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Disable MKL_USE_STATIC_LIBS by default #17794

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Disable MKL_USE_STATIC_LIBS by default #17794

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1 change: 1 addition & 0 deletions ci/docker/runtime_functions.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -526,6 +526,7 @@ build_ubuntu_cpu_mkldnn_mkl() {
-DUSE_CUDA=OFF \
-DUSE_TVM_OP=ON \
-DUSE_MKL_IF_AVAILABLE=ON \
-DMKL_USE_STATIC_LIBS=OFF \
-DUSE_BLAS=MKL \
-DBUILD_EXTENSION_PATH=/work/mxnet/example/extensions/lib_external_ops \
-GNinja /work/mxnet
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6 changes: 5 additions & 1 deletion python/mxnet/base.py
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Expand Up @@ -281,7 +281,11 @@ def _load_lib():
# pylint: disable=E1123
lib = ctypes.CDLL(lib_path[0], winmode=0x00000008)
else:
lib = ctypes.CDLL(lib_path[0], ctypes.RTLD_LOCAL)
# We use RTLD_GLOBAL as, when dynamically linking with MKL,
# libmkl_core.so may load libmkl_avx512.so via dlopen. When opening
# libmxnet and it's dependencies (libmkl_core.so) via RTLD_LOCAL, MKL's
# dlopen calls will fail with undefined symbol errors.
lib = ctypes.CDLL(lib_path[0], ctypes.RTLD_GLOBAL)
# DMatrix functions
lib.MXGetLastError.restype = ctypes.c_char_p
return lib
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