As machine learning models grow and evolve, so do the requirements and needs for scaling training processes across many different devices, and the more efficiently this is done, the better. Thanks to Horovod, an open-source framework developed by Uber for all companies, users can address these challenges due to smooth and easily distributed training methods for ML and DL workflows.
Horovod was made to focus on being simple and performing well. You could make an argument that this is the goal of most AI tools, but thanks to its simplicity and amazing performance it has become a very popular choice for achieving fast results while reducing the annoyance of manual configuration. Horovod gives users the tools to implement Horovod distributed training, explore Horovod model parallelism, or even optimize workflows for ML scaling and more.
Let’s dive into the key features that Horovod offers its users and why it’s become so popular and an invaluable tool for growing and scaling deep learning models.
Key Features of Horovod
Distributed Training Made Simple
It should be no surprise that at its core, Horovod is made to make Horovod distributed training a lot more simple. By removing some of the complexities of distributed computation, it lets users train large models across many GPUs or machines with very little to no changes to their existing code.
Horovod uses very efficient algorithms such as Ring-AllReduce to synchronize gradients, which reduces overhead and makes sure that the training processes remain quick and readily scalable. This is what makes it easy for teams to focus on creating better models instead of tackling certain infrastructure challenges.
Model Parallelism for Complex Architectures
For models that require splitting computations on multiple devices, Horovod model parallelism has the best fix. This feature lets users partition and separate their models on multiple GPUs or nodes, letting each device process a part of the workload.
By using parallel computation, Horovod supports training on very large models that might be impossible to run on a single machine otherwise. This is one of the core features when it comes to advancing research in areas like natural language processing.
Compatibility with Leading Frameworks
Horovod can easily connect and be used with popular deep-learning frameworks such as TensorFlow, PyTorch, and Keras. It has a unified API that allows users to use the framework of their choice while using the full benefits of Horovod deep learning.
This cross-framework flexibility and adaptability is great in general, but more specifically, it lets teams collaborate more effectively, no matter what their preferred tools or workflows are.
Designed for ML Scaling
One of the most important goals that Horovod was created to achieve is scaling machine learning workflows as efficiently as possible. By making resource utilization optimal and smoothing out communication between devices, Horovod makes sure that projects can scale from a single GPU to basically even thousands of nodes.
This focus on ML scaling is incredibly important and invaluable for users who are looking to deploy large-scale AI systems or make their experimentation cycles quite a bit faster.
Getting Started with Horovod
To begin using Horovod, we will need PIP and, thus, Python installed first. If you don’t already have it, you can get it from Python’s official page. Once installed, open up a command prompt through PIP and input the following command to install Horovod:
pip install horovod
For more advanced configurations after installation, you can use the detailed installation guide that Horovod offers with the documentation it provides.