diff --git a/.github/workflows/_build_doc.yaml b/.github/workflows/_build_doc.yaml
index 67264322a..21804ff5c 100644
--- a/.github/workflows/_build_doc.yaml
+++ b/.github/workflows/_build_doc.yaml
@@ -30,6 +30,8 @@ jobs:
     steps:
       - name: Check-out the repository
         uses: actions/checkout@v3
+        with:
+          submodules: recursive
       - name: Create the Python virtual environment
         run: |
           python${{ inputs.py }} -m venv ~/venv
@@ -41,7 +43,7 @@ jobs:
             torch==${{ inputs.torch }}
       - name: Install requirements
         run: |
-          pip install --requirement fairseq2n/python/requirements-build.txt
+          pip install --requirement native/python/requirements-build.txt
       - name: Install Sphinx
         run: |
           pip install --requirement doc/requirements.txt
@@ -49,9 +51,13 @@ jobs:
         if: inputs.version_override
         run: |
           tools/set-project-version.sh ${{ inputs.version_override }}
+      - name: Configure fairseq2n
+        working-directory: native
+        run: |
+          cmake -GNinja -B build
       - name: Install fairseq2n
         run: |
-          pip install --editable fairseq2n/python
+          pip install --editable native/python
       - name: Install fairseq2
         run: |
           pip install --editable .
diff --git a/.github/workflows/_build_wheel-linux.yaml b/.github/workflows/_build_wheel-linux.yaml
index 10a39a581..a1056349c 100644
--- a/.github/workflows/_build_wheel-linux.yaml
+++ b/.github/workflows/_build_wheel-linux.yaml
@@ -64,7 +64,7 @@ jobs:
             torch==${{ inputs.torch }}
       - name: Install requirements
         run: |
-          pip install --requirement fairseq2n/python/requirements-build.txt
+          pip install --requirement native/python/requirements-build.txt
       - name: Override project version
         if: inputs.version_override
         run: |
@@ -83,7 +83,7 @@ jobs:
               tools/set-project-version.sh $version+$VARIANT
           fi
       - name: Build fairseq2n
-        working-directory: fairseq2n
+        working-directory: native
         env:
           VARIANT: ${{ inputs.variant }}
           SANITIZERS: ${{ inputs.sanitizers }}
@@ -122,7 +122,7 @@ jobs:
 
           cmake --build build
       - name: Package fairseq2n
-        working-directory: fairseq2n/python
+        working-directory: native/python
         run: |
           pip wheel\
             --use-pep517\
@@ -141,8 +141,8 @@ jobs:
           name: ${{ inputs.artifacts_name }}-pt${{ inputs.torch }}-py${{ inputs.py }}-linux_${{ inputs.arch }}-${{ inputs.variant }}-${{ inputs.sanitizers }}
           path: |
             build/wheelhouse/*.whl
-            fairseq2n/build/tests/run-tests
-            fairseq2n/python/build/wheelhouse/*.whl
+            native/build/tests/run-tests
+            native/python/build/wheelhouse/*.whl
           retention-days: 1
 
   test:
@@ -185,9 +185,7 @@ jobs:
           fi
       - name: Install fairseq2n
         run: |
-          whl=$(ls ~/artifacts/fairseq2n/python/build/wheelhouse/*.whl)
-
-          pip install --no-cache-dir "fairseq2n@file://$whl"
+          pip install --no-cache-dir ~/artifacts/native/python/build/wheelhouse/*.whl
       - name: Install fairseq2
         run: |
           whl=$(ls ~/artifacts/build/wheelhouse/*.whl)
@@ -204,7 +202,7 @@ jobs:
             # in non-instrumented dependencies.
             echo ASAN_OPTIONS=detect_container_overflow=0
 
-            echo LSAN_OPTIONS=suppressions=fairseq2n/LSan.supp,exitcode=0,log_path=$HOME/lsan.out
+            echo LSAN_OPTIONS=suppressions=native/LSan.supp,exitcode=0,log_path=$HOME/lsan.out
 
             for sanitizer in ${SANITIZERS//_/ }; do
               # LIBASAN and LIBTSAN environment variables are defined in the
@@ -225,12 +223,12 @@ jobs:
           } >> "$GITHUB_ENV"
       - name: Run native tests
         run: |
-          chmod 755 ~/artifacts/fairseq2n/build/tests/run-tests
+          chmod 755 ~/artifacts/native/build/tests/run-tests
 
           site_packages=~/venv/lib/python${{ inputs.py }}/site-packages
 
           LD_LIBRARY_PATH=~/venv/lib:$site_packages/torch/lib:$site_packages/fairseq2n/lib:$LD_LIBRARY_PATH\
-            ~/artifacts/fairseq2n/build/tests/run-tests
+            ~/artifacts/native/build/tests/run-tests
       - name: Run Python tests
         env:
           RUN_INTEGRATION_TESTS: ${{ inputs.run_integration_tests }}
diff --git a/.github/workflows/_build_wheel-macos.yaml b/.github/workflows/_build_wheel-macos.yaml
index 1137d4878..23d83da19 100644
--- a/.github/workflows/_build_wheel-macos.yaml
+++ b/.github/workflows/_build_wheel-macos.yaml
@@ -48,13 +48,13 @@ jobs:
           pip install torch==${{ inputs.torch }}
       - name: Install requirements
         run: |
-          pip install --requirement fairseq2n/python/requirements-build.txt
+          pip install --requirement native/python/requirements-build.txt
       - name: Override project version
         if: inputs.version_override
         run: |
           tools/set-project-version.sh ${{ inputs.version_override }}
       - name: Build fairseq2n
-        working-directory: fairseq2n
+        working-directory: native
         run: |
           cmake\
             -GNinja\
@@ -69,7 +69,7 @@ jobs:
 
           cmake --build build
       - name: Package fairseq2n
-        working-directory: fairseq2n/python
+        working-directory: native/python
         run: |
           pip wheel\
             --use-pep517\
@@ -86,8 +86,8 @@ jobs:
           name: ${{ inputs.artifacts_name }}-pt${{ inputs.torch }}-py${{ inputs.py }}-macos_${{ inputs.arch }}-cpu
           path: |
             build/wheelhouse/*.whl
-            fairseq2n/build/tests/run-tests
-            fairseq2n/python/build/wheelhouse/*.whl
+            native/build/tests/run-tests
+            native/python/build/wheelhouse/*.whl
           retention-days: 1
 
   test:
@@ -121,16 +121,16 @@ jobs:
           pip install --requirement requirements-devel.txt
       - name: Install fairseq2n
         run: |
-          pip install --no-cache-dir ~/artifacts/fairseq2n/python/build/wheelhouse/*.whl
+          pip install --no-cache-dir ~/artifacts/native/python/build/wheelhouse/*.whl
       - name: Install fairseq2
         run: |
           pip install --no-cache-dir ~/artifacts/build/wheelhouse/*.whl
       - name: Run native tests
         run: |
-          chmod 755 ~/artifacts/fairseq2n/build/tests/run-tests
+          chmod 755 ~/artifacts/native/build/tests/run-tests
 
           DYLD_LIBRARY_PATH=~/venv/lib:~/venv/lib/python${{ inputs.py }}/site-packages/torch/lib:~/venv/lib/python${{ inputs.py }}/site-packages/fairseq2n/lib\
-            ~/artifacts/fairseq2n/build/tests/run-tests
+            ~/artifacts/native/build/tests/run-tests
       - name: Run Python tests
         run: |
           pytest -rP --verbose
diff --git a/.github/workflows/_lint_cc.yaml b/.github/workflows/_lint_cc.yaml
index 6d5b9110f..6b20b49dd 100644
--- a/.github/workflows/_lint_cc.yaml
+++ b/.github/workflows/_lint_cc.yaml
@@ -29,7 +29,6 @@ jobs:
         uses: actions/checkout@v3
         with:
           submodules: recursive
-          fetch-depth: 2
       - name: Create the Python virtual environment
         run: |
           python${{ inputs.py }} -m venv ~/venv
@@ -41,19 +40,23 @@ jobs:
             torch==${{ inputs.torch }}\
       - name: Install requirements
         run: |
-          pip install --requirement fairseq2n/python/requirements-build.txt
+          pip install --requirement native/python/requirements-build.txt
       - name: Build the compilation database
         id: setup
-        working-directory: fairseq2n
+        working-directory: native
         run: |
           # Since we are only building the compilation database, we can ignore
           # CUDA compatibility.
           export CUDAFLAGS="--allow-unsupported-compiler"
 
-          CC=clang CXX=clang++ cmake -GNinja -DCMAKE_BUILD_TYPE=Release -B build
+          # TODO: set FAIRSEQ2N_USE_CUDA once lint issues are fixed.
+          CC=clang CXX=clang++ cmake\
+             -GNinja -DFAIRSEQ2N_PYTHON_DEVEL=OFF -B build
+
+          cmake --build build
       - name: Run clang-tidy
         if: success() || (failure() && steps.setup.outcome == 'success')
-        working-directory: fairseq2n
+        working-directory: native
         run: |
           echo "::add-matcher::./ci/problem-matchers/gcc.json"
 
diff --git a/.github/workflows/_lint_py.yaml b/.github/workflows/_lint_py.yaml
index e2ba5e6ce..a54f63240 100644
--- a/.github/workflows/_lint_py.yaml
+++ b/.github/workflows/_lint_py.yaml
@@ -27,6 +27,8 @@ jobs:
     steps:
       - name: Check-out the repository
         uses: actions/checkout@v3
+        with:
+          submodules: recursive
       - name: Create the Python virtual environment
         run: |
           python${{ inputs.py }} -m venv ~/venv
@@ -38,12 +40,16 @@ jobs:
             torch==${{ inputs.torch }}
       - name: Install requirements
         run: |
-          pip install --requirement fairseq2n/python/requirements-build.txt
+          pip install --requirement native/python/requirements-build.txt
 
           pip install --requirement requirements-devel.txt
+      - name: Configure fairseq2n
+        working-directory: native
+        run: |
+          cmake -GNinja -B build
       - name: Install fairseq2n
         run: |
-          pip install --editable fairseq2n/python
+          pip install --editable native/python
       - name: Install fairseq2
         id: install_fairseq2
         run: |
@@ -100,7 +106,6 @@ jobs:
           trap remove_matcher EXIT
 
           mypy
-          mypy setup.py
-          mypy fairseq2n/python/setup.py
+          mypy native/python
           mypy recipes/llama
           mypy recipes/mistral
diff --git a/.github/workflows/_publish_pypi.yaml b/.github/workflows/_publish_pypi.yaml
index 2222fc551..99e3ace2c 100644
--- a/.github/workflows/_publish_pypi.yaml
+++ b/.github/workflows/_publish_pypi.yaml
@@ -42,7 +42,7 @@ jobs:
       - name: Publish fairseq2n
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
-            packages-dir: artifacts/fairseq2n/python/build/wheelhouse
+            packages-dir: artifacts/native/python/build/wheelhouse
       - name: Publish fairseq2
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
diff --git a/.github/workflows/_publish_s3.yaml b/.github/workflows/_publish_s3.yaml
index 8e7977462..1e8dee25b 100644
--- a/.github/workflows/_publish_s3.yaml
+++ b/.github/workflows/_publish_s3.yaml
@@ -68,7 +68,7 @@ jobs:
           echo S3_PREFIX=$s3_prefix >> "$GITHUB_ENV"
       - name: Upload wheel
         run: |
-          for pkg in ~/artifacts/fairseq2n/python/build/wheelhouse/*.whl; do
+          for pkg in ~/artifacts/native/python/build/wheelhouse/*.whl; do
             aws s3 cp "$pkg" s3://$S3_BUCKET/$S3_PREFIX/fairseq2n/
           done
 
diff --git a/.gitmodules b/.gitmodules
index a24eaad1b..b140f38b1 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,28 +1,28 @@
 [submodule "third-party/pybind11"]
-	path = fairseq2n/third-party/pybind11
+	path = native/third-party/pybind11
 	url = https://github.com/pybind/pybind11.git
 	ignore = dirty
 [submodule "third-party/fmt"]
-	path = fairseq2n/third-party/fmt
+	path = native/third-party/fmt
 	url = https://github.com/fmtlib/fmt.git
 	ignore = dirty
 [submodule "third-party/gtest"]
-	path = fairseq2n/third-party/gtest
+	path = native/third-party/gtest
 	url = https://github.com/google/googletest.git
 	ignore = dirty
 [submodule "third-party/sentencepiece"]
-	path = fairseq2n/third-party/sentencepiece
+	path = native/third-party/sentencepiece
 	url = https://github.com/google/sentencepiece.git
 	ignore = dirty
 [submodule "third-party/zip"]
-	path = fairseq2n/third-party/zip
+	path = native/third-party/zip
 	url = https://github.com/kuba--/zip.git
 	ignore = dirty
 [submodule "third-party/kaldi-native-fbank"]
-	path = fairseq2n/third-party/kaldi-native-fbank
+	path = native/third-party/kaldi-native-fbank
 	url = https://github.com/csukuangfj/kaldi-native-fbank.git
 	ignore = dirty
 [submodule "fairseq2n/third-party/libpng"]
-	path = fairseq2n/third-party/libpng
+	path = native/third-party/libpng
 	url = https://github.com/glennrp/libpng.git
 	ignore = dirty
diff --git a/doc/conf.py b/doc/conf.py
index 125812919..346755ee9 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -4,9 +4,9 @@
 # This source code is licensed under the BSD-style license found in the
 # LICENSE file in the root directory of this source tree.
 
-import fairseq2n.config
+import fairseq2n
 
-fairseq2n.config.DOC_MODE = True
+fairseq2n.DOC_MODE = True
 
 import fairseq2
 
diff --git a/fairseq2n/python/src/fairseq2n/config.py b/fairseq2n/python/src/fairseq2n/config.py
deleted file mode 100644
index 53fbfcf16..000000000
--- a/fairseq2n/python/src/fairseq2n/config.py
+++ /dev/null
@@ -1,13 +0,0 @@
-# Copyright (c) Meta Platforms, Inc. and affiliates.
-# All rights reserved.
-#
-# This source code is licensed under the BSD-style license found in the
-# LICENSE file in the root directory of this source tree.
-
-from typing import Final
-
-DOC_MODE: Final = False
-
-_SUPPORTS_IMAGE: Final = False
-
-_SUPPORTS_CUDA: Final = False
diff --git a/fairseq2n/.clang-format b/native/.clang-format
similarity index 100%
rename from fairseq2n/.clang-format
rename to native/.clang-format
diff --git a/fairseq2n/.clang-tidy b/native/.clang-tidy
similarity index 100%
rename from fairseq2n/.clang-tidy
rename to native/.clang-tidy
diff --git a/fairseq2n/CMakeLists.txt b/native/CMakeLists.txt
similarity index 100%
rename from fairseq2n/CMakeLists.txt
rename to native/CMakeLists.txt
diff --git a/fairseq2n/LSan.supp b/native/LSan.supp
similarity index 100%
rename from fairseq2n/LSan.supp
rename to native/LSan.supp
diff --git a/fairseq2n/README.md b/native/README.md
similarity index 100%
rename from fairseq2n/README.md
rename to native/README.md
diff --git a/fairseq2n/cmake/base.cmake b/native/cmake/base.cmake
similarity index 100%
rename from fairseq2n/cmake/base.cmake
rename to native/cmake/base.cmake
diff --git a/fairseq2n/cmake/modules/FindClangTidy.cmake b/native/cmake/modules/FindClangTidy.cmake
similarity index 100%
rename from fairseq2n/cmake/modules/FindClangTidy.cmake
rename to native/cmake/modules/FindClangTidy.cmake
diff --git a/fairseq2n/cmake/modules/FindSndFile.cmake b/native/cmake/modules/FindSndFile.cmake
similarity index 100%
rename from fairseq2n/cmake/modules/FindSndFile.cmake
rename to native/cmake/modules/FindSndFile.cmake
diff --git a/fairseq2n/cmake/modules/FindTBB.cmake b/native/cmake/modules/FindTBB.cmake
similarity index 100%
rename from fairseq2n/cmake/modules/FindTBB.cmake
rename to native/cmake/modules/FindTBB.cmake
diff --git a/fairseq2n/cmake/modules/FindTorch.cmake b/native/cmake/modules/FindTorch.cmake
similarity index 100%
rename from fairseq2n/cmake/modules/FindTorch.cmake
rename to native/cmake/modules/FindTorch.cmake
diff --git a/fairseq2n/cmake/summary.cmake b/native/cmake/summary.cmake
similarity index 100%
rename from fairseq2n/cmake/summary.cmake
rename to native/cmake/summary.cmake
diff --git a/fairseq2n/python/requirements-build.txt b/native/python/requirements-build.txt
similarity index 100%
rename from fairseq2n/python/requirements-build.txt
rename to native/python/requirements-build.txt
diff --git a/fairseq2n/python/setup.py b/native/python/setup.py
similarity index 100%
rename from fairseq2n/python/setup.py
rename to native/python/setup.py
diff --git a/fairseq2n/python/src/fairseq2n/.gitignore b/native/python/src/fairseq2n/.gitignore
similarity index 100%
rename from fairseq2n/python/src/fairseq2n/.gitignore
rename to native/python/src/fairseq2n/.gitignore
diff --git a/fairseq2n/python/src/fairseq2n/CMakeLists.txt b/native/python/src/fairseq2n/CMakeLists.txt
similarity index 85%
rename from fairseq2n/python/src/fairseq2n/CMakeLists.txt
rename to native/python/src/fairseq2n/CMakeLists.txt
index 085b50545..94a92fd30 100644
--- a/fairseq2n/python/src/fairseq2n/CMakeLists.txt
+++ b/native/python/src/fairseq2n/CMakeLists.txt
@@ -18,8 +18,12 @@ endif()
 
 if(FAIRSEQ2N_USE_CUDA)
     set(USES_CUDA "True")
+
+    set(CUDA_VERSION "(${CUDAToolkit_VERSION_MAJOR}, ${CUDAToolkit_VERSION_MINOR})")
 else()
     set(USES_CUDA "False")
+
+    set(CUDA_VERSION "None")
 endif()
 
 configure_file(config.py.in ${CMAKE_CURRENT_SOURCE_DIR}/config.py @ONLY)
diff --git a/fairseq2n/python/src/fairseq2n/__init__.py b/native/python/src/fairseq2n/__init__.py
similarity index 84%
rename from fairseq2n/python/src/fairseq2n/__init__.py
rename to native/python/src/fairseq2n/__init__.py
index beb92c298..011c53345 100644
--- a/fairseq2n/python/src/fairseq2n/__init__.py
+++ b/native/python/src/fairseq2n/__init__.py
@@ -13,10 +13,13 @@
 from pathlib import Path
 from typing import TYPE_CHECKING, List, Optional, Tuple
 
-from fairseq2n.config import _SUPPORTS_CUDA, _SUPPORTS_IMAGE, DOC_MODE
+from fairseq2n.config import _CUDA_VERSION, _SUPPORTS_CUDA, _SUPPORTS_IMAGE
 
 __version__ = "0.2.1.dev0"
 
+# Indicates whether we are run under Sphinx.
+DOC_MODE = False
+
 
 # Keeps the shared libraries that we load using our own extended lookup logic
 # in memory.
@@ -116,10 +119,16 @@ def _check_cuda_runtime() -> None:
     if not _SUPPORTS_CUDA:
         return
 
+    assert _CUDA_VERSION is not None
+
+    major_cuda_ver, minor_cuda_ver = _CUDA_VERSION
+
     libcudart = _load_shared_library("libcudart.so")
     if libcudart is None:
+        cuda = f"CUDA {major_cuda_ver}.{minor_cuda_ver}"
+
         raise OSError(
-            "fairseq2 is built with CUDA, but the CUDA runtime cannot be found. Either install the CUDA Toolkit or a CPU-only version of fairseq2 (see https://github.com/facebookresearch/fairseq2#variants)."
+            f"fairseq2 is built with {cuda}, but {cuda} runtime cannot be found on your system. Either install {cuda} Toolkit or a CPU-only version of fairseq2 (see https://github.com/facebookresearch/fairseq2#variants)."
         )
 
 
@@ -138,7 +147,7 @@ def get_include() -> Path:
 
 def get_cmake_prefix_path() -> Path:
     """Return the directory that contains fairseq2n CMake package."""
-    return Path(__file__).parent.joinpath("lib", "cmake")
+    return Path(__file__).parent.joinpath("lib/cmake")
 
 
 def supports_image() -> bool:
@@ -151,14 +160,10 @@ def supports_cuda() -> bool:
     return _SUPPORTS_CUDA
 
 
-if TYPE_CHECKING or DOC_MODE:
-
-    def cuda_version() -> Optional[Tuple[int, int]]:
-        """Return the version of CUDA that fairseq2n supports.
-
-        :returns:
-            The major and minor version segments.
-        """
+def cuda_version() -> Optional[Tuple[int, int]]:
+    """Return the version of CUDA that fairseq2n supports.
 
-else:
-    from fairseq2n.bindings import cuda_version as cuda_version
+    :returns:
+        The major and minor version segments.
+    """
+    return _CUDA_VERSION
diff --git a/fairseq2n/python/src/fairseq2n/bindings/CMakeLists.txt b/native/python/src/fairseq2n/bindings/CMakeLists.txt
similarity index 100%
rename from fairseq2n/python/src/fairseq2n/bindings/CMakeLists.txt
rename to native/python/src/fairseq2n/bindings/CMakeLists.txt
diff --git a/fairseq2n/python/src/fairseq2n/bindings/data/audio.cc b/native/python/src/fairseq2n/bindings/data/audio.cc
similarity index 100%
rename from fairseq2n/python/src/fairseq2n/bindings/data/audio.cc
rename to native/python/src/fairseq2n/bindings/data/audio.cc
diff --git a/fairseq2n/python/src/fairseq2n/bindings/data/data_pipeline.cc b/native/python/src/fairseq2n/bindings/data/data_pipeline.cc
similarity index 100%
rename from fairseq2n/python/src/fairseq2n/bindings/data/data_pipeline.cc
rename to native/python/src/fairseq2n/bindings/data/data_pipeline.cc
diff --git a/fairseq2n/python/src/fairseq2n/bindings/data/image.cc b/native/python/src/fairseq2n/bindings/data/image.cc
similarity index 100%
rename from fairseq2n/python/src/fairseq2n/bindings/data/image.cc
rename to native/python/src/fairseq2n/bindings/data/image.cc
diff --git a/fairseq2n/python/src/fairseq2n/bindings/data/init.cc b/native/python/src/fairseq2n/bindings/data/init.cc
similarity index 100%
rename from fairseq2n/python/src/fairseq2n/bindings/data/init.cc
rename to native/python/src/fairseq2n/bindings/data/init.cc
diff --git a/fairseq2n/python/src/fairseq2n/bindings/data/string.cc b/native/python/src/fairseq2n/bindings/data/string.cc
similarity index 100%
rename from fairseq2n/python/src/fairseq2n/bindings/data/string.cc
rename to native/python/src/fairseq2n/bindings/data/string.cc
diff --git a/fairseq2n/python/src/fairseq2n/bindings/data/text/converters.cc b/native/python/src/fairseq2n/bindings/data/text/converters.cc
similarity index 100%
rename from fairseq2n/python/src/fairseq2n/bindings/data/text/converters.cc
rename to native/python/src/fairseq2n/bindings/data/text/converters.cc
diff --git a/fairseq2n/python/src/fairseq2n/bindings/data/text/init.cc b/native/python/src/fairseq2n/bindings/data/text/init.cc
similarity index 100%
rename from fairseq2n/python/src/fairseq2n/bindings/data/text/init.cc
rename to native/python/src/fairseq2n/bindings/data/text/init.cc
diff --git a/fairseq2n/python/src/fairseq2n/bindings/data/text/sentencepiece.cc b/native/python/src/fairseq2n/bindings/data/text/sentencepiece.cc
similarity index 100%
rename from fairseq2n/python/src/fairseq2n/bindings/data/text/sentencepiece.cc
rename to native/python/src/fairseq2n/bindings/data/text/sentencepiece.cc
diff --git a/fairseq2n/python/src/fairseq2n/bindings/data/text/text_reader.cc b/native/python/src/fairseq2n/bindings/data/text/text_reader.cc
similarity index 100%
rename from fairseq2n/python/src/fairseq2n/bindings/data/text/text_reader.cc
rename to native/python/src/fairseq2n/bindings/data/text/text_reader.cc
diff --git a/fairseq2n/python/src/fairseq2n/bindings/init.cc b/native/python/src/fairseq2n/bindings/init.cc
similarity index 50%
rename from fairseq2n/python/src/fairseq2n/bindings/init.cc
rename to native/python/src/fairseq2n/bindings/init.cc
index 6548f15a0..c354b0ccf 100644
--- a/fairseq2n/python/src/fairseq2n/bindings/init.cc
+++ b/native/python/src/fairseq2n/bindings/init.cc
@@ -6,8 +6,6 @@
 
 #include "fairseq2n/bindings/module.h"
 
-#include <fairseq2n/config.h>
-
 namespace py = pybind11;
 
 namespace fairseq2n {
@@ -17,22 +15,6 @@ PYBIND11_MODULE(bindings, m)
     py::options opts{};
     opts.disable_function_signatures();
 
-// See https://github.com/llvm/llvm-project/issues/57123.
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wunreachable-code-return"
-
-    m.def(
-        "cuda_version",
-        []
-        {
-          if constexpr (cuda_version_major)
-              return py::make_tuple(*cuda_version_major, *cuda_version_minor);
-          else
-              return py::none();
-        });
-
-#pragma clang diagnostic pop
-
     def_data(m);
 
     def_memory(m);
diff --git a/fairseq2n/python/src/fairseq2n/bindings/memory.cc b/native/python/src/fairseq2n/bindings/memory.cc
similarity index 100%
rename from fairseq2n/python/src/fairseq2n/bindings/memory.cc
rename to native/python/src/fairseq2n/bindings/memory.cc
diff --git a/fairseq2n/python/src/fairseq2n/bindings/module.h b/native/python/src/fairseq2n/bindings/module.h
similarity index 100%
rename from fairseq2n/python/src/fairseq2n/bindings/module.h
rename to native/python/src/fairseq2n/bindings/module.h
diff --git a/fairseq2n/python/src/fairseq2n/bindings/type_casters/data.cc b/native/python/src/fairseq2n/bindings/type_casters/data.cc
similarity index 100%
rename from fairseq2n/python/src/fairseq2n/bindings/type_casters/data.cc
rename to native/python/src/fairseq2n/bindings/type_casters/data.cc
diff --git a/fairseq2n/python/src/fairseq2n/bindings/type_casters/data.h b/native/python/src/fairseq2n/bindings/type_casters/data.h
similarity index 100%
rename from fairseq2n/python/src/fairseq2n/bindings/type_casters/data.h
rename to native/python/src/fairseq2n/bindings/type_casters/data.h
diff --git a/fairseq2n/python/src/fairseq2n/bindings/type_casters/map_fn.cc b/native/python/src/fairseq2n/bindings/type_casters/map_fn.cc
similarity index 100%
rename from fairseq2n/python/src/fairseq2n/bindings/type_casters/map_fn.cc
rename to native/python/src/fairseq2n/bindings/type_casters/map_fn.cc
diff --git a/fairseq2n/python/src/fairseq2n/bindings/type_casters/map_fn.h b/native/python/src/fairseq2n/bindings/type_casters/map_fn.h
similarity index 100%
rename from fairseq2n/python/src/fairseq2n/bindings/type_casters/map_fn.h
rename to native/python/src/fairseq2n/bindings/type_casters/map_fn.h
diff --git a/fairseq2n/python/src/fairseq2n/bindings/type_casters/py.h b/native/python/src/fairseq2n/bindings/type_casters/py.h
similarity index 100%
rename from fairseq2n/python/src/fairseq2n/bindings/type_casters/py.h
rename to native/python/src/fairseq2n/bindings/type_casters/py.h
diff --git a/fairseq2n/python/src/fairseq2n/bindings/type_casters/string.cc b/native/python/src/fairseq2n/bindings/type_casters/string.cc
similarity index 100%
rename from fairseq2n/python/src/fairseq2n/bindings/type_casters/string.cc
rename to native/python/src/fairseq2n/bindings/type_casters/string.cc
diff --git a/fairseq2n/python/src/fairseq2n/bindings/type_casters/string.h b/native/python/src/fairseq2n/bindings/type_casters/string.h
similarity index 100%
rename from fairseq2n/python/src/fairseq2n/bindings/type_casters/string.h
rename to native/python/src/fairseq2n/bindings/type_casters/string.h
diff --git a/fairseq2n/python/src/fairseq2n/bindings/type_casters/torch.cc b/native/python/src/fairseq2n/bindings/type_casters/torch.cc
similarity index 100%
rename from fairseq2n/python/src/fairseq2n/bindings/type_casters/torch.cc
rename to native/python/src/fairseq2n/bindings/type_casters/torch.cc
diff --git a/fairseq2n/python/src/fairseq2n/bindings/type_casters/torch.h b/native/python/src/fairseq2n/bindings/type_casters/torch.h
similarity index 100%
rename from fairseq2n/python/src/fairseq2n/bindings/type_casters/torch.h
rename to native/python/src/fairseq2n/bindings/type_casters/torch.h
diff --git a/fairseq2n/python/src/fairseq2n/config.py.in b/native/python/src/fairseq2n/config.py.in
similarity index 89%
rename from fairseq2n/python/src/fairseq2n/config.py.in
rename to native/python/src/fairseq2n/config.py.in
index 031f35a80..39a1a0584 100644
--- a/fairseq2n/python/src/fairseq2n/config.py.in
+++ b/native/python/src/fairseq2n/config.py.in
@@ -6,8 +6,8 @@
 
 from typing import Final
 
-DOC_MODE: Final = False
-
 _SUPPORTS_IMAGE: Final = @SUPPORTS_IMAGE@
 
 _SUPPORTS_CUDA: Final = @USES_CUDA@
+
+_CUDA_VERSION: Final = @CUDA_VERSION@
diff --git a/native/python/src/fairseq2n/py.typed b/native/python/src/fairseq2n/py.typed
new file mode 100644
index 000000000..e69de29bb
diff --git a/fairseq2n/src/fairseq2n-config.cmake.in b/native/src/fairseq2n-config.cmake.in
similarity index 100%
rename from fairseq2n/src/fairseq2n-config.cmake.in
rename to native/src/fairseq2n-config.cmake.in
diff --git a/fairseq2n/src/fairseq2n/CMakeLists.txt b/native/src/fairseq2n/CMakeLists.txt
similarity index 100%
rename from fairseq2n/src/fairseq2n/CMakeLists.txt
rename to native/src/fairseq2n/CMakeLists.txt
diff --git a/fairseq2n/src/fairseq2n/api.h b/native/src/fairseq2n/api.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/api.h
rename to native/src/fairseq2n/api.h
diff --git a/fairseq2n/src/fairseq2n/config.h.in b/native/src/fairseq2n/config.h.in
similarity index 100%
rename from fairseq2n/src/fairseq2n/config.h.in
rename to native/src/fairseq2n/config.h.in
diff --git a/fairseq2n/src/fairseq2n/data/audio/audio_decoder.cc b/native/src/fairseq2n/data/audio/audio_decoder.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/audio/audio_decoder.cc
rename to native/src/fairseq2n/data/audio/audio_decoder.cc
diff --git a/fairseq2n/src/fairseq2n/data/audio/audio_decoder.h b/native/src/fairseq2n/data/audio/audio_decoder.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/audio/audio_decoder.h
rename to native/src/fairseq2n/data/audio/audio_decoder.h
diff --git a/fairseq2n/src/fairseq2n/data/audio/detail/kaldi_fbank.cc b/native/src/fairseq2n/data/audio/detail/kaldi_fbank.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/audio/detail/kaldi_fbank.cc
rename to native/src/fairseq2n/data/audio/detail/kaldi_fbank.cc
diff --git a/fairseq2n/src/fairseq2n/data/audio/detail/kaldi_fbank.h b/native/src/fairseq2n/data/audio/detail/kaldi_fbank.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/audio/detail/kaldi_fbank.h
rename to native/src/fairseq2n/data/audio/detail/kaldi_fbank.h
diff --git a/fairseq2n/src/fairseq2n/data/audio/detail/sndfile.cc b/native/src/fairseq2n/data/audio/detail/sndfile.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/audio/detail/sndfile.cc
rename to native/src/fairseq2n/data/audio/detail/sndfile.cc
diff --git a/fairseq2n/src/fairseq2n/data/audio/detail/sndfile.h b/native/src/fairseq2n/data/audio/detail/sndfile.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/audio/detail/sndfile.h
rename to native/src/fairseq2n/data/audio/detail/sndfile.h
diff --git a/fairseq2n/src/fairseq2n/data/audio/waveform_to_fbank_converter.cc b/native/src/fairseq2n/data/audio/waveform_to_fbank_converter.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/audio/waveform_to_fbank_converter.cc
rename to native/src/fairseq2n/data/audio/waveform_to_fbank_converter.cc
diff --git a/fairseq2n/src/fairseq2n/data/audio/waveform_to_fbank_converter.h b/native/src/fairseq2n/data/audio/waveform_to_fbank_converter.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/audio/waveform_to_fbank_converter.h
rename to native/src/fairseq2n/data/audio/waveform_to_fbank_converter.h
diff --git a/fairseq2n/src/fairseq2n/data/bucket_by_length_data_source.cc b/native/src/fairseq2n/data/bucket_by_length_data_source.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/bucket_by_length_data_source.cc
rename to native/src/fairseq2n/data/bucket_by_length_data_source.cc
diff --git a/fairseq2n/src/fairseq2n/data/bucket_by_length_data_source.h b/native/src/fairseq2n/data/bucket_by_length_data_source.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/bucket_by_length_data_source.h
rename to native/src/fairseq2n/data/bucket_by_length_data_source.h
diff --git a/fairseq2n/src/fairseq2n/data/bucket_data_source.cc b/native/src/fairseq2n/data/bucket_data_source.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/bucket_data_source.cc
rename to native/src/fairseq2n/data/bucket_data_source.cc
diff --git a/fairseq2n/src/fairseq2n/data/bucket_data_source.h b/native/src/fairseq2n/data/bucket_data_source.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/bucket_data_source.h
rename to native/src/fairseq2n/data/bucket_data_source.h
diff --git a/fairseq2n/src/fairseq2n/data/byte_stream.cc b/native/src/fairseq2n/data/byte_stream.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/byte_stream.cc
rename to native/src/fairseq2n/data/byte_stream.cc
diff --git a/fairseq2n/src/fairseq2n/data/byte_stream.h b/native/src/fairseq2n/data/byte_stream.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/byte_stream.h
rename to native/src/fairseq2n/data/byte_stream.h
diff --git a/fairseq2n/src/fairseq2n/data/collater.cc b/native/src/fairseq2n/data/collater.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/collater.cc
rename to native/src/fairseq2n/data/collater.cc
diff --git a/fairseq2n/src/fairseq2n/data/collater.h b/native/src/fairseq2n/data/collater.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/collater.h
rename to native/src/fairseq2n/data/collater.h
diff --git a/fairseq2n/src/fairseq2n/data/composite_data_source.cc b/native/src/fairseq2n/data/composite_data_source.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/composite_data_source.cc
rename to native/src/fairseq2n/data/composite_data_source.cc
diff --git a/fairseq2n/src/fairseq2n/data/composite_data_source.h b/native/src/fairseq2n/data/composite_data_source.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/composite_data_source.h
rename to native/src/fairseq2n/data/composite_data_source.h
diff --git a/fairseq2n/src/fairseq2n/data/concat_data_source.cc b/native/src/fairseq2n/data/concat_data_source.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/concat_data_source.cc
rename to native/src/fairseq2n/data/concat_data_source.cc
diff --git a/fairseq2n/src/fairseq2n/data/concat_data_source.h b/native/src/fairseq2n/data/concat_data_source.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/concat_data_source.h
rename to native/src/fairseq2n/data/concat_data_source.h
diff --git a/fairseq2n/src/fairseq2n/data/constant_data_source.cc b/native/src/fairseq2n/data/constant_data_source.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/constant_data_source.cc
rename to native/src/fairseq2n/data/constant_data_source.cc
diff --git a/fairseq2n/src/fairseq2n/data/constant_data_source.h b/native/src/fairseq2n/data/constant_data_source.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/constant_data_source.h
rename to native/src/fairseq2n/data/constant_data_source.h
diff --git a/fairseq2n/src/fairseq2n/data/count_data_source.cc b/native/src/fairseq2n/data/count_data_source.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/count_data_source.cc
rename to native/src/fairseq2n/data/count_data_source.cc
diff --git a/fairseq2n/src/fairseq2n/data/count_data_source.h b/native/src/fairseq2n/data/count_data_source.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/count_data_source.h
rename to native/src/fairseq2n/data/count_data_source.h
diff --git a/fairseq2n/src/fairseq2n/data/data.cc b/native/src/fairseq2n/data/data.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/data.cc
rename to native/src/fairseq2n/data/data.cc
diff --git a/fairseq2n/src/fairseq2n/data/data.h b/native/src/fairseq2n/data/data.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/data.h
rename to native/src/fairseq2n/data/data.h
diff --git a/fairseq2n/src/fairseq2n/data/data_length_extractor.cc b/native/src/fairseq2n/data/data_length_extractor.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/data_length_extractor.cc
rename to native/src/fairseq2n/data/data_length_extractor.cc
diff --git a/fairseq2n/src/fairseq2n/data/data_length_extractor.h b/native/src/fairseq2n/data/data_length_extractor.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/data_length_extractor.h
rename to native/src/fairseq2n/data/data_length_extractor.h
diff --git a/fairseq2n/src/fairseq2n/data/data_pipeline.cc b/native/src/fairseq2n/data/data_pipeline.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/data_pipeline.cc
rename to native/src/fairseq2n/data/data_pipeline.cc
diff --git a/fairseq2n/src/fairseq2n/data/data_pipeline.h b/native/src/fairseq2n/data/data_pipeline.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/data_pipeline.h
rename to native/src/fairseq2n/data/data_pipeline.h
diff --git a/fairseq2n/src/fairseq2n/data/data_source.cc b/native/src/fairseq2n/data/data_source.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/data_source.cc
rename to native/src/fairseq2n/data/data_source.cc
diff --git a/fairseq2n/src/fairseq2n/data/data_source.h b/native/src/fairseq2n/data/data_source.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/data_source.h
rename to native/src/fairseq2n/data/data_source.h
diff --git a/fairseq2n/src/fairseq2n/data/detail/exception.h b/native/src/fairseq2n/data/detail/exception.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/detail/exception.h
rename to native/src/fairseq2n/data/detail/exception.h
diff --git a/fairseq2n/src/fairseq2n/data/detail/file.cc b/native/src/fairseq2n/data/detail/file.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/detail/file.cc
rename to native/src/fairseq2n/data/detail/file.cc
diff --git a/fairseq2n/src/fairseq2n/data/detail/file.h b/native/src/fairseq2n/data/detail/file.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/detail/file.h
rename to native/src/fairseq2n/data/detail/file.h
diff --git a/fairseq2n/src/fairseq2n/data/detail/file_system.cc b/native/src/fairseq2n/data/detail/file_system.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/detail/file_system.cc
rename to native/src/fairseq2n/data/detail/file_system.cc
diff --git a/fairseq2n/src/fairseq2n/data/detail/file_system.h b/native/src/fairseq2n/data/detail/file_system.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/detail/file_system.h
rename to native/src/fairseq2n/data/detail/file_system.h
diff --git a/fairseq2n/src/fairseq2n/data/detail/lru_cache.h b/native/src/fairseq2n/data/detail/lru_cache.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/detail/lru_cache.h
rename to native/src/fairseq2n/data/detail/lru_cache.h
diff --git a/fairseq2n/src/fairseq2n/data/detail/tensor_helpers.h b/native/src/fairseq2n/data/detail/tensor_helpers.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/detail/tensor_helpers.h
rename to native/src/fairseq2n/data/detail/tensor_helpers.h
diff --git a/fairseq2n/src/fairseq2n/data/detail/thread.h b/native/src/fairseq2n/data/detail/thread.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/detail/thread.h
rename to native/src/fairseq2n/data/detail/thread.h
diff --git a/fairseq2n/src/fairseq2n/data/element_mapper.cc b/native/src/fairseq2n/data/element_mapper.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/element_mapper.cc
rename to native/src/fairseq2n/data/element_mapper.cc
diff --git a/fairseq2n/src/fairseq2n/data/element_mapper.h b/native/src/fairseq2n/data/element_mapper.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/element_mapper.h
rename to native/src/fairseq2n/data/element_mapper.h
diff --git a/fairseq2n/src/fairseq2n/data/element_selector.cc b/native/src/fairseq2n/data/element_selector.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/element_selector.cc
rename to native/src/fairseq2n/data/element_selector.cc
diff --git a/fairseq2n/src/fairseq2n/data/element_selector.h b/native/src/fairseq2n/data/element_selector.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/element_selector.h
rename to native/src/fairseq2n/data/element_selector.h
diff --git a/fairseq2n/src/fairseq2n/data/file.cc b/native/src/fairseq2n/data/file.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/file.cc
rename to native/src/fairseq2n/data/file.cc
diff --git a/fairseq2n/src/fairseq2n/data/file.h b/native/src/fairseq2n/data/file.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/file.h
rename to native/src/fairseq2n/data/file.h
diff --git a/fairseq2n/src/fairseq2n/data/file_mapper.cc b/native/src/fairseq2n/data/file_mapper.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/file_mapper.cc
rename to native/src/fairseq2n/data/file_mapper.cc
diff --git a/fairseq2n/src/fairseq2n/data/file_mapper.h b/native/src/fairseq2n/data/file_mapper.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/file_mapper.h
rename to native/src/fairseq2n/data/file_mapper.h
diff --git a/fairseq2n/src/fairseq2n/data/file_stream.cc b/native/src/fairseq2n/data/file_stream.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/file_stream.cc
rename to native/src/fairseq2n/data/file_stream.cc
diff --git a/fairseq2n/src/fairseq2n/data/file_stream.h b/native/src/fairseq2n/data/file_stream.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/file_stream.h
rename to native/src/fairseq2n/data/file_stream.h
diff --git a/fairseq2n/src/fairseq2n/data/filter_data_source.cc b/native/src/fairseq2n/data/filter_data_source.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/filter_data_source.cc
rename to native/src/fairseq2n/data/filter_data_source.cc
diff --git a/fairseq2n/src/fairseq2n/data/filter_data_source.h b/native/src/fairseq2n/data/filter_data_source.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/filter_data_source.h
rename to native/src/fairseq2n/data/filter_data_source.h
diff --git a/fairseq2n/src/fairseq2n/data/image/detail/jpeg_decompress_struct.cc b/native/src/fairseq2n/data/image/detail/jpeg_decompress_struct.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/image/detail/jpeg_decompress_struct.cc
rename to native/src/fairseq2n/data/image/detail/jpeg_decompress_struct.cc
diff --git a/fairseq2n/src/fairseq2n/data/image/detail/jpeg_decompress_struct.h b/native/src/fairseq2n/data/image/detail/jpeg_decompress_struct.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/image/detail/jpeg_decompress_struct.h
rename to native/src/fairseq2n/data/image/detail/jpeg_decompress_struct.h
diff --git a/fairseq2n/src/fairseq2n/data/image/detail/png_read_struct.cc b/native/src/fairseq2n/data/image/detail/png_read_struct.cc
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/image/detail/png_read_struct.cc
rename to native/src/fairseq2n/data/image/detail/png_read_struct.cc
diff --git a/fairseq2n/src/fairseq2n/data/image/detail/png_read_struct.h b/native/src/fairseq2n/data/image/detail/png_read_struct.h
similarity index 100%
rename from fairseq2n/src/fairseq2n/data/image/detail/png_read_struct.h
rename to native/src/fairseq2n/data/image/detail/png_read_struct.h
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rename from fairseq2n/tests/data/test_immutable_string.cc
rename to native/tests/data/test_immutable_string.cc
diff --git a/fairseq2n/tests/data/test_tape.cc b/native/tests/data/test_tape.cc
similarity index 100%
rename from fairseq2n/tests/data/test_tape.cc
rename to native/tests/data/test_tape.cc
diff --git a/fairseq2n/tests/test_float.cc b/native/tests/test_float.cc
similarity index 100%
rename from fairseq2n/tests/test_float.cc
rename to native/tests/test_float.cc
diff --git a/fairseq2n/tests/test_memory.cc b/native/tests/test_memory.cc
similarity index 100%
rename from fairseq2n/tests/test_memory.cc
rename to native/tests/test_memory.cc
diff --git a/fairseq2n/tests/test_span.cc b/native/tests/test_span.cc
similarity index 100%
rename from fairseq2n/tests/test_span.cc
rename to native/tests/test_span.cc
diff --git a/fairseq2n/tests/utils/test_cast.cc b/native/tests/utils/test_cast.cc
similarity index 100%
rename from fairseq2n/tests/utils/test_cast.cc
rename to native/tests/utils/test_cast.cc
diff --git a/fairseq2n/third-party/CMakeLists.txt b/native/third-party/CMakeLists.txt
similarity index 100%
rename from fairseq2n/third-party/CMakeLists.txt
rename to native/third-party/CMakeLists.txt
diff --git a/fairseq2n/third-party/fmt b/native/third-party/fmt
similarity index 100%
rename from fairseq2n/third-party/fmt
rename to native/third-party/fmt
diff --git a/fairseq2n/third-party/fmt.cmake b/native/third-party/fmt.cmake
similarity index 100%
rename from fairseq2n/third-party/fmt.cmake
rename to native/third-party/fmt.cmake
diff --git a/fairseq2n/third-party/gtest b/native/third-party/gtest
similarity index 100%
rename from fairseq2n/third-party/gtest
rename to native/third-party/gtest
diff --git a/fairseq2n/third-party/gtest.cmake b/native/third-party/gtest.cmake
similarity index 100%
rename from fairseq2n/third-party/gtest.cmake
rename to native/third-party/gtest.cmake
diff --git a/fairseq2n/third-party/kaldi-native-fbank b/native/third-party/kaldi-native-fbank
similarity index 100%
rename from fairseq2n/third-party/kaldi-native-fbank
rename to native/third-party/kaldi-native-fbank
diff --git a/fairseq2n/third-party/kaldi-native-fbank.cmake b/native/third-party/kaldi-native-fbank.cmake
similarity index 100%
rename from fairseq2n/third-party/kaldi-native-fbank.cmake
rename to native/third-party/kaldi-native-fbank.cmake
diff --git a/fairseq2n/third-party/kaldi-native-fbank.patch b/native/third-party/kaldi-native-fbank.patch
similarity index 100%
rename from fairseq2n/third-party/kaldi-native-fbank.patch
rename to native/third-party/kaldi-native-fbank.patch
diff --git a/fairseq2n/third-party/libjpeg-turbo.cmake b/native/third-party/libjpeg-turbo.cmake
similarity index 100%
rename from fairseq2n/third-party/libjpeg-turbo.cmake
rename to native/third-party/libjpeg-turbo.cmake
diff --git a/fairseq2n/third-party/libpng b/native/third-party/libpng
similarity index 100%
rename from fairseq2n/third-party/libpng
rename to native/third-party/libpng
diff --git a/fairseq2n/third-party/libpng.cmake b/native/third-party/libpng.cmake
similarity index 100%
rename from fairseq2n/third-party/libpng.cmake
rename to native/third-party/libpng.cmake
index bcd7c3597..6fd3bc561 100644
--- a/fairseq2n/third-party/libpng.cmake
+++ b/native/third-party/libpng.cmake
@@ -29,8 +29,8 @@ macro(fairseq2n_add_libpng)
 
         target_include_directories(png_static SYSTEM
             PUBLIC
-                ${PROJECT_SOURCE_DIR}/third-party/libpng
                 ${PROJECT_BINARY_DIR}/third-party/libpng
+                ${PROJECT_SOURCE_DIR}/third-party/libpng
         )
 
         unset(SKIP_INSTALL_ALL)
diff --git a/fairseq2n/third-party/natsort.cmake b/native/third-party/natsort.cmake
similarity index 100%
rename from fairseq2n/third-party/natsort.cmake
rename to native/third-party/natsort.cmake
diff --git a/fairseq2n/third-party/natsort/CMakeLists.txt b/native/third-party/natsort/CMakeLists.txt
similarity index 100%
rename from fairseq2n/third-party/natsort/CMakeLists.txt
rename to native/third-party/natsort/CMakeLists.txt
diff --git a/fairseq2n/third-party/natsort/strnatcmp.c b/native/third-party/natsort/strnatcmp.c
similarity index 100%
rename from fairseq2n/third-party/natsort/strnatcmp.c
rename to native/third-party/natsort/strnatcmp.c
diff --git a/fairseq2n/third-party/natsort/strnatcmp.h b/native/third-party/natsort/strnatcmp.h
similarity index 100%
rename from fairseq2n/third-party/natsort/strnatcmp.h
rename to native/third-party/natsort/strnatcmp.h
diff --git a/fairseq2n/third-party/pybind11 b/native/third-party/pybind11
similarity index 100%
rename from fairseq2n/third-party/pybind11
rename to native/third-party/pybind11
diff --git a/fairseq2n/third-party/pybind11.cmake b/native/third-party/pybind11.cmake
similarity index 100%
rename from fairseq2n/third-party/pybind11.cmake
rename to native/third-party/pybind11.cmake
diff --git a/fairseq2n/third-party/sentencepiece b/native/third-party/sentencepiece
similarity index 100%
rename from fairseq2n/third-party/sentencepiece
rename to native/third-party/sentencepiece
diff --git a/fairseq2n/third-party/sentencepiece.cmake b/native/third-party/sentencepiece.cmake
similarity index 100%
rename from fairseq2n/third-party/sentencepiece.cmake
rename to native/third-party/sentencepiece.cmake
diff --git a/fairseq2n/third-party/zip b/native/third-party/zip
similarity index 100%
rename from fairseq2n/third-party/zip
rename to native/third-party/zip
diff --git a/fairseq2n/third-party/zip.cmake b/native/third-party/zip.cmake
similarity index 100%
rename from fairseq2n/third-party/zip.cmake
rename to native/third-party/zip.cmake
diff --git a/pyproject.toml b/pyproject.toml
index bfb66eb43..72746098e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,7 +20,7 @@ profile = "black"
 disable_error_code = "type-abstract,typeddict-unknown-key"
 disallow_untyped_calls = false
 disallow_untyped_decorators = false
-files = "src,fairseq2n/python/src,tests"
+files = "setup.py,src,tests"
 ignore_missing_imports = true
 python_version = 3.8
 show_error_codes = true
diff --git a/src/fairseq2/data/audio.py b/src/fairseq2/data/audio.py
index 0fd775289..83329dce0 100644
--- a/src/fairseq2/data/audio.py
+++ b/src/fairseq2/data/audio.py
@@ -8,7 +8,7 @@
 
 from typing import TYPE_CHECKING, Optional, TypedDict, Union
 
-from fairseq2n.config import DOC_MODE
+from fairseq2n import DOC_MODE
 from torch import Tensor
 from typing_extensions import NotRequired
 
diff --git a/src/fairseq2/data/cstring.py b/src/fairseq2/data/cstring.py
index 9d0dd84b1..dd874acca 100644
--- a/src/fairseq2/data/cstring.py
+++ b/src/fairseq2/data/cstring.py
@@ -6,7 +6,7 @@
 
 from typing import TYPE_CHECKING, List, Optional, overload
 
-from fairseq2n.config import DOC_MODE
+from fairseq2n import DOC_MODE
 
 if TYPE_CHECKING or DOC_MODE:
 
diff --git a/src/fairseq2/data/data_pipeline.py b/src/fairseq2/data/data_pipeline.py
index 278e843a4..3ec8cb9cc 100644
--- a/src/fairseq2/data/data_pipeline.py
+++ b/src/fairseq2/data/data_pipeline.py
@@ -21,7 +21,7 @@
     Union,
 )
 
-from fairseq2n.config import DOC_MODE
+from fairseq2n import DOC_MODE
 from torch import Tensor
 from typing_extensions import Self
 
diff --git a/src/fairseq2/data/image.py b/src/fairseq2/data/image.py
index c99d941d3..d4b76d369 100644
--- a/src/fairseq2/data/image.py
+++ b/src/fairseq2/data/image.py
@@ -6,7 +6,7 @@
 
 from typing import TYPE_CHECKING, Optional, TypedDict
 
-from fairseq2n.config import DOC_MODE
+from fairseq2n import DOC_MODE
 from torch import Tensor
 
 from fairseq2.memory import MemoryBlock
diff --git a/src/fairseq2/data/text/converters.py b/src/fairseq2/data/text/converters.py
index 682169c61..8278f8729 100644
--- a/src/fairseq2/data/text/converters.py
+++ b/src/fairseq2/data/text/converters.py
@@ -6,7 +6,7 @@
 
 from typing import TYPE_CHECKING, Dict, List, Optional, Sequence, Union
 
-from fairseq2n.config import DOC_MODE
+from fairseq2n import DOC_MODE
 from torch import Tensor
 
 from fairseq2.data.typing import StringLike
diff --git a/src/fairseq2/data/text/sentencepiece.py b/src/fairseq2/data/text/sentencepiece.py
index 0d8071d9e..46bcd3163 100644
--- a/src/fairseq2/data/text/sentencepiece.py
+++ b/src/fairseq2/data/text/sentencepiece.py
@@ -6,7 +6,7 @@
 
 from typing import TYPE_CHECKING, List, Optional, Sequence, final
 
-from fairseq2n.config import DOC_MODE
+from fairseq2n import DOC_MODE
 from torch import Tensor
 
 from fairseq2.data.text.text_tokenizer import (
diff --git a/src/fairseq2/data/text/text_reader.py b/src/fairseq2/data/text/text_reader.py
index 7fedcded4..4a00f82fa 100644
--- a/src/fairseq2/data/text/text_reader.py
+++ b/src/fairseq2/data/text/text_reader.py
@@ -7,7 +7,7 @@
 from enum import Enum
 from typing import TYPE_CHECKING, Optional
 
-from fairseq2n.config import DOC_MODE
+from fairseq2n import DOC_MODE
 
 from fairseq2.data.data_pipeline import DataPipelineBuilder
 from fairseq2.data.typing import PathLike, StringLike
diff --git a/src/fairseq2/memory.py b/src/fairseq2/memory.py
index ce49f0d53..0c7eb5015 100644
--- a/src/fairseq2/memory.py
+++ b/src/fairseq2/memory.py
@@ -7,7 +7,7 @@
 from array import array
 from typing import TYPE_CHECKING, Optional, Union, overload
 
-from fairseq2n.config import DOC_MODE
+from fairseq2n import DOC_MODE
 from typing_extensions import TypeAlias
 
 Buffer: TypeAlias = Union[bytes, bytearray, memoryview, array]
diff --git a/tests/unit/data/image/test_image_decoder.py b/tests/unit/data/image/test_image_decoder.py
index 560af619b..c18d5b3e7 100644
--- a/tests/unit/data/image/test_image_decoder.py
+++ b/tests/unit/data/image/test_image_decoder.py
@@ -9,10 +9,10 @@
 
 import pytest
 import torch
+from fairseq2n import supports_image
 
 from fairseq2.data.image import ImageDecoder
 from fairseq2.memory import MemoryBlock
-from fairseq2n import supports_image
 from tests.common import assert_close, device
 
 TEST_PNG_PATH: Final = Path(__file__).parent.joinpath("test.png")
diff --git a/tools/set-project-version.sh b/tools/set-project-version.sh
index c28d33adf..468931b51 100755
--- a/tools/set-project-version.sh
+++ b/tools/set-project-version.sh
@@ -68,17 +68,17 @@ replace_match\
 
 # Update fairseq2n CMake project.
 replace_match\
-    "$base/fairseq2n/CMakeLists.txt"\
+    "$base/native/CMakeLists.txt"\
     "s/VERSION .* LANGUAGES/VERSION $mmm_ver LANGUAGES/"
 
 # Update fairseq2n Python distribution.
 replace_match\
-    "$base/fairseq2n/python/setup.py"\
+    "$base/native/python/setup.py"\
     "s/    version=\".*\",$/    version=\"$pep_ver\",/"
 
 # Update fairseq2n Python package.
 replace_match\
-    "$base/fairseq2n/python/src/fairseq2n/__init__.py"\
+    "$base/native/python/src/fairseq2n/__init__.py"\
     "s/^__version__ = \".*\"$/__version__ = \"$pep_ver\"/"
 
 # Update VERSION file.