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May 25, 2021 14:47
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Use conda-forge lapack with acelerate as blas backend
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| git clone https://github.com/isuruf/vecLibFort | |
| cd vecLibFort | |
| conda create -n numpy pytest hypothesis numpy "libblas=*=*netlib" --yes | |
| conda activate numpy | |
| clang -O3 -c -o vecLibFort.o vecLibFort.c | |
| clang -shared -o libblas.3.dylib vecLibFort.o -Wl,-reexport_library,$(xcrun -show-sdk-path)/System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.tbd | |
| codesign -s - -f libblas.3.dylib | |
| rm $CONDA_PREFIX/lib/libblas.3.dylib | |
| rm $CONDA_PREFIX/lib/libcblas.3.dylib | |
| cp libblas.3.dylib $CONDA_PREFIX/lib/libblas.3.dylib | |
| cp libblas.3.dylib $CONDA_PREFIX/lib/libcblas.3.dylib | |
| python -c "import numpy; numpy.test()" |
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I get AssertionErrors from multiple important routines using this on my M1 mac. However from what I have been reading numpy and scipy blocked the accelerate backend due to numerical issues.
=============================== short test summary info ================================ FAILED core/tests/test_ufunc.py::TestUfuncGenericLoops::test_unary_PyUFunc_O_O_method_full[reciprocal] FAILED f2py/tests/test_array_from_pyobj.py::TestSharedMemory::test_in_from_2casttype[LONGDOUBLE] FAILED f2py/tests/test_array_from_pyobj.py::TestSharedMemory::test_f_in_from_23casttype[LONGDOUBLE] FAILED f2py/tests/test_array_from_pyobj.py::TestSharedMemory::test_c_in_from_23casttype[LONGDOUBLE] FAILED linalg/tests/test_linalg.py::TestSVDHermitian::test_herm_cases - AssertionErro... FAILED linalg/tests/test_linalg.py::TestPinvHermitian::test_herm_cases - AssertionErr... FAILED linalg/tests/test_linalg.py::TestEighCases::test_herm_cases - AssertionError: ... FAILED linalg/tests/test_linalg.py::TestCholesky::test_basic_property - numpy.linalg.... FAILED ma/tests/test_core.py::TestMaskedArrayInPlaceArithmetics::test_inplace_floor_division_scalar_type FAILED ma/tests/test_core.py::TestMaskedArrayInPlaceArithmetics::test_inplace_floor_division_array_type 10 failed, 12457 passed, 103 skipped, 1208 deselected, 19 xfailed, 3 xpassed, 16 warnings in 98.77s (0:01:38)