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Intel(R) Graphics Compiler for OpenCL(TM)

Introduction

The Intel(R) Graphics Compiler for OpenCL(TM) is an llvm based compiler for OpenCL(TM) targeting Intel Gen graphics hardware architecture.

Please refer to http://01.org/compute-runtime for additional details regarding Intel's motivation and intentions wrt OpenCL support in the open source.

License

The Intel(R) Graphics Compute Runtime for OpenCL(TM) is distributed under the MIT.

You may obtain a copy of the License at:

https://opensource.org/licenses/MIT

Dependencies

Supported Linux versions

IGC is supported on the following 32/64 bits Linux operating systems:

  • Ubuntu 14.04, 16.04, 17.04

Building

  1. Install prerequisites

Building IGC need flxe, bision, clang 4.0, cmake version later than 3.4.3 and libz. You can install required packages on ubuntu 16.04 like below:

$ sudo apt-get install flex bison clang-4.0 libz-dev cmake
  1. Download all dependencies and create workspace folder as below:
workspace
      |- clang_source           https://github.com/llvm-mirror/clang
      |- common_clang           https://github.com/intel/opencl-clang
      |- llvm_patches           https://github.com/intel/llvm-patches
      |- llvm_source            https://github.com/llvm-mirror/llvm
      |- igc                    https://github.com/intel/intel-graphics-compiler
      |- opencl_headers         https://github.com/KhronosGroup/OpenCL-Headers

Example command:
$ git clone -b release_40 https://github.com/llvm-mirror/clang clang_source
$ git clone https://github.com/intel/opencl-clang common_clang
$ git clone https://github.com/intel/llvm-patches llvm_patches
$ git clone -b release_40 https://github.com/llvm-mirror/llvm llvm_source
$ git clone https://github.com/intel/intel-graphics-compiler igc
$ git clone https://github.com/KhronosGroup/OpenCL-Headers opencl_headers
  1. Under workspace create a build folder. For example:
$ mkdir build
  1. Build IGC using commands:
$ cd build
$ cmake -DIGC_OPTION__OUTPUT_DIR=../igc-install/Release \
    -DCMAKE_BUILD_TYPE=Release -DIGC_OPTION__ARCHITECTURE_TARGET=Linux64 \
    ../igc/IGC
$ make -j`nproc`

Supported Platforms

  • Intel Core Processors supporting Gen8 graphics devices
  • Intel Core Processors supporting Gen9 graphics devices
  • Intel Core Processors supporting Gen10 graphics devices
  • Intel Atom Processors supporting Gen9 graphics devices

How to provide feedback

Please submit an issue using native github.com interface: https://github.com/intel/intel-graphics-compiler/issues.

How to contribute

Create a pull request on github.com with your patch. Make sure your change is cleanly building. A maintainer will contact you if there are questions or concerns.