Add tests for Stable Diffusion 2 V-prediction 768x768 (#1420)
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@ -34,7 +34,7 @@ from diffusers import (
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)
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from diffusers.utils import load_numpy, slow, torch_device
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from diffusers.utils.testing_utils import CaptureLogger, require_torch_gpu
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from transformers import CLIPFeatureExtractor, CLIPTextConfig, CLIPTextModel, CLIPTokenizer
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from transformers import CLIPTextConfig, CLIPTextModel, CLIPTokenizer
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from ...test_pipelines_common import PipelineTesterMixin
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@ -100,21 +100,6 @@ class StableDiffusion2PipelineFastTests(PipelineTesterMixin, unittest.TestCase):
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)
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return CLIPTextModel(config)
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@property
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def dummy_extractor(self):
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def extract(*args, **kwargs):
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class Out:
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def __init__(self):
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self.pixel_values = torch.ones([0])
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def to(self, device):
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self.pixel_values.to(device)
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return self
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return Out()
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return extract
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def test_save_pretrained_from_pretrained(self):
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device = "cpu" # ensure determinism for the device-dependent torch.Generator
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unet = self.dummy_cond_unet
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@ -129,7 +114,6 @@ class StableDiffusion2PipelineFastTests(PipelineTesterMixin, unittest.TestCase):
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vae = self.dummy_vae
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bert = self.dummy_text_encoder
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tokenizer = CLIPTokenizer.from_pretrained("hf-internal-testing/tiny-random-clip")
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feature_extractor = CLIPFeatureExtractor.from_pretrained("hf-internal-testing/tiny-random-clip")
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# make sure here that pndm scheduler skips prk
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sd_pipe = StableDiffusionPipeline(
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@ -139,7 +123,8 @@ class StableDiffusion2PipelineFastTests(PipelineTesterMixin, unittest.TestCase):
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text_encoder=bert,
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tokenizer=tokenizer,
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safety_checker=None,
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feature_extractor=feature_extractor,
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feature_extractor=None,
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requires_safety_checker=False,
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)
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sd_pipe = sd_pipe.to(device)
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sd_pipe.set_progress_bar_config(disable=None)
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@ -185,7 +170,8 @@ class StableDiffusion2PipelineFastTests(PipelineTesterMixin, unittest.TestCase):
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text_encoder=bert,
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tokenizer=tokenizer,
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safety_checker=None,
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feature_extractor=self.dummy_extractor,
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feature_extractor=None,
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requires_safety_checker=False,
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)
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sd_pipe = sd_pipe.to(device)
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sd_pipe.set_progress_bar_config(disable=None)
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@ -231,7 +217,8 @@ class StableDiffusion2PipelineFastTests(PipelineTesterMixin, unittest.TestCase):
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text_encoder=bert,
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tokenizer=tokenizer,
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safety_checker=None,
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feature_extractor=self.dummy_extractor,
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feature_extractor=None,
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requires_safety_checker=False,
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)
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sd_pipe = sd_pipe.to(device)
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sd_pipe.set_progress_bar_config(disable=None)
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@ -276,7 +263,8 @@ class StableDiffusion2PipelineFastTests(PipelineTesterMixin, unittest.TestCase):
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text_encoder=bert,
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tokenizer=tokenizer,
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safety_checker=None,
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feature_extractor=self.dummy_extractor,
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feature_extractor=None,
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requires_safety_checker=False,
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)
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sd_pipe = sd_pipe.to(device)
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sd_pipe.set_progress_bar_config(disable=None)
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@ -321,7 +309,8 @@ class StableDiffusion2PipelineFastTests(PipelineTesterMixin, unittest.TestCase):
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text_encoder=bert,
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tokenizer=tokenizer,
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safety_checker=None,
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feature_extractor=self.dummy_extractor,
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feature_extractor=None,
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requires_safety_checker=False,
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)
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sd_pipe = sd_pipe.to(device)
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sd_pipe.set_progress_bar_config(disable=None)
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@ -366,7 +355,8 @@ class StableDiffusion2PipelineFastTests(PipelineTesterMixin, unittest.TestCase):
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text_encoder=bert,
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tokenizer=tokenizer,
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safety_checker=None,
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feature_extractor=self.dummy_extractor,
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feature_extractor=None,
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requires_safety_checker=False,
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)
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sd_pipe = sd_pipe.to(device)
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sd_pipe.set_progress_bar_config(disable=None)
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@ -411,7 +401,8 @@ class StableDiffusion2PipelineFastTests(PipelineTesterMixin, unittest.TestCase):
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text_encoder=bert,
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tokenizer=tokenizer,
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safety_checker=None,
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feature_extractor=self.dummy_extractor,
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feature_extractor=None,
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requires_safety_checker=False,
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)
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sd_pipe = sd_pipe.to(device)
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sd_pipe.set_progress_bar_config(disable=None)
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@ -449,7 +440,8 @@ class StableDiffusion2PipelineFastTests(PipelineTesterMixin, unittest.TestCase):
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text_encoder=bert,
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tokenizer=tokenizer,
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safety_checker=None,
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feature_extractor=self.dummy_extractor,
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feature_extractor=None,
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requires_safety_checker=False,
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)
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sd_pipe = sd_pipe.to(torch_device)
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sd_pipe.set_progress_bar_config(disable=None)
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@ -475,7 +467,8 @@ class StableDiffusion2PipelineFastTests(PipelineTesterMixin, unittest.TestCase):
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text_encoder=bert,
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tokenizer=tokenizer,
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safety_checker=None,
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feature_extractor=self.dummy_extractor,
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feature_extractor=None,
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requires_safety_checker=False,
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)
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sd_pipe = sd_pipe.to(torch_device)
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sd_pipe.set_progress_bar_config(disable=None)
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@ -572,7 +565,7 @@ class StableDiffusion2PipelineIntegrationTests(unittest.TestCase):
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expected_slice = np.array([0.0548, 0.0626, 0.0612, 0.0611, 0.0706, 0.0586, 0.0843, 0.0333, 0.1197])
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assert np.abs(image_slice.flatten() - expected_slice).max() < 1e-2
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def test_stable_diffusion_memory_chunking(self):
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def test_stable_diffusion_attention_slicing(self):
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torch.cuda.reset_peak_memory_stats()
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model_id = "stabilityai/stable-diffusion-2-base"
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pipe = StableDiffusionPipeline.from_pretrained(model_id, revision="fp16", torch_dtype=torch.float16)
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@ -651,7 +644,7 @@ class StableDiffusion2PipelineIntegrationTests(unittest.TestCase):
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prompt = "astronaut riding a horse"
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generator = torch.Generator(device=torch_device).manual_seed(0)
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output = pipe(prompt=prompt, strength=0.75, guidance_scale=7.5, generator=generator, output_type="np")
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output = pipe(prompt=prompt, guidance_scale=7.5, generator=generator, output_type="np")
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image = output.images[0]
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assert image.shape == (512, 512, 3)
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@ -0,0 +1,474 @@
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# coding=utf-8
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# Copyright 2022 HuggingFace Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import gc
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import time
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import unittest
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import numpy as np
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import torch
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from diffusers import (
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AutoencoderKL,
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DDIMScheduler,
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DPMSolverMultistepScheduler,
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EulerDiscreteScheduler,
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StableDiffusionPipeline,
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UNet2DConditionModel,
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)
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from diffusers.utils import load_numpy, slow, torch_device
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from diffusers.utils.testing_utils import require_torch_gpu
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from transformers import CLIPTextConfig, CLIPTextModel, CLIPTokenizer
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from ...test_pipelines_common import PipelineTesterMixin
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torch.backends.cuda.matmul.allow_tf32 = False
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class StableDiffusion2VPredictionPipelineFastTests(PipelineTesterMixin, unittest.TestCase):
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def tearDown(self):
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# clean up the VRAM after each test
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super().tearDown()
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gc.collect()
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torch.cuda.empty_cache()
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@property
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def dummy_cond_unet(self):
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torch.manual_seed(0)
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model = UNet2DConditionModel(
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block_out_channels=(32, 64),
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layers_per_block=2,
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sample_size=32,
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in_channels=4,
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out_channels=4,
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down_block_types=("DownBlock2D", "CrossAttnDownBlock2D"),
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up_block_types=("CrossAttnUpBlock2D", "UpBlock2D"),
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cross_attention_dim=32,
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# SD2-specific config below
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attention_head_dim=(2, 4, 8, 8),
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use_linear_projection=True,
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)
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return model
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@property
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def dummy_vae(self):
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torch.manual_seed(0)
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model = AutoencoderKL(
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block_out_channels=[32, 64],
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in_channels=3,
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out_channels=3,
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down_block_types=["DownEncoderBlock2D", "DownEncoderBlock2D"],
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up_block_types=["UpDecoderBlock2D", "UpDecoderBlock2D"],
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latent_channels=4,
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sample_size=128,
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)
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return model
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@property
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def dummy_text_encoder(self):
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torch.manual_seed(0)
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config = CLIPTextConfig(
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bos_token_id=0,
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eos_token_id=2,
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hidden_size=32,
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intermediate_size=37,
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layer_norm_eps=1e-05,
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num_attention_heads=4,
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num_hidden_layers=5,
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pad_token_id=1,
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vocab_size=1000,
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# SD2-specific config below
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hidden_act="gelu",
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projection_dim=64,
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)
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return CLIPTextModel(config)
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def test_stable_diffusion_v_pred_ddim(self):
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device = "cpu" # ensure determinism for the device-dependent torch.Generator
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unet = self.dummy_cond_unet
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scheduler = DDIMScheduler(
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beta_start=0.00085,
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beta_end=0.012,
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beta_schedule="scaled_linear",
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clip_sample=False,
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set_alpha_to_one=False,
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prediction_type="v_prediction",
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)
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vae = self.dummy_vae
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bert = self.dummy_text_encoder
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tokenizer = CLIPTokenizer.from_pretrained("hf-internal-testing/tiny-random-clip")
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# make sure here that pndm scheduler skips prk
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sd_pipe = StableDiffusionPipeline(
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unet=unet,
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scheduler=scheduler,
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vae=vae,
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text_encoder=bert,
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tokenizer=tokenizer,
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safety_checker=None,
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feature_extractor=None,
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requires_safety_checker=False,
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)
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sd_pipe = sd_pipe.to(device)
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sd_pipe.set_progress_bar_config(disable=None)
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prompt = "A painting of a squirrel eating a burger"
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generator = torch.Generator(device=device).manual_seed(0)
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output = sd_pipe([prompt], generator=generator, guidance_scale=6.0, num_inference_steps=2, output_type="np")
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image = output.images
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generator = torch.Generator(device=device).manual_seed(0)
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image_from_tuple = sd_pipe(
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[prompt],
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generator=generator,
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guidance_scale=6.0,
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num_inference_steps=2,
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output_type="np",
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return_dict=False,
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)[0]
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image_slice = image[0, -3:, -3:, -1]
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image_from_tuple_slice = image_from_tuple[0, -3:, -3:, -1]
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assert image.shape == (1, 64, 64, 3)
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expected_slice = np.array([0.6424, 0.6109, 0.494, 0.5088, 0.4984, 0.4525, 0.5059, 0.5068, 0.4474])
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assert np.abs(image_slice.flatten() - expected_slice).max() < 1e-2
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assert np.abs(image_from_tuple_slice.flatten() - expected_slice).max() < 1e-2
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def test_stable_diffusion_v_pred_k_euler(self):
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device = "cpu" # ensure determinism for the device-dependent torch.Generator
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unet = self.dummy_cond_unet
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scheduler = EulerDiscreteScheduler(
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beta_start=0.00085, beta_end=0.012, beta_schedule="scaled_linear", prediction_type="v_prediction"
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)
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vae = self.dummy_vae
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bert = self.dummy_text_encoder
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tokenizer = CLIPTokenizer.from_pretrained("hf-internal-testing/tiny-random-clip")
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# make sure here that pndm scheduler skips prk
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sd_pipe = StableDiffusionPipeline(
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unet=unet,
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scheduler=scheduler,
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vae=vae,
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text_encoder=bert,
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tokenizer=tokenizer,
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safety_checker=None,
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feature_extractor=None,
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requires_safety_checker=False,
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)
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sd_pipe = sd_pipe.to(device)
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sd_pipe.set_progress_bar_config(disable=None)
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prompt = "A painting of a squirrel eating a burger"
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generator = torch.Generator(device=device).manual_seed(0)
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output = sd_pipe([prompt], generator=generator, guidance_scale=6.0, num_inference_steps=2, output_type="np")
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image = output.images
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generator = torch.Generator(device=device).manual_seed(0)
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image_from_tuple = sd_pipe(
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[prompt],
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generator=generator,
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guidance_scale=6.0,
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num_inference_steps=2,
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output_type="np",
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return_dict=False,
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)[0]
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image_slice = image[0, -3:, -3:, -1]
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image_from_tuple_slice = image_from_tuple[0, -3:, -3:, -1]
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assert image.shape == (1, 64, 64, 3)
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expected_slice = np.array([0.4616, 0.5184, 0.4887, 0.5111, 0.4839, 0.48, 0.5119, 0.5263, 0.4776])
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assert np.abs(image_slice.flatten() - expected_slice).max() < 1e-2
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assert np.abs(image_from_tuple_slice.flatten() - expected_slice).max() < 1e-2
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@unittest.skipIf(torch_device != "cuda", "This test requires a GPU")
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def test_stable_diffusion_v_pred_fp16(self):
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"""Test that stable diffusion v-prediction works with fp16"""
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unet = self.dummy_cond_unet
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scheduler = DDIMScheduler(
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beta_start=0.00085,
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beta_end=0.012,
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beta_schedule="scaled_linear",
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clip_sample=False,
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set_alpha_to_one=False,
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prediction_type="v_prediction",
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)
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vae = self.dummy_vae
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bert = self.dummy_text_encoder
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tokenizer = CLIPTokenizer.from_pretrained("hf-internal-testing/tiny-random-clip")
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# put models in fp16
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unet = unet.half()
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vae = vae.half()
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bert = bert.half()
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# make sure here that pndm scheduler skips prk
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sd_pipe = StableDiffusionPipeline(
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unet=unet,
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scheduler=scheduler,
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vae=vae,
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text_encoder=bert,
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tokenizer=tokenizer,
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safety_checker=None,
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feature_extractor=None,
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requires_safety_checker=False,
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)
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sd_pipe = sd_pipe.to(torch_device)
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sd_pipe.set_progress_bar_config(disable=None)
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prompt = "A painting of a squirrel eating a burger"
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generator = torch.Generator(device=torch_device).manual_seed(0)
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image = sd_pipe([prompt], generator=generator, num_inference_steps=2, output_type="np").images
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assert image.shape == (1, 64, 64, 3)
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@slow
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@require_torch_gpu
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class StableDiffusion2VPredictionPipelineIntegrationTests(unittest.TestCase):
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def tearDown(self):
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# clean up the VRAM after each test
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super().tearDown()
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gc.collect()
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torch.cuda.empty_cache()
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def test_stable_diffusion_v_pred_default(self):
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sd_pipe = StableDiffusionPipeline.from_pretrained("stabilityai/stable-diffusion-2")
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sd_pipe = sd_pipe.to(torch_device)
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sd_pipe.enable_attention_slicing()
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sd_pipe.set_progress_bar_config(disable=None)
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prompt = "A painting of a squirrel eating a burger"
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generator = torch.Generator(device=torch_device).manual_seed(0)
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output = sd_pipe([prompt], generator=generator, guidance_scale=7.5, num_inference_steps=20, output_type="np")
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image = output.images
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image_slice = image[0, 253:256, 253:256, -1]
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assert image.shape == (1, 768, 768, 3)
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expected_slice = np.array([0.0567, 0.057, 0.0416, 0.0463, 0.0433, 0.06, 0.0517, 0.0526, 0.0866])
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assert np.abs(image_slice.flatten() - expected_slice).max() < 1e-2
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def test_stable_diffusion_v_pred_euler(self):
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scheduler = EulerDiscreteScheduler.from_pretrained("stabilityai/stable-diffusion-2", subfolder="scheduler")
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sd_pipe = StableDiffusionPipeline.from_pretrained("stabilityai/stable-diffusion-2", scheduler=scheduler)
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sd_pipe = sd_pipe.to(torch_device)
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sd_pipe.enable_attention_slicing()
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sd_pipe.set_progress_bar_config(disable=None)
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prompt = "A painting of a squirrel eating a burger"
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generator = torch.Generator(device=torch_device).manual_seed(0)
|
||||
|
||||
output = sd_pipe([prompt], generator=generator, num_inference_steps=5, output_type="numpy")
|
||||
image = output.images
|
||||
|
||||
image_slice = image[0, 253:256, 253:256, -1]
|
||||
|
||||
assert image.shape == (1, 768, 768, 3)
|
||||
expected_slice = np.array([0.0351, 0.0376, 0.0505, 0.0424, 0.0551, 0.0656, 0.0471, 0.0276, 0.0596])
|
||||
assert np.abs(image_slice.flatten() - expected_slice).max() < 1e-2
|
||||
|
||||
def test_stable_diffusion_v_pred_dpm(self):
|
||||
"""
|
||||
TODO: update this test after making DPM compatible with V-prediction!
|
||||
"""
|
||||
scheduler = DPMSolverMultistepScheduler.from_pretrained(
|
||||
"stabilityai/stable-diffusion-2", subfolder="scheduler"
|
||||
)
|
||||
sd_pipe = StableDiffusionPipeline.from_pretrained("stabilityai/stable-diffusion-2", scheduler=scheduler)
|
||||
sd_pipe = sd_pipe.to(torch_device)
|
||||
sd_pipe.enable_attention_slicing()
|
||||
sd_pipe.set_progress_bar_config(disable=None)
|
||||
|
||||
prompt = "a photograph of an astronaut riding a horse"
|
||||
generator = torch.Generator(device=torch_device).manual_seed(0)
|
||||
image = sd_pipe(
|
||||
[prompt], generator=generator, guidance_scale=7.5, num_inference_steps=5, output_type="numpy"
|
||||
).images
|
||||
|
||||
image_slice = image[0, 253:256, 253:256, -1]
|
||||
assert image.shape == (1, 768, 768, 3)
|
||||
expected_slice = np.array([0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0])
|
||||
assert np.abs(image_slice.flatten() - expected_slice).max() < 1e-2
|
||||
|
||||
def test_stable_diffusion_attention_slicing_v_pred(self):
|
||||
torch.cuda.reset_peak_memory_stats()
|
||||
model_id = "stabilityai/stable-diffusion-2"
|
||||
pipe = StableDiffusionPipeline.from_pretrained(model_id, revision="fp16", torch_dtype=torch.float16)
|
||||
pipe.to(torch_device)
|
||||
pipe.set_progress_bar_config(disable=None)
|
||||
|
||||
prompt = "a photograph of an astronaut riding a horse"
|
||||
|
||||
# make attention efficient
|
||||
pipe.enable_attention_slicing()
|
||||
generator = torch.Generator(device=torch_device).manual_seed(0)
|
||||
with torch.autocast(torch_device):
|
||||
output_chunked = pipe(
|
||||
[prompt], generator=generator, guidance_scale=7.5, num_inference_steps=10, output_type="numpy"
|
||||
)
|
||||
image_chunked = output_chunked.images
|
||||
|
||||
mem_bytes = torch.cuda.max_memory_allocated()
|
||||
torch.cuda.reset_peak_memory_stats()
|
||||
# make sure that less than 5.5 GB is allocated
|
||||
assert mem_bytes < 5.5 * 10**9
|
||||
|
||||
# disable slicing
|
||||
pipe.disable_attention_slicing()
|
||||
generator = torch.Generator(device=torch_device).manual_seed(0)
|
||||
with torch.autocast(torch_device):
|
||||
output = pipe(
|
||||
[prompt], generator=generator, guidance_scale=7.5, num_inference_steps=10, output_type="numpy"
|
||||
)
|
||||
image = output.images
|
||||
|
||||
# make sure that more than 5.5 GB is allocated
|
||||
mem_bytes = torch.cuda.max_memory_allocated()
|
||||
assert mem_bytes > 5.5 * 10**9
|
||||
assert np.abs(image_chunked.flatten() - image.flatten()).max() < 1e-3
|
||||
|
||||
def test_stable_diffusion_text2img_pipeline_v_pred_default(self):
|
||||
expected_image = load_numpy(
|
||||
"https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main/"
|
||||
"sd2-text2img/astronaut_riding_a_horse_v_pred.npy"
|
||||
)
|
||||
|
||||
pipe = StableDiffusionPipeline.from_pretrained("stabilityai/stable-diffusion-2")
|
||||
pipe.to(torch_device)
|
||||
pipe.enable_attention_slicing()
|
||||
pipe.set_progress_bar_config(disable=None)
|
||||
|
||||
prompt = "astronaut riding a horse"
|
||||
|
||||
generator = torch.Generator(device=torch_device).manual_seed(0)
|
||||
output = pipe(prompt=prompt, guidance_scale=7.5, generator=generator, output_type="np")
|
||||
image = output.images[0]
|
||||
|
||||
assert image.shape == (768, 768, 3)
|
||||
assert np.abs(expected_image - image).max() < 5e-3
|
||||
|
||||
def test_stable_diffusion_text2img_pipeline_v_pred_fp16(self):
|
||||
expected_image = load_numpy(
|
||||
"https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main/"
|
||||
"sd2-text2img/astronaut_riding_a_horse_v_pred_fp16.npy"
|
||||
)
|
||||
|
||||
pipe = StableDiffusionPipeline.from_pretrained(
|
||||
"stabilityai/stable-diffusion-2", revision="fp16", torch_dtype=torch.float16
|
||||
)
|
||||
pipe.to(torch_device)
|
||||
pipe.set_progress_bar_config(disable=None)
|
||||
|
||||
prompt = "astronaut riding a horse"
|
||||
|
||||
generator = torch.Generator(device=torch_device).manual_seed(0)
|
||||
output = pipe(prompt=prompt, guidance_scale=7.5, generator=generator, output_type="np")
|
||||
image = output.images[0]
|
||||
|
||||
assert image.shape == (768, 768, 3)
|
||||
assert np.abs(expected_image - image).max() < 5e-3
|
||||
|
||||
def test_stable_diffusion_text2img_intermediate_state_v_pred(self):
|
||||
number_of_steps = 0
|
||||
|
||||
def test_callback_fn(step: int, timestep: int, latents: torch.FloatTensor) -> None:
|
||||
test_callback_fn.has_been_called = True
|
||||
nonlocal number_of_steps
|
||||
number_of_steps += 1
|
||||
if step == 0:
|
||||
latents = latents.detach().cpu().numpy()
|
||||
assert latents.shape == (1, 4, 96, 96)
|
||||
latents_slice = latents[0, -3:, -3:, -1]
|
||||
expected_slice = np.array(
|
||||
[-0.2543, -1.2755, 0.4261, -0.9555, -1.173, -0.5892, 2.4159, 0.1554, -1.2098]
|
||||
)
|
||||
assert np.abs(latents_slice.flatten() - expected_slice).max() < 5e-3
|
||||
elif step == 19:
|
||||
latents = latents.detach().cpu().numpy()
|
||||
assert latents.shape == (1, 4, 96, 96)
|
||||
latents_slice = latents[0, -3:, -3:, -1]
|
||||
expected_slice = np.array(
|
||||
[-0.9572, -0.967, -0.6152, 0.0894, -0.699, -0.2344, 1.5465, -0.0357, -0.1141]
|
||||
)
|
||||
assert np.abs(latents_slice.flatten() - expected_slice).max() < 1e-2
|
||||
|
||||
test_callback_fn.has_been_called = False
|
||||
|
||||
pipe = StableDiffusionPipeline.from_pretrained(
|
||||
"stabilityai/stable-diffusion-2", revision="fp16", torch_dtype=torch.float16
|
||||
)
|
||||
pipe = pipe.to(torch_device)
|
||||
pipe.set_progress_bar_config(disable=None)
|
||||
pipe.enable_attention_slicing()
|
||||
|
||||
prompt = "Andromeda galaxy in a bottle"
|
||||
|
||||
generator = torch.Generator(device=torch_device).manual_seed(0)
|
||||
with torch.autocast(torch_device):
|
||||
pipe(
|
||||
prompt=prompt,
|
||||
num_inference_steps=20,
|
||||
guidance_scale=7.5,
|
||||
generator=generator,
|
||||
callback=test_callback_fn,
|
||||
callback_steps=1,
|
||||
)
|
||||
assert test_callback_fn.has_been_called
|
||||
assert number_of_steps == 20
|
||||
|
||||
def test_stable_diffusion_low_cpu_mem_usage_v_pred(self):
|
||||
pipeline_id = "stabilityai/stable-diffusion-2"
|
||||
|
||||
start_time = time.time()
|
||||
pipeline_low_cpu_mem_usage = StableDiffusionPipeline.from_pretrained(
|
||||
pipeline_id, revision="fp16", torch_dtype=torch.float16
|
||||
)
|
||||
pipeline_low_cpu_mem_usage.to(torch_device)
|
||||
low_cpu_mem_usage_time = time.time() - start_time
|
||||
|
||||
start_time = time.time()
|
||||
_ = StableDiffusionPipeline.from_pretrained(
|
||||
pipeline_id, revision="fp16", torch_dtype=torch.float16, low_cpu_mem_usage=False
|
||||
)
|
||||
normal_load_time = time.time() - start_time
|
||||
|
||||
assert 2 * low_cpu_mem_usage_time < normal_load_time
|
||||
|
||||
def test_stable_diffusion_pipeline_with_sequential_cpu_offloading_v_pred(self):
|
||||
torch.cuda.empty_cache()
|
||||
torch.cuda.reset_max_memory_allocated()
|
||||
torch.cuda.reset_peak_memory_stats()
|
||||
|
||||
pipeline_id = "stabilityai/stable-diffusion-2"
|
||||
prompt = "Andromeda galaxy in a bottle"
|
||||
|
||||
pipeline = StableDiffusionPipeline.from_pretrained(pipeline_id, revision="fp16", torch_dtype=torch.float16)
|
||||
pipeline = pipeline.to(torch_device)
|
||||
pipeline.enable_attention_slicing(1)
|
||||
pipeline.enable_sequential_cpu_offload()
|
||||
|
||||
generator = torch.Generator(device=torch_device).manual_seed(0)
|
||||
_ = pipeline(prompt, generator=generator, num_inference_steps=5)
|
||||
|
||||
mem_bytes = torch.cuda.max_memory_allocated()
|
||||
# make sure that less than 2.8 GB is allocated
|
||||
assert mem_bytes < 2.8 * 10**9
|
Loading…
Reference in New Issue