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| # Deterministic(๊ฒฐ์ ์ ) ์์ฑ์ ํตํ ์ด๋ฏธ์ง ํ์ง ๊ฐ์ | |
| ์์ฑ๋ ์ด๋ฏธ์ง์ ํ์ง์ ๊ฐ์ ํ๋ ์ผ๋ฐ์ ์ธ ๋ฐฉ๋ฒ์ *๊ฒฐ์ ์ batch(๋ฐฐ์น) ์์ฑ*์ ์ฌ์ฉํ๋ ๊ฒ์ ๋๋ค. ์ด ๋ฐฉ๋ฒ์ ์ด๋ฏธ์ง batch(๋ฐฐ์น)๋ฅผ ์์ฑํ๊ณ ๋ ๋ฒ์งธ ์ถ๋ก ๋ผ์ด๋์์ ๋ ์์ธํ ํ๋กฌํํธ์ ํจ๊ป ๊ฐ์ ํ ์ด๋ฏธ์ง ํ๋๋ฅผ ์ ํํ๋ ๊ฒ์ ๋๋ค. ํต์ฌ์ ์ผ๊ด ์ด๋ฏธ์ง ์์ฑ์ ์ํด ํ์ดํ๋ผ์ธ์ [`torch.Generator`](https://pytorch.org/docs/stable/generated/torch.Generator.html#generator) ๋ชฉ๋ก์ ์ ๋ฌํ๊ณ , ๊ฐ `Generator`๋ฅผ ์๋์ ์ฐ๊ฒฐํ์ฌ ์ด๋ฏธ์ง์ ์ฌ์ฌ์ฉํ ์ ์๋๋ก ํ๋ ๊ฒ์ ๋๋ค. | |
| ์๋ฅผ ๋ค์ด [`runwayml/stable-diffusion-v1-5`](runwayml/stable-diffusion-v1-5)๋ฅผ ์ฌ์ฉํ์ฌ ๋ค์ ํ๋กฌํํธ์ ์ฌ๋ฌ ๋ฒ์ ์ ์์ฑํด ๋ด ์๋ค. | |
| ```py | |
| prompt = "Labrador in the style of Vermeer" | |
| ``` | |
| (๊ฐ๋ฅํ๋ค๋ฉด) ํ์ดํ๋ผ์ธ์ [`DiffusionPipeline.from_pretrained`]๋ก ์ธ์คํด์คํํ์ฌ GPU์ ๋ฐฐ์นํฉ๋๋ค. | |
| ```python | |
| >>> from diffusers import DiffusionPipeline | |
| >>> pipe = DiffusionPipeline.from_pretrained("runwayml/stable-diffusion-v1-5", torch_dtype=torch.float16) | |
| >>> pipe = pipe.to("cuda") | |
| ``` | |
| ์ด์ ๋ค ๊ฐ์ ์๋ก ๋ค๋ฅธ `Generator`๋ฅผ ์ ์ํ๊ณ ๊ฐ `Generator`์ ์๋(`0` ~ `3`)๋ฅผ ํ ๋นํ์ฌ ๋์ค์ ํน์ ์ด๋ฏธ์ง์ ๋ํด `Generator`๋ฅผ ์ฌ์ฌ์ฉํ ์ ์๋๋ก ํฉ๋๋ค. | |
| ```python | |
| >>> import torch | |
| >>> generator = [torch.Generator(device="cuda").manual_seed(i) for i in range(4)] | |
| ``` | |
| ์ด๋ฏธ์ง๋ฅผ ์์ฑํ๊ณ ์ดํด๋ด ๋๋ค. | |
| ```python | |
| >>> images = pipe(prompt, generator=generator, num_images_per_prompt=4).images | |
| >>> images | |
| ``` | |
|  | |
| ์ด ์์ ์์๋ ์ฒซ ๋ฒ์งธ ์ด๋ฏธ์ง๋ฅผ ๊ฐ์ ํ์ง๋ง ์ค์ ๋ก๋ ์ํ๋ ๋ชจ๋ ์ด๋ฏธ์ง๋ฅผ ์ฌ์ฉํ ์ ์์ต๋๋ค(์ฌ์ง์ด ๋ ๊ฐ์ ๋์ด ์๋ ์ด๋ฏธ์ง๋!). ์ฒซ ๋ฒ์งธ ์ด๋ฏธ์ง์์๋ ์๋๊ฐ '0'์ธ '์์ฑ๊ธฐ'๋ฅผ ์ฌ์ฉํ๊ธฐ ๋๋ฌธ์ ๋ ๋ฒ์งธ ์ถ๋ก ๋ผ์ด๋์์๋ ์ด '์์ฑ๊ธฐ'๋ฅผ ์ฌ์ฌ์ฉํ ๊ฒ์ ๋๋ค. ์ด๋ฏธ์ง์ ํ์ง์ ๊ฐ์ ํ๋ ค๋ฉด ํ๋กฌํํธ์ ๋ช ๊ฐ์ง ํ ์คํธ๋ฅผ ์ถ๊ฐํฉ๋๋ค: | |
| ```python | |
| prompt = [prompt + t for t in [", highly realistic", ", artsy", ", trending", ", colorful"]] | |
| generator = [torch.Generator(device="cuda").manual_seed(0) for i in range(4)] | |
| ``` | |
| ์๋๊ฐ `0`์ธ ์ ๋๋ ์ดํฐ 4๊ฐ๋ฅผ ์์ฑํ๊ณ , ์ด์ ๋ผ์ด๋์ ์ฒซ ๋ฒ์งธ ์ด๋ฏธ์ง์ฒ๋ผ ๋ณด์ด๋ ๋ค๋ฅธ ์ด๋ฏธ์ง batch(๋ฐฐ์น)๋ฅผ ์์ฑํฉ๋๋ค! | |
| ```python | |
| >>> images = pipe(prompt, generator=generator).images | |
| >>> images | |
| ``` | |
|  | |