#!/usr/bin/env python # coding: utf-8 # In[1]: # Cell 1: Import Libraries and Define Helper Functions import torch from torch import nn from matplotlib import pyplot as plt import numpy as np import os from sklearn.datasets import make_swiss_roll from sklearn.neighbors import kneighbors_graph import networkx as nx from sklearn.linear_model import LogisticRegression from sklearn.metrics import accuracy_score import os import sys import argparse import torch import numpy as np import matplotlib.pyplot as plt from torch.optim import AdamW from models.joint_model import EndToEndLapPEICLTransformer from models.transformer_rbf import Transformer_RBF from models.transformer_e import Transformer_E from models.icl import InContextClassifier from data.swiss_roll import generate_small_swiss_roll_in_3d, cache_or_compute_test_data from utils.training import TrainingLogger, train_logistic_regression, train_rkhs_classifier from utils.plot import plot_multiple_losses, plot_multiple_accuracies from train_lap import train_transformer_to_predict_laplacian device = torch.device("cuda" if torch.cuda.is_available() else "cpu") from config.default_config import DATA_CONFIG, LAP_MODEL_CONFIG, PE_MODEL_CONFIG, ICL_MODEL_CONFIG from config.default_config import END_TO_END_CONFIG, MODEL_PATHS, RESULTS_PATHS, TEST_MODES, EVAL_CONFIG torch.set_printoptions(precision=2, linewidth=160) # Cell 4: Training Function to Predict the Laplacian using the RBF–activated Transformer # # In[ ]: # # Cell 5: Main Training Loop if __name__ == "__main__": # Hyperparameters n_samples = 100 batch_size = 750 scale_rbf = 10 k_nn = 10 seed = 42 n_layer = 1 n_head = 1 var = 0.1 lr = 0.0005 max_iters = 1 stride = 10 clip_r = 1.0 k_feat = 4 # Set k_feat here n_nodes = n_samples # Define model path for saving/loading model_path = "transformer_laplacian_model.pt" # Check if model exists if os.path.exists(model_path): print(f">>> Loading existing model from {model_path}...") model = Transformer_RBF(n_layer, n_head, n=n_samples, d=n_samples, k=k_feat, var=var).to(device) # model = create_transformer_model(n_samples, k_feat, n_layer, n_head) model.load_state_dict(torch.load(model_path)) model = model.to(device) # No losses available for loaded model losses = [] else: print(">>> Training the Transformer to predict the Laplacian (using only point coords)...") model, losses = train_transformer_to_predict_laplacian( n_samples=n_samples, batch_size=batch_size, scale_rbf=scale_rbf, k_nn=k_nn, seed=seed, n_layer=n_layer, n_head=n_head, var=var, lr=lr, max_iters=max_iters, stride=stride, clip_r=clip_r, k_feat=k_feat # Pass k_feat to the training function ) # Save the trained model torch.save(model.state_dict(), model_path) print(f">>> Model saved to {model_path}") # Plot the training curve plt.figure() plt.plot(losses, label='Train Loss (Frobenius norm error)') plt.xlabel('Iteration') plt.ylabel('Loss') plt.legend() plt.title('Transformer Laplacian-Prediction Loss (Only Points as Input)') plt.show() # # >>> Test on one set of sampled points # test_seed = 999 # print(f"\n>>> Testing on a new Swiss roll (seed={test_seed}) ...") # L_test, xyz_test, labels_test = generate_small_swiss_roll_in_3d( # n_samples=n_samples, # scale_rbf=scale_rbf, # k_nn=k_nn, # seed=test_seed, # device=device # ) # # Build a single-sample Z the same way: first half is xyz, second half is L, third part is k_feat features # Z_test = torch.zeros(1, n_samples, 2 * n_samples + k_feat, device=device) # for row_idx in range(n_samples): # Z_test[0, row_idx, 0:3] = torch.from_numpy(xyz_test[row_idx, :]) # Z_test[0, row_idx, n_samples:2 * n_samples] = L_test[row_idx, :] # Z_test[0, row_idx, 2 * n_samples:2 * n_samples + k_feat] = 0.0 # Initialize additional features # # Zero out Laplacian and additional features from input, ask model to predict # Z_in_test = Z_test.clone() # Z_in_test[:, :, n_samples:2 * n_samples] = 0.0 # Z_in_test[:, :, 2 * n_samples:2 * n_samples + k_feat] = 0.0 # model.eval() # with torch.no_grad(): # Z_out_test = model(Z_in_test) # pred_test_rows = Z_out_test[:, :, n_samples:2 * n_samples] # predicted Laplacian # real_test_rows = Z_test[:, :, n_samples:2 * n_samples] # true Laplacian # diff_test = pred_test_rows - real_test_rows # frob_test = diff_test.pow(2).sum(dim=[1, 2]).sqrt().mean().item() # print(f"Frobenius error on test Laplacian = {frob_test:.6f}") # # Also plot the 3D Swiss roll used in the test, color-coded by "labels_test" # fig = plt.figure(figsize=(8,6)) # ax = fig.add_subplot(111, projection='3d') # ax.scatter( # xyz_test[:,0], # xyz_test[:,1], # xyz_test[:,2], # c=labels_test, # cmap='bwr', # s=35 # ) # ax.set_xlabel("x") # ax.set_ylabel("y") # ax.set_zlabel("z") # ax.set_title(f"Test Swiss Roll in 3D (z=1 plane), seed={test_seed}") # plt.show() # In[ ]: # model.load import torch.nn.functional as F # Train the ICL Transformer with Embeddings from a PE Transformer with Fixed Weights. # Ensure GPU usage if available device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu") torch.cuda.empty_cache() import torch from torch import nn from matplotlib import pyplot as plt import numpy as np import os from sklearn.datasets import make_swiss_roll from sklearn.neighbors import kneighbors_graph import networkx as nx from sklearn.linear_model import LogisticRegression from sklearn.metrics import accuracy_score device = torch.device("cuda" if torch.cuda.is_available() else "cpu") torch.set_printoptions(precision=2, linewidth=160) # Helper functions def adjacency_to_incidence(A, n_nodes, max_edges): """ Converts an adjacency matrix A to an incidence matrix B. Pads the incidence matrix to have max_edges columns. """ edges = [] for i in range(n_nodes): for j in range(i+1, n_nodes): if A[i, j] != 0: edges.append((i, j)) n_edges = len(edges) B = torch.zeros(n_nodes, max_edges) for idx, (i, j) in enumerate(edges): B[i, idx] = 1 B[j, idx] = -1 return B, n_edges def get_laplacian(B): # B is of shape [batch_size, n_nodes, n_edges] return torch.einsum('ijk,ilk->ijl', B, B) def L_ev_loss(model, Z, inds=None, k=-1, visualize=False, t=None): """ Loss function with visualization option Args: visualize: 是否可视化归一化过程 t: 当前训练迭代次数(用于图标题) """ n = Z.shape[1] d = Z.shape[2] - n - n assert inds is not None # Get Laplacian and compute eigendecomposition lap = Z[:, :, :n] eigenvals, target = torch.linalg.eigh(lap) target = target.real output = model(Z) predicted_ev = output[:, :, -k:] if inds is not None: predicted_ev = predicted_ev[:, :, inds] target = target[:, :, inds] # Store unnormalized versions predicted_unnorm = predicted_ev.clone() target_unnorm = target.clone() # Normalize predicted_ev = predicted_ev / predicted_ev.norm(p=2, dim=1)[:, None, :] target = target / target.norm(p=2, dim=1)[:, None, :] if visualize: plt.figure(figsize=(15, 3*len(inds))) for idx, ev_idx in enumerate(inds): # Plot predicted eigenvector plt.subplot(len(inds), 2, 2*idx + 1) plt.plot(predicted_unnorm[0, :, idx].cpu().detach(), 'b-', label='Before') plt.plot(predicted_ev[0, :, idx].cpu().detach(), 'r-', label='After') plt.title(f'Predicted EV{ev_idx+1} Normalization\nIter {t if t is not None else ""}') plt.grid(True) plt.legend() # Print statistics print(f"\nPredicted EV{ev_idx+1} statistics:") print("Before normalization:") print(f" Range: [{predicted_unnorm[0,:,idx].min():.3f}, {predicted_unnorm[0,:,idx].max():.3f}]") print(f" Mean: {predicted_unnorm[0,:,idx].mean():.3f}") print(f" Norm: {predicted_unnorm[0,:,idx].norm():.3f}") print("After normalization:") print(f" Range: [{predicted_ev[0,:,idx].min():.3f}, {predicted_ev[0,:,idx].max():.3f}]") print(f" Mean: {predicted_ev[0,:,idx].mean():.3f}") print(f" Norm: {predicted_ev[0,:,idx].norm():.3f}") # Plot target eigenvector plt.subplot(len(inds), 2, 2*idx + 2) plt.plot(target_unnorm[0, :, idx].cpu().detach(), 'b-', label='Before') plt.plot(target[0, :, idx].cpu().detach(), 'r-', label='After') plt.title(f'Target EV{ev_idx+1} Normalization') plt.grid(True) plt.legend() plt.tight_layout() plt.show() # Compute loss loss_pos = ((predicted_ev - target).norm(p=2, dim=[1]) ** 2) loss_neg = ((-predicted_ev - target).norm(p=2, dim=[1]) ** 2) loss = torch.minimum(loss_pos, loss_neg).sum(dim=1).mean() return loss def clip_and_step(allparam, optimizer, clip_r=None): grad_all = allparam.grad norm_p = grad_all.norm().item() if norm_p > clip_r: grad_all.mul_(clip_r / norm_p) fraction = clip_r / norm_p else: fraction = 1.0 optimizer.step() return fraction def gen_random_data(n_batch, n_samples, type='circles'): if type=='circles': n0 = int(n_samples/5) r0 = 0.1 r1 = 0.6 t0 = torch.rand(size = (n_batch,2*n0)) t1 = torch.rand(size = (n_batch,n0)) t2 = torch.rand(size = (n_batch,2*n0)) t0, _ = torch.sort(t0) t1, _ = torch.sort(t1) t2, _ = torch.sort(t2) t = torch.cat((t0,t1+1,t2+2),dim=1) #t = torch.cat((t0,t2+1),dim=1) x0 = r0*torch.cos(t0*2*torch.pi) y0 = r0*torch.sin(t0*2*torch.pi) x1 = torch.zeros_like(t1) y1 = r0 + t1 * (r1-r0) x2 = r1 * torch.cos(t2*2*torch.pi) y2 = r1 * torch.sin(t2*2*torch.pi) xs = torch.cat((x0,x1,x2),dim=1) ys = torch.cat((y0,y1,y2),dim=1) data = torch.cat((xs[:,:,None],ys[:,:,None]),dim=2) if type=='swissroll': n0 = int(n_samples) t0 = torch.rand(size = (n_batch,n0)) t0, _ = torch.sort(t0) t=t0 x0 = t0**2*torch.cos(t0*4*torch.pi) y0 = t0**2*torch.sin(t0*4*torch.pi) data = torch.cat((x0[:,:,None],y0[:,:,None]),dim=2) if type=='line': n0 = int(n_samples) t0 = torch.rand(size = (n_batch,n0)) t0, _ = torch.sort(t0) t=t0 x0 = torch.zeros_like(t0) y0 = t0 data = torch.cat((x0[:,:,None],y0[:,:,None]),dim=2) return t, data def random_data_to_adjacency(data, scale = 4): # data has shape B x n_sample x dim B, n, d = data.shape # distance(vi, vj) = ||vi - vj||^2 = ||vi||^2 + ||vj||^2 - 2 norms = torch.norm(data, p=2, dim=2)**2 #euclidean_distances = torch.zeros((B,n,n)) euclidean_distances = norms[:,:,None] + norms[:,None,:] - 2 * torch.einsum('Bni,Bmi->Bnm',(data,data)) inv_rbf_distances = torch.exp(-scale * euclidean_distances) #normalization_diag = inv_rbf_distances.sum(dim=-2)**0.5 #inv_rbf_distances = inv_rbf_distances/normalization_diag[:,:,None]/normalization_diag[:,None,:] return inv_rbf_distances def smallest_k_indices(inv_distance_matrix, k): """ Find the (i, j) indices for the smallest k distances in a symmetric distance matrix. Parameters: distance_matrix (torch.Tensor): An (n x n) symmetric distance matrix. k (int): The number of smallest distances to find. Returns: torch.Tensor: A (k x 2) tensor of indices (i, j) for the smallest k distances. """ # Mask the diagonal to exclude self-loops n = inv_distance_matrix.size(0) inv_distance_matrix = inv_distance_matrix.clone() # Avoid modifying the original inv_distance_matrix.fill_diagonal_(float(-1)) # Set diagonal to a large value # Flatten the distance matrix # flattened_distances = distance_matrix.flatten() # Find the indices of the smallest k distances indices = torch.topk(inv_distance_matrix, k, dim=-1).indices return indices def visualize_adjacency_matrix(adjacency_matrix, title="Adjacency Matrix"): """ Visualize an adjacency matrix as a heatmap. Parameters: adjacency_matrix (torch.Tensor): A 2D tensor representing the adjacency matrix. title (str): Title of the plot. """ plt.imshow(adjacency_matrix, cmap='viridis', interpolation='nearest') plt.colorbar(label="Edge Weight") plt.title(title) plt.xlabel("Node Index") plt.ylabel("Node Index") plt.grid(False) # Disable grid for clarity plt.show() import torch import numpy as np import matplotlib.pyplot as plt import networkx as nx from mpl_toolkits.mplot3d import Axes3D # Import for 3D plotting k_feat = 4 def generate_weighted_swiss_roll_graph(n_samples=100, scale=10, k=6, seed=5, return_extra=False, model=None, use_predicted_laplacian=False, k_feat = 4): """ Generates a transformed Swiss Roll dataset, constructs a weighted adjacency matrix based on inverse distances, computes the normalized Laplacian (real or predicted), and optionally plots and returns additional data for visualization. Parameters: n_samples (int): Number of samples in the Swiss Roll. scale (float): Scale parameter for the RBF kernel in adjacency. k (int): Number of nearest neighbors for graph construction. seed (int): Random seed for reproducibility. return_extra (bool): If True, also return t and a_translated and plot the data. Default: False (returns only adj, L_test, target_eigenvals, target_ev). model (nn.Module): The trained Transformer model to predict the Laplacian. Only used if use_predicted_laplacian=True. use_predicted_laplacian (bool): If True, the Laplacian will be predicted by the given model; otherwise, the real Laplacian is computed. Default: False. Returns: If return_extra=False: adj (torch.Tensor): Weighted adjacency matrix (shape: [n_samples, n_samples]). L_test (torch.Tensor): Normalized Laplacian matrix (shape: [n_samples, n_samples]). target_eigenvals (torch.Tensor): Eigenvalues of the Laplacian (shape: [n_samples]). target_ev (numpy.ndarray): Eigenvectors of the Laplacian (shape: [n_samples, n_samples]). If return_extra=True: t (torch.Tensor): Parameter array for the Swiss Roll (shape: [1, n_samples]). a_translated (torch.Tensor): The transformed coordinates of the Swiss Roll (shape: [1, n_samples, 3]). adj (torch.Tensor) L_test (torch.Tensor) target_eigenvals (torch.Tensor) target_ev (numpy.ndarray) """ # Set seeds for reproducibility torch.manual_seed(seed) np.random.seed(seed) # Generate Swiss Roll data in 2D t, a = gen_random_data(1, n_samples, type='swissroll') # t: [1, n_samples], a: [1, n_samples, 2] # Embed in R^3 with z = 1 z_coords = torch.ones((1, n_samples, 1)) a_translated = torch.cat([a, z_coords], dim=2) # Shape: [1, n_samples, 3] # Apply random scaling (only on x and y) scale_factor = np.random.uniform(0.02, .1) # Scaling a_translated[:, :, :2] = a_translated[:, :, :2] * scale_factor # Apply random rotation (only on x and y) theta = np.random.uniform(0, 2 * np.pi) # Rotation angle between 0 and 2π radians rotation_matrix = torch.tensor([[np.cos(theta), -np.sin(theta), 0], [np.sin(theta), np.cos(theta), 0], [0, 0, 1]], dtype=torch.float32) a_rotated = torch.matmul(a_translated, rotation_matrix) # Shape: [1, n_samples, 3] # Apply random translation (only on x and y) translation_x = np.random.uniform(-1, 1) # Translation between -1 and 1 units on X-axis translation_y = np.random.uniform(-1, 1) # Translation between -1 and 1 units on Y-axis translation_z = 0 translation = torch.tensor([[[translation_x, translation_y, translation_z]]], dtype=torch.float32) a_translated = a_rotated + translation # Shape: [1, n_samples, 3] # Compute weighted adjacency matrix using inverse RBF distances inv_distances = random_data_to_adjacency(a_translated[:, :, :2], scale=scale) # Shape: [1, n_samples, n_samples] # Construct k-NN adjacency matrix based on smallest inverse distances knn_indices = smallest_k_indices(inv_distances[0, :, :], k) # Shape: [n_samples, k] adj = torch.zeros((n_samples, n_samples), dtype=torch.float32) for i in range(knn_indices.shape[0]): for j in knn_indices[i, :]: if j < n_samples: # Use weighted edges weight = inv_distances[0, i, j].item() adj[i, j] = weight adj[j, i] = weight # Ensure symmetry # Either compute or predict Laplacian if use_predicted_laplacian: # Prepare input for the model in the same format as the training data Z_input_for_model = torch.zeros(1, n_samples, 2 * n_samples + k_feat, device=device) for row_idx in range(n_samples): Z_input_for_model[0, row_idx, 0:3] = a_translated[0, row_idx, :] # Store (x, y, z) # Predict Laplacian rows model.eval() with torch.no_grad(): predicted_laplacian_rows = model(Z_input_for_model)[:, :, n_samples:2*n_samples] # [1, n, n] L_test = predicted_laplacian_rows[0].to(device) # [n, n] else: # Compute normalized Laplacian degree = torch.sum(adj, dim=1) degree[degree == 0] = 1.0 # Avoid division by zero D_inv_sqrt = torch.diag(degree.pow(-0.5)) L_test = torch.eye(adj.size(0)) - D_inv_sqrt @ adj @ D_inv_sqrt # Compute eigenvalues and eigenvectors target_eigenvals, target_ev_torch = torch.linalg.eigh(L_test) target_ev = target_ev_torch.cpu().numpy() # Convert to NumPy for consistency if return_extra: # Perform plotting data = a_translated[0].cpu().numpy() # Shape: [n_samples, 3] # Assign labels based on the median of t labels = np.where(t[0].cpu().numpy() < np.median(t[0].cpu().numpy()), 1, -1) # Plot the labeled Swiss Roll data (3D Projection) - unchanged fig = plt.figure(figsize=(8, 6)) ax = fig.add_subplot(111, projection='3d') scatter = ax.scatter(data[:, 0], data[:, 1], data[:, 2], c=labels, cmap=plt.cm.bwr, s=30) ax.set_xlabel('x-axis') ax.set_ylabel('y-axis') ax.set_zlabel('z-axis') ax.set_title('Labeled Swiss Roll Data (3D Projection)') legend1 = ax.legend(*scatter.legend_elements(), title="Classes") ax.add_artist(legend1) plt.show() # Plot the Laplacian as a heatmap. # If 'use_predicted_laplacian' is True, this is the predicted Laplacian. # Otherwise, it is the real (normalized) Laplacian. laplacian_np = L_test.cpu().numpy() plt.figure(figsize=(8, 6)) plt.imshow(laplacian_np, cmap='viridis', aspect='auto') plt.colorbar(label="Laplacian Value") if use_predicted_laplacian: plt.title(f"Predicted Laplacian Heatmap (k={k})") else: plt.title(f"Real Laplacian Heatmap (k={k})") plt.xlabel("Node Index") plt.ylabel("Node Index") plt.show() return t, a_translated, adj, L_test, target_eigenvals, target_ev else: return adj, L_test, target_eigenvals, target_ev # ---------------- Example usage and comparison of Real vs. Predicted Laplacians ---------------- k = 10 def generate_in_context_swiss_roll_graphs(Z, batch_size, n_samples, k_values, max_edges, noise=0.0, base_seed=0, k_feat=4, label_percent=100, context_size=0, model=None, use_exact_ev=False): """ Now we store: - Normalized Laplacian in Z[:, :, :n] - Adjacency in Z[:, :, n:2n] - Eigenvectors in Z[:, :, 2n:] """ assert label_percent > 0 and label_percent <= 100 n_labeled = int(n_samples * label_percent / 100) assert context_size < n_labeled if isinstance(k_values, int): k_values = [k_values] # if use_exact_ev: # embedding = torch.zeros([batch_size, n_samples, k_feat], device=device) # for i in range(batch_size): # # Use the iteration number or base_seed + i as the seed # seed = base_seed + i # Ensures different seeds for each graph # adj, L_test, eigenvals, eigenvecs = generate_weighted_swiss_roll_graph( # n_samples=n_samples, # scale=10, # k=k_values[0] if isinstance(k_values, list) else k_values, # seed=seed, # Use the seed based on iteration number # return_extra=False # ) # # Use the normalized Laplacian directly # lap = L_test.to(device) # L_test is the normalized Laplacian # # Select and normalize eigenvectors # eigenvecs_selected = eigenvecs[:, :k_feat] # eigenvecs_selected /= (np.linalg.norm(eigenvecs_selected, axis=1, keepdims=True) + 1e-10) # eigenvecs_selected = torch.from_numpy(eigenvecs_selected).float().to(device) # # Fill Z # Z[i, :, :n_nodes] = lap # [n, n], normalized Laplacian # Z[i, :, n_nodes:2*n_nodes] = adj.to(device) # [n, n] # Z[i, :, 2*n_nodes:] = eigenvecs_selected # [n, k_feat] # if use_exact_ev: # actual_embedding = eigenvecs[:, :k_feat] # [n_samples, k_feat] # embedding[i, :, :] = torch.from_numpy(actual_embedding / (np.linalg.norm(actual_embedding, axis=1, keepdims=True) + 1e-10)).float().to(device) # if not use_exact_ev: # # Make predictions with PE transformer # model.eval() # with torch.no_grad(): # output = model(Z) # Shape: [batch_size, n_samples, n + (n+k)] # # Extract predicted eigenvectors # predicted_ev = output[:, :, -k_feat:].cpu().numpy() # [batch_size, n_samples, k_feat] # # Predicted embedding # embedding = predicted_ev / (np.linalg.norm(predicted_ev, axis=1, keepdims=True) + 1e-10) # embedding = torch.from_numpy(embedding).float().to(device) # Assign labels based on t for visualization # We have 't' from Cell 6 or we can re-generate t using the same seed and n_samples t, data = gen_random_data(batch_size, n_samples, type='swissroll') data = data.to(device) labels = torch.from_numpy(np.where(t.cpu().numpy() < np.median(t.cpu().numpy()), 1, 0)).to(device) # Get labeled indices labeled_indices = torch.stack([torch.randperm(n_samples)[:n_labeled] for _ in range(batch_size)]).to(device) labeled_data = labels.gather(-1, labeled_indices) # Get context indices context_indices = torch.stack([torch.randperm(n_labeled)[:context_size] for _ in range(batch_size)]).to(device) all_indices = torch.arange(n_labeled).expand(batch_size, n_labeled).to(device) # Shape [B, n_labeled] # Create a mask for indices present in the input tensor mask = torch.zeros(batch_size, n_labeled, dtype=torch.bool).to(device) mask.scatter_(1, context_indices, True) # Invert the mask to get query indices query_indices = all_indices[~mask].view(batch_size, n_labeled - context_size).to(device) # Shape [B, n_labeled - context_size] return None , labeled_data, labeled_indices, context_indices, query_indices # In[ ]: import torch import torch.nn as nn import torch.nn.functional as F import numpy as np import os import torch import numpy as np def get_or_generate_data(epoch, batch_size, n_samples, scale_rbf, k_nn, device, label_percent, context_size, k_feat, data_dir="./cached_data",force=False): """ 检查是否有缓存数据,如果没有则生成新数据 Args: epoch: 当前训练epoch batch_size: 批次大小 n_samples: 每个样本中的点数 scale_rbf: RBF核函数的缩放参数 k_nn: KNN参数 device: 计算设备 label_percent: 标签百分比 context_size: 上下文大小 k_feat: 特征维度 data_dir: 数据缓存目录 Returns: 所有数据张量和索引 """ # 创建缓存目录(如果不存在) os.makedirs(data_dir, exist_ok=True) # 构建文件路径 file_path = os.path.join(data_dir, f"data_epoch_{epoch}.pt") # if (not force): # # 检查文件是否存在 # if os.path.exists(file_path): # print(f"Loading cached data for epoch {epoch}...") # cached_data = torch.load(file_path) # return ( # cached_data['raw_data'], # cached_data['real_lap'], # cached_data['labels_tensor'], # cached_data['real_adj'], # cached_data['labeled_indices'], # cached_data['context_indices'], # cached_data['query_indices'], # cached_data['real_ev'] # ) print(f"Generating new data for epoch {epoch}...") # 生成新数据 raw_data_batch = [] real_lap_batch = [] labels_batch = [] adjacency_batch = [] for b in range(batch_size): L_true, xyz, labels_np, adjacency = generate_small_swiss_roll_in_3d( n_samples=n_samples, scale_rbf=scale_rbf, k_nn=k_nn, seed=epoch*batch_size+b, device=device ) raw_data_batch.append(torch.from_numpy(xyz).float()) real_lap_batch.append(L_true) labels_batch.append(torch.from_numpy(labels_np)) adjacency_batch.append(torch.from_numpy(adjacency).float()) raw_data = torch.stack(raw_data_batch, dim=0).to(device) real_lap = torch.stack(real_lap_batch, dim=0).to(device) labels_tensor = torch.stack(labels_batch, dim=0).to(device) real_adj = torch.stack(adjacency_batch, dim=0).to(device) # 构建标记与未标记集合 n_labeled = int(n_samples * label_percent / 100) labeled_indices = torch.stack([torch.randperm(n_samples)[:n_labeled] for _ in range(batch_size)], dim=0).to(device) context_indices = torch.stack([torch.randperm(n_labeled)[:context_size] for _ in range(batch_size)], dim=0).to(device) all_indices = torch.arange(n_labeled).expand(batch_size, n_labeled).to(device) mask = torch.zeros(batch_size, n_labeled, dtype=torch.bool).to(device) for i in range(batch_size): mask[i].scatter_(0, context_indices[i], True) # import pdb # pdb.set_trace() query_indices = all_indices[~mask].view(batch_size, n_labeled - context_size).to(device) # 计算真实特征向量 real_eigs = [] for b in range(batch_size): _, vecs = torch.linalg.eigh(real_lap[b]) real_eigs.append(vecs[:, :k_feat]) real_ev = torch.stack(real_eigs, dim=0) # Setup Z for generate_in_context_swiss_roll_graphs Z = torch.zeros([batch_size, n_samples, 2*n_samples + k_feat], device=device) max_edges = n_samples * 6 # Using k_nn=6 import pdb # pdb.set_trace() # Generate in-context data - this is the key part we'll use for ICL training _, labels_tensor, labeled_indices, context_indices, query_indices = generate_in_context_swiss_roll_graphs( Z=Z, batch_size=batch_size, n_samples=n_samples, k_values=6, max_edges=max_edges, base_seed=epoch*batch_size, k_feat=k_feat, label_percent=label_percent, context_size=context_size, model=None, # No model needed for initial generation use_exact_ev=True # Use exact eigenvectors ) # pdb.set_trace() # Setup Z for generate_in_context_swiss_roll_graphs Z = torch.zeros([batch_size, n_samples, 2*n_samples + k_feat], device=device) max_edges = n_samples * 6 # Using k_nn=6 # # Compute eigenvectors from real Laplacian for PE loss # real_eigs = [] # for b in range(batch_size): # _, vecs = torch.linalg.eigh(real_lap[b]) # eigvecs = vecs[:, :k_feat] # # Normalize the eigenvectors # eigvecs = eigvecs / (torch.linalg.norm(eigvecs, axis=0, keepdims=True) + 1e-10) # real_eigs.append(eigvecs) # real_ev = torch.stack(real_eigs, dim=0) # 保存所有数据到磁盘 cached_data = { 'raw_data': raw_data, 'real_lap': real_lap, 'labels_tensor': labels_tensor, 'real_adj': real_adj, 'labeled_indices': labeled_indices, 'context_indices': context_indices, 'query_indices': query_indices, 'real_ev': real_ev } torch.save(cached_data, file_path) print(f"Saved data to {file_path}") return raw_data, real_lap, labels_tensor, real_adj, labeled_indices, context_indices, query_indices, real_ev ############################################################################### # End-to-End Training Function (with the fixed Lap extraction) ############################################################################### def train_end_to_end_lap_pe_icl( args=None, n_samples=100, batch_size=550, raw_dim=3, k_feat=4, # Lap model parameters: lap_n_layer=4, lap_n_head=2, lap_var=0.1, # PE model parameters: pe_n_layer=6, pe_n_head=4, pe_var=0.1, # ICL parameters: n_layer_icl=2, kernel='linear', label_percent=100, context_size=99, # Optimizer settings: lr=0.001, n_epochs=201, # RBF adjacency scale: scale_rbf=10, # Loss weights:py lap_weight=1.0, pe_weight=1.0, icl_weight=1.0, test_mode=0, # 新增数据缓存目录参数 data_cache_dir=DATA_CONFIG['data_cache_dir'] ): device = torch.device("cuda" if torch.cuda.is_available() else "cpu") # 实例化端到端模型 model = EndToEndLapPEICLTransformer( n_samples=n_samples, raw_dim=raw_dim, lap_n_layer=lap_n_layer, lap_n_head=lap_n_head, lap_var=lap_var, pe_n_layer=pe_n_layer, pe_n_head=pe_n_head, pe_var=pe_var, n_layer_icl=n_layer_icl, kernel=kernel, n_categories=2, pe_dim=k_feat, lap_weight=lap_weight, pe_weight=pe_weight, icl_weight=icl_weight ).to(device) optimizer = torch.optim.AdamW(model.parameters(), lr=lr, betas=(0.9, 0.99), weight_decay=0.001) # 监控日志 losses_over_time = [] lap_losses_log = [] pe_losses_log = [] icl_losses_log = [] icl_acc_log = [] from tqdm import tqdm # 计算当前进程需要训练的epoch范围 stride = n_epochs // 1000 start_epoch = args.slurm_id * stride end_epoch = min(args.slurm_id * stride + stride, n_epochs) for epoch in tqdm(range(start_epoch,end_epoch)): if epoch % 1 == 0: # 获取或生成数据 raw_data, real_lap, labels_tensor, real_adj, labeled_indices, context_indices, query_indices, real_ev = get_or_generate_data( epoch=epoch, # 每10个epoch使用相同的数据 batch_size=batch_size, n_samples=n_samples, scale_rbf=scale_rbf, k_nn=6, device=device, label_percent=label_percent, context_size=context_size, k_feat=k_feat, data_dir=data_cache_dir ) # model.train() # optimizer.zero_grad() # total_loss, lap_loss, pe_loss, icl_query_loss, icl_query_acc = model.train_step( # raw_data=raw_data, # labels=labels_tensor, # labeled_indices=labeled_indices, # context_indices=context_indices, # query_indices=query_indices, # real_lap=real_lap, # real_ev=real_ev, # real_adj=real_adj, # test_mode=test_mode, # ) # total_loss.backward() # optimizer.step() # losses_over_time.append(total_loss.item()) # lap_losses_log.append(lap_loss.item()) # pe_losses_log.append(pe_loss.item()) # icl_losses_log.append(icl_query_loss.item()) # icl_acc_log.append(icl_query_acc.item()) # if epoch % 10 == 9: # print(f"Epoch {epoch:03d} | Total: {total_loss.item():.4f} | Lap: {lap_loss.item():.4f} | " # f"PE: {pe_loss.item():.4f} | ICL: {icl_query_loss.item():.4f} | Acc: {icl_query_acc.item():.3f}") return model, { 'total_loss': losses_over_time, 'lap_loss': lap_losses_log, 'pe_loss': pe_losses_log, 'icl_loss': icl_losses_log, 'icl_acc': icl_acc_log } def test_end_to_end_lap_pe_icl( model, n_samples=100, batch_size=550, raw_dim=3, k_feat=4, # Lap model parameters: lap_n_layer=4, lap_n_head=2, lap_var=0.1, # PE model parameters: pe_n_layer=6, pe_n_head=4, pe_var=0.1, # ICL parameters: n_layer_icl=2, kernel='linear', label_percent=100, context_size=99, # Optimizer settings: lr=0.001, n_epochs=201, # RBF adjacency scale: scale_rbf=10, # Loss weights:py lap_weight=1.0, pe_weight=1.0, icl_weight=1.0, test_mode=0, ): device = torch.device("cuda" if torch.cuda.is_available() else "cpu") # Logs for monitoring losses_over_time = [] lap_losses_log = [] pe_losses_log = [] icl_losses_log = [] icl_acc_log = [] # New tracking for classification performance lr_accs = [] rkhs_accs = [] context_sizes_list = [99] # batch_size =225 for context_size in context_sizes_list: # Generate a batch of data: raw 3D coords, real Lap, and labels raw_data_batch = [] real_lap_batch = [] labels_batch = [] adjacency_batch = [] for b in range(batch_size): L_true, xyz, labels_np, adjacency = generate_small_swiss_roll_in_3d( n_samples=n_samples, scale_rbf=scale_rbf, k_nn=6, seed=epoch*batch_size+b, device=device ) raw_data_batch.append(torch.from_numpy(xyz).float()) real_lap_batch.append(L_true) labels_batch.append(torch.from_numpy(labels_np)) adjacency_batch.append(torch.from_numpy(adjacency).float()) raw_data = torch.stack(raw_data_batch, dim=0).to(device) real_lap = torch.stack(real_lap_batch, dim=0).to(device) labels_tensor = torch.stack(labels_batch, dim=0).to(device) real_adj = torch.stack(adjacency_batch, dim=0).to(device) # Build labeled vs. unlabeled sets for ICL n_labeled = int(n_samples * label_percent / 100) labeled_indices = torch.stack([torch.randperm(n_samples)[:n_labeled] for _ in range(batch_size)], dim=0).to(device) context_indices = torch.stack([torch.randperm(n_labeled)[:context_size] for _ in range(batch_size)], dim=0).to(device) all_indices = torch.arange(n_labeled).expand(batch_size, n_labeled).to(device) mask = torch.zeros(batch_size, n_labeled, dtype=torch.bool).to(device) for i in range(batch_size): mask[i].scatter_(0, context_indices[i], True) query_indices = all_indices[~mask].view(batch_size, n_labeled - context_size).to(device) # Ground-truth eigenvectors from real Lap real_eigs = [] for b in range(batch_size): _, vecs = torch.linalg.eigh(real_lap[b]) real_eigs.append(vecs[:, :k_feat]) real_ev = torch.stack(real_eigs, dim=0) model.train() total_loss, lap_loss, pe_loss, icl_query_loss, icl_query_acc, Z_lap_out, Z_pe_out = model.test_step( raw_data=raw_data, labels=labels_tensor, labeled_indices=labeled_indices, context_indices=context_indices, query_indices=query_indices, real_lap=real_lap, real_ev=real_ev, real_adj=real_adj, test_mode=test_mode, ) print(icl_query_acc) # import pdb// # pdb.set_trace() # Z_pe_out.reshape( condesne the first two diemnsion into 1) # Z_pe_out = Z_pe_out.reshape(-1, 204) # Resulting shape: [45000, 204] # labels_tensor = labels_tensor.reshape(-1,204) # Call the existing classifier training functions with Z_pe_out batch_size = Z_pe_out.shape[0] # for batch in rkhs_acc = 0 lr_acc = 0 # 评估逻辑回归 # log_reg_acc = train_logistic_regression(X_train, y_train, X_test, y_test) from tqdm import tqdm for b in tqdm(range(batch_size)): # import pdb # pdb.set_trace() # Z_pe_out[] train_indice = context_indices[b].detach().cpu() test_indice = query_indices[b].detach().cpu() pred_ev_norm = Z_pe_out[b].detach().cpu() pred_ev_norm = pred_ev_norm / (np.linalg.norm(pred_ev_norm, axis=1, keepdims=True) + 1e-10) # import pdb # pdb.set_trace() labels_test = labels_tensor[b].detach().cpu() # 准备训练和测试数据 X_train = pred_ev_norm[train_indice].float() y_train = labels_test[train_indice].float() X_test = pred_ev_norm[test_indice].float() y_test = labels_test[test_indice].float() # import pdb # pdb.set_trace() # 评估逻辑回归 lr_acc += train_logistic_regression(X_train, y_train, X_test, y_test, device='cpu') # log_reg_accs.append(log_reg_acc) # 评估RKHS分类器 rkhs_acc += train_rkhs_classifier(X_train, y_train, X_test, y_test, device='cpu') print(lr_acc,rkhs_acc) # break lr_acc = lr_acc / batch_size rkhs_acc = rkhs_acc /batch_size # Store the accuracy results lr_accs.append(lr_acc) rkhs_accs.append(rkhs_acc) # Continue with existing logging losses_over_time.append(total_loss.item()) lap_losses_log.append(lap_loss.item()) pe_losses_log.append(pe_loss.item()) icl_losses_log.append(icl_query_loss.item()) icl_acc_log.append(icl_query_acc.item()) print(f"Context {context_size}: Total: {total_loss.item():.4f} | Lap: {lap_loss.item():.4f} | " f"PE: {pe_loss.item():.4f} | ICL: {icl_query_loss.item():.4f} | ICL Acc: {icl_query_acc.item():.3f} | " f"LR Acc: {lr_acc:.3f} | RKHS Acc: {rkhs_acc:.3f}") return model, { 'total_loss': losses_over_time, 'lap_loss': lap_losses_log, 'pe_loss': pe_losses_log, 'icl_loss': icl_losses_log, 'icl_acc': icl_acc_log, 'context_sizes': context_sizes_list, 'lr_accs': lr_accs, 'rkhs_accs': rkhs_accs } # usage # n_samples = 100 # batch_size = 450 # scale_rbf = 10 n_epochs = 101 # raw_dim = 3 # k_feat = 4 def main(): parser = argparse.ArgumentParser(description="Train End-to-End Spectral Learning Model") # Data generation parameters parser.add_argument("--n_samples", type=int, default=DATA_CONFIG["n_samples"], help="Number of samples per graph") parser.add_argument("--batch_size", type=int, default=DATA_CONFIG["batch_size"], help="Number of graphs per batch") parser.add_argument("--scale_rbf", type=float, default=DATA_CONFIG["scale_rbf"], help="Scale parameter for RBF kernel") parser.add_argument("--k_nn", type=int, default=DATA_CONFIG["k_nn"], help="Number of nearest neighbors") parser.add_argument("--seed", type=int, default=DATA_CONFIG["seed"], help="Random seed for training") parser.add_argument("--test_seed", type=int, default=DATA_CONFIG["test_seed"], help="Random seed for testing") parser.add_argument("--raw_dim", type=int, default=DATA_CONFIG["raw_dim"], help="Dimension of raw input data") parser.add_argument("--slurm_id", type=int, default=DATA_CONFIG["raw_dim"], help="Dimension of raw input data") # Laplacian model parameters parser.add_argument("--lap_n_layer", type=int, default=END_TO_END_CONFIG["n_layer_lap"], help="Number of Laplacian transformer layers") parser.add_argument("--lap_n_head", type=int, default=END_TO_END_CONFIG["n_head_lap"], help="Number of Laplacian transformer attention heads") parser.add_argument("--lap_var", type=float, default=LAP_MODEL_CONFIG["var"], help="Variance for Laplacian transformer initialization") # PE model parameters parser.add_argument("--pe_n_layer", type=int, default=END_TO_END_CONFIG["n_layer_pe"], help="Number of PE transformer layers") parser.add_argument("--pe_n_head", type=int, default=END_TO_END_CONFIG["n_head_pe"], help="Number of PE transformer attention heads") parser.add_argument("--pe_var", type=float, default=PE_MODEL_CONFIG["var"], help="Variance for PE transformer initialization") parser.add_argument("--k_feat", type=int, default=PE_MODEL_CONFIG["k_feat"], help="Number of eigenvector features") # ICL parameters parser.add_argument("--n_layer_icl", type=int, default=END_TO_END_CONFIG["n_layer_icl"], help="Number of ICL transformer layers") parser.add_argument("--kernel", type=str, default=END_TO_END_CONFIG["kernel"], choices=["linear", "rbf", "exp", "softmax"], help="Kernel type for ICL") parser.add_argument("--label_percent", type=int, default=END_TO_END_CONFIG["label_percent"], help="Percentage of labeled nodes") parser.add_argument("--context_size", type=int, default=END_TO_END_CONFIG["context_size"], help="Number of context nodes") # Training parameters parser.add_argument("--lr", type=float, default=END_TO_END_CONFIG["lr"], help="Learning rate") parser.add_argument("--n_epochs", type=int, default=END_TO_END_CONFIG["max_iters"], help="Number of training epochs") # Loss weights parser.add_argument("--lap_weight", type=float, default=END_TO_END_CONFIG["lap_weight"], help="Weight for Laplacian loss") parser.add_argument("--pe_weight", type=float, default=END_TO_END_CONFIG["pe_weight"], help="Weight for PE loss") parser.add_argument("--icl_weight", type=float, default=END_TO_END_CONFIG["icl_weight"], help="Weight for ICL loss") # Test mode parser.add_argument("--test_mode", type=int, default=0, help="Test mode (see config.TEST_MODES for details)") # File paths parser.add_argument("--model_path", type=str, default=MODEL_PATHS["end_to_end_model"], help="Path to save/load the model") parser.add_argument("--pretrain_model_path", type=str, default=MODEL_PATHS["end_to_end_model"], help="Path to save/load the model") parser.add_argument("--log_dir", type=str, default=RESULTS_PATHS["log_dir"], help="Directory to save logs") parser.add_argument("--figure_dir", type=str, default=RESULTS_PATHS["figure_dir"], help="Directory to save figures") parser.add_argument("--cache_dir", type=str, default=RESULTS_PATHS["cache_dir"], help="Directory to cache test data") parser.add_argument("--load_pretrain_model", type=int, default=-1, help="Number of Laplacian transformer layers") # Action flags parser.add_argument("--load_model", action="store_true", help="Load saved model instead of training") parser.add_argument("--skip_test", action="store_true", help="Skip testing phase") parser.add_argument("--skip_plot", action="store_true", help="Skip plotting results") args = parser.parse_args() n_samples = 100 batch_size = 450 scale_rbf = 10 n_epochs = args.n_epochs raw_dim = 3 k_feat = 4 test_seed = DATA_CONFIG["test_seed"] nn = DATA_CONFIG["k_nn"] cache_dir = RESULTS_PATHS["cache_dir"] test_mode = args.test_mode lap_weight = args.lap_weight pe_weight = args.pe_weight icl_weight = args.icl_weight label_percent = args.label_percent context_size = args.context_size save_path = args.model_path + '_'+str(test_mode)+ '_' +str(lap_weight)+ '_' +str(pe_weight)+ '_' +str(icl_weight)+ '_' +str(n_epochs) + '_' +str('finetune') skip_plot=None figure_dir = RESULTS_PATHS["figure_dir"] load_model = args.load_model load_pretrain_model = args.load_pretrain_model print(args) # Either load or train the model if load_model and os.path.exists(save_path+ "_full.pth"): print(f"Loading model from {save_path}") model = EndToEndLapPEICLTransformer( n_samples=n_samples, raw_dim=raw_dim, lap_n_layer=4, lap_n_head=2, lap_var=0.1, pe_n_layer=6, pe_n_head=4, pe_var=0.1, n_layer_icl=2, kernel='linear',n_categories=2, pe_dim=4, lap_weight=1.0, pe_weight=1.0, icl_weight=icl_weight ) model.load_model(save_path, map_location=device) else: if load_pretrain_model>=0: print(f"Loading pretrain model") model = EndToEndLapPEICLTransformer( n_samples=n_samples, raw_dim=raw_dim, lap_n_layer=4, lap_n_head=2, lap_var=0.1, pe_n_layer=6, pe_n_head=4, pe_var=0.1, n_layer_icl=2, kernel='linear',n_categories=2, pe_dim=4, lap_weight=1.0, pe_weight=1.0, icl_weight=icl_weight ) if (load_pretrain_model<=5): test_mode = load_pretrain_model save_path = args.pretrain_model_path + '_'+str(test_mode)+ '_' +str(icl_weight)+ '_' +str(n_epochs) model.load_model(save_path, map_location=device) elif (load_pretrain_model==6): test_mode = 1 save_path = args.pretrain_model_path + '_'+str(test_mode)+ '_' +str(icl_weight)+ '_' +str(n_epochs) model.load_lap_model(save_path, map_location=device) test_mode = 2 save_path = args.pretrain_model_path + '_'+str(test_mode)+ '_' +str(icl_weight)+ '_' +str(n_epochs) model.load_pe_model(save_path, map_location=device) test_mode = 3 save_path = args.pretrain_model_path + '_'+str(test_mode)+ '_' +str(icl_weight)+ '_' +str(n_epochs) model.load_icl_tf(save_path, map_location=device) elif (load_pretrain_model==7): test_mode = 2 save_path = args.pretrain_model_path + '_'+str(test_mode)+ '_' +str(icl_weight)+ '_' +str(n_epochs) model.load_pe_model(save_path, map_location=device) test_mode = 3 save_path = args.pretrain_model_path + '_'+str(test_mode)+ '_' +str(icl_weight)+ '_' +str(n_epochs) model.load_icl_tf(save_path, map_location=device) elif (load_pretrain_model==8): test_mode = 1 save_path = args.pretrain_model_path + '_'+str(test_mode)+ '_' +str(icl_weight)+ '_' +str(n_epochs) model.load_lap_model(save_path, map_location=device) test_mode = 3 save_path = args.pretrain_model_path + '_'+str(test_mode)+ '_' +str(icl_weight)+ '_' +str(n_epochs) model.load_icl_tf(save_path, map_location=device) elif (load_pretrain_model==9): test_mode = 1 save_path = args.pretrain_model_path + '_'+str(test_mode)+ '_' +str(icl_weight)+ '_' +str(n_epochs) model.load_lap_model(save_path, map_location=device) test_mode = 2 save_path = args.pretrain_model_path + '_'+str(test_mode)+ '_' +str(icl_weight)+ '_' +str(n_epochs) model.load_pe_model(save_path, map_location=device) elif (load_pretrain_model==10): test_mode = 4 save_path = args.pretrain_model_path + '_'+str(test_mode)+ '_' +str(icl_weight)+ '_' +str(n_epochs) model.load_model(save_path, map_location=device) test_mode = 3 save_path = args.pretrain_model_path + '_'+str(test_mode)+ '_' +str(icl_weight)+ '_' +str(n_epochs) model.load_icl_tf(save_path, map_location=device) elif (load_pretrain_model==11): test_mode = 5 save_path = args.pretrain_model_path + '_'+str(test_mode)+ '_' +str(icl_weight)+ '_' +str(n_epochs) model.load_model(save_path, map_location=device) test_mode = 1 save_path = args.pretrain_model_path + '_'+str(test_mode)+ '_' +str(icl_weight)+ '_' +str(n_epochs) model.load_lap_model(save_path, map_location=device) test_mode = args.test_mode model, logs = train_end_to_end_lap_pe_icl( args=args, model=model, n_samples=n_samples, batch_size=batch_size, raw_dim=raw_dim, k_feat=k_feat, lap_n_layer=4, lap_n_head=2, lap_var=0.1, pe_n_layer=6, pe_n_head=4, pe_var=0.1, n_layer_icl=1, kernel='linear', label_percent=label_percent, context_size=context_size, lr=0.001, n_epochs=n_epochs, scale_rbf=scale_rbf, lap_weight=lap_weight, pe_weight=pe_weight, icl_weight=icl_weight, test_mode = test_mode, ) else: print(">>> Training the End-to-End LAP+PE+ICL Transformer ...") model, logs = train_end_to_end_lap_pe_icl( args=args, n_samples=n_samples, batch_size=batch_size, raw_dim=raw_dim, k_feat=k_feat, lap_n_layer=4, lap_n_head=2, lap_var=0.1, pe_n_layer=6, pe_n_head=4, pe_var=0.1, n_layer_icl=1, kernel='linear', label_percent=label_percent, context_size=context_size, lr=0.001, n_epochs=n_epochs, scale_rbf=scale_rbf, lap_weight=lap_weight, pe_weight=pe_weight, icl_weight=icl_weight, test_mode = test_mode, ) # Save the model if a path is provided if save_path is not None: os.makedirs(os.path.dirname(save_path), exist_ok=True) model.save_model(save_path) print(f"Model saved to {save_path}") n_epochs = 1 # batch_size = 450 model, logs = test_end_to_end_lap_pe_icl( model, n_samples=n_samples, batch_size=batch_size, raw_dim=raw_dim, k_feat=k_feat, lap_n_layer=4, lap_n_head=2, lap_var=0.1, pe_n_layer=6, pe_n_head=4, pe_var=0.1, n_layer_icl=2, kernel='linear', label_percent=label_percent, context_size=context_size, lr=0.001, n_epochs=n_epochs, scale_rbf=scale_rbf, lap_weight=lap_weight, pe_weight=pe_weight, icl_weight=icl_weight, test_mode = test_mode, ) # metrics, visuals = test_end_to_end_model( # model=model, # n_samples=n_samples, # scale_rbf=scale_rbf, # k_nn=k_nn, # k_feat=k_feat, # test_seed=test_seed, # test_mode=test_mode, # raw_dim=raw_dim, # device=device, # cache_dir=cache_dir # ) # print(metrics) main() # %%