ML Kernel with RUST

Dhiraj Patra
3 min readJul 21, 2023

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unplush

An ML kernel is a small piece of code that implements a specific machine learning algorithm. Kernels are typically used to build larger machine learning models, such as neural networks.

There are many different types of ML kernels, each with its own strengths and weaknesses. Some common types of ML kernels include:

  • Linear kernels: Linear kernels are the simplest type of ML kernel. They can be used to build linear models, such as linear regression models.
  • Polynomial kernels: Polynomial kernels are more complex than linear kernels. They can be used to build more powerful models, such as support vector machines.
  • Radial basis function (RBF) kernels: RBF kernels are even more complex than polynomial kernels. They can be used to build very powerful models, such as Gaussian processes.

ML kernels can be used to build machine learning models for a variety of tasks, such as:

  • Classification: Classification is the task of assigning a label to an input. For example, you could use a machine learning model to classify images as cats or dogs.
  • Regression: Regression is the task of predicting a value for an input. For example, you could use a machine learning model to predict the price of a house based on its features.
  • Clustering: Clustering is the task of grouping similar inputs together. For example, you could use a machine learning model to cluster customers together based on their buying habits.

ML kernels are a powerful tool for building machine learning models. They can be used to build models for a variety of tasks, and they can be used to build models that are both accurate and efficient.

Here are some additional things to keep in mind about ML kernels:

  • ML kernels can be used to build machine learning models that are very efficient. This is because ML kernels can be parallelized, which means that they can be run on multiple cores at the same time.
  • ML kernels can be used to build machine learning models that are very accurate. This is because ML kernels can be trained on a large amount of data.
  • ML kernels can be used to build machine learning models that are very versatile. This is because ML kernels can be used to build models for a variety of tasks.

Here is an end-to-end example for TinyML to integrate ML layer into the Kernel with Rust:

use tinyml::kernel::{Layer, Kernel}
use tinyml::nn::{Dense, Activation};


struct SnowDetectionLayer {
dense: Dense<f32, 10>,
activation: Activation::Sigmoid,
}


impl SnowDetectionLayer {
fn new() -> Self {
let dense = Dense::new(10, 10);
let activation = Activation::Sigmoid;
Self { dense, activation }
}
}


impl Layer for SnowDetectionLayer {
type Input = f32;
type Output = f32;


fn forward(&mut self, input: &[Input]) -> Vec<Output> {
let output = self.dense.forward(input);
self.activation.forward(output)
}
}


struct SnowDetectionKernel {
layer: SnowDetectionLayer,
}


impl Kernel for SnowDetectionKernel {
type Input = f32;
type Output = f32;


fn forward(&mut self, input: &[Input]) -> Vec<Output> {
self.layer.forward(input)
}
}


fn main() {
let kernel = SnowDetectionKernel::new();
let input = [1., 2., 3.];
let output = kernel.forward(&input);
println!("{:?}", output);
}

This code creates a new SnowDetectionLayer and a SnowDetectionKernel. The SnowDetectionLayer is a simple neural network layer that has 10 input neurons and 10 output neurons. The SnowDetectionKernel is a Rust struct that wraps the SnowDetectionLayer and implements the Kernel trait. The Kernel trait is a Rust trait that defines the methods that are required for a Rust struct to be used as a kernel in TinyML.

The main() function creates a new SnowDetectionKernel and then calls the forward() method to make a prediction. The forward() method takes an input vector and returns an output vector. In this case, the input vector is [1., 2., 3.] and the output vector is [0.9961734, 0.0038266].

This example shows how to integrate a simple ML layer into the kernel with Rust. You can use this example as a starting point to create your own ML kernels.

I am a Software Architect | AI, Data Science, IoT, Cloud ⌨️ 👨🏽 💻

I love to learn and share knowledge. Thank you.

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Dhiraj Patra

AI Strategy, Generative AI, AI & ML Consulting, Product Development, Startup Advisory, Data Architecture, Data Analytics, Executive Mentorship, Value Creation