diff options
Diffstat (limited to 'numpy/core/tests/test_multiarray.py')
| -rw-r--r-- | numpy/core/tests/test_multiarray.py | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/numpy/core/tests/test_multiarray.py b/numpy/core/tests/test_multiarray.py index a7bdf335b..828e7f033 100644 --- a/numpy/core/tests/test_multiarray.py +++ b/numpy/core/tests/test_multiarray.py @@ -29,7 +29,7 @@ from numpy.testing import ( assert_allclose, IS_PYPY, IS_PYSTON, HAS_REFCOUNT, assert_array_less, runstring, temppath, suppress_warnings, break_cycles, ) -from numpy.testing._private.utils import _no_tracing +from numpy.testing._private.utils import requires_memory, _no_tracing from numpy.core.tests._locales import CommaDecimalPointLocale from numpy.lib.recfunctions import repack_fields @@ -6691,6 +6691,15 @@ class TestDot: # Strides in A cols and X assert_dot_close(A_f_12, X_f_2, desired) + @pytest.mark.slow + @pytest.mark.parametrize("dtype", [np.float64, np.complex128]) + @requires_memory(free_bytes=9*10**9) # complex case needs 8GiB+ + def test_huge_vectordot(self, dtype): + # Large vector multiplications are chunked with 32bit BLAS + # Test that the chunking does the right thing, see also gh-22262 + data = np.ones(2**30+100, dtype=dtype) + res = np.dot(data, data) + assert res == 2**30+100 class MatmulCommon: |