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CUDA vs OpenVINO: What are the differences?

Introduction

In this article, we will compare CUDA and OpenVINO and discuss their key differences. CUDA and OpenVINO are two popular frameworks used in the field of computer vision and deep learning. While both frameworks aim to optimize the performance of computations on different hardware platforms, they have distinct features and use cases.

  1. CUDA: CUDA is a parallel computing platform and programming model developed by NVIDIA. It is primarily used for GPU acceleration and is well-suited for tasks that require massive parallel processing, such as deep learning. CUDA allows developers to write code in C/C++ and execute it on NVIDIA GPUs. It provides low-level control over the hardware, enabling fine-grained optimization of computations. CUDA is best suited for applications that heavily rely on GPU processing power and require direct hardware interaction and customization.

  2. OpenVINO: OpenVINO (Open Visual Inference and Neural Network Optimization) is an open-source toolkit developed by Intel. It focuses on optimizing computer vision and deep learning workloads for various hardware devices, including CPUs, GPUs, FPGAs, and VPUs. OpenVINO allows developers to convert models from popular deep learning frameworks like TensorFlow and PyTorch into an optimized format that can be deployed on a wide range of hardware. It provides high-level abstractions and optimizations to maximize performance across different hardware architectures. OpenVINO is best suited for applications where hardware portability and overall performance are key considerations.

  3. Architecture: CUDA directly interacts with NVIDIA GPUs, leveraging their parallel processing capabilities. It provides low-level access to the GPU architecture, allowing developers to fine-tune and optimize computations. On the other hand, OpenVINO works with a range of hardware architectures, including CPUs, GPUs, FPGAs, and VPUs. It abstracts away the underlying hardware details and optimizes computations for each specific device.

  4. Flexibility: CUDA offers a high degree of flexibility as it allows developers to have direct control over the GPU architecture. This makes it suitable for applications that require low-level customization and optimization. OpenVINO, on the other hand, focuses on providing a high-level abstraction layer, making it more flexible in terms of hardware deployment. Developers can easily optimize and deploy models on different hardware platforms using OpenVINO without worrying about the specific hardware details.

  5. Model Conversion: CUDA requires models to be implemented or converted specifically for NVIDIA GPUs. It may require additional effort to port models to different GPUs or hardware architectures. OpenVINO, on the other hand, provides a model conversion capability that allows easy deployment on various hardware platforms. Models trained in popular frameworks like TensorFlow or PyTorch can be converted and optimized for different devices using OpenVINO without the need for extensive modifications.

  6. Hardware Support: CUDA is primarily designed for NVIDIA GPUs and offers extensive support and compatibility for their hardware architectures. OpenVINO, on the other hand, supports a wide range of hardware devices beyond GPUs, including CPUs, FPGAs, and VPUs. This makes OpenVINO a more versatile choice when it comes to hardware deployment and acceleration options.

In summary, CUDA is a parallel computing platform specifically designed for NVIDIA GPUs, offering low-level control and customization for GPU-accelerated applications. OpenVINO, on the other hand, is an open-source toolkit that optimizes computer vision and deep learning workloads for various hardware devices, providing high-level abstractions and support for CPUs, GPUs, FPGAs, and VPUs.

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What is CUDA?

A parallel computing platform and application programming interface model,it enables developers to speed up compute-intensive applications by harnessing the power of GPUs for the parallelizable part of the computation.

What is OpenVINO?

It is a comprehensive toolkit for quickly developing applications and solutions that emulate human vision. Based on Convolutional Neural Networks (CNNs), the toolkit extends CV workloads across Intel® hardware, maximizing performance.

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    What are some alternatives to CUDA and OpenVINO?
    OpenCL
    It is the open, royalty-free standard for cross-platform, parallel programming of diverse processors found in personal computers, servers, mobile devices and embedded platforms. It greatly improves the speed and responsiveness of a wide spectrum of applications in numerous market categories including gaming and entertainment titles, scientific and medical software, professional creative tools, vision processing, and neural network training and inferencing.
    OpenGL
    It is a cross-language, cross-platform application programming interface for rendering 2D and 3D vector graphics. The API is typically used to interact with a graphics processing unit, to achieve hardware-accelerated rendering.
    TensorFlow
    TensorFlow is an open source software library for numerical computation using data flow graphs. Nodes in the graph represent mathematical operations, while the graph edges represent the multidimensional data arrays (tensors) communicated between them. The flexible architecture allows you to deploy computation to one or more CPUs or GPUs in a desktop, server, or mobile device with a single API.
    PyTorch
    PyTorch is not a Python binding into a monolothic C++ framework. It is built to be deeply integrated into Python. You can use it naturally like you would use numpy / scipy / scikit-learn etc.
    scikit-learn
    scikit-learn is a Python module for machine learning built on top of SciPy and distributed under the 3-Clause BSD license.
    See all alternatives