From 64c594869135354a38353551bd58a93e15bd5b85 Mon Sep 17 00:00:00 2001
From: Volpeon <git@volpeon.ink>
Date: Sun, 2 Oct 2022 20:57:43 +0200
Subject: Small performance improvements

---
 infer.py | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

(limited to 'infer.py')

diff --git a/infer.py b/infer.py
index f2c380f..b15b17f 100644
--- a/infer.py
+++ b/infer.py
@@ -19,6 +19,7 @@ from schedulers.scheduling_euler_a import EulerAScheduler
 default_args = {
     "model": None,
     "scheduler": "euler_a",
+    "precision": "bf16",
     "output_dir": "output/inference",
     "config": None,
 }
@@ -28,7 +29,7 @@ default_cmds = {
     "prompt": None,
     "negative_prompt": None,
     "image": None,
-    "image_strength": .3,
+    "image_noise": .7,
     "width": 512,
     "height": 512,
     "batch_size": 1,
@@ -62,6 +63,11 @@ def create_args_parser():
         type=str,
         choices=["plms", "ddim", "klms", "euler_a"],
     )
+    parser.add_argument(
+        "--precision",
+        type=str,
+        choices=["fp32", "fp16", "bf16"],
+    )
     parser.add_argument(
         "--output_dir",
         type=str,
@@ -91,7 +97,7 @@ def create_cmd_parser():
         type=str,
     )
     parser.add_argument(
-        "--image_strength",
+        "--image_noise",
         type=float,
     )
     parser.add_argument(
@@ -153,7 +159,7 @@ def save_args(basepath, args, extra={}):
         json.dump(info, f, indent=4)
 
 
-def create_pipeline(model, scheduler, dtype=torch.bfloat16):
+def create_pipeline(model, scheduler, dtype):
     print("Loading Stable Diffusion pipeline...")
 
     tokenizer = CLIPTokenizer.from_pretrained(model + '/tokenizer', torch_dtype=dtype)
@@ -225,7 +231,7 @@ def generate(output_dir, pipeline, args):
                 guidance_scale=args.guidance_scale,
                 generator=generator,
                 latents=init_image,
-                strength=args.image_strength,
+                strength=args.image_noise,
             ).images
 
             for j, image in enumerate(images):
@@ -279,9 +285,11 @@ def main():
 
     args_parser = create_args_parser()
     args = run_parser(args_parser, default_args)
+
     output_dir = Path(args.output_dir)
+    dtype = {"fp32": torch.float32, "fp16": torch.float16, "bf16": torch.bfloat16}[args.precision]
 
-    pipeline = create_pipeline(args.model, args.scheduler)
+    pipeline = create_pipeline(args.model, args.scheduler, dtype)
     cmd_parser = create_cmd_parser()
     cmd_prompt = CmdParse(output_dir, pipeline, cmd_parser)
     cmd_prompt.cmdloop()
-- 
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