00:00 2001
From: AUTOMATIC1111 <16777216c@gmail.com>
Date: Sun, 30 Jul 2023 19:36:24 +0300
Subject: [PATCH] delete the field that is preventing the model from being
 unloaded and is causing increased RAM usage

---
 modules/processing.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/processing.py b/modules/processing.py
index 0677de81a..b09433b0b 100644
--- a/modules/processing.py
+++ b/modules/processing.py
@@ -1076,11 +1076,15 @@ class StableDiffusionProcessingTxt2Img(StableDiffusionProcessing):
         current = shared.sd_model.sd_checkpoint_info
         try:
             if self.hr_checkpoint_info is not None:
+                del self.sampler
                 sd_models.reload_model_weights(info=self.hr_checkpoint_info)
+                devices.torch_gc()
 
             return self.sample_hr_pass(samples, decoded_samples, seeds, subseeds, subseed_strength, prompts)
         finally:
+            del self.sampler
             sd_models.reload_model_weights(info=current)
+            devices.torch_gc()
 
     def sample_hr_pass(self, samples, decoded_samples, seeds, subseeds, subseed_strength, prompts):
         self.is_hr_pass = True