import Julia binding

Jenkinsfile

@@ -89,6 +89,30 @@ def python3_gpu_ut_nocudnn(docker_container_name) {
   }
 }
 
+def deploy_docs() {
+  parallel 'Docs': {
+    node(NODE_LINUX_CPU) {
+      ws('workspace/docs') {
+        timeout(time: max_time, unit: 'MINUTES') {
+          utils.init_git()
+          utils.docker_run('ubuntu_cpu', 'deploy_docs', false)
+          sh "ci/other/ci_deploy_doc.sh ${env.BRANCH_NAME} ${env.BUILD_NUMBER}"
+        }
+      }
+    }
+  },
+  'Julia docs': {
+    node(NODE_LINUX_CPU) {
+      ws('workspace/julia-docs') {
+        timeout(time: max_time, unit: 'MINUTES') {
+          utils.unpack_and_init('cpu', mx_lib)
+          utils.docker_run('ubuntu_cpu', 'deploy_jl_docs', false)
+        }
+      }
+    }
+  }
+}
+
 node('mxnetlinux-cpu') {
   // Loading the utilities requires a node context unfortunately
   checkout scm
@@ -746,6 +770,16 @@ core_logic: {
         }
       }
     },
+    'Julia 0.6: CPU': {
+      node(NODE_LINUX_CPU) {
+        ws('workspace/ut-julia06-cpu') {
+          timeout(time: max_time, unit: 'MINUTES') {
+            utils.unpack_and_init('cpu', mx_lib)
+            utils.docker_run('ubuntu_cpu', 'unittest_ubuntu_cpu_julia06', false)
+          }
+        }
+      }
+    },
 
     'Python 2: CPU Win':{
       node(NODE_WINDOWS_CPU) {
@@ -911,15 +945,7 @@ core_logic: {
   }
 
   stage('Deploy') {
-    node(NODE_LINUX_CPU) {
-      ws('workspace/docs') {
-        timeout(time: max_time, unit: 'MINUTES') {
-          utils.init_git()
-          utils.docker_run('ubuntu_cpu', 'deploy_docs', false)
-          sh "ci/other/ci_deploy_doc.sh ${env.BRANCH_NAME} ${env.BUILD_NUMBER}"
-        }
-      }
-    }
+    deploy_docs()
   }
 }
 ,

ci/docker/Dockerfile.build.ubuntu_cpu

@@ -45,6 +45,9 @@ RUN /work/ubuntu_r.sh
 COPY install/ubuntu_perl.sh /work/
 RUN /work/ubuntu_perl.sh
 
+COPY install/ubuntu_julia.sh /work/
+RUN /work/ubuntu_julia.sh
+
 COPY install/ubuntu_clang.sh /work/
 RUN /work/ubuntu_clang.sh
 

ci/docker/install/ubuntu_julia.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+# build and install are separated so changes to build don't invalidate
+# the whole docker cache for the image
+
+set -ex
+
+export JLBINARY='julia.tar.gz'
+export JULIADIR='/work/julia'
+export JULIA="${JULIADIR}/bin/julia"
+
+mkdir -p $JULIADIR
+# The julia version in Ubuntu repo is too old
+# We download the tarball from the official link:
+#   https://julialang.org/downloads/
+wget -O $JLBINARY https://julialang-s3.julialang.org/bin/linux/x64/0.6/julia-0.6.2-linux-x86_64.tar.gz
+tar xzvf $JLBINARY -C $JULIADIR --strip 1
+rm $JLBINARY
+
+$JULIA -e 'versioninfo()'

ci/docker/runtime_functions.sh

@@ -816,6 +816,35 @@ unittest_ubuntu_gpu_R() {
     make rpkgtest R_LIBS=/tmp/r-site-library R_GPU_ENABLE=1
 }
 
+unittest_ubuntu_cpu_julia06() {
+    set -ex
+    export PATH="/work/julia/bin:$PATH"
+    export MXNET_HOME='/work/mxnet'
+    export JULIA_PKGDIR='/work/julia-pkg'
+    export DEPDIR=`julia -e 'print(Pkg.dir())'`
+
+    julia -e 'versioninfo()'
+    julia -e 'Pkg.init()'
+
+    # install package
+    ln -sf ${MXNET_HOME}/julia ${DEPDIR}/MXNet
+
+    # install dependencies
+    julia -e 'Pkg.resolve()'
+
+    # FIXME
+    export LD_PRELOAD='/usr/lib/x86_64-linux-gnu/libjemalloc.so'
+
+    # use the prebuilt binary from $MXNET_HOME/lib
+    julia -e 'Pkg.build("MXNet")'
+
+    # run the script `julia/test/runtests.jl`
+    julia -e 'Pkg.test("MXNet")'
+
+    # See https://github.com/dmlc/MXNet.jl/pull/303#issuecomment-341171774
+    julia -e 'using MXNet; mx._sig_checker()'
+}
+
 unittest_centos7_cpu() {
     set -ex
     cd /work/mxnet
@@ -1090,6 +1119,31 @@ deploy_docs() {
     popd
 }
 
+deploy_jl_docs() {
+    set -ex
+    export PATH="/work/julia/bin:$PATH"
+    export MXNET_HOME='/work/mxnet'
+    export JULIA_PKGDIR='/work/julia-pkg'
+    export DEPDIR=`julia -e 'print(Pkg.dir())'`
+
+    julia -e 'versioninfo()'
+    julia -e 'Pkg.init()'
+    ln -sf ${MXNET_HOME}/julia ${DEPDIR}/MXNet
+    julia -e 'Pkg.resolve()'
+
+    # FIXME
+    export LD_PRELOAD='/usr/lib/x86_64-linux-gnu/libjemalloc.so'
+
+    # use the prebuilt binary from $MXNET_HOME/lib
+    julia -e 'Pkg.build("MXNet")'
+    # build docs
+    julia -e 'Pkg.add("Documenter")'
+    julia -e 'cd(Pkg.dir("MXNet")); include(joinpath("docs", "make.jl"))'
+
+    # TODO: make Jenkins worker push to MXNet.jl ph-pages branch if master build
+    # ...
+}
+
 # broken_link_checker
 
 broken_link_checker() {

julia/.gitattributes

@@ -0,0 +1 @@
+NEWS.md merge=union

julia/.gitignore

@@ -0,0 +1,13 @@
+*.jl.cov
+*.jl.*.cov
+*.jl.mem
+*.pyc
+.ipynb_checkpoints
+data
+deps/src
+deps/usr
+deps/deps.jl
+docs/_build
+docs/build/
+docs/site/
+.vscode

julia/.travis.yml

@@ -0,0 +1,59 @@
+# Documentation: http://docs.travis-ci.com/user/languages/julia/
+sudo: false
+
+language: julia
+
+os:
+  - linux
+  - osx
+osx_image: xcode8
+
+julia:
+  - 0.6
+#  - nightly 0.6 supports depends on #170
+
+branches:
+  only:
+    - master
+    - stable
+    - /^v\d+\.\d+(\.\d+)?(-\S*)?$/  # for tagging
+
+cache:
+  directories:
+    - $TRAVIS_BUILD_DIR/deps/src
+
+# dependent apt packages
+addons:
+  apt:
+    sources:
+      - ubuntu-toolchain-r-test
+    packages:
+      - doxygen
+      - wget
+      - git
+      - libcurl4-openssl-dev
+      - unzip
+      - libatlas-base-dev
+      - libatlas-dev
+      - libopencv-dev
+      - gcc-4.8
+      - g++-4.8
+
+before_install:
+  - export TRAVIS_DIR=test/travis
+  - source ${TRAVIS_DIR}/setup_env.sh
+
+notifications:
+  email: false
+
+script:
+  - ${TRAVIS_DIR}/run_test.sh
+
+after_success:
+  # See https://github.com/dmlc/MXNet.jl/pull/303#issuecomment-341171774
+  - julia -e 'using MXNet; mx._sig_checker()'
+
+  - source ${TRAVIS_DIR}/run_coverage.sh
+  - echo $TRAVIS_JULIA_VERSION
+  - julia -e 'Pkg.add("Documenter")'
+  - julia -e 'cd(Pkg.dir("MXNet")); include(joinpath("docs", "make.jl"))'