Update documents, add new options information

docs/features/CLI.md

@@ -98,6 +98,8 @@ overridden on a per-prompt basis (see [List of prompt arguments]
 | `--gfpgan_dir`                            |                                           | `src/gfpgan`                                   | Path to where GFPGAN is installed.                                                                   |
 | `--gfpgan_model_path`                     |                                           | `experiments/pretrained_models/GFPGANv1.4.pth` | Path to GFPGAN model file, relative to `--gfpgan_dir`.                                               |
 | `--device <device>`                       | `-d<device>`                              | `torch.cuda.current_device()`                  | Device to run SD on, e.g. "cuda:0"                                                                   |
+| `--free_gpu_mem`                          |                                           | `False`                                        | Free GPU memory after sampling, to allow image decoding and saving in low VRAM conditions            |
+| `--precision`                             |                                           | `auto`                                         | Set model precision, default is selected by device. Options: auto, float32, float16, autocast        |
 
 #### deprecated
 

docs/help/TROUBLESHOOT.md

@@ -116,3 +116,13 @@ branch that contains the pull request:
 
 You will need to go through the install procedure again, but it should be fast because all the
 dependencies are already loaded.
+
+---
+
+### **QUESTION**
+
+Image generation crashed with CUDA out of memory error after successful sampling. 
+
+### **SOLUTION**
+
+Try to run script with option `--free_gpu_mem` This will free memory before image decoding step.

docs/other/CONTRIBUTORS.md

@@ -57,6 +57,7 @@ We thank them for all of their time and hard work.
 - [Kyle Schouviller](https://github.com/kyle0654)
 - [rabidcopy](https://github.com/rabidcopy)
 - [Dominic Letz](https://github.com/dominicletz)
+- [Dmitry T.](https://github.com/ArDiouscuros)
 
 ## **Original CompVis Authors:**