File size: 8,152 Bytes
43b7e92
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
# coding=utf-8
# Copyright 2024 HuggingFace Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


import unittest

import numpy as np
import torch
from transformers import CLIPTextConfig, CLIPTextModelWithProjection, CLIPTokenizer

from diffusers import AmusedImg2ImgPipeline, AmusedScheduler, UVit2DModel, VQModel
from diffusers.utils import load_image
from diffusers.utils.testing_utils import enable_full_determinism, require_torch_gpu, slow, torch_device

from ..pipeline_params import TEXT_GUIDED_IMAGE_VARIATION_BATCH_PARAMS, TEXT_GUIDED_IMAGE_VARIATION_PARAMS
from ..test_pipelines_common import PipelineTesterMixin


enable_full_determinism()


class AmusedImg2ImgPipelineFastTests(PipelineTesterMixin, unittest.TestCase):
    pipeline_class = AmusedImg2ImgPipeline
    params = TEXT_GUIDED_IMAGE_VARIATION_PARAMS - {"height", "width", "latents"}
    batch_params = TEXT_GUIDED_IMAGE_VARIATION_BATCH_PARAMS
    required_optional_params = PipelineTesterMixin.required_optional_params - {
        "latents",
    }

    def get_dummy_components(self):
        torch.manual_seed(0)
        transformer = UVit2DModel(
            hidden_size=8,
            use_bias=False,
            hidden_dropout=0.0,
            cond_embed_dim=8,
            micro_cond_encode_dim=2,
            micro_cond_embed_dim=10,
            encoder_hidden_size=8,
            vocab_size=32,
            codebook_size=8,
            in_channels=8,
            block_out_channels=8,
            num_res_blocks=1,
            downsample=True,
            upsample=True,
            block_num_heads=1,
            num_hidden_layers=1,
            num_attention_heads=1,
            attention_dropout=0.0,
            intermediate_size=8,
            layer_norm_eps=1e-06,
            ln_elementwise_affine=True,
        )
        scheduler = AmusedScheduler(mask_token_id=31)
        torch.manual_seed(0)
        vqvae = VQModel(
            act_fn="silu",
            block_out_channels=[8],
            down_block_types=[
                "DownEncoderBlock2D",
            ],
            in_channels=3,
            latent_channels=8,
            layers_per_block=1,
            norm_num_groups=8,
            num_vq_embeddings=32,  # reducing this to 16 or 8 -> RuntimeError: "cdist_cuda" not implemented for 'Half'
            out_channels=3,
            sample_size=8,
            up_block_types=[
                "UpDecoderBlock2D",
            ],
            mid_block_add_attention=False,
            lookup_from_codebook=True,
        )
        torch.manual_seed(0)
        text_encoder_config = CLIPTextConfig(
            bos_token_id=0,
            eos_token_id=2,
            hidden_size=8,
            intermediate_size=8,
            layer_norm_eps=1e-05,
            num_attention_heads=1,
            num_hidden_layers=1,
            pad_token_id=1,
            vocab_size=1000,
            projection_dim=8,
        )
        text_encoder = CLIPTextModelWithProjection(text_encoder_config)
        tokenizer = CLIPTokenizer.from_pretrained("hf-internal-testing/tiny-random-clip")

        components = {
            "transformer": transformer,
            "scheduler": scheduler,
            "vqvae": vqvae,
            "text_encoder": text_encoder,
            "tokenizer": tokenizer,
        }
        return components

    def get_dummy_inputs(self, device, seed=0):
        if str(device).startswith("mps"):
            generator = torch.manual_seed(seed)
        else:
            generator = torch.Generator(device=device).manual_seed(seed)
        image = torch.full((1, 3, 4, 4), 1.0, dtype=torch.float32, device=device)
        inputs = {
            "prompt": "A painting of a squirrel eating a burger",
            "generator": generator,
            "num_inference_steps": 2,
            "output_type": "np",
            "image": image,
        }
        return inputs

    def test_inference_batch_consistent(self, batch_sizes=[2]):
        self._test_inference_batch_consistent(batch_sizes=batch_sizes, batch_generator=False)

    @unittest.skip("aMUSEd does not support lists of generators")
    def test_inference_batch_single_identical(self):
        ...


@slow
@require_torch_gpu
class AmusedImg2ImgPipelineSlowTests(unittest.TestCase):
    def test_amused_256(self):
        pipe = AmusedImg2ImgPipeline.from_pretrained("amused/amused-256")
        pipe.to(torch_device)

        image = (
            load_image("https://huggingface.co/datasets/diffusers/docs-images/resolve/main/open_muse/mountains.jpg")
            .resize((256, 256))
            .convert("RGB")
        )

        image = pipe(
            "winter mountains",
            image,
            generator=torch.Generator().manual_seed(0),
            num_inference_steps=2,
            output_type="np",
        ).images

        image_slice = image[0, -3:, -3:, -1].flatten()

        assert image.shape == (1, 256, 256, 3)
        expected_slice = np.array([0.9993, 1.0, 0.9996, 1.0, 0.9995, 0.9925, 0.9990, 0.9954, 1.0])

        assert np.abs(image_slice - expected_slice).max() < 1e-2

    def test_amused_256_fp16(self):
        pipe = AmusedImg2ImgPipeline.from_pretrained("amused/amused-256", torch_dtype=torch.float16, variant="fp16")
        pipe.to(torch_device)

        image = (
            load_image("https://huggingface.co/datasets/diffusers/docs-images/resolve/main/open_muse/mountains.jpg")
            .resize((256, 256))
            .convert("RGB")
        )

        image = pipe(
            "winter mountains",
            image,
            generator=torch.Generator().manual_seed(0),
            num_inference_steps=2,
            output_type="np",
        ).images

        image_slice = image[0, -3:, -3:, -1].flatten()

        assert image.shape == (1, 256, 256, 3)
        expected_slice = np.array([0.9980, 0.9980, 0.9940, 0.9944, 0.9960, 0.9908, 1.0, 1.0, 0.9986])

        assert np.abs(image_slice - expected_slice).max() < 1e-2

    def test_amused_512(self):
        pipe = AmusedImg2ImgPipeline.from_pretrained("amused/amused-512")
        pipe.to(torch_device)

        image = (
            load_image("https://huggingface.co/datasets/diffusers/docs-images/resolve/main/open_muse/mountains.jpg")
            .resize((512, 512))
            .convert("RGB")
        )

        image = pipe(
            "winter mountains",
            image,
            generator=torch.Generator().manual_seed(0),
            num_inference_steps=2,
            output_type="np",
        ).images

        image_slice = image[0, -3:, -3:, -1].flatten()

        assert image.shape == (1, 512, 512, 3)
        expected_slice = np.array([0.1344, 0.0985, 0.0, 0.1194, 0.1809, 0.0765, 0.0854, 0.1371, 0.0933])
        assert np.abs(image_slice - expected_slice).max() < 0.1

    def test_amused_512_fp16(self):
        pipe = AmusedImg2ImgPipeline.from_pretrained("amused/amused-512", variant="fp16", torch_dtype=torch.float16)
        pipe.to(torch_device)

        image = (
            load_image("https://huggingface.co/datasets/diffusers/docs-images/resolve/main/open_muse/mountains.jpg")
            .resize((512, 512))
            .convert("RGB")
        )

        image = pipe(
            "winter mountains",
            image,
            generator=torch.Generator().manual_seed(0),
            num_inference_steps=2,
            output_type="np",
        ).images

        image_slice = image[0, -3:, -3:, -1].flatten()

        assert image.shape == (1, 512, 512, 3)
        expected_slice = np.array([0.1536, 0.1767, 0.0227, 0.1079, 0.2400, 0.1427, 0.1511, 0.1564, 0.1542])
        assert np.abs(image_slice - expected_slice).max() < 0.1