iree-org/iree has 4,007 GitHub stars and 1,057 forks. GitHot measured +3 stars in 24 hours and +6 in 7 days. Last checked 2026-11-07 15:44 UTC. Last push 2026-11-01.
A retargetable MLIR-based machine learning compiler and runtime toolkit.
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README.md
OriginalIREE: Intermediate Representation Execution Environment
IREE (Intermediate Representation Execution Environment, pronounced as "eerie") is an MLIR-based end-to-end compiler and runtime that lowers Machine Learning (ML) models to a unified IR that scales up to meet the needs of the datacenter and down to satisfy the constraints and special considerations of mobile and edge deployments.
See our website for project details, user guides, and instructions on building from source.
Project news
- 2025-04-02: AMD submitted an IREE-based SDXL implementation to the MLPerf benchmark suite
- 2024-05-23: IREE joins the LF AI & Data Foundation as a sandbox-stage project
Project status
Release status
Releases notes are published on GitHub releases.
| Package | Release status |
|---|---|
| GitHub release (stable) |  |
| GitHub release (nightly) |  |
iree-base-compiler |
 |
iree-base-runtime |
 |
For more details on the release process, see https://iree.dev/developers/general/release-management/.
Build status
Nightly build status
| Operating system | Build status |
|---|---|
| Linux |  |
| macOS |  |
For the full list of workflows see https://iree.dev/developers/general/github-actions/.
Communication channels
- GitHub issues: Feature requests, bugs, and other work tracking
- IREE Discord server: Daily development discussions with the core team and collaborators
- (New) iree-announce email list: Announcements
- (New) iree-technical-discussion email list: General and low-priority discussion
- (Legacy) iree-discuss email list: Announcements, general and low-priority discussion
Related project channels
- MLIR topic within LLVM Discourse: IREE is enabled by and heavily relies on MLIR. IREE sometimes is referred to in certain MLIR discussions. Useful if you are also interested in MLIR evolution.
Architecture overview
See our website for more information.
Presentations and talks
Community meeting recordings: IREE YouTube channel
| Date | Title | Recording | Slides |
|---|---|---|---|
| 2025-06-10 | Data-Tiling in IREE: Achieving High Performance Through Compiler Design (AsiaLLVM) | recording | slides |
| 2025-05-17 | Introduction to GPU architecture and IREE's GPU CodeGen Pipeline | recording | slides |
| 2025-02-12 | The Long Tail of AI: SPIR-V in IREE and MLIR (Vulkanised) | recording | slides |
| 2024-10-01 | Unveiling the Inner Workings of IREE: An MLIR-Based Compiler for Diverse Hardware | recording | |
| 2021-06-09 | IREE Runtime Design Tech Talk | recording | slides |
| 2020-08-20 | IREE CodeGen (MLIR Open Design Meeting) | recording | slides |
| 2020-03-18 | Interactive HAL IR Walkthrough | recording | |
| 2020-01-31 | End-to-end MLIR Workflow in IREE (MLIR Open Design Meeting) | recording | slides |
License
IREE is licensed under the terms of the Apache 2.0 License with LLVM Exceptions. See LICENSE for more information.
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