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question:As a prompt generator for a generative AI called "Midjourney", you will create image prompts for the AI to visualize. I will give you a concept, and you will provide a detailed prompt for Midjourney AI to generate an image. Please adhere to the structure and formatting below, and follow these guidelines: Do not use the words "description" or ":" in any form. Do not place a comma between [ar] and [v]. Write each prompt in one line without using return. Structure: [1] = 赛博朋克城市,俯视,大远景 [2] = a detailed description of [1] with specific imagery details. [3] = a detailed description of the scene's environment. [4] = a detailed description of the compositions. [5] = a detailed description of the scene's mood, feelings, and atmosphere. [6] = A style (e.g. photography, painting, illustration, sculpture, artwork, paperwork, 3D, etc.) for [1]. [7] = a detailed description of the scene's mood, feelings, and atmosphere. [ar] = Use "--ar 16:9" for horizontal images, "--ar 9:16" for vertical images, or "--ar 1:1" for square images. [v] = Use "--niji" for Japanese art style, or "--v 5" for other styles. Formatting: Follow this prompt structure: "/imagine prompt: [1], [2], [3], [4], [5], [6], [7], [ar] [v]". Your task: Create 4 distinct prompts for each concept [1], varying in details description, environment,compositions,atmosphere, and realization. Write your prompts in english. Do not describe unreal concepts as "real" or "photographic". Include one realistic photographic style prompt with lens type and size. Separate different prompts with two new lines. Example Prompts: /imagine prompt: cute dog, fluffy fur, wagging tail, playful expression, sitting on a grassy field, under a clear blue sky, with a colorful collar, in a natural and vibrant setting, by a lake, captured with a Nikon D750 camera, 50mm lens, shallow depth of field, composition focused on the dog's face, capturing its joyful spirit, in a style reminiscent of William Wegman's iconic dog portraits. --ar 1:1 --v 5.2 /imagine prompt: beautiful women in the coffee shop, elegant and sophisticated, sipping a cup of steaming coffee, natural sunlight streaming through the window, soft and warm color tones, vintage decor with cozy armchairs and wooden tables, a bookshelf filled with classic novels, delicate porcelain teacups, a hint of aromatic coffee beans in the air, captured by a Leica M10 camera, 35mm lens, capturing the essence of timeless beauty, composition focused on the woman's face and hands, reminiscent of a painting by Leonardo da Vinci. --ar 1:1 --v 5.2 /imagine prompt: A captivating Halo Reach landscape with a Spartan amidst a battlefield, fallen enemies around, smoke and fire in the background, emphasizing the Spartan's determination and bravery, detailed environment blending chaos and beauty, Illustration, digital art, --ar 16:9 --v 5

answer:/imagine prompt: cyberpunk cityscape, towering skyscrapers with neon lights, bustling streets below filled with hover cars, holographic advertisements flickering in the distance, smog-filled air creating a hazy glow, composition focusing on the futuristic architecture and technological advancements, conveying a sense of a chaotic yet vibrant metropolis, in a gritty and dystopian photographic style, captured with a Canon EOS R5 camera, 24-70mm lens, medium depth of field, emphasizing the city's complexity and energy. --ar 16:9 --v 5 /imagine prompt: sprawling cyberpunk city viewed from above, vast expanse of interconnected megablocks and skybridges, surrounded by a network of neon-lit highways and winding rivers of data, a digital rain falling from the sky, reflecting lights and colors, architectural marvels blending with technological innovations, a sense of constant motion and advancement, realization in a detailed and intricate digital artwork style, capturing the essence of a hyperconnected urban landscape. --ar 16:9 --v 5 /imagine prompt: cyberpunk city at night, rain-soaked streets glistening under neon lights, towering skyscrapers casting long shadows, the distant hum of machinery and echoes of footsteps, steam rising from vents, enhancing the gritty and dystopian atmosphere, compositions featuring reflections of lights on wet surfaces, dark alleys and flickering street signs, a sense of mystery and danger lurking in the shadows, in a moody and atmospheric painting style, evoking a sense of urban noir and suspense. --ar 16:9 --v 5 /imagine prompt: aerial view of a cyberpunk city at dawn, with the first light of day breaking through the smog-covered skyline, casting a golden glow over the futuristic structures, the city waking up to a new day filled with endless possibilities, compositions capturing the contrast between darkness and light, shadows and highlights, conveying a sense of hope and renewal, realization in a surreal and dreamlike illustration style, blending elements of reality and imagination to create a captivating and immersive visual experience. --ar 16:9 --v 5

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question:Can you help fix my code? Error: Traceback (most recent call last): File "/home/pradyumnas/Desktop/Mahindra/Sem6/NN/updatedcud.py", line 149, in <module> val_loss = np.mean((A2_val.flatten() - y_val) ** 2) ~~~~~~~~~~~~~~~~~^~~~~~~ ValueError: operands could not be broadcast together with shapes (34444,) (8611,) Code: import numpy as np import pandas as pd import matplotlib.pyplot as plt import math from sklearn.model_selection import train_test_split from sklearn.preprocessing import MinMaxScaler from numba import cuda, float32 # Part 1: CPU-side Setup (Data Preparation and Basic Function Definitions) # Load the dataset data = pd.read_excel('/home/pradyumnas/Desktop/Mahindra/Sem6/NN/CCPP/Data.ods', sheet_name=None) full_data = pd.concat(data.values()) # Preprocess the data X = full_data.iloc[:, :-1].values y = full_data.iloc[:, -1].values # Normalize the data scaler_x = MinMaxScaler(feature_range=(-1, 1)) scaler_y = MinMaxScaler(feature_range=(-1, 1)) X_normalized = scaler_x.fit_transform(X) y_normalized = scaler_y.fit_transform(y.reshape(-1, 1)).flatten() # Split the data X_train, X_temp, y_train, y_temp = train_test_split(X_normalized, y_normalized, test_size=0.28, random_state=42) X_val, X_test, y_val, y_test = train_test_split(X_temp, y_temp, test_size=(10/28), random_state=42) # ANN architecture parameters n_input = X_train.shape[1] n_hidden = 10 # Example: 10 hidden nodes n_output = 1 learning_rate = 0.001 lambda_reg = 0.01 # Regularization parameter # Part 2: GPU-accelerated Computation Logic with Numba CUDA # CUDA Kernel for Forward Propagation @cuda.jit def forward_propagation_cuda(X, W1, b1, W2, b2, A1, A2): row = cuda.grid(1) if row < X.shape[0]: for j in range(W1.shape[1]): Z1_val = 0.0 for k in range(W1.shape[0]): Z1_val += X[row, k] * W1[k, j] A1[row, j] = math.tanh(Z1_val + b1[j]) for j in range(W2.shape[1]): Z2_val = 0.0 for k in range(W2.shape[0]): Z2_val += A1[row, k] * W2[k, j] A2[row, j] = 1 / (1 + math.exp(-(Z2_val + b2[j]))) # CUDA Kernel for Backward Propagation @cuda.jit def backward_propagation_cuda(X, Y, W1, W2, A1, A2, dW1, dW2, db1, db2, learning_rate): row = cuda.grid(1) if row < X.shape[0]: # Initialize dZ1 array with zeros dZ1_size = W1.shape[1] # Calculate the size based on the dimensions of W1 dZ1 = cuda.local.array(shape=(dZ1_size,), dtype=float32) for j in range(dZ1_size): dZ1[j] = 0.0 # Calculate gradients for W2 and b2 dZ2 = A2[row, 0] - Y[row] for j in range(W2.shape[1]): db2[j] += dZ2 for k in range(W2.shape[0]): dW2[k, j] += A1[row, k] * dZ2 # Backpropagate through hidden layer for j in range(W1.shape[1]): for k in range(W2.shape[0]): dZ1[j] += dZ2 * W2[k, j] # Update gradients for W1 and b1 for j in range(W1.shape[1]): db1[j] += dZ1[j] * (1 - A1[row, j]**2) for k in range(W1.shape[0]): dW1[k, j] += X[row, k] * dZ1[j] # Initialize GPU-focused parts # Allocate and copy forward propagation variables W1_device = cuda.to_device(np.random.randn(n_input, n_hidden).astype(np.float32)) b1_device = cuda.to_device(np.random.randn(n_hidden).astype(np.float32)) W2_device = cuda.to_device(np.random.randn(n_hidden, n_output).astype(np.float32)) b2_device = cuda.to_device(np.random.randn(n_output).astype(np.float32)) # Output arrays for hidden and output layers A1_device = cuda.device_array((X_train.shape[0], n_hidden), dtype=np.float32) A2_device = cuda.device_array((X_train.shape[0], n_output), dtype=np.float32) # Initializing arrays for gradients and parameter updates dW1_device = cuda.device_array_like(W1_device) dW2_device = cuda.device_array_like(W2_device) db1_device = cuda.device_array_like(b1_device) db2_device = cuda.device_array_like(b2_device) # Transfer training data to GPU X_train_device = cuda.to_device(X_train.astype(np.float32)) y_train_device = cuda.to_device(y_train.astype(np.float32)) # Validation data X_val_device = cuda.to_device(X_val.astype(np.float32)) y_val_device = cuda.to_device(y_val.astype(np.float32)) # Training loop execution on GPU num_epochs = 100 learning_rate = 0.001 train_losses = [] val_losses = [] for epoch in range(num_epochs): # Forward Propagation threadsperblock = 32 blockspergrid = (X_train.shape[0] + (threadsperblock - 1)) // threadsperblock forward_propagation_cuda, threadsperblock # Backward Propagation threadsperblock = 32 blockspergrid = (X_train.shape[0] + (threadsperblock - 1)) // threadsperblock backward_propagation_cuda, threadsperblock # Synchronize threads cuda.synchronize() # Copy gradients back to host for parameter updates dW1 = dW1_device.copy_to_host() dW2 = dW2_device.copy_to_host() db1 = db1_device.copy_to_host() db2 = db2_device.copy_to_host() # Update parameters dW1 -= learning_rate * (dW1 / X_train.shape[0]) dW2 -= learning_rate * (dW2 / X_train.shape[0]) db1 -= learning_rate * (db1 / X_train.shape[0]) db2 -= learning_rate * (db2 / X_train.shape[0]) # Validation Loss Calculation if epoch % 10 == 0: # Forward Propagation on Validation Data forward_propagation_cuda, threadsperblock # Copy result back to host for validation loss calculation A2_val = A2_device.copy_to_host() # Calculate validation loss (Mean Squared Error) val_loss = np.mean((A2_val.flatten() - y_val) ** 2) val_losses.append(val_loss) print(f"Epoch {epoch}: Validation Loss = {val_loss}") # Training Loss Calculation # Forward Propagation on Training Data forward_propagation_cuda, threadsperblock # Copy result back to host for training loss calculation A2_train = A2_device.copy_to_host() # Calculate training loss (Mean Squared Error) train_loss = np.mean((A2_train.flatten() - y_train) ** 2) train_losses.append(train_loss) print(f"Epoch {epoch}: Training Loss = {train_loss}") # Plotting Training and Validation Losses epochs = range(0, num_epochs, 10) plt.plot(epochs, train_losses, label='Training Loss') plt.plot(epochs, val_losses, label='Validation Loss') plt.xlabel('Epochs') plt.ylabel('Loss') plt.title('Training and Validation Losses') plt.legend() plt.show() # End of training loop # Copy final trained parameters back to host W1_final = W1_device.copy_to_host() b1_final = b1_device.copy_to_host() W2_final = W2_device.copy_to_host() b2_final = b2_device.copy_to_host() # Optionally, you can perform inference or further analysis using the trained parameters

answer:The error you're facing hints at a mismatch between the shapes of `A2_val.flatten()` and `y_val`, indicating that the number of predictions does not match the number of actual values in the validation set. This discrepancy can occur for different reasons in neural network training, but here it's likely caused by not correctly managing the shapes of arrays during the forward propagation on the validation data. Given the snippet provided, it looks like you might not be setting the output arrays (`A2_device` in this case) correctly for the validation dataset during its forward propagation. This leads to a shape mismatch when calculating the validation loss. The error explicitly mentions that `A2_val.flatten()` has shape (34444,) while `y_val` has shape (8611,). # How to fix it: 1. **Properly execute the `forward_propagation_cuda` kernel for both training and validation datasets.** You have defined the kernels and intended to call them for both training and validation data, but the actual kernel calls are omitted in the code snippet you've provided. The generic call pattern for a cuda kernel is: ```python kernel[blockspergrid, threadsperblock](args) ``` You should ensure this pattern is followed for both forward propagation on the training and validation datasets. For instance, after setting `blockspergrid` and `threadsperblock` for your validation data, ensure you correctly call: ```python forward_propagation_cuda[blockspergrid, threadsperblock](X_val_device, W1_device, b1_device, W2_device, b2_device, A1_device_val, A2_device_val) ``` Here, `A1_device_val` and `A2_device_val` should be appropriately sized device arrays for the validation set which needs to be initialized before this call similar to their training counterparts. Make sure you update the size of `A1_device` and `A2_device` arrays appropriately for the validation data before the forward pass. 2. **Ensure shapes of arrays are adjusted for the different datasets.** Adjust the allocation of `A1_device` and `A2_device` (or their validation equivalents, `A1_device_val`, `A2_device_val` you might create) to accommodate the shape of the `X_val` dataset. The shape mismatch error suggests that the allocation for these arrays does not get properly updated to reflect the validation dataset's size. 3. **Resolution Example:** Before calling the `forward_propagation_cuda` for validation, ensure you correctly allocate `A1_device_val` and `A2_device_val` arrays to match the dimensions needed for the validation data, something like: ```python A1_device_val = cuda.device_array((X_val.shape[0], n_hidden), dtype=np.float32) A2_device_val = cuda.device_array((X_val.shape[0], n_output), dtype=np.float32) ``` And then, when performing forward propagation for validation data: ```python blockspergrid_val = (X_val.shape[0] + (threadsperblock - 1)) // threadsperblock forward_propagation_cuda[blockspergrid_val, threadsperblock](X_val_device, W1_device, b1_device, W2_device, b2_device, A1_device_val, A2_device_val) # Proceed to calculate validation loss after fetching A2_device_val back to the host ``` By ensuring the allocated device arrays for the validation set (`A1_device_val`, `A2_device_val`) are correctly sized and utilized during the forward propagation step, you can avoid the shape mismatch and correctly calculate your validation loss.

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