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README.md

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# Intel® Open Image Denoise
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This is release v2.3.2 of Intel Open Image Denoise. For changes and new
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This is release v2.3.3 of Intel Open Image Denoise. For changes and new
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features see the [changelog](CHANGELOG.md). Visit
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https://www.openimagedenoise.org for more information.
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Intel Open Image Denoise is part of the [Intel® Rendering
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Toolkit](https://software.intel.com/en-us/oneapi/render-kit) and is
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released under the permissive [Apache 2.0
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license](http://www.apache.org/licenses/LICENSE-2.0).
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license](http://www.apache.org/licenses/LICENSE-2.0). It has been
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recognized with a [Technical Achievement
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Award](https://press.oscars.org/news/14-achievements-be-honored-scientific-and-technical-awardsr)
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by the Academy of Motion Picture Arts and Sciences in 2025 for its
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contribution to the motion picture industry.
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The purpose of Intel Open Image Denoise is to provide an open,
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high-quality, efficient, and easy-to-use denoising library that allows
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Pentium® and Celeron® processors (Xe-LP, Xe-LPG, Xe-LPG+, Xe-HPG,
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Xe-HPC, Xe2-LPG, Xe2-HPG, and Xe3-LPG microarchitectures)
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- NVIDIA GPUs with Volta, Turing, Ampere, Ada Lovelace, and Hopper
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architectures
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- NVIDIA GPUs with Volta, Turing, Ampere, Ada Lovelace, Hopper, and
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Blackwell architectures
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- AMD GPUs with RDNA2 (Navi 21 only) and RDNA3 (Navi 3x) architectures
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- AMD GPUs with RDNA2 (Navi 21 only), RDNA3 (Navi 3x), and RDNA4 (Navi
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4x) architectures
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- Apple silicon GPUs (M1 and newer)
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For NVIDIA GPU support, please also install the latest [NVIDIA graphics
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drivers](https://www.nvidia.com/en-us/geforce/drivers/):
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- Windows: Version 527.41 or newer
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- Windows: Version 528.33 or newer
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- Linux: Version 525.60.13 or newer
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For AMD GPU support, please also install the latest [AMD graphics
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drivers](https://www.amd.com/en/support):
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- Windows: AMD Software: Adrenalin Edition 24.10.1 or newer
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- Windows: AMD Software: Adrenalin Edition 25.3.1 or newer
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- Linux: [Radeon Software for
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Linux](https://www.amd.com/en/support/linux-drivers) version 24.20.3
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Linux](https://www.amd.com/en/support/linux-drivers) version 24.30.4
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or newer
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For Apple GPU support, macOS Ventura or newer is required.
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#### SYCL device for Intel GPUs:
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- oneAPI DPC++ Compiler, one of the following versions (other versions
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are *not* supported):
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might work as well but have *not* been validated with Intel Open
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Image Denoise):
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- [oneAPI DPC++
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Compiler 2023-10-26](https://github.com/intel/llvm/releases/tag/nightly-2023-10-26).
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This is the open source version of the compiler, which is more
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up-to-date but less stable, so we *strongly* recommend to use
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this exact version. On Linux we also recommend to rebuild it
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from source with the `--disable-fusion` flag to minimize the
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size of the SYCL runtime.
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- [oneAPI DPC++
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Compiler 2022-12](https://github.com/intel/llvm/releases/tag/2022-12).
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*Must* be rebuilt from source.
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Compiler 6.0.1](https://github.com/intel/llvm/releases/tag/v6.0.1).
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This is the open source version of the compiler, which needs to
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be built from source. We recommend building it with the
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`--disable-jit` flag to minimize the size of the SYCL runtime
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binaries.
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- [Intel® oneAPI DPC++/C++
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Compiler](https://www.intel.com/content/www/us/en/developer/tools/oneapi/dpc-compiler.html)
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2024.1 or newer
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- [CMake](http://www.cmake.org) 3.18 or newer
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- [NVIDIA CUDA Toolkit](https://developer.nvidia.com/cuda-toolkit)
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11.8 or newer
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12.8 or newer
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#### HIP device for AMD GPUs:
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- [Ninja](https://ninja-build.org) or Make as the CMake generator. The
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Visual Studio generator is *not* supported.
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- [AMD ROCm (HIP SDK)](https://rocm.docs.amd.com) v6.1.2 or newer.
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- [AMD ROCm (HIP SDK)](https://rocm.docs.amd.com) v6.2.4 or newer.
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- Perl (e.g. [Strawberry Perl](https://strawberryperl.com) on Windows)
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- `OIDN_LIBRARY_NAME`: Specifies the base name of the Open Image
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Denoise library files (`OpenImageDenoise` by default).
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- `OIDN_LIBRARY_VERSIONED`: Enable versioning of the Open Image
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Denoise library files, where available (ON by default).
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- `OIDN_API_NAMESPACE`: Specifies a namespace to put all Open Image
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Denoise API symbols inside. This is also added as an outer namespace
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- `OIDN_INSTALL_DEPENDENCIES`: Enable installing the dependencies
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- `OIDN_DEPENDENTLOADFLAG`: Value for DEPENDENTLOADFLAG linker flag on Windows. For more information, see [SECURITY.md](SECURITY.md#security-considerations)
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- `OIDN_DEPENDENTLOADFLAG`: Value for `DEPENDENTLOADFLAG` linker flag
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on Windows. For more information, see
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[SECURITY.md](SECURITY.md#security-considerations)
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- `TBB_ROOT`: The path to the TBB installation (autodetected by
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doc/compilation.md

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- `OIDN_INSTALL_DEPENDENCIES`: Enable installing the dependencies (e.g. TBB,
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SYCL runtime) as well.
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- `OIDN_DEPENDENTLOADFLAG`: Value for `DEPENDENTLOADFLAG` linker flag on
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Windows. For more information, see [SECURITY.md](SECURITY.md#security-considerations)
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- `TBB_ROOT`: The path to the TBB installation (autodetected by default).
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- `ROCM_PATH`: The path to the ROCm installation (autodetected by default).

doc/overview.md

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For NVIDIA GPU support, please also install the latest
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[NVIDIA graphics drivers](https://www.nvidia.com/en-us/geforce/drivers/):
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- Windows: Version 528.33 or newer
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- Linux: Version 525.60.13 or newer
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readme.pdf

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