Convert formatting to use ruff instead of yapf + isort (#26247)
Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>
This commit is contained in:
@@ -32,6 +32,7 @@ related helpers for sincos positional embeddings.
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Example models: Qwen (Qwen-VL), MiniCPM-V 2.0
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"""
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import math
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from functools import partial
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from typing import Callable, Optional, Union
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@@ -47,8 +48,9 @@ from vllm.model_executor.layers.quantization import QuantizationConfig
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DEFAULT_LN = partial(nn.LayerNorm, eps=1e-6)
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def get_abs_pos(abs_pos: torch.Tensor, tgt_size: Union[torch.Tensor,
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int]) -> torch.Tensor:
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def get_abs_pos(
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abs_pos: torch.Tensor, tgt_size: Union[torch.Tensor, int]
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) -> torch.Tensor:
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# abs_pos: L, C
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# tgt_size: (H, W)
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# return: M, C
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@@ -56,21 +58,26 @@ def get_abs_pos(abs_pos: torch.Tensor, tgt_size: Union[torch.Tensor,
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dtype = abs_pos.dtype
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if isinstance(tgt_size, int):
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tgt_size = (tgt_size, tgt_size)
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if (src_size == tgt_size[0] and src_size == tgt_size[1]):
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if src_size == tgt_size[0] and src_size == tgt_size[1]:
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return abs_pos
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return (F.interpolate(
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abs_pos.float().reshape(1, src_size, src_size, -1).permute(0, 3, 1, 2),
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size=(tgt_size[0], tgt_size[1]),
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mode="bicubic",
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align_corners=False,
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).permute(0, 2, 3, 1).flatten(0, 2).to(dtype=dtype))
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return (
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F.interpolate(
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abs_pos.float().reshape(1, src_size, src_size, -1).permute(0, 3, 1, 2),
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size=(tgt_size[0], tgt_size[1]),
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mode="bicubic",
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align_corners=False,
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)
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.permute(0, 2, 3, 1)
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.flatten(0, 2)
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.to(dtype=dtype)
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)
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# sin/cos positional embedding helpers are adapted from:
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# https://github.com/facebookresearch/mae/blob/efb2a8062c206524e35e47d04501ed4f544c0ae8/util/pos_embed.py#L20
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def get_1d_sincos_pos_embed_from_grid(
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embed_dim: int, pos: np.ndarray,
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version: tuple[int, int] = (2, 0)) -> torch.Tensor:
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embed_dim: int, pos: np.ndarray, version: tuple[int, int] = (2, 0)
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) -> torch.Tensor:
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"""
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embed_dim: output dimension for each position
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pos: a list of positions to be encoded: size (M,) / (H, W)
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@@ -96,15 +103,17 @@ def get_1d_sincos_pos_embed_from_grid(
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def get_2d_sincos_pos_embed_from_grid(
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embed_dim: int, grid: np.ndarray,
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version: tuple[int, int] = (2, 0)) -> torch.Tensor:
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embed_dim: int, grid: np.ndarray, version: tuple[int, int] = (2, 0)
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) -> torch.Tensor:
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assert embed_dim % 2 == 0
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# use half of dimensions to encode grid_h
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emb_h = get_1d_sincos_pos_embed_from_grid(
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embed_dim // 2, grid[0], version) # (H*W, D/2) or (H, W, D/2)
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embed_dim // 2, grid[0], version
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) # (H*W, D/2) or (H, W, D/2)
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emb_w = get_1d_sincos_pos_embed_from_grid(
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embed_dim // 2, grid[1], version) # (H*W, D/2) or (H, W, D/2)
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embed_dim // 2, grid[1], version
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) # (H*W, D/2) or (H, W, D/2)
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if version == (2, 0):
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emb = np.concatenate([emb_h, emb_w], axis=1) # (H*W, D)
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@@ -114,10 +123,10 @@ def get_2d_sincos_pos_embed_from_grid(
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def get_2d_sincos_pos_embed(
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embed_dim: int,
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grid_size: Union[int, tuple[int, int]],
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cls_token: bool = False,
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version: tuple[int, int] = (2, 0),
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embed_dim: int,
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grid_size: Union[int, tuple[int, int]],
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cls_token: bool = False,
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version: tuple[int, int] = (2, 0),
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) -> torch.Tensor:
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"""
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grid_size: int of the grid height and width
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@@ -134,15 +143,13 @@ def get_2d_sincos_pos_embed(
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grid_w = np.arange(grid_w_size, dtype=np.float32)
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grid = np.meshgrid(grid_w, grid_h) # here w goes first
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grid = np.stack(grid, axis=0)
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assert isinstance(grid, np.ndarray) and \
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grid.shape == (2, grid_h_size, grid_w_size)
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assert isinstance(grid, np.ndarray) and grid.shape == (2, grid_h_size, grid_w_size)
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if version == (2, 0):
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grid = grid.reshape([2, 1, grid_h_size, grid_w_size])
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pos_embed = get_2d_sincos_pos_embed_from_grid(embed_dim, grid, version)
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if cls_token:
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pos_embed = np.concatenate([np.zeros([1, embed_dim]), pos_embed],
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axis=0)
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pos_embed = np.concatenate([np.zeros([1, embed_dim]), pos_embed], axis=0)
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else:
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pos_embed = get_2d_sincos_pos_embed_from_grid(embed_dim, grid, version)
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return pos_embed
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@@ -156,15 +163,17 @@ class BaseResampler(nn.Module):
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A tensor with the shape of (grid_size**2, embed_dim)
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"""
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def __init__(self,
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num_queries: int,
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embed_dim: int,
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num_heads: int,
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kv_dim: Optional[int] = None,
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norm_layer: Callable[[int], nn.LayerNorm] = DEFAULT_LN,
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do_post_projection: bool = True,
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quant_config: Optional[QuantizationConfig] = None,
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prefix: str = "") -> None:
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def __init__(
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self,
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num_queries: int,
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embed_dim: int,
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num_heads: int,
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kv_dim: Optional[int] = None,
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norm_layer: Callable[[int], nn.LayerNorm] = DEFAULT_LN,
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do_post_projection: bool = True,
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quant_config: Optional[QuantizationConfig] = None,
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prefix: str = "",
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) -> None:
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super().__init__()
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self.num_queries = num_queries
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@@ -174,14 +183,16 @@ class BaseResampler(nn.Module):
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self.query = nn.Parameter(torch.empty(self.num_queries, embed_dim))
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if kv_dim is not None and kv_dim != embed_dim:
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self.kv_proj = ReplicatedLinear(kv_dim,
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embed_dim,
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bias=False,
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quant_config=quant_config,
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prefix=f"{prefix}.kv_proj")
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self.kv_proj = ReplicatedLinear(
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kv_dim,
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embed_dim,
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bias=False,
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quant_config=quant_config,
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prefix=f"{prefix}.kv_proj",
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)
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else:
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# Maintain the same return value with ReplicatedLinear.forward
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self.kv_proj = lambda *args, **kwargs: ( # type: ignore # noqa
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self.kv_proj = lambda *args, **kwargs: ( # type: ignore # noqa
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nn.Identity()(*args, **kwargs),
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None,
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)
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@@ -190,9 +201,11 @@ class BaseResampler(nn.Module):
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self.ln_kv = norm_layer(embed_dim)
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self.do_post_projection = do_post_projection
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self.ln_post = norm_layer(embed_dim) if do_post_projection else None
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self.proj = nn.Parameter(
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(embed_dim**-0.5) *
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torch.empty(embed_dim, embed_dim)) if do_post_projection else None
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self.proj = (
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nn.Parameter((embed_dim**-0.5) * torch.empty(embed_dim, embed_dim))
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if do_post_projection
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else None
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)
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def _repeat(self, query, N: int):
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return query.unsqueeze(1).repeat(1, N, 1)
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@@ -206,32 +219,35 @@ class Resampler2(BaseResampler):
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present in minicpmv2.0, but not qwen-vl.
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"""
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def __init__(self,
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grid_size: int,
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embed_dim: int,
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num_heads: int,
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kv_dim: Optional[int] = None,
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norm_layer: Callable[[int], nn.LayerNorm] = DEFAULT_LN,
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adaptive: bool = False,
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do_post_projection: bool = True,
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quant_config: Optional[QuantizationConfig] = None,
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prefix: str = "") -> None:
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super().__init__(grid_size**2,
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embed_dim,
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num_heads,
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kv_dim,
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norm_layer,
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do_post_projection=do_post_projection,
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quant_config=quant_config,
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prefix=prefix)
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def __init__(
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self,
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grid_size: int,
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embed_dim: int,
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num_heads: int,
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kv_dim: Optional[int] = None,
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norm_layer: Callable[[int], nn.LayerNorm] = DEFAULT_LN,
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adaptive: bool = False,
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do_post_projection: bool = True,
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quant_config: Optional[QuantizationConfig] = None,
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prefix: str = "",
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) -> None:
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super().__init__(
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grid_size**2,
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embed_dim,
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num_heads,
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kv_dim,
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norm_layer,
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do_post_projection=do_post_projection,
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quant_config=quant_config,
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prefix=prefix,
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)
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self.adaptive = adaptive
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pos_embed_arr = get_2d_sincos_pos_embed(embed_dim,
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grid_size,
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version=(2, 0))
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pos_embed_arr = get_2d_sincos_pos_embed(embed_dim, grid_size, version=(2, 0))
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self.pos_embed = nn.Parameter(
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torch.from_numpy(pos_embed_arr).requires_grad_(False))
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torch.from_numpy(pos_embed_arr).requires_grad_(False)
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)
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def forward(
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self,
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@@ -242,15 +258,16 @@ class Resampler2(BaseResampler):
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if tgt_sizes is None:
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tgt_sizes = int(math.sqrt(x.size(1)))
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if self.adaptive:
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pos_embed_arr = get_2d_sincos_pos_embed(self.embed_dim,
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tgt_sizes,
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version=(2, 0))
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pos_embed = torch.from_numpy(pos_embed_arr).to(device=x.device,
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dtype=x.dtype)
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pos_embed_arr = get_2d_sincos_pos_embed(
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self.embed_dim, tgt_sizes, version=(2, 0)
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)
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pos_embed = torch.from_numpy(pos_embed_arr).to(
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device=x.device, dtype=x.dtype
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)
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else:
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pos_embed = get_abs_pos(self.pos_embed,
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tgt_sizes).to(device=x.device,
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dtype=x.dtype)
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pos_embed = get_abs_pos(self.pos_embed, tgt_sizes).to(
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device=x.device, dtype=x.dtype
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)
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x, _ = self.kv_proj(x)
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x = self.ln_kv(x).permute(1, 0, 2)
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