turning off r docs until CI can handle it

[MXNET-750] fix nested call on CachedOp. (apache#11951) * fix nested call on cachedop. * fix. extend reshape op to allow reverse shape inference (apache#11956) Improve sparse embedding index out of bound error message; (apache#11940) [MXNET-770] Remove fixed seed in flaky test (apache#11958) * Remove fixed seed in flaky test * Remove fixed seed in flaky test Update ONNX docs with the latest supported ONNX version (apache#11936) Reduced test to 3 epochs and made gpu only (apache#11863) * Reduced test to 3 epochs and made GPU only * Moved logger variable so that it's accessible Fix flaky tests for test_laop_4 (apache#11972) Updating R client docs (apache#11954) * Updating R client docs * Forcing build Fix install instructions for MXNET-R (apache#11976) * fix install instructions for MXNET-R * fix install instructions for MXNET-R * fix default cuda version for MXNet-R [MXNET-751] fix ce_loss flaky (apache#11971) * add xavier initializer * remove comment line [MXNET-769] set MXNET_HOME as base for downloaded models through base.data_dir() (apache#11636) * set MXNET_DATA_DIR as base for downloaded models through base.data_dir() push joblib to save containers so is not required when running * MXNET_DATA_DIR -> MXNET_HOME [MXNET-748] linker fixed on Scala issues (apache#11989) * put force load back as a temporary solution * use project.basedir as relative path for OSX linker [MXNET-772] Re-enable test_module.py:test_module_set_params (apache#11979) [MXNET-771] Fix Flaky Test test_executor.py:test_dot (apache#11978) * use assert_almost_equal, increase rtol, reduce matrix size * remove seed in test_bind * add seed 0 to test_bind, it is still flaky * add comments for tracking remove mod from arity 2 version of load-checkpoint in clojure-package (apache#11808) * remove mod from arity 2 version of load-checkpoint * load-checkpoint arity 2 test Add unit test stage for mxnet cpu in debug mode (apache#11974) Website broken link fixes (apache#12014) * fix broken link * fix broken link * switch to .md links * fix broken link removed seed from flaky test (apache#11975) Disable ccache log print due to threadunsafety (apache#11997) Added default tolerance levels for regression checks for MBCC (apache#12006) * Added tolerance level for assert_almost_equal for MBCC * Nudge to CI Disable flaky mkldnn test_requantize_int32_to_int8 (apache#11748) [MXNET-769] Usability improvements to windows builds (apache#11947) * Windows scripted build Adjust Jenkins builds to use ci/build_windows.py Issues: apache#8714 apache#11100 apache#10166 apache#10049 * Fix bug * Fix non-portable ut * add xunit Fix import statement (apache#12005) array and multiply are undefined. Importing them from ndarray Disable flaky test test_random.test_gamma_generator (apache#12022) [MXNET-770] Fix flaky test: test_factorization_machine_module (apache#12023) * Remove fixed seed in flaky test * Remove fixed seed in flaky test * Update random seed to reproduce the issue * Fix Flaky unit test and add a training test * Remove fixed seed in flaky test * Update random seed to reproduce the issue * Fix Flaky unit test and add a training test * Increase accuracy check disable opencv threading for forked process (apache#12025) Bug fixes in control flow operators (apache#11942) Fix data narrowing warning on graph_executor.cc (apache#11969) Fix flaky tests for test_squared_hinge_loss (apache#12017) Fix flaky tests for test_hinge_loss (apache#12020) remove fixed seed for test_sparse_ndarray/test_operator_gpu.test_sparse_nd_pickle (apache#12012) Removed fixed seed from , test_loss:test_ctc_loss_train (apache#11985) Removed fixed seed from , test_loss:test_sample_weight_loss (apache#11986) Fix reduce_kernel_M1 (apache#12026) * Fix reduce_kernel_M1 * Improve test_norm Update test_loss.py to remove fixed seed (apache#11995) [MXNET-23] Adding support to profile kvstore server during distributed training (apache#11215) * server profiling merge with master cleanup old code added a check and better info message add functions for C compatibility fix doc lint fixes fix compile issues lint fix build error update function signatures to preserve compatibility fix comments lint * add part1 of test * add integration test Re-enabling test_ndarray/test_cached (apache#11950) Test passes on CPU and GPU (10000 runs) make gluon rnn layers hybrid blocks (apache#11482) * make Gluon RNN layer hybrid block * separate gluon gpu tests * remove excess assert_raises_cudnn_disabled usage * add comments and refactor * add bidirectional test * temporarily remove hybridize in test_gluon_rnn.test_layer_fill_shape [MXNET-751] fix bce_loss flaky (apache#11955) * add fix to bce_loss * add comments * remove unecessary comments Doc fix for a few optimizers (apache#12034) * Update optimizer.py * Update optimizer.py
aaronmarkham · Aug 7, 2018 · 65abe1e · 65abe1e
1 parent 95f5446
commit 65abe1e
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diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -372,13 +372,13 @@ endif()
 
 # ---[ LAPack
 if(USE_LAPACK)
+  message("USE_LAPACK is ON")
   add_definitions(-DMXNET_USE_LAPACK=1)
   if (NOT MSVC)
     list(APPEND mxnet_LINKER_LIBS lapack)
   endif()
 endif()
 
-message("USE LAPACK ${USE_LAPACK}")
 
 # ---[ jemalloc
 if(USE_JEMALLOC)

diff --git a/Jenkinsfile b/Jenkinsfile
@@ -26,6 +26,8 @@ mx_lib = 'lib/libmxnet.so, lib/libmxnet.a, 3rdparty/dmlc-core/libdmlc.a, 3rdpart
 mx_dist_lib = 'lib/libmxnet.so, lib/libmxnet.a, 3rdparty/dmlc-core/libdmlc.a, 3rdparty/tvm/nnvm/lib/libnnvm.a, 3rdparty/ps-lite/build/libps.a, deps/lib/libprotobuf-lite.a, deps/lib/libzmq.a'
 // mxnet cmake libraries, in cmake builds we do not produce a libnvvm static library by default.
 mx_cmake_lib = 'build/libmxnet.so, build/libmxnet.a, build/3rdparty/dmlc-core/libdmlc.a, build/tests/mxnet_unit_tests, build/3rdparty/openmp/runtime/src/libomp.so'
+// mxnet cmake libraries, in cmake builds we do not produce a libnvvm static library by default.
+mx_cmake_lib_debug = 'build/libmxnet.so, build/libmxnet.a, build/3rdparty/dmlc-core/libdmlc.a, build/tests/mxnet_unit_tests'
 mx_cmake_mkldnn_lib = 'build/libmxnet.so, build/libmxnet.a, build/3rdparty/dmlc-core/libdmlc.a, build/tests/mxnet_unit_tests, build/3rdparty/openmp/runtime/src/libomp.so, build/3rdparty/mkldnn/src/libmkldnn.so.0'
 mx_mkldnn_lib = 'lib/libmxnet.so, lib/libmxnet.a, lib/libiomp5.so, lib/libmkldnn.so.0, lib/libmklml_intel.so, 3rdparty/dmlc-core/libdmlc.a, 3rdparty/tvm/nnvm/lib/libnnvm.a'
 // timeout in minutes
@@ -233,6 +235,17 @@ try {
         }
       }
     },
+    'CPU: Openblas, debug': {
+      node('mxnetlinux-cpu') {
+        ws('workspace/build-cpu-openblas') {
+          timeout(time: max_time, unit: 'MINUTES') {
+            init_git()
+            docker_run('ubuntu_cpu', 'build_ubuntu_cpu_cmake_debug', false)
+            pack_lib('cpu_debug', mx_cmake_lib_debug)
+          }
+        }
+      }
+    },
     'CPU: Clang 3.9': {
       node('mxnetlinux-cpu') {
         ws('workspace/build-cpu-clang39') {
@@ -378,28 +391,8 @@ try {
           ws('workspace/build-cpu') {
             withEnv(['OpenBLAS_HOME=C:\\mxnet\\openblas', 'OpenCV_DIR=C:\\mxnet\\opencv_vc14', 'CUDA_PATH=C:\\CUDA\\v8.0']) {
               init_git_win()
-              bat """mkdir build_vc14_cpu
-                call "C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\VC\\bin\\x86_amd64\\vcvarsx86_amd64.bat"
-                cd build_vc14_cpu
-                cmake -G \"Visual Studio 14 2015 Win64\" -DUSE_CUDA=0 -DUSE_CUDNN=0 -DUSE_NVRTC=0 -DUSE_OPENCV=1 -DUSE_OPENMP=1 -DUSE_PROFILER=1 -DUSE_BLAS=open -DUSE_LAPACK=1 -DUSE_DIST_KVSTORE=0 -DUSE_MKL_IF_AVAILABLE=0 ${env.WORKSPACE}"""
-              bat 'C:\\mxnet\\build_vc14_cpu.bat'
-
-              bat '''rmdir /s/q pkg_vc14_cpu
-                mkdir pkg_vc14_cpu\\lib
-                mkdir pkg_vc14_cpu\\python
-                mkdir pkg_vc14_cpu\\include
-                mkdir pkg_vc14_cpu\\build
-                copy build_vc14_cpu\\Release\\libmxnet.lib pkg_vc14_cpu\\lib
-                copy build_vc14_cpu\\Release\\libmxnet.dll pkg_vc14_cpu\\build
-                xcopy python pkg_vc14_cpu\\python /E /I /Y
-                xcopy include pkg_vc14_cpu\\include /E /I /Y
-                xcopy 3rdparty\\dmlc-core\\include pkg_vc14_cpu\\include /E /I /Y
-                xcopy 3rdparty\\mshadow\\mshadow pkg_vc14_cpu\\include\\mshadow /E /I /Y
-                xcopy 3rdparty\\nnvm\\include pkg_vc14_cpu\\nnvm\\include /E /I /Y
-                del /Q *.7z
-                7z.exe a vc14_cpu.7z pkg_vc14_cpu\\
-                '''
-              stash includes: 'vc14_cpu.7z', name: 'vc14_cpu'
+              powershell 'python ci/build_windows.py -f WIN_CPU'
+              stash includes: 'windows_package.7z', name: 'windows_package_cpu'
             }
           }
         }
@@ -411,28 +404,9 @@ try {
         timeout(time: max_time, unit: 'MINUTES') {
           ws('workspace/build-gpu') {
             withEnv(['OpenBLAS_HOME=C:\\mxnet\\openblas', 'OpenCV_DIR=C:\\mxnet\\opencv_vc14', 'CUDA_PATH=C:\\CUDA\\v8.0']) {
-            init_git_win()
-            bat """mkdir build_vc14_gpu
-              call "C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\VC\\bin\\x86_amd64\\vcvarsx86_amd64.bat"
-              cd build_vc14_gpu
-              cmake -G \"NMake Makefiles JOM\" -DUSE_CUDA=1 -DUSE_CUDNN=1 -DUSE_NVRTC=1 -DUSE_OPENCV=1 -DUSE_OPENMP=1 -DUSE_PROFILER=1 -DUSE_BLAS=open -DUSE_LAPACK=1 -DUSE_DIST_KVSTORE=0 -DCUDA_ARCH_NAME=Manual -DCUDA_ARCH_BIN=52 -DCUDA_ARCH_PTX=52 -DCMAKE_CXX_FLAGS_RELEASE="/FS /MD /O2 /Ob2 /DNDEBUG" -DCMAKE_BUILD_TYPE=Release -DUSE_MKL_IF_AVAILABLE=0 ${env.WORKSPACE}"""
-            bat 'C:\\mxnet\\build_vc14_gpu.bat'
-            bat '''rmdir /s/q pkg_vc14_gpu
-              mkdir pkg_vc14_gpu\\lib
-              mkdir pkg_vc14_gpu\\python
-              mkdir pkg_vc14_gpu\\include
-              mkdir pkg_vc14_gpu\\build
-              copy build_vc14_gpu\\libmxnet.lib pkg_vc14_gpu\\lib
-              copy build_vc14_gpu\\libmxnet.dll pkg_vc14_gpu\\build
-              xcopy python pkg_vc14_gpu\\python /E /I /Y
-              xcopy include pkg_vc14_gpu\\include /E /I /Y
-              xcopy 3rdparty\\dmlc-core\\include pkg_vc14_gpu\\include /E /I /Y
-              xcopy 3rdparty\\mshadow\\mshadow pkg_vc14_gpu\\include\\mshadow /E /I /Y
-              xcopy 3rdparty\\nnvm\\include pkg_vc14_gpu\\nnvm\\include /E /I /Y
-              del /Q *.7z
-              7z.exe a vc14_gpu.7z pkg_vc14_gpu\\
-              '''
-            stash includes: 'vc14_gpu.7z', name: 'vc14_gpu'
+              init_git_win()
+              powershell 'python ci/build_windows.py -f WIN_GPU'
+              stash includes: 'windows_package.7z', name: 'windows_package_gpu'
             }
           }
         }
@@ -443,37 +417,9 @@ try {
         timeout(time: max_time, unit: 'MINUTES') {
           ws('workspace/build-gpu') {
             withEnv(['OpenBLAS_HOME=C:\\mxnet\\openblas', 'OpenCV_DIR=C:\\mxnet\\opencv_vc14', 'CUDA_PATH=C:\\CUDA\\v8.0','BUILD_NAME=vc14_gpu_mkldnn']) {
-            init_git_win()
-            bat """mkdir build_%BUILD_NAME%
-              call "C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\VC\\bin\\x86_amd64\\vcvarsx86_amd64.bat"
-              cd build_%BUILD_NAME%
-              copy ${env.WORKSPACE}\\3rdparty\\mkldnn\\config_template.vcxproj.user ${env.WORKSPACE}\\config_template.vcxproj.user /y
-              cmake -G \"NMake Makefiles JOM\" -DUSE_CUDA=1 -DUSE_CUDNN=1 -DUSE_NVRTC=1 -DUSE_OPENCV=1 -DUSE_OPENMP=1 -DUSE_PROFILER=1 -DUSE_BLAS=open -DUSE_LAPACK=1 -DUSE_DIST_KVSTORE=0 -DCUDA_ARCH_NAME=Manual -DCUDA_ARCH_BIN=52 -DCUDA_ARCH_PTX=52 -DUSE_MKLDNN=1 -DCMAKE_CXX_FLAGS_RELEASE="/FS /MD /O2 /Ob2 /DNDEBUG" -DCMAKE_BUILD_TYPE=Release ${env.WORKSPACE}"""
-            bat '''
-                call "C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\VC\\bin\\x86_amd64\\vcvarsx86_amd64.bat"
-                cd build_%BUILD_NAME%
-                set /a cores=%NUMBER_OF_PROCESSORS% * 2
-                jom -j %cores%
-                '''
-            bat '''rmdir /s/q pkg_%BUILD_NAME%
-              mkdir pkg_%BUILD_NAME%\\lib
-              mkdir pkg_%BUILD_NAME%\\python
-              mkdir pkg_%BUILD_NAME%\\include
-              mkdir pkg_%BUILD_NAME%\\build
-              copy build_%BUILD_NAME%\\libmxnet.lib pkg_%BUILD_NAME%\\lib
-              copy build_%BUILD_NAME%\\libmxnet.dll pkg_%BUILD_NAME%\\build
-              copy build_%BUILD_NAME%\\3rdparty\\mkldnn\\src\\mkldnn.dll pkg_%BUILD_NAME%\\build
-              copy build_%BUILD_NAME%\\libiomp5md.dll pkg_%BUILD_NAME%\\build
-              copy build_%BUILD_NAME%\\mklml.dll pkg_%BUILD_NAME%\\build
-              xcopy python pkg_%BUILD_NAME%\\python /E /I /Y
-              xcopy include pkg_%BUILD_NAME%\\include /E /I /Y
-              xcopy 3rdparty\\dmlc-core\\include pkg_%BUILD_NAME%\\include /E /I /Y
-              xcopy 3rdparty\\mshadow\\mshadow pkg_%BUILD_NAME%\\include\\mshadow /E /I /Y
-              xcopy 3rdparty\\nnvm\\include pkg_%BUILD_NAME%\\nnvm\\include /E /I /Y
-              del /Q *.7z
-              7z.exe a %BUILD_NAME%.7z pkg_%BUILD_NAME%\\
-              '''
-            stash includes: 'vc14_gpu_mkldnn.7z', name: 'vc14_gpu_mkldnn'
+              init_git_win()
+              powershell 'python ci/build_windows.py -f WIN_GPU_MKLDNN'
+              stash includes: 'windows_package.7z', name: 'windows_package_gpu_mkldnn'
             }
           }
         }
@@ -574,6 +520,20 @@ try {
         }
       }
     },
+    'Python3: CPU debug': {
+      node('mxnetlinux-cpu') {
+        ws('workspace/ut-python3-cpu-debug') {
+          try {
+            init_git()
+            unpack_lib('cpu_debug', mx_cmake_lib_debug)
+            python3_ut('ubuntu_cpu')
+          } finally {
+            collect_test_results_unix('nosetests_unittest.xml', 'nosetests_python3_cpu_debug_unittest.xml')
+            collect_test_results_unix('nosetests_quantization.xml', 'nosetests_python3_cpu_debug_quantization.xml')
+          }
+        }
+      }
+    },
     'Python2: GPU': {
       node('mxnetlinux-gpu') {
         ws('workspace/ut-python2-gpu') {
@@ -843,16 +803,8 @@ try {
           ws('workspace/ut-python-cpu') {
             try {
               init_git_win()
-              unstash 'vc14_cpu'
-              bat '''rmdir /s/q pkg_vc14_cpu
-                7z x -y vc14_cpu.7z'''
-              bat """xcopy C:\\mxnet\\data data /E /I /Y
-                xcopy C:\\mxnet\\model model /E /I /Y
-                call activate py2
-                pip install mock
-                set PYTHONPATH=${env.WORKSPACE}\\pkg_vc14_cpu\\python
-                del /S /Q ${env.WORKSPACE}\\pkg_vc14_cpu\\python\\*.pyc
-                C:\\mxnet\\test_cpu.bat"""
+              unstash 'windows_package_cpu'
+              powershell 'ci/windows/test_py2_cpu.ps1'
             } finally {
               collect_test_results_windows('nosetests_unittest.xml', 'nosetests_unittest_windows_python2_cpu.xml')
             }
@@ -866,15 +818,8 @@ try {
           ws('workspace/ut-python-cpu') {
             try {
               init_git_win()
-              unstash 'vc14_cpu'
-              bat '''rmdir /s/q pkg_vc14_cpu
-                7z x -y vc14_cpu.7z'''
-              bat """xcopy C:\\mxnet\\data data /E /I /Y
-                xcopy C:\\mxnet\\model model /E /I /Y
-                call activate py3
-                set PYTHONPATH=${env.WORKSPACE}\\pkg_vc14_cpu\\python
-                del /S /Q ${env.WORKSPACE}\\pkg_vc14_cpu\\python\\*.pyc
-                C:\\mxnet\\test_cpu.bat"""
+              unstash 'windows_package_cpu'
+              powershell 'ci/windows/test_py3_cpu.ps1'
             } finally {
               collect_test_results_windows('nosetests_unittest.xml', 'nosetests_unittest_windows_python3_cpu.xml')
             }
@@ -888,19 +833,11 @@ try {
           ws('workspace/ut-python-gpu') {
             try {
               init_git_win()
-              unstash 'vc14_gpu'
-              bat '''rmdir /s/q pkg_vc14_gpu
-                7z x -y vc14_gpu.7z'''
-              bat """xcopy C:\\mxnet\\data data /E /I /Y
-                xcopy C:\\mxnet\\model model /E /I /Y
-                call activate py2
-                pip install mock
-                set PYTHONPATH=${env.WORKSPACE}\\pkg_vc14_gpu\\python
-                del /S /Q ${env.WORKSPACE}\\pkg_vc14_gpu\\python\\*.pyc
-                C:\\mxnet\\test_gpu.bat"""
+              unstash 'windows_package_gpu'
+              powershell 'ci/windows/test_py2_gpu.ps1'
             } finally {
-              collect_test_results_windows('nosetests_gpu_forward.xml', 'nosetests_gpu_forward_windows_python2_gpu.xml')
-              collect_test_results_windows('nosetests_gpu_operator.xml', 'nosetests_gpu_operator_windows_python2_gpu.xml')
+              collect_test_results_windows('nosetests_forward.xml', 'nosetests_gpu_forward_windows_python2_gpu.xml')
+              collect_test_results_windows('nosetests_operator.xml', 'nosetests_gpu_operator_windows_python2_gpu.xml')
             }
           }
         }
@@ -912,18 +849,11 @@ try {
           ws('workspace/ut-python-gpu') {
             try {
               init_git_win()
-              unstash 'vc14_gpu'
-              bat '''rmdir /s/q pkg_vc14_gpu
-                7z x -y vc14_gpu.7z'''
-              bat """xcopy C:\\mxnet\\data data /E /I /Y
-                xcopy C:\\mxnet\\model model /E /I /Y
-                call activate py3
-                set PYTHONPATH=${env.WORKSPACE}\\pkg_vc14_gpu\\python
-                del /S /Q ${env.WORKSPACE}\\pkg_vc14_gpu\\python\\*.pyc
-                C:\\mxnet\\test_gpu.bat"""
+              unstash 'windows_package_gpu'
+              powershell 'ci/windows/test_py3_gpu.ps1'
             } finally {
-              collect_test_results_windows('nosetests_gpu_forward.xml', 'nosetests_gpu_forward_windows_python3_gpu.xml')
-              collect_test_results_windows('nosetests_gpu_operator.xml', 'nosetests_gpu_operator_windows_python3_gpu.xml')
+              collect_test_results_windows('nosetests_forward.xml', 'nosetests_gpu_forward_windows_python3_gpu.xml')
+              collect_test_results_windows('nosetests_operator.xml', 'nosetests_gpu_operator_windows_python3_gpu.xml')
             }
           }
         }
@@ -935,18 +865,11 @@ try {
           ws('workspace/ut-python-gpu') {
             try {
               init_git_win()
-              unstash 'vc14_gpu_mkldnn'
-              bat '''rmdir /s/q pkg_vc14_gpu_mkldnn
-                7z x -y vc14_gpu_mkldnn.7z'''
-              bat """xcopy C:\\mxnet\\data data /E /I /Y
-                xcopy C:\\mxnet\\model model /E /I /Y
-                call activate py3
-                set PYTHONPATH=${env.WORKSPACE}\\pkg_vc14_gpu_mkldnn\\python
-                del /S /Q ${env.WORKSPACE}\\pkg_vc14_gpu_mkldnn\\python\\*.pyc
-                C:\\mxnet\\test_gpu.bat"""
+              unstash 'windows_package_gpu_mkldnn'
+              powershell 'ci/windows/test_py3_gpu.ps1'
             } finally {
-              collect_test_results_windows('nosetests_gpu_forward.xml', 'nosetests_gpu_forward_windows_python3_gpu_mkldnn.xml')
-              collect_test_results_windows('nosetests_gpu_operator.xml', 'nosetests_gpu_operator_windows_python3_gpu_mkldnn.xml')
+              collect_test_results_windows('nosetests_forward.xml', 'nosetests_gpu_forward_windows_python3_gpu_mkldnn.xml')
+              collect_test_results_windows('nosetests_operator.xml', 'nosetests_gpu_operator_windows_python3_gpu_mkldnn.xml')
             }
           }
         }

diff --git a/R-package/R/mlp.R b/R-package/R/mlp.R
@@ -8,7 +8,7 @@
 #' @param activation either a single string or a vector containing the names of the activation functions.
 #' @param out_activation a single string containing the name of the output activation function.
 #' @param ctx whether train on cpu (default) or gpu.
-#' @param eval_metric the evaluation metric/
+#' @param eval.metric the evaluation metric/
 #' @param ... other parameters passing to \code{mx.model.FeedForward.create}/
 #' 
 #' @examples

diff --git a/ci/build.py b/ci/build.py
@@ -39,6 +39,7 @@
 from itertools import chain
 from subprocess import call, check_call
 from typing import *
+from util import *
 
 CCACHE_MAXSIZE = '500G'
 
@@ -138,24 +139,9 @@ def _get_local_image_id(docker_binary, docker_tag):
     return image_id
 
 
-def get_mxnet_root() -> str:
-    curpath = os.path.abspath(os.path.dirname(__file__))
-
-    def is_mxnet_root(path: str) -> bool:
-        return os.path.exists(os.path.join(path, ".mxnet_root"))
-
-    while not is_mxnet_root(curpath):
-        parent = os.path.abspath(os.path.join(curpath, os.pardir))
-        if parent == curpath:
-            raise RuntimeError("Got to the root and couldn't find a parent folder with .mxnet_root")
-        curpath = parent
-    return curpath
-
-
 def buildir() -> str:
     return os.path.join(get_mxnet_root(), "build")
 
-
 def default_ccache_dir() -> str:
     # Share ccache across containers
     if 'CCACHE_DIR' in os.environ: