Spaces:
Running
on
Zero
Running
on
Zero
File size: 4,337 Bytes
5a0778e |
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 |
import unittest
import numpy as np
import torch
from transformers import AutoTokenizer, GemmaConfig, GemmaForCausalLM
from diffusers import (
AutoencoderKL,
FlowMatchEulerDiscreteScheduler,
Lumina2Text2ImgPipeline,
Lumina2Transformer2DModel,
)
from diffusers.utils.testing_utils import torch_device
from ..test_pipelines_common import PipelineTesterMixin
class Lumina2Text2ImgPipelinePipelineFastTests(unittest.TestCase, PipelineTesterMixin):
pipeline_class = Lumina2Text2ImgPipeline
params = frozenset(
[
"prompt",
"height",
"width",
"guidance_scale",
"negative_prompt",
"prompt_embeds",
"negative_prompt_embeds",
]
)
batch_params = frozenset(["prompt", "negative_prompt"])
required_optional_params = frozenset(
[
"num_inference_steps",
"generator",
"latents",
"return_dict",
"callback_on_step_end",
"callback_on_step_end_tensor_inputs",
]
)
supports_dduf = False
test_xformers_attention = False
test_layerwise_casting = True
def get_dummy_components(self):
torch.manual_seed(0)
transformer = Lumina2Transformer2DModel(
sample_size=4,
patch_size=2,
in_channels=4,
hidden_size=8,
num_layers=2,
num_attention_heads=1,
num_kv_heads=1,
multiple_of=16,
ffn_dim_multiplier=None,
norm_eps=1e-5,
scaling_factor=1.0,
axes_dim_rope=[4, 2, 2],
cap_feat_dim=8,
)
torch.manual_seed(0)
vae = AutoencoderKL(
sample_size=32,
in_channels=3,
out_channels=3,
block_out_channels=(4,),
layers_per_block=1,
latent_channels=4,
norm_num_groups=1,
use_quant_conv=False,
use_post_quant_conv=False,
shift_factor=0.0609,
scaling_factor=1.5035,
)
scheduler = FlowMatchEulerDiscreteScheduler()
tokenizer = AutoTokenizer.from_pretrained("hf-internal-testing/dummy-gemma")
torch.manual_seed(0)
config = GemmaConfig(
head_dim=2,
hidden_size=8,
intermediate_size=37,
num_attention_heads=4,
num_hidden_layers=2,
num_key_value_heads=4,
)
text_encoder = GemmaForCausalLM(config)
components = {
"transformer": transformer.eval(),
"vae": vae.eval(),
"scheduler": scheduler,
"text_encoder": text_encoder.eval(),
"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="cpu").manual_seed(seed)
inputs = {
"prompt": "A painting of a squirrel eating a burger",
"generator": generator,
"num_inference_steps": 2,
"guidance_scale": 5.0,
"height": 32,
"width": 32,
"output_type": "np",
}
return inputs
def test_lumina_prompt_embeds(self):
pipe = self.pipeline_class(**self.get_dummy_components()).to(torch_device)
inputs = self.get_dummy_inputs(torch_device)
output_with_prompt = pipe(**inputs).images[0]
inputs = self.get_dummy_inputs(torch_device)
prompt = inputs.pop("prompt")
do_classifier_free_guidance = inputs["guidance_scale"] > 1
(
prompt_embeds,
prompt_attention_mask,
negative_prompt_embeds,
negative_prompt_attention_mask,
) = pipe.encode_prompt(
prompt,
do_classifier_free_guidance=do_classifier_free_guidance,
device=torch_device,
)
output_with_embeds = pipe(
prompt_embeds=prompt_embeds,
prompt_attention_mask=prompt_attention_mask,
**inputs,
).images[0]
max_diff = np.abs(output_with_prompt - output_with_embeds).max()
assert max_diff < 1e-4
|