GPU & Compute

oneDNN

Open-source performance library for deep learning applications.

Status
Generally available
Last checked
Checked · Oct 10, 2026
License
Open source
Pricing
Free tier · from $0
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What it is

oneDNN is an open-source cross-platform performance library designed to accelerate deep learning workloads. It provides optimized routines for neural network operations, making it a valuable tool for developers working on high-performance AI projects.

oneDNN stands out for its deep optimization capabilities tailored specifically for neural network operations, making it a powerful tool for developers focused on achieving high-performance in their AI applications.

When it fits — and when it doesn’t

A good fit for

  • Developers working on high-performance deep learning projects who need optimized neural network operations.

  • Teams that require cross-platform support for their AI applications.

Look elsewhere if

  • Projects with strict budget constraints as it requires self-hosting and potentially hardware investments.

  • Applications requiring real-time processing where latency is critical, as setup and tuning might be required to achieve optimal performance.

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

  1. 01

    Limited language support beyond C++ and Python

    Primary development in C++, secondary support for Python; other languages require manual bindings or wrappers

  2. 02

    Complex setup and configuration

    Requires detailed knowledge of deep learning operations to effectively configure and use the library

  3. 03

    Performance optimizations may not be universal across all hardware

    Optimizations are heavily dependent on specific CPU architectures, leading to varied performance gains

What it does well

  • Optimized performance for deep learning operations

  • Cross-platform support

  • Highly customizable and extensible

Pricing

Free tier
YesOpen source — free to use
Paid from
$0
Model
Flat rate
Enterprise plan
No

Pricing not independently confirmed — check the vendor’s page.

Performance benchmarks

How Fast Is It?

Set up oneDNN

Setup steps, common gotchas and what to check after 30 days.

Open the setup guide →
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