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72 lines
1.5 KiB
Python
72 lines
1.5 KiB
Python
# Initially pulled from https://github.com/black-forest-labs/flux
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from dataclasses import dataclass
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from typing import Dict, Literal
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from invokeai.backend.flux.model import FluxParams
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from invokeai.backend.flux.modules.autoencoder import AutoEncoderParams
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@dataclass
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class ModelSpec:
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params: FluxParams
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ae_params: AutoEncoderParams
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ckpt_path: str | None
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ae_path: str | None
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repo_id: str | None
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repo_flow: str | None
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repo_ae: str | None
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max_seq_lengths: Dict[str, Literal[256, 512]] = {
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"flux-dev": 512,
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"flux-schnell": 256,
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}
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ae_params = {
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"flux": AutoEncoderParams(
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resolution=256,
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in_channels=3,
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ch=128,
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out_ch=3,
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ch_mult=[1, 2, 4, 4],
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num_res_blocks=2,
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z_channels=16,
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scale_factor=0.3611,
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shift_factor=0.1159,
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)
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}
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params = {
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"flux-dev": FluxParams(
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in_channels=64,
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vec_in_dim=768,
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context_in_dim=4096,
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hidden_size=3072,
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mlp_ratio=4.0,
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num_heads=24,
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depth=19,
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depth_single_blocks=38,
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axes_dim=[16, 56, 56],
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theta=10_000,
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qkv_bias=True,
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guidance_embed=True,
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),
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"flux-schnell": FluxParams(
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in_channels=64,
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vec_in_dim=768,
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context_in_dim=4096,
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hidden_size=3072,
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mlp_ratio=4.0,
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num_heads=24,
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depth=19,
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depth_single_blocks=38,
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axes_dim=[16, 56, 56],
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theta=10_000,
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qkv_bias=True,
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guidance_embed=False,
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),
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}
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