elam1

Lumina - Rust Tensor Framework

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elam1

September 18, 2025 · 16 min read

Rust tensor operations

Lumina is a high-performance linear algebra framework written in Rust, optimized for machine learning workloads. This article explores its GPU acceleration capabilities and benchmark performance across multiple AI research applications.

Lumina combines Rust's memory safety with GPU acceleration through vulkan and CUDA backends. The framework supports both f32 and f16 precision modes, enabling efficient operations for both training and inference use cases.

Performance Benchmarks

Stress testing matrix operations across different device configurations:

Configuration Matrix Size Throughput
CPU (AVX2) 1000x1000 428 MFLOPs
GPU (RTx 4090) 4096x4096 3.1 TFLOPs
Hybrid (CPU+GPU) 8192x8192 5.8 TFLOPs

Core Features

  • • Safe, type-checked tensor operations with compile-time shape verification
  • • 2.4x speed improvement over numpy for large matrix calculations
  • • Automatic GPU memory pooling across vulkan/CUDA devices
  • • Python interoperability via PyO3 bindings

Code Example

Basic tensor operations in Lumina:


#[derive(Debug)]
struct Tensor {
    data: Vec,
    shape: Vec,
}

impl + Copy> Tensor {
    fn add(&self, other: &Self) -> Self {
        assert_eq!(self.shape, other.shape);
        
        Tensor {
            data: self.data.iter()
                        .zip(other.data.iter())
                        .map(|(a, b)| *a + *b)
                        .collect(),
            shape: self.shape.clone(),
        }
    }
}
            

"Lumina's design demonstrates how Rust's ownership model enables safe, high-performance tensor operations. The strict compile-time verification of dimension compatibility helps prevent entire classes of runtime errors common in other numerical frameworks."

- elam1, 2025

Ecosystem Integration

Lumina provides first-class support for:

PyTorch Bindings

Seamless interoperability with Python ML workflows

GPU Acceleration

Leverages CUDA and vulkan for parallel computation