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Meet neograd: A Deep Learning Framework Created from Scratch Using Python and NumPy with Automatic Differentiation Capabilities

Understanding how convolutional neural networks (CNNs) operate is essential in deep learning. However, implementing these networks, especially convolutions and gradient calculations, can be challenging. Many popular frameworks like TensorFlow and PyTorch exist, but their complex codebases make it difficult for newcomers to grasp the inner workings.

Meet neograd, a newly released deep learning framework developed from scratch using Python and NumPy. This framework aims to simplify the understanding of core concepts in deep learning, such as automatic differentiation, by providing a more intuitive and readable codebase. It addresses the complexity barrier often associated with existing frameworks, making it easier for learners to comprehend how these powerful tools function under the hood.

One key aspect of neograd is its automatic differentiation capability, a crucial feature for computing gradients in neural networks. This capability allows users to effortlessly compute gradients for a wide array of operations involving vectors of any dimension, offering an accessible means to understand how gradient propagation works.

Moreover, neograd introduces a range of functionalities like gradient checking, enabling users to verify the accuracy of their gradient calculations. This feature helps in debugging models, ensuring that gradients are correctly propagated throughout the network.

The framework also boasts a PyTorch-like API, enhancing users’ familiarity with PyTorch and enabling a smoother transition between the two. It provides tools for creating custom layers, optimizers, and loss functions, offering a high level of customization and flexibility in model design.

Neograd’s versatility extends to its ability to save and load trained models and weights and even set checkpoints during training. These checkpoints help prevent loss of progress by periodically saving model weights, ensuring continuity in case of interruptions like power outages or hardware failures.

Compared to similar projects, neograd distinguishes itself by supporting computations with scalars, vectors, and matrices compatible with NumPy broadcasting. Its emphasis on readability sets it apart from other compact implementations, making the code more understandable. Unlike larger frameworks like PyTorch or TensorFlow, neograd’s pure Python implementation makes it more approachable for beginners, providing a clear understanding of the underlying processes.

In conclusion, neograd emerges as a valuable educational tool in deep learning, offering simplicity, clarity, and ease of understanding for those seeking to comprehend the intricate workings of neural networks. Its user-friendly interface and powerful functionalities pave the way for a more accessible learning experience in deep learning.


Niharika is a Technical consulting intern at Marktechpost. She is a third year undergraduate, currently pursuing her B.Tech from Indian Institute of Technology(IIT), Kharagpur. She is a highly enthusiastic individual with a keen interest in Machine learning, Data science and AI and an avid reader of the latest developments in these fields.


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