Cherry picks for 0.56.3

CHANGE_LOG

@@ -1,3 +1,23 @@
+Version 0.56.3 (13 October, 2022)
+---------------------------------
+
+This is a bugfix release to remove the version restriction applied to the
+``setuptools`` package and to fix a bug in the CUDA target in relation to
+copying zero length device arrays to zero length host arrays.
+
+Pull-Requests:
+
+* PR `#8475 <https://github.com/numba/numba/pull/8475>`_: Remove setuptools version pin (`gmarkall <https://github.com/gmarkall>`_)
+* PR `#8482 <https://github.com/numba/numba/pull/8482>`_: Fix #8477: Allow copies with different strides for 0-length data (`gmarkall <https://github.com/gmarkall>`_)
+* PR `#8486 <https://github.com/numba/numba/pull/8486>`_: Restrict the TBB development package to supported version in Azure. (`stuartarchibald <https://github.com/stuartarchibald>`_)
+* PR `#8503 <https://github.com/numba/numba/pull/8503>`_: Update version support table for 0.56.3 (`stuartarchibald <https://github.com/stuartarchibald>`_)
+* PR `#8504 <https://github.com/numba/numba/pull/8504>`_: Update CHANGE_LOG for 0.56.3 (`stuartarchibald <https://github.com/stuartarchibald>`_)
+
+Authors:
+
+* `gmarkall <https://github.com/gmarkall>`_
+* `stuartarchibald <https://github.com/stuartarchibald>`_
+
 Version 0.56.2 (1 September, 2022)
 ----------------------------------
 

buildscripts/azure/azure-windows.yml

@@ -29,12 +29,6 @@ jobs:
         buildscripts\\incremental\\setup_conda_environment.cmd
       displayName: 'Before Install'
 
-    - script: |
-        # use TBB
-        call activate %CONDA_ENV%
-        conda install -y -c numba tbb=2021 tbb-devel
-      displayName: 'Add in TBB'
-
     - script: |
         buildscripts\\incremental\\build.cmd
       displayName: 'Build'

buildscripts/condarecipe.local/meta.yaml

@@ -32,7 +32,7 @@ requirements:
   host:
     - python
     - numpy
-    - setuptools <60
+    - setuptools
     - importlib_metadata       # [py<39]
     # On channel https://anaconda.org/numba/
     - llvmlite 0.39.*
@@ -46,7 +46,7 @@ requirements:
     - python >=3.7
     # NumPy 1.22.0, 1.22.1, 1.22.2 are all broken for ufuncs, see #7756
     - numpy >=1.18, !=1.22.0, !=1.22.1, !=1.22.2, <1.24
-    - setuptools <60
+    - setuptools
     - importlib_metadata       # [py<39]
     # On channel https://anaconda.org/numba/
     - llvmlite 0.39.*
@@ -76,7 +76,7 @@ test:
     # temporarily disable scipy testing on ARM, need to build out more packages
     - scipy                    # [not (armv6l or armv7l)]
     - ipython                  # [not (armv6l or armv7l or aarch64)]
-    - setuptools <60
+    - setuptools
     - tbb  >=2021              # [not (armv6l or armv7l or aarch64 or linux32 or ppc64le)]
     - llvm-openmp              # [osx]
     # This is for driving gdb tests

buildscripts/gpuci/build.sh

@@ -46,7 +46,7 @@ gpuci_mamba_retry create -n numba_ci -y \
                   "psutil" \
                   "gcc_linux-64=7" \
                   "gxx_linux-64=7" \
-                  "setuptools<60"
+                  "setuptools"
 
 conda activate numba_ci
 

buildscripts/incremental/setup_conda_environment.cmd

@@ -22,7 +22,7 @@ call deactivate
 @rem Display root environment (for debugging)
 conda list
 @rem Scipy, CFFI, jinja2 and IPython are optional dependencies, but exercised in the test suite
-conda create -n %CONDA_ENV% -q -y python=%PYTHON% numpy=%NUMPY% cffi pip jinja2 ipython gitpython pyyaml "setuptools<60"
+conda create -n %CONDA_ENV% -q -y python=%PYTHON% numpy=%NUMPY% cffi pip jinja2 ipython gitpython pyyaml
 
 call activate %CONDA_ENV%
 @rem Scipy comes from conda-forge for NumPy 1.23
@@ -36,7 +36,7 @@ if "%BUILD_DOC%" == "yes" (%CONDA_INSTALL% sphinx sphinx_rtd_theme pygments)
 @rem Install dependencies for code coverage (codecov.io)
 if "%RUN_COVERAGE%" == "yes" (%PIP_INSTALL% codecov)
 @rem Install TBB
-%CONDA_INSTALL% -c numba tbb=2021 tbb-devel
+%CONDA_INSTALL% -c numba tbb=2021 "tbb-devel>=2021,<2021.6"
 if %errorlevel% neq 0 exit /b %errorlevel%
 
 echo "DEBUG ENV:"

buildscripts/incremental/setup_conda_environment.sh

@@ -43,7 +43,7 @@ conda list
 if [[ "$CONDA_SUBDIR" == "linux-32" || "$BITS32" == "yes" ]]; then
     conda create -n $CONDA_ENV -q -y ${EXTRA_CHANNELS} python=$PYTHON pip gitpython pyyaml
 else
-    conda create -n $CONDA_ENV -q -y ${EXTRA_CHANNELS} python=$PYTHON numpy=$NUMPY pip gitpython pyyaml "setuptools<60"
+    conda create -n $CONDA_ENV -q -y ${EXTRA_CHANNELS} python=$PYTHON numpy=$NUMPY pip gitpython pyyaml
 fi
 
 # Activate first
@@ -104,7 +104,7 @@ if [ "$RUN_COVERAGE" == "yes" ]; then $PIP_INSTALL codecov; fi
 # Install SVML
 if [ "$TEST_SVML" == "yes" ]; then $CONDA_INSTALL -c numba icc_rt; fi
 # Install Intel TBB parallel backend
-if [ "$TEST_THREADING" == "tbb" ]; then $CONDA_INSTALL -c numba tbb=2021 tbb-devel; fi
+if [ "$TEST_THREADING" == "tbb" ]; then $CONDA_INSTALL -c numba tbb=2021 "tbb-devel>=2021,<2021.6"; fi
 # Install pickle5
 if [ "$TEST_PICKLE5" == "yes" ]; then $PIP_INSTALL pickle5; fi
 # Install typeguard

docs/environment.yml

@@ -9,7 +9,7 @@ dependencies:
   - llvmlite=0.39
   - numpy
   - numpydoc
-  - setuptools<60
+  - setuptools
   # https://stackoverflow.com/questions/67542699/readthedocs-sphinx-not-rendering-bullet-list-from-rst-fileA
   - docutils==0.16
   # The following is needed to fix RTD.

docs/source/user/installing.rst

@@ -194,14 +194,14 @@ vary with target operating system and hardware. The following lists them all
 
 * Required build time:
 
-  * ``setuptools<60``
+  * ``setuptools``
   * ``numpy``
   * ``llvmlite``
   * Compiler toolchain mentioned above
 
 * Required run time:
 
-  * ``setuptools<60``
+  * ``setuptools``
   * ``numpy``
   * ``llvmlite``
 
@@ -278,6 +278,8 @@ information.
 +===========+==============+===========================+============================+==============================+===================+=============================+
 | 0.57.x    | TBC          | 3.8.x <= version < 3.12   | 1.19 <= version < 1.24     | 0.40.x                       | 11.x              | 2021.x                      |
 +-----------+--------------+---------------------------+----------------------------+------------------------------+-------------------+-----------------------------+
+| 0.56.3    | 2022-10-13   | 3.7.x <= version < 3.11   | 1.18 <= version < 1.24     | 0.39.x                       | 11.x              | 2021.x                      |
++-----------+--------------+---------------------------+----------------------------+------------------------------+-------------------+-----------------------------+
 | 0.56.2    | 2022-09-01   | 3.7.x <= version < 3.11   | 1.18 <= version < 1.24     | 0.39.x                       | 11.x              | 2021.x                      |
 +-----------+--------------+---------------------------+----------------------------+------------------------------+-------------------+-----------------------------+
 | 0.56.0    | 2022-07-25   | 3.7.x <= version < 3.11   | 1.18 <= version < 1.23     | 0.39.x                       | 11.x              | 2021.x                      |

numba/cuda/cudadrv/devicearray.py

@@ -895,6 +895,8 @@ def check_array_compatibility(ary1, ary2):
     if ary1sq.shape != ary2sq.shape:
         raise ValueError('incompatible shape: %s vs. %s' %
                          (ary1.shape, ary2.shape))
-    if ary1sq.strides != ary2sq.strides:
+    # We check strides only if the size is nonzero, because strides are
+    # irrelevant (and can differ) for zero-length copies.
+    if ary1.size and ary1sq.strides != ary2sq.strides:
         raise ValueError('incompatible strides: %s vs. %s' %
                          (ary1.strides, ary2.strides))

numba/cuda/tests/cudadrv/test_cuda_ndarray.py

@@ -420,6 +420,41 @@ def test_bug6697(self):
         got = np.asarray(dary)
         self.assertEqual(got.dtype, dary.dtype)
 
+    @skip_on_cudasim('DeviceNDArray class not present in simulator')
+    def test_issue_8477(self):
+        # Ensure that we can copy a zero-length device array to a zero-length
+        # host array when the strides of the device and host arrays differ -
+        # this should be possible because the strides are irrelevant when the
+        # length is zero. For more info see
+        # https://github.com/numba/numba/issues/8477.
+
+        # Create a device array with shape (0,) and strides (8,)
+        dev_array = devicearray.DeviceNDArray(shape=(0,), strides=(8,),
+                                              dtype=np.int8)
+
+        # Create a host array with shape (0,) and strides (0,)
+        host_array = np.ndarray(shape=(0,), strides=(0,), dtype=np.int8)
+
+        # Sanity check for this test - ensure our destination has the strides
+        # we expect, because strides can be ignored in some cases by the
+        # ndarray constructor - checking here ensures that we haven't failed to
+        # account for unexpected behaviour across different versions of NumPy
+        self.assertEqual(host_array.strides, (0,))
+
+        # Ensure that the copy succeeds in both directions
+        dev_array.copy_to_host(host_array)
+        dev_array.copy_to_device(host_array)
+
+        # Ensure that a device-to-device copy also succeeds when the strides
+        # differ - one way of doing this is to copy the host array across and
+        # use that for copies in both directions.
+        dev_array_from_host = cuda.to_device(host_array)
+        self.assertEqual(dev_array_from_host.shape, (0,))
+        self.assertEqual(dev_array_from_host.strides, (0,))
+
+        dev_array.copy_to_device(dev_array_from_host)
+        dev_array_from_host.copy_to_device(dev_array)
+
 
 class TestRecarray(CUDATestCase):
     def test_recarray(self):

numba/testing/main.py

@@ -207,7 +207,8 @@ def git_diff_str(x):
         parser.add_argument('-g', '--gitdiff', dest='gitdiff', type=git_diff_str,
                             default=False, nargs='?',
                             help=('Run tests from changes made against '
-                                  'origin/main as identified by `git diff`. '
+                                  'origin/release0.56 as identified by'
+                                  '`git diff`. '
                                   'If set to "ancestor", the diff compares '
                                   'against the common ancestor.'))
         return parser
@@ -399,9 +400,9 @@ def _choose_gitdiff_tests(tests, *, use_common_ancestor=False):
     path = os.path.join('numba', 'tests')
     if use_common_ancestor:
         print(f"Git diff by common ancestor")
-        target = 'origin/main...HEAD'
+        target = 'origin/release0.56...HEAD'
     else:
-        target = 'origin/main..HEAD'
+        target = 'origin/release0.56..HEAD'
     gdiff_paths = repo.git.diff(target, path, name_only=True).split()
     # normalise the paths as they are unix style from repo.git.diff
     gdiff_paths = [os.path.normpath(x) for x in gdiff_paths]

setup.py

@@ -375,7 +375,7 @@ def check_file_at_path(path2file):
 install_requires = [
     'llvmlite >={},<{}'.format(min_llvmlite_version, max_llvmlite_version),
     'numpy >={},<{}'.format(min_numpy_run_version, max_numpy_run_version),
-    'setuptools<60',
+    'setuptools',
     'importlib_metadata; python_version < "3.9"',
 ]