commit | 217904d28d5628f3a67d402bb2d1c4b1e0b53387 | [log] [tgz] |
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author | Scott Todd <scotttodd@google.com> | Thu Jun 04 13:38:32 2020 -0700 |
committer | Copybara-Service <copybara-worker@google.com> | Thu Jun 04 13:40:27 2020 -0700 |
tree | ba3b721939714034c58034dca820b9ff06de58a4 | |
parent | 962b5bb6745fd182901b38c3c3f331c919cd88fb [diff] |
Start on "dylib" HAL backend for running code from dynamic libraries. The plan here is to use this for LLVM ahead-of-time (AOT) execution: a new compiler target will generate modules targeting this HAL backend that will contain ahead-of-time compiled platform/architecture-specific dynamic libraries (.so/.dll/.dylib). This is modeled after iree/hal/llvmjit, but is intended to be generic and should not directly reference LLVM code or concepts. Existing restrictions on dynamic shapes, op coverage, etc. from llvmjit are mirrored here for the moment. I've partially tested manually using some test .dll files and a (next PR) LLVMAOTTarget on the compiler side. I'd like to expand on `iree/hal/cts/` coverage soon. Closes https://github.com/google/iree/pull/2099 COPYBARA_INTEGRATE_REVIEW=https://github.com/google/iree/pull/2099 from ScottTodd:dylib d6356b683104d9e6d9bbd9f592a983787013e716 PiperOrigin-RevId: 314794646
IREE (Intermediate Representation Execution Environment, pronounced as “eerie”) is an MLIR-based end-to-end compiler that lowers ML models to a unified IR optimized for real-time mobile/edge inference against heterogeneous hardware accelerators. IREE also provides flexible deployment solutions for the compiled ML models.
IREE is still in its early phase. We have settled down on the overarching infrastructure and are actively improving various software components as well as project logisitics. It is still quite far from ready for everyday use and is made available without any support at the moment. With that said, we welcome any kind of feedback on any communication channels!
For development, IREE supports both Bazel and CMake on Windows and Linux. We are working on enabling macOS support. For deployment, IREE aims to additionally cover Android and iOS.
Please see the Getting Started pages on IREE's documentation hub to configure, compile, and run IREE in your favorite development environment!
IREE hosts all its documentation and project status dashboards on GitHub Pages. We are still building up the website; please feel free to create issues for the documentation you'd like to see!
We also have some public talks that explain IREE's concepts and architecture:
IREE adopts a holistic approach towards ML model compilation: the IR produced contains both the scheduling logic, required to communicate data dependencies to low-level parallel pipelined hardware/API like Vulkan, and the execution logic, encoding dense computation on the hardware in the form of hardware/API-specific binaries like SPIR-V.
The architecture of IREE is best illustrated by the following picture:
Being compilation-based means IREE does not have a traditional runtime that dispatches “ops” to their fat kernel implemenations. What IREE provides is a toolbox for different deployment scenarios. It scales from running generated code on a particular API (such as emitting C code calling external DSP kernels), to a HAL (Hardware Abstraction Layer) that allows the same generated code to target multiple APIs (like Vulkan and Direct3D 12), to a full VM allowing runtime model loading for flexible deployment options and heterogeneous execution.
IREE aims to
IREE is still at its early stage; we have lots of exciting future plans. Please check out the long-term design roadmap and short-term focus areas.
We use GitHub Projects to track various IREE components and GitHub Milestones for major features and quarterly plans. Please check out for updated information.
CI System | Build System | Platform | Component | Status |
---|---|---|---|---|
GitHub Actions | Bazel | Linux | Integrations | Workflow History |
GitHub Actions | Bazel | Linux | Other | Workflow History |
Kokoro | Bazel | Linux | Core + Bindings | |
Kokoro | CMake | Linux | Core + Bindings |
IREE is licensed under the terms of the Apache license. See LICENSE for more information.