Backport 3rdparty/openmp fixes (#17193)

* Upgrade 3rdparty/openmp to release_90 version (#17012)

Fixes #10856

* Fix omp assert issue (#17039)

* Disable OpenMP offloading support for 3rdparty/openmp (#17098)

* Disable OpenMP offloading support for 3rdparty/openmp

OpenMP offloading was introduced some time during the past two years and is
enabled by default. With upgrading 3rdparty/openmp in
#17012
it was made part of the MXNet CMake build.

But we don't use OpenMP offloading and the Cuda target in the llvm OpenMP
Offloading build is broken in our setting.

* Update CMake on CI

* Fix reshape interoperability test (#17155)

* fix reshape interoperability test

* fix for scipy import

Co-authored-by: Chris Olivier <[email protected]>
Co-authored-by: Hao Jin <[email protected]>

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.0.2)
+cmake_minimum_required(VERSION 3.13)
 
 # workaround to store CMAKE_CROSSCOMPILING because is getting reset by the project command
 if(CMAKE_CROSSCOMPILING)
@@ -240,7 +240,7 @@ if(USE_TENSORRT)
 endif()
 
 # please note that when you enable this, you might run into an linker not being able to work properly due to large code injection.
-# you can find more information here https://github.com/apache/incubator-mxnet/issues/15971 
+# you can find more information here https://github.com/apache/incubator-mxnet/issues/15971
 if(ENABLE_TESTCOVERAGE)
   message(STATUS "Compiling with test coverage support enabled. This will result in additional files being written to your source directory!")
   find_program( GCOV_PATH gcov )
@@ -436,18 +436,24 @@ endif()
 
 # ---[ OpenMP
 if(USE_OPENMP)
+
+  function(load_omp)
+    # Intel/llvm OpenMP: https://github.com/llvm-mirror/openmp
+    set(OPENMP_STANDALONE_BUILD TRUE)
+    set(LIBOMP_ENABLE_SHARED TRUE)
+    set(CMAKE_BUILD_TYPE Release)
+    set(OPENMP_ENABLE_LIBOMPTARGET OFF CACHE BOOL "LLVM OpenMP offloading support")  # Requires CMP0077 CMake 3.13
+    add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/openmp)
+  endfunction()
+
   find_package(OpenMP REQUIRED)
   # This should build on Windows, but there's some problem and I don't have a Windows box, so
   # could a Windows user please fix?
   if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/openmp/CMakeLists.txt
      AND SYSTEM_ARCHITECTURE STREQUAL "x86_64"
      AND NOT MSVC
      AND NOT CMAKE_CROSSCOMPILING)
-
-    # Intel/llvm OpenMP: https://github.com/llvm-mirror/openmp
-    set(OPENMP_STANDALONE_BUILD TRUE)
-    set(LIBOMP_ENABLE_SHARED TRUE)
-    add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/openmp)
+    load_omp()
     list(REMOVE_ITEM mxnet_LINKER_LIBS iomp5)
     list(APPEND mxnet_LINKER_LIBS omp)
     if(UNIX)

ci/build_windows.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 # Licensed to the Apache Software Foundation (ASF) under one
@@ -28,7 +28,9 @@
 import platform
 import shutil
 import sys
+import tempfile
 import time
+import zipfile
 from distutils.dir_util import copy_tree
 from enum import Enum
 from subprocess import check_call
@@ -147,22 +149,33 @@ def windows_build(args):
     mxnet_root = get_mxnet_root()
     logging.info("Found MXNet root: {}".format(mxnet_root))
 
-    with remember_cwd():
-        os.chdir(path)
-        cmd = "\"{}\" && cmake -G \"NMake Makefiles JOM\" {} {}".format(args.vcvars,
-                                                                        CMAKE_FLAGS[args.flavour],
-                                                                        mxnet_root)
-        logging.info("Generating project with CMake:\n{}".format(cmd))
-        check_call(cmd, shell=True)
-
-        cmd = "\"{}\" && jom".format(args.vcvars)
-        logging.info("Building with jom:\n{}".format(cmd))
-
-        t0 = int(time.time())
-        check_call(cmd, shell=True)
-
-        logging.info("Build flavour: {} complete in directory: \"{}\"".format(args.flavour, os.path.abspath(path)))
-        logging.info("Build took {}".format(datetime.timedelta(seconds=int(time.time() - t0))))
+    url = 'https://github.com/Kitware/CMake/releases/download/v3.16.1/cmake-3.16.1-win64-x64.zip'
+    with tempfile.TemporaryDirectory() as tmpdir:
+        cmake_file_path = download_file(url, tmpdir)
+        with zipfile.ZipFile(cmake_file_path, 'r') as zip_ref:
+            # Create $tmpdir\cmake-3.16.1-win64-x64\bin\cmake.exe
+            zip_ref.extractall(tmpdir)
+
+        with remember_cwd():
+            os.chdir(path)
+            cmd = "\"{}\" && {} -G \"NMake Makefiles JOM\" {} {}".format(
+                args.vcvars,
+                os.path.join(tmpdir, 'cmake-3.16.1-win64-x64', 'bin', 'cmake.exe'),
+                CMAKE_FLAGS[args.flavour], mxnet_root)
+            logging.info("Generating project with CMake:\n{}".format(cmd))
+            check_call(cmd, shell=True)
+
+            cmd = "\"{}\" && jom".format(args.vcvars)
+            logging.info("Building with jom:\n{}".format(cmd))
+
+            t0 = int(time.time())
+            check_call(cmd, shell=True)
+
+            logging.info(
+                "Build flavour: {} complete in directory: \"{}\"".format(
+                    args.flavour, os.path.abspath(path)))
+            logging.info("Build took {}".format(
+                datetime.timedelta(seconds=int(time.time() - t0))))
     windows_package(args)
 
 
@@ -262,4 +275,3 @@ def main():
 
 if __name__ == '__main__':
     sys.exit(main())
-

ci/docker/Dockerfile.build.android_armv7

@@ -18,7 +18,7 @@
 #
 # Dockerfile to build MXNet for Android ARMv7
 
-FROM mxnetcipinned/dockcross-base:11262018
+FROM dockcross/base
 MAINTAINER Pedro Larroy "[email protected]"
 
 # The cross-compiling emulator

ci/docker/Dockerfile.build.android_armv8

@@ -18,7 +18,7 @@
 #
 # Dockerfile to build MXNet for Android ARM64/ARMv8
 
-FROM mxnetcipinned/dockcross-base:11262018
+FROM dockcross/base
 MAINTAINER Pedro Larroy "[email protected]"
 
 RUN apt-get update && apt-get install -y \
@@ -82,4 +82,4 @@ RUN /work/ubuntu_adduser.sh
 
 COPY runtime_functions.sh /work/
 
-WORKDIR /work/build
+WORKDIR /work/build

ci/docker/Dockerfile.build.armv6

@@ -18,7 +18,7 @@
 #
 # Dockerfile to build MXNet for ARMv6
 
-FROM mxnetcipinned/dockcross-linux-armv6:11262018
+FROM dockcross/linux-armv6
 
 ENV ARCH armv6l
 ENV HOSTCC gcc

ci/docker/Dockerfile.build.armv7

@@ -18,7 +18,7 @@
 #
 # Dockerfile to build MXNet for Android ARMv7
 
-FROM mxnetcipinned/dockcross-linux-armv7:11262018
+FROM dockcross/linux-armv7
 
 ENV ARCH armv7l
 ENV HOSTCC gcc

ci/docker/Dockerfile.build.armv8

@@ -18,7 +18,7 @@
 #
 # Dockerfile to build MXNet for ARM64/ARMv8
 
-FROM mxnetcipinned/dockcross-linux-arm64:11262018
+FROM dockcross/linux-arm64
 
 ENV ARCH aarch64
 ENV HOSTCC gcc

ci/docker/Dockerfile.build.jetson

@@ -22,7 +22,7 @@
 
 FROM nvidia/cuda:9.0-cudnn7-devel as cudabuilder
 
-FROM mxnetcipinned/dockcross-linux-arm64:11262018
+FROM dockcross/linux-arm64
 
 ENV ARCH aarch64
 ENV HOSTCC gcc

ci/docker/install/requirements

@@ -26,8 +26,8 @@ h5py==2.8.0rc1
 mock==2.0.0
 nose==1.3.7
 nose-timer==0.7.3
-numpy>1.16.0,<2.0.0
+numpy>1.16.0,<1.18.0
 pylint==2.3.1; python_version >= '3.0'
 requests<2.19.0,>=2.18.4
-scipy==1.0.1
+scipy==1.2.1
 six==1.11.0

ci/docker/install/ubuntu_core.sh

@@ -53,11 +53,10 @@ apt-get install -y \
 ln -s /usr/lib/x86_64-linux-gnu/libturbojpeg.so.0.1.0 /usr/lib/x86_64-linux-gnu/libturbojpeg.so
 
 
-# Note: we specify an exact cmake version to work around a cmake 3.10 CUDA 10 issue.
-# Reference: https://github.com/clab/dynet/issues/1457
+# CMake 3.13.2+ is required
 mkdir /opt/cmake && cd /opt/cmake
-wget -nv https://cmake.org/files/v3.12/cmake-3.12.4-Linux-x86_64.sh
-sh cmake-3.12.4-Linux-x86_64.sh --prefix=/opt/cmake --skip-license
+wget -nv https://cmake.org/files/v3.13/cmake-3.13.5-Linux-x86_64.sh
+sh cmake-3.13.5-Linux-x86_64.sh --prefix=/opt/cmake --skip-license
 ln -s /opt/cmake/bin/cmake /usr/local/bin/cmake
-rm cmake-3.12.4-Linux-x86_64.sh
+rm cmake-3.13.5-Linux-x86_64.sh
 cmake --version

ci/util.py

@@ -15,12 +15,15 @@
 # specific language governing permissions and limitations
 # under the License.
 
-import os
 import contextlib
 import logging
 import logging.config
+import os
+import subprocess
 import sys
 
+import requests
+
 
 def get_mxnet_root() -> str:
     curpath = os.path.abspath(os.path.dirname(__file__))
@@ -130,3 +133,31 @@ def config_logging():
     # or sensitive information
     logging.getLogger("botocore").setLevel(logging.WARNING)
     logging.getLogger("requests").setLevel(logging.WARNING)
+
+
+# Takes url and downloads it to the dest_path directory on Windows.
+def download_file(url, dest_path):
+    file_name = url.split('/')[-1]
+    full_path = "{}\\{}".format(dest_path, file_name)
+    logging.info("Downloading: {}".format(full_path))
+    r = requests.get(url, stream=True)
+    if r.status_code == 404:
+        return r.status_code
+    elif r.status_code != 200:
+        logging.error("{} returned status code {}".format(url, r.status_code))
+    with open(full_path, 'wb') as f:
+        for chunk in r.iter_content(chunk_size=1024):
+            if chunk: # filter out keep-alive new chunks
+                f.write(chunk)
+    return full_path
+
+
+# Takes arguments and runs command on host.  Shell is disabled by default.
+def run_command(args, shell=False):
+    try:
+        logging.info("Issuing command: {}".format(args))
+        res = subprocess.check_output(args, shell=shell, timeout=1800).decode("utf-8").replace("\r\n", "")
+        logging.info("Output: {}".format(res))
+    except subprocess.CalledProcessError as e:
+        raise RuntimeError("command '{}' return with error (code {}): {}".format(e.cmd, e.returncode, e.output))
+    return res

src/engine/openmp.cc

@@ -41,6 +41,7 @@ OpenMP *OpenMP::Get() {
 OpenMP::OpenMP()
   : omp_num_threads_set_in_environment_(is_env_set("OMP_NUM_THREADS")) {
 #ifdef _OPENMP
+  initialize_process();
   const int max = dmlc::GetEnv("MXNET_OMP_MAX_THREADS", INT_MIN);
   if (max != INT_MIN) {
     omp_thread_max_ = max;
@@ -61,6 +62,12 @@ OpenMP::OpenMP()
 #endif
 }
 
+void OpenMP:: initialize_process() {
+#ifdef _OPENMP
+  omp_get_num_procs();  // will force OpenMP to be initialized
+#endif
+}
+
 void OpenMP::on_start_worker_thread(bool use_omp) {
 #ifdef _OPENMP
   if (!omp_num_threads_set_in_environment_) {

src/engine/openmp.h

@@ -74,6 +74,13 @@ class OpenMP {
    */
   void on_start_worker_thread(bool use_omp);
 
+  /*!
+   * \brief Initialize a new process to use omp (after a fork,
+   *        in case you're starting threads in the atfork() that may interfere
+   *        with the initialization. Can serialize the init with this first.
+   */
+  void initialize_process();
+
   /*!
    * \brief Get the OpenMP object's singleton pointer
    * \return Singleton OpenMP object pointer

src/initialize.cc

@@ -209,6 +209,7 @@ void LibraryInitializer::atfork_child() {
 #if MXNET_USE_OPENCV && !__APPLE__
   cv::setNumThreads(mp_cv_num_threads_);
 #endif  // MXNET_USE_OPENCV
+  engine::OpenMP::Get()->initialize_process();
   engine::OpenMP::Get()->set_thread_max(1);
   engine::OpenMP::Get()->set_enabled(false);
   Engine::Get()->Start();
@@ -218,6 +219,7 @@ void LibraryInitializer::atfork_child() {
 
 void LibraryInitializer::install_pthread_atfork_handlers() {
 #ifndef _WIN32
+  engine::OpenMP::Get()->initialize_process();  // force omp to set its atfork handler first
   pthread_atfork(pthread_atfork_prepare, pthread_atfork_parent, pthread_atfork_child);
 #endif
 }

tests/python/unittest/test_metric.py

@@ -18,6 +18,7 @@
 import mxnet as mx
 import numpy as np
 import scipy
+from scipy.stats import pearsonr
 import json
 import math
 from common import with_seed
@@ -267,7 +268,7 @@ def test_pearsonr():
     pred1 = mx.nd.array([[0.3, 0.7], [0, 1.], [0.4, 0.6]])
     label1 = mx.nd.array([[1, 0], [0, 1], [0, 1]])
     pearsonr_expected_np = np.corrcoef(pred1.asnumpy().ravel(), label1.asnumpy().ravel())[0, 1]
-    pearsonr_expected_scipy, _ = scipy.stats.pearsonr(pred1.asnumpy().ravel(), label1.asnumpy().ravel())
+    pearsonr_expected_scipy, _ = pearsonr(pred1.asnumpy().ravel(), label1.asnumpy().ravel())
     macro_pr = mx.metric.create('pearsonr', average='macro')
     micro_pr = mx.metric.create('pearsonr', average='micro')
 
@@ -289,7 +290,7 @@ def test_pearsonr():
     label12 = mx.nd.array([[1, 0], [0, 1], [0, 1], [1, 0], [0, 1], [0, 1]])
 
     pearsonr_expected_np = np.corrcoef(pred12.asnumpy().ravel(), label12.asnumpy().ravel())[0, 1]
-    pearsonr_expected_scipy, _ = scipy.stats.pearsonr(pred12.asnumpy().ravel(), label12.asnumpy().ravel())
+    pearsonr_expected_scipy, _ = pearsonr(pred12.asnumpy().ravel(), label12.asnumpy().ravel())
 
     macro_pr.reset()
     micro_pr.update([label2], [pred2])

tests/python/unittest/test_numpy_interoperability.py

@@ -576,7 +576,7 @@ def _add_workload_reshape():
     # OpArgMngr.add_workload('reshape', b, (2, 2), order='F')  # Items are not equal with order='F'
 
     a = np.array(_np.ones((0, 2)))
-    OpArgMngr.add_workload('reshape', a, -1, 2)
+    OpArgMngr.add_workload('reshape', a, (-1, 2))
 
 
 def _add_workload_rint(array_pool):