[MXNET-1224]: improve scala maven jni build and packing. (apache#13493)

Major JNI feature changes. Please find more info here: https://cwiki.apache.org/confluence/display/MXNET/Scala+maven+build+improvement
lanking520 · Jan 3, 2019 · 059723e · 059723e
1 parent 3122bb8
commit 059723e
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Showing 18 changed files with 291 additions and 96 deletions.
diff --git a/scala-package/assembly/linux-x86_64-cpu/pom.xml b/scala-package/assembly/linux-x86_64-cpu/pom.xml
@@ -14,6 +14,10 @@
   <name>MXNet Scala Package - Full Linux-x86_64 CPU-only</name>
   <packaging>jar</packaging>
 
+  <properties>
+    <MXNET_DIR>${project.parent.parent.basedir}/..</MXNET_DIR>
+  </properties>
+
   <dependencies>
     <dependency>
       <groupId>org.apache.mxnet</groupId>

diff --git a/scala-package/assembly/linux-x86_64-cpu/src/main/assembly/assembly.xml b/scala-package/assembly/linux-x86_64-cpu/src/main/assembly/assembly.xml
@@ -25,4 +25,10 @@
       </includes>
     </dependencySet>
   </dependencySets>
+  <files>
+    <file>
+      <source>${MXNET_DIR}/lib/libmxnet.so</source>
+      <outputDirectory>lib/native</outputDirectory>
+    </file>
+  </files>
 </assembly>
diff --git a/scala-package/assembly/linux-x86_64-gpu/pom.xml b/scala-package/assembly/linux-x86_64-gpu/pom.xml
@@ -14,6 +14,10 @@
   <name>MXNet Scala Package - Full Linux-x86_64 GPU</name>
   <packaging>jar</packaging>
 
+  <properties>
+    <MXNET_DIR>${project.parent.parent.basedir}/..</MXNET_DIR>
+  </properties>
+
   <dependencies>
     <dependency>
       <groupId>org.apache.mxnet</groupId>

diff --git a/scala-package/assembly/linux-x86_64-gpu/src/main/assembly/assembly.xml b/scala-package/assembly/linux-x86_64-gpu/src/main/assembly/assembly.xml
@@ -25,4 +25,10 @@
       </includes>
     </dependencySet>
   </dependencySets>
+  <files>
+    <file>
+      <source>${MXNET_DIR}/lib/libmxnet.so</source>
+      <outputDirectory>lib/native</outputDirectory>
+    </file>
+  </files>
 </assembly>
diff --git a/scala-package/assembly/osx-x86_64-cpu/main/assembly/assembly.xml b/scala-package/assembly/osx-x86_64-cpu/main/assembly/assembly.xml
diff --git a/scala-package/assembly/osx-x86_64-cpu/pom.xml b/scala-package/assembly/osx-x86_64-cpu/pom.xml
@@ -14,6 +14,10 @@
   <name>MXNet Scala Package - Full OSX-x86_64 CPU-only</name>
   <packaging>jar</packaging>
 
+  <properties>
+    <MXNET_DIR>${project.parent.parent.basedir}/..</MXNET_DIR>
+  </properties>
+
   <dependencies>
     <dependency>
       <groupId>org.apache.mxnet</groupId>

diff --git a/scala-package/assembly/osx-x86_64-cpu/src/main/assembly/assembly.xml b/scala-package/assembly/osx-x86_64-cpu/src/main/assembly/assembly.xml
@@ -25,4 +25,10 @@
       </includes>
     </dependencySet>
   </dependencySets>
+  <files>
+    <file>
+      <source>${MXNET_DIR}/lib/libmxnet.so</source>
+      <outputDirectory>lib/native</outputDirectory>
+    </file>
+  </files>
 </assembly>
diff --git a/scala-package/core/pom.xml b/scala-package/core/pom.xml
@@ -12,6 +12,7 @@
 
   <properties>
     <skipTests>true</skipTests>
+    <MXNET_DIR>${project.parent.basedir}/..</MXNET_DIR>
   </properties>
 
   <artifactId>mxnet-core_2.11</artifactId>
@@ -77,6 +78,9 @@
             -Djava.library.path=${project.parent.basedir}/native/${platform}/target \
             -Dlog4j.configuration=file://${project.basedir}/src/test/resources/log4j.properties
           </argLine>
+          <environmentVariables>
+            <LD_LIBRARY_PATH>${MXNET_DIR}/lib</LD_LIBRARY_PATH>
+          </environmentVariables>
         </configuration>
       </plugin>
       <plugin>
@@ -88,6 +92,10 @@
             -Djava.library.path=${project.parent.basedir}/native/${platform}/target
           </argLine>
           <skipTests>${skipTests}</skipTests>
+          <forkMode>always</forkMode>
+          <environmentVariables>
+            <LD_LIBRARY_PATH>${MXNET_DIR}/lib</LD_LIBRARY_PATH>
+          </environmentVariables>
         </configuration>
       </plugin>
       <plugin>

diff --git a/scala-package/core/src/main/scala/org/apache/mxnet/util/NativeLibraryLoader.scala b/scala-package/core/src/main/scala/org/apache/mxnet/util/NativeLibraryLoader.scala
@@ -85,12 +85,10 @@ private[mxnet] object NativeLibraryLoader {
       }
     logger.debug(s"Attempting to load $loadLibname")
     val libFileInJar = libPathInJar + loadLibname
-    val is: InputStream = getClass.getResourceAsStream(libFileInJar)
-    if (is == null) {
-      throw new UnsatisfiedLinkError(s"Couldn't find the resource $loadLibname")
-    }
-    logger.info(s"Loading $loadLibname from $libPathInJar copying to $libname")
-    loadLibraryFromStream(libname, is)
+    saveLibraryToTemp("libmxnet.so", "/lib/native/libmxnet.so")
+    val tempfile: File = saveLibraryToTemp(libname, libFileInJar)
+
+    loadLibraryFromFile(libname, tempfile)
   }
 
   /**
@@ -109,19 +107,42 @@ private[mxnet] object NativeLibraryLoader {
 
   @throws(classOf[IOException])
   private def createTempFile(name: String): File = {
-    new File(_tempDir + File.separator + name)
+    new File(_tempDir, name)
   }
 
   /**
    * Load a system library from a stream. Copies the library to a temp file
    * and loads from there.
    *
    * @param libname name of the library (just used in constructing the library name)
-   * @param is      InputStream pointing to the library
+   * @param tempfile File pointing to the library
    */
-  private def loadLibraryFromStream(libname: String, is: InputStream) {
+  private def loadLibraryFromFile(libname: String, tempfile: File) {
+    try {
+      logger.debug("Loading library from {}", tempfile.getPath)
+      System.load(tempfile.getPath)
+    } catch {
+      case ule: UnsatisfiedLinkError =>
+        logger.error("Couldn't load copied link file: {}", ule.toString)
+        throw ule
+    }
+  }
+
+  /**
+    * Load a system library from a stream. Copies the library to a temp file
+    * and loads from there.
+    *
+    * @param libname name of the library (just used in constructing the library name)
+    * @param resource String resource path in the jar file
+    */
+  private def saveLibraryToTemp(libname: String, resource: String): File = {
     try {
-      val tempfile: File = createTempFile(libname)
+      val is: InputStream = getClass.getResourceAsStream(resource)
+      if (is == null) {
+        throw new UnsatisfiedLinkError(s"Couldn't find the resource $resource")
+      }
+
+      val tempfile: File = new File(_tempDir, libname)
       val os: OutputStream = new FileOutputStream(tempfile)
       logger.debug("tempfile.getPath() = {}", tempfile.getPath)
       val savedTime: Long = System.currentTimeMillis
@@ -131,20 +152,14 @@ private[mxnet] object NativeLibraryLoader {
         os.write(buf, 0, len)
         len = is.read(buf)
       }
-      os.flush()
-      val lock: InputStream = new FileInputStream(tempfile)
       os.close()
+      is.close()
       val seconds: Double = (System.currentTimeMillis - savedTime).toDouble / 1e3
-      logger.debug(s"Copying took $seconds seconds.")
-      logger.debug("Loading library from {}", tempfile.getPath)
-      System.load(tempfile.getPath)
-      lock.close()
+      logger.debug(s"Copying $libname took $seconds seconds.")
+      tempfile
     } catch {
       case io: IOException =>
-        logger.error("Could not create the temp file: {}", io.toString)
-      case ule: UnsatisfiedLinkError =>
-        logger.error("Couldn't load copied link file: {}", ule.toString)
-        throw ule
+        throw new UnsatisfiedLinkError(s"Could not create temp file for $libname")
     }
   }
 }
diff --git a/scala-package/examples/pom.xml b/scala-package/examples/pom.xml
@@ -15,6 +15,7 @@
 
   <properties>
     <skipTests>true</skipTests>
+    <MXNET_DIR>${project.parent.basedir}/..</MXNET_DIR>
   </properties>
 
   <profiles>
@@ -151,6 +152,9 @@
             -Djava.library.path=${project.parent.basedir}/native/${platform}/target \
             -Dlog4j.configuration=file://${project.basedir}/src/test/resources/log4j.properties
           </argLine>
+          <environmentVariables>
+            <LD_LIBRARY_PATH>${MXNET_DIR}/lib</LD_LIBRARY_PATH>
+          </environmentVariables>
         </configuration>
       </plugin>
       <plugin>

diff --git a/scala-package/infer/pom.xml b/scala-package/infer/pom.xml
@@ -15,6 +15,7 @@
 
     <properties>
         <skipTests>true</skipTests>
+        <MXNET_DIR>${project.parent.basedir}/..</MXNET_DIR>
     </properties>
 
     <profiles>
@@ -77,6 +78,9 @@
                         -Djava.library.path=${project.parent.basedir}/native/${platform}/target \
                         -Dlog4j.configuration=file://${project.basedir}/src/test/resources/log4j.properties
                     </argLine>
+                    <environmentVariables>
+                        <LD_LIBRARY_PATH>${MXNET_DIR}/lib</LD_LIBRARY_PATH>
+                    </environmentVariables>
                 </configuration>
             </plugin>
             <plugin>

diff --git a/scala-package/init-native/linux-x86_64/pom.xml b/scala-package/init-native/linux-x86_64/pom.xml
@@ -16,6 +16,10 @@
 
   <packaging>so</packaging>
 
+  <properties>
+    <MXNET_DIR>${project.parent.parent.basedir}/..</MXNET_DIR>
+  </properties>
+
   <dependencies>
     <dependency>
       <groupId>org.apache.mxnet</groupId>
@@ -62,22 +66,24 @@
             <compilerStartOption>-std=c++0x</compilerStartOption>
           </compilerStartOptions>
           <compilerEndOptions>
-            <compilerEndOption>-I${project.basedir}/../../../include</compilerEndOption>
-            <compilerEndOption>${all_includes}</compilerEndOption>
-            <compilerEndOption>${cflags}</compilerEndOption>
+            <compilerEndOption>-I${MXNET_DIR}/include</compilerEndOption>
+            <compilerEndOption>-I${MXNET_DIR}/3rdparty/dmlc-core/include</compilerEndOption>
+            <compilerEndOption>-I${MXNET_DIR}/3rdparty/mshadow</compilerEndOption>
+            <compilerEndOption>-I${MXNET_DIR}/3rdparty/dlpack/include</compilerEndOption>
+            <compilerEndOption>-I${MXNET_DIR}/3rdparty/tvm/nnvm/include</compilerEndOption>
+            <compilerEndOption>-DMSHADOW_USE_MKL=0 -DMSHADOW_USE_CUDA=0</compilerEndOption>
+            <compilerEndOption>-O3 -DNDEBUG=1 -fPIC -msse3 -mf16c</compilerEndOption>
+            <compilerEndOption>-Wall -Wsign-compare -Wno-unused-parameter -Wno-unknown-pragmas -Wno-unused-local-typedefs</compilerEndOption>
           </compilerEndOptions>
           <linkerStartOptions>
             <linkerStartOption>-shared</linkerStartOption>
           </linkerStartOptions>
           <linkerMiddleOptions>
-            <linkerMiddleOption>${all_ldpaths}</linkerMiddleOption>
             <linkerMiddleOption>-Wl,--whole-archive</linkerMiddleOption>
-             <linkerMiddleOption>${lddeps}</linkerMiddleOption>
-            <linkerMiddleOption>-Wl,--no-whole-archive</linkerMiddleOption>
+            <linkerMiddleOption>-Wl,--no-whole-archive -pthread -lm -fopenmp -lrt</linkerMiddleOption>
           </linkerMiddleOptions>
           <linkerEndOptions>
-            <linkerEndOption>${ldflags}</linkerEndOption>
-            <linkerEndOption>-fopenmp</linkerEndOption>
+            <linkerEndOption>-Wl,-rpath=${dollar}ORIGIN -lmxnet -L${MXNET_DIR}/lib</linkerEndOption>
           </linkerEndOptions>
         </configuration>
 
@@ -86,7 +92,6 @@
             <id>javah</id>
             <phase>generate-sources</phase>
             <configuration>
-              <javahOS>linux</javahOS>
               <javahProvider>default</javahProvider>
               <javahOutputDirectory>${project.build.directory}/custom-javah</javahOutputDirectory>
               <workingDirectory>${basedir}</workingDirectory>
@@ -101,6 +106,25 @@
           </execution>
         </executions>
       </plugin>
+
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>exec-maven-plugin</artifactId>
+        <version>1.6.0</version>
+        <executions>
+          <execution>
+            <id>link-native-lib</id>
+            <phase>generate-resources</phase>
+            <goals>
+              <goal>exec</goal>
+            </goals>
+            <configuration>
+              <executable>ln</executable>
+              <commandlineArgs>-sf ${MXNET_DIR}/lib/libmxnet.so ${project.build.directory}/libmxnet.so</commandlineArgs>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
     </plugins>
   </build>
 </project>