diff --git a/.github/workflows/build_wheels.yml b/.github/workflows/build_wheels.yml
index 37cb843..e764edf 100644
--- a/.github/workflows/build_wheels.yml
+++ b/.github/workflows/build_wheels.yml
@@ -22,6 +22,13 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
+      - name: ccaches
+        uses: hendrikmuhs/ccache-action@v1.2
+        with:
+          create-symlink: true
+          key: ${{ github.job }}-ubuntu-latest
+          verbose: 2
+
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
@@ -60,192 +67,192 @@ jobs:
           path: ./quaddtype/wheelhouse/*.whl
           name: wheels-linux
 
-  build_wheels_macos:
-    name: Build wheels on ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [macos-13, macos-14]
-
-    steps:
-      - uses: actions/checkout@v3
-
-      - name: Set up Python
-        uses: actions/setup-python@v4
-        with:
-          python-version: ">=3.11.0"
-
-      - name: Install dependencies
-        run: |
-          packages="cmake libomp git"
-          echo "Remove preinstalled dependencies"
-          for pkg in $packages; do
-            brew uninstall --ignore-dependencies $pkg 2>/dev/null || true
-          done
-          brew cleanup
-          brew install $packages
-
-      - name: Installing Python dependencies
-        run: |
-          pip install -U pip
-          pip install cibuildwheel==3.1.4
-          pip install pytest-run-parallel
-
-      - name: Build wheels
-        env:
-          CIBW_BUILD: "cp310-* cp311-* cp312-* cp313-* cp314-* cp313t-* cp314t-*"
-          CIBW_ENABLE: cpython-prerelease cpython-freethreading
-          CIBW_ARCHS_MACOS: ${{ matrix.os == 'macos-13' && 'x86_64' || 'arm64' }}
-          CIBW_BUILD_VERBOSITY: "3"
-          CIBW_ENVIRONMENT: >
-            MACOSX_DEPLOYMENT_TARGET="${{ matrix.os == 'macos-13' && '13.0' || '14.0' }}"
-          CIBW_REPAIR_WHEEL_COMMAND: >
-            delocate-wheel --require-archs {delocate_archs} -w {dest_dir} -v {wheel}
-          CIBW_TEST_COMMAND: |
-            pip install {package}[test]
-            if python -c "import sys; exit(0 if hasattr(sys, '_is_gil_enabled') and not sys._is_gil_enabled() else 1)"; then
-              pytest --parallel-threads=10 --iterations=10 {project}/tests
-            else
-              pytest -s {project}/tests
-            fi
-          CIBW_TEST_EXTRAS: "test"
-        run: |
-          python -m cibuildwheel --output-dir wheelhouse
-        working-directory: ./quaddtype
-
-      - uses: actions/upload-artifact@v4
-        with:
-          path: ./quaddtype/wheelhouse/*.whl
-          name: wheels-${{ matrix.os }}
-
-  # disabling QBLAS optimization for windows due to incompatibility with MSVC
-  build_wheels_windows:
-    name: Build wheels on Windows
-    runs-on: windows-latest
-    strategy:
-      matrix:
-        architecture: [x64]
-
-    steps:
-      - uses: actions/checkout@v3
-
-      - name: Setup MSVC
-        uses: ilammy/msvc-dev-cmd@v1
-        with:
-          arch: ${{ matrix.architecture }}
-
-      - name: Set up Python
-        uses: actions/setup-python@v4
-        with:
-          python-version: ">=3.11.0"
-          architecture: ${{ matrix.architecture }}
-
-      - name: Install CMake
-        uses: lukka/get-cmake@latest
-
-      - name: Install build dependencies
-        shell: bash -l {0}
-        run: |
-          pip install -U pip
-          pip install cibuildwheel==3.1.4 ninja meson meson-python numpy delvewheel pytest
-
-      - name: Build wheels
-        env:
-          CIBW_BUILD: "cp310-* cp311-* cp312-* cp313-* cp314-* cp313t-* cp314t-*"
-          CIBW_ENABLE: cpython-prerelease cpython-freethreading
-          CIBW_SKIP: "pp* cp36-* cp37-* cp38-* cp39-*"
-          CIBW_ARCHS_WINDOWS: ${{ matrix.architecture == 'x86' && 'x86' || 'AMD64' }}
-          CIBW_BUILD_VERBOSITY: "3"
-          DISTUTILS_USE_SDK: "1"
-          MSSdk: "1"
-          CIBW_BEFORE_BUILD: |
-            pip install meson meson-python ninja numpy
-          CIBW_ENVIRONMENT: >
-            CFLAGS="/DDISABLE_QUADBLAS $CFLAGS"
-            CXXFLAGS="/DDISABLE_QUADBLAS $CXXFLAGS"
-          CIBW_REPAIR_WHEEL_COMMAND: 'delvewheel repair -w {dest_dir} {wheel} --add-path C:\sleef\bin'
-          CIBW_TEST_COMMAND: |
-            pip install {package}[test]
-            if python -c "import sys; exit(0 if hasattr(sys, '_is_gil_enabled') and not sys._is_gil_enabled() else 1)"; then
-              pytest --parallel-threads=10 --iterations=10 {project}/tests
-            else
-              pytest -s {project}/tests
-            fi
-          CIBW_TEST_EXTRAS: test
-          CIBW_TEST_FAIL_FAST: 1
-        shell: pwsh
-        run: |
-          python -m cibuildwheel --output-dir wheelhouse
-          if (-not (Test-Path wheelhouse/*.whl)) { throw "Wheel was not created" }
-        working-directory: ./quaddtype
-
-      - uses: actions/upload-artifact@v4
-        with:
-          path: ./quaddtype/wheelhouse/*.whl
-          name: wheels-windows-${{ matrix.architecture }}
-
-  build_sdist:
-    name: Build SDist
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-
-      - name: Set up Python
-        uses: actions/setup-python@v4
-        with:
-          python-version: ">=3.11.0"
-
-      - name: Install system dependencies
-        run: |
-          sudo apt-get update -y
-          sudo apt-get install -y cmake gcc g++ make git pkg-config
-
-      - name: Install build dependencies
-        run: |
-          python -m pip install --upgrade pip
-          python -m pip install build pytest
-
-      - name: Build SDist & test sdist
-        env:
-          LDFLAGS: "-fopenmp"
-        run: |
-          python -m build --sdist --outdir dist/
-          pip install dist/*.tar.gz -v
-          pytest -s tests
-        working-directory: ./quaddtype
-
-      - name: Upload SDist artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: sdist
-          path: ./quaddtype/dist/*.tar.gz
-
-  publish_to_pypi:
-    name: Publish to PyPI
-    needs:
-      [
-        build_wheels_linux,
-        build_wheels_macos,
-        build_wheels_windows,
-        build_sdist,
-      ]
-    runs-on: ubuntu-latest
-    if: startsWith(github.ref, 'refs/tags/quaddtype-v')
-
-    environment:
-      name: quadtype_release
-      url: https://pypi.org/p/numpy-quaddtype
-
-    permissions:
-      id-token: write # IMPORTANT: mandatory for trusted publishing
-
-    steps:
-      - name: Download all workflow run artifacts
-        uses: actions/download-artifact@v4
-        with:
-          pattern: "*"
-          path: dist
-          merge-multiple: true
-
-      - name: Publish to PyPI
-        uses: pypa/gh-action-pypi-publish@release/v1
+  # build_wheels_macos:
+  #   name: Build wheels on ${{ matrix.os }}
+  #   runs-on: ${{ matrix.os }}
+  #   strategy:
+  #     matrix:
+  #       os: [macos-13, macos-14]
+
+  #   steps:
+  #     - uses: actions/checkout@v3
+
+  #     - name: Set up Python
+  #       uses: actions/setup-python@v4
+  #       with:
+  #         python-version: ">=3.11.0"
+
+  #     - name: Install dependencies
+  #       run: |
+  #         packages="cmake libomp git"
+  #         echo "Remove preinstalled dependencies"
+  #         for pkg in $packages; do
+  #           brew uninstall --ignore-dependencies $pkg 2>/dev/null || true
+  #         done
+  #         brew cleanup
+  #         brew install $packages
+
+  #     - name: Installing Python dependencies
+  #       run: |
+  #         pip install -U pip
+  #         pip install cibuildwheel==3.1.4
+  #         pip install pytest-run-parallel
+
+  #     - name: Build wheels
+  #       env:
+  #         CIBW_BUILD: "cp310-* cp311-* cp312-* cp313-* cp314-* cp313t-* cp314t-*"
+  #         CIBW_ENABLE: cpython-prerelease cpython-freethreading
+  #         CIBW_ARCHS_MACOS: ${{ matrix.os == 'macos-13' && 'x86_64' || 'arm64' }}
+  #         CIBW_BUILD_VERBOSITY: "3"
+  #         CIBW_ENVIRONMENT: >
+  #           MACOSX_DEPLOYMENT_TARGET="${{ matrix.os == 'macos-13' && '13.0' || '14.0' }}"
+  #         CIBW_REPAIR_WHEEL_COMMAND: >
+  #           delocate-wheel --require-archs {delocate_archs} -w {dest_dir} -v {wheel}
+  #         CIBW_TEST_COMMAND: |
+  #           pip install {package}[test]
+  #           if python -c "import sys; exit(0 if hasattr(sys, '_is_gil_enabled') and not sys._is_gil_enabled() else 1)"; then
+  #             pytest --parallel-threads=10 --iterations=10 {project}/tests
+  #           else
+  #             pytest -s {project}/tests
+  #           fi
+  #         CIBW_TEST_EXTRAS: "test"
+  #       run: |
+  #         python -m cibuildwheel --output-dir wheelhouse
+  #       working-directory: ./quaddtype
+
+  #     - uses: actions/upload-artifact@v4
+  #       with:
+  #         path: ./quaddtype/wheelhouse/*.whl
+  #         name: wheels-${{ matrix.os }}
+
+  # # disabling QBLAS optimization for windows due to incompatibility with MSVC
+  # build_wheels_windows:
+  #   name: Build wheels on Windows
+  #   runs-on: windows-latest
+  #   strategy:
+  #     matrix:
+  #       architecture: [x64]
+
+  #   steps:
+  #     - uses: actions/checkout@v3
+
+  #     - name: Setup MSVC
+  #       uses: ilammy/msvc-dev-cmd@v1
+  #       with:
+  #         arch: ${{ matrix.architecture }}
+
+  #     - name: Set up Python
+  #       uses: actions/setup-python@v4
+  #       with:
+  #         python-version: ">=3.11.0"
+  #         architecture: ${{ matrix.architecture }}
+
+  #     - name: Install CMake
+  #       uses: lukka/get-cmake@latest
+
+  #     - name: Install build dependencies
+  #       shell: bash -l {0}
+  #       run: |
+  #         pip install -U pip
+  #         pip install cibuildwheel==3.1.4 ninja meson meson-python numpy delvewheel pytest
+
+  #     - name: Build wheels
+  #       env:
+  #         CIBW_BUILD: "cp310-* cp311-* cp312-* cp313-* cp314-* cp313t-* cp314t-*"
+  #         CIBW_ENABLE: cpython-prerelease cpython-freethreading
+  #         CIBW_SKIP: "pp* cp36-* cp37-* cp38-* cp39-*"
+  #         CIBW_ARCHS_WINDOWS: ${{ matrix.architecture == 'x86' && 'x86' || 'AMD64' }}
+  #         CIBW_BUILD_VERBOSITY: "3"
+  #         DISTUTILS_USE_SDK: "1"
+  #         MSSdk: "1"
+  #         CIBW_BEFORE_BUILD: |
+  #           pip install meson meson-python ninja numpy
+  #         CIBW_ENVIRONMENT: >
+  #           CFLAGS="/DDISABLE_QUADBLAS $CFLAGS"
+  #           CXXFLAGS="/DDISABLE_QUADBLAS $CXXFLAGS"
+  #         CIBW_REPAIR_WHEEL_COMMAND: 'delvewheel repair -w {dest_dir} {wheel} --add-path C:\sleef\bin'
+  #         CIBW_TEST_COMMAND: |
+  #           pip install {package}[test]
+  #           if python -c "import sys; exit(0 if hasattr(sys, '_is_gil_enabled') and not sys._is_gil_enabled() else 1)"; then
+  #             pytest --parallel-threads=10 --iterations=10 {project}/tests
+  #           else
+  #             pytest -s {project}/tests
+  #           fi
+  #         CIBW_TEST_EXTRAS: test
+  #         CIBW_TEST_FAIL_FAST: 1
+  #       shell: pwsh
+  #       run: |
+  #         python -m cibuildwheel --output-dir wheelhouse
+  #         if (-not (Test-Path wheelhouse/*.whl)) { throw "Wheel was not created" }
+  #       working-directory: ./quaddtype
+
+  #     - uses: actions/upload-artifact@v4
+  #       with:
+  #         path: ./quaddtype/wheelhouse/*.whl
+  #         name: wheels-windows-${{ matrix.architecture }}
+
+  # build_sdist:
+  #   name: Build SDist
+  #   runs-on: ubuntu-latest
+  #   steps:
+  #     - uses: actions/checkout@v3
+
+  #     - name: Set up Python
+  #       uses: actions/setup-python@v4
+  #       with:
+  #         python-version: ">=3.11.0"
+
+  #     - name: Install system dependencies
+  #       run: |
+  #         sudo apt-get update -y
+  #         sudo apt-get install -y cmake gcc g++ make git pkg-config
+
+  #     - name: Install build dependencies
+  #       run: |
+  #         python -m pip install --upgrade pip
+  #         python -m pip install build pytest
+
+  #     - name: Build SDist & test sdist
+  #       env:
+  #         LDFLAGS: "-fopenmp"
+  #       run: |
+  #         python -m build --sdist --outdir dist/
+  #         pip install dist/*.tar.gz -v
+  #         pytest -s tests
+  #       working-directory: ./quaddtype
+
+  #     - name: Upload SDist artifact
+  #       uses: actions/upload-artifact@v4
+  #       with:
+  #         name: sdist
+  #         path: ./quaddtype/dist/*.tar.gz
+
+  # publish_to_pypi:
+  #   name: Publish to PyPI
+  #   needs:
+  #     [
+  #       build_wheels_linux,
+  #       build_wheels_macos,
+  #       build_wheels_windows,
+  #       build_sdist,
+  #     ]
+  #   runs-on: ubuntu-latest
+  #   if: startsWith(github.ref, 'refs/tags/quaddtype-v')
+
+  #   environment:
+  #     name: quadtype_release
+  #     url: https://pypi.org/p/numpy-quaddtype
+
+  #   permissions:
+  #     id-token: write # IMPORTANT: mandatory for trusted publishing
+
+  #   steps:
+  #     - name: Download all workflow run artifacts
+  #       uses: actions/download-artifact@v4
+  #       with:
+  #         pattern: "*"
+  #         path: dist
+  #         merge-multiple: true
+
+  #     - name: Publish to PyPI
+  #       uses: pypa/gh-action-pypi-publish@release/v1
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 55c3f2d..34ad8c8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,88 +1,88 @@
-name: Numpy User DTypes CI
+# name: Numpy User DTypes CI
 
-on:
-  push:
-    branches:
-      - main
-  pull_request:
-  workflow_dispatch:
+# on:
+#   push:
+#     branches:
+#       - main
+#   pull_request:
+#   workflow_dispatch:
 
-jobs:
-  test:
-    runs-on: ubuntu-latest
+# jobs:
+# test:
+#   runs-on: ubuntu-latest
 
-    steps:
-      - uses: actions/checkout@v3
-      - name: Setup Python
-        uses: actions/setup-python@v3
-        with:
-          python-version: "3.10"
-      - name: Install build and test dependencies
-        run: |
-          python -m pip install -U pip build pytest unyt wheel meson ninja meson-python patchelf pandas numpy
-      - name: Install asciidtype
-        working-directory: asciidtype
-        run: |
-          CFLAGS="-Werror" python -m pip install . --no-build-isolation
-      - name: Run asciidtype tests
-        working-directory: asciidtype
-        run: |
-          pytest -vvv --color=yes
-      - name: Install metadatadtype
-        working-directory: metadatadtype
-        run: |
-          python -m build --no-isolation --wheel -Cbuilddir=build
-          find ./dist/*.whl | xargs python -m pip install
-      - name: Run metadatadtype tests
-        working-directory: metadatadtype
-        run: |
-          pytest -vvv --color=yes
-      - name: install mpfdtype
-        working-directory: mpfdtype
-        run: |
-          sudo apt install libmpfr-dev -y
-          CFLAGS="-Werror" python -m pip install . --no-build-isolation
-      - name: Run mpfdtype tests
-        working-directory: mpfdtype
-        run: |
-          pytest -vvv --color=yes
-      - name: Install unytdtype
-        working-directory: unytdtype
-        run: |
-          python -m build --no-isolation --wheel -Cbuilddir=build
-          find ./dist/*.whl | xargs python -m pip install
-      - name: Run unytdtype tests
-        working-directory: unytdtype
-        run: |
-          pytest -vvv --color=yes
-      - name: Install quaddtype dependencies
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y libmpfr-dev libssl-dev libfftw3-dev
+#   steps:
+#     - uses: actions/checkout@v3
+#     - name: Setup Python
+#       uses: actions/setup-python@v3
+#       with:
+#         python-version: "3.10"
+#     - name: Install build and test dependencies
+#       run: |
+#         python -m pip install -U pip build pytest unyt wheel meson ninja meson-python patchelf pandas numpy
+#     - name: Install asciidtype
+#       working-directory: asciidtype
+#       run: |
+#         CFLAGS="-Werror" python -m pip install . --no-build-isolation
+#     - name: Run asciidtype tests
+#       working-directory: asciidtype
+#       run: |
+#         pytest -vvv --color=yes
+#     - name: Install metadatadtype
+#       working-directory: metadatadtype
+#       run: |
+#         python -m build --no-isolation --wheel -Cbuilddir=build
+#         find ./dist/*.whl | xargs python -m pip install
+#     - name: Run metadatadtype tests
+#       working-directory: metadatadtype
+#       run: |
+#         pytest -vvv --color=yes
+#     - name: install mpfdtype
+#       working-directory: mpfdtype
+#       run: |
+#         sudo apt install libmpfr-dev -y
+#         CFLAGS="-Werror" python -m pip install . --no-build-isolation
+#     - name: Run mpfdtype tests
+#       working-directory: mpfdtype
+#       run: |
+#         pytest -vvv --color=yes
+#     - name: Install unytdtype
+#       working-directory: unytdtype
+#       run: |
+#         python -m build --no-isolation --wheel -Cbuilddir=build
+#         find ./dist/*.whl | xargs python -m pip install
+#     - name: Run unytdtype tests
+#       working-directory: unytdtype
+#       run: |
+#         pytest -vvv --color=yes
+#     - name: Install quaddtype dependencies
+#       run: |
+#         sudo apt-get update
+#         sudo apt-get install -y libmpfr-dev libssl-dev libfftw3-dev
 
-      - name: Install quaddtype
-        working-directory: quaddtype
-        run: |
-          export LDFLAGS="-fopenmp"
-          python -m pip install . -v
+#     - name: Install quaddtype
+#       working-directory: quaddtype
+#       run: |
+#         export LDFLAGS="-fopenmp"
+#         python -m pip install . -v
 
-      - name: Run quaddtype tests
-        working-directory: quaddtype
-        run: |
-          pytest -vvv --color=yes
-      - name: Install stringdtype
-        working-directory: stringdtype
-        run: |
-          if [ -d "build/" ]
-          then
-              rm -r build
-          fi
-          meson setup build
-          python -m build --no-isolation --wheel -Cbuilddir=build --config-setting='compile-args=-v' -Csetup-args="-Dbuildtype=debug"
-          find ./dist/*.whl | xargs python -m pip install
-      - name: Run stringdtype tests
-        working-directory: stringdtype
-        run: |
-          pytest -s -vvv --color=yes
-          pip uninstall -y pandas
-          pytest -s -vvv --color=yes
+#     - name: Run quaddtype tests
+#       working-directory: quaddtype
+#       run: |
+#         pytest -vvv --color=yes
+#     - name: Install stringdtype
+#       working-directory: stringdtype
+#       run: |
+#         if [ -d "build/" ]
+#         then
+#             rm -r build
+#         fi
+#         meson setup build
+#         python -m build --no-isolation --wheel -Cbuilddir=build --config-setting='compile-args=-v' -Csetup-args="-Dbuildtype=debug"
+#         find ./dist/*.whl | xargs python -m pip install
+#     - name: Run stringdtype tests
+#       working-directory: stringdtype
+#       run: |
+#         pytest -s -vvv --color=yes
+#         pip uninstall -y pandas
+#         pytest -s -vvv --color=yes