[GitHub] mdespriee commented on issue #12140: Impossible to provide arguments to random_normal in scala ?

[GitBox <gi...@apache.org>]

mdespriee commented on issue #12140: Impossible to provide arguments to random_normal in scala ?
URL: https://github.com/apache/incubator-mxnet/issues/12140#issuecomment-412439645
 
 
   Actually, I tried that as well, and can't make it work either. 
   ```scala
   object NormalTest extends App {
     val mean = Symbol.Variable("mean")
     val std = Symbol.Variable("std")
     val s = Symbol.random_normal("gaussian")()(Map("loc"->mean, "scale"->std, "shape" -> (2,2)))
   
     val exec = s.bind(Context.defaultCtx, Map(
       "mean" -> NDArray.array(Array(0f, 10f), Shape(2)),
       "std" -> NDArray.array(Array(1f, 2f), Shape(2))
     ))
   
     exec.forward()
     println(s"Result= ${exec.outputs.head.toArray.mkString(",")} ")
   }
   ```
   
   ```
   # A fatal error has been detected by the Java Runtime Environment:
   #
   #  SIGSEGV (0xb) at pc=0x00007f0ec1a742eb, pid=4360, tid=0x00007f0efab2f700
   #
   # JRE version: OpenJDK Runtime Environment (8.0_151-b12) (build 1.8.0_151-8u151-b12-0ubuntu0.16.04.2-b12)
   # Java VM: OpenJDK 64-Bit Server VM (25.151-b12 mixed mode linux-amd64 compressed oops)
   # Problematic frame:
   # C  [mxnet-scala+0x6a32eb]  mxnet::NDArray::NDArray(mxnet::NDArray const&)+0xb
   ```
   and:
   ```
   Stack: [0x00007f0efaa2f000,0x00007f0efab30000],  sp=0x00007f0efab2d160,  free space=1016k
   Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
   C  [mxnet-scala+0x6a32eb]  mxnet::NDArray::NDArray(mxnet::NDArray const&)+0xb
   
   Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
   j  org.apache.mxnet.LibInfo.mxExecutorBindEX(JIII[Ljava/lang/String;[I[II[J[J[I[JJLorg/apache/mxnet/Base$RefLong;)I+0
   j  org.apache.mxnet.Symbol.bindHelper(Lorg/apache/mxnet/Context;Lscala/collection/Seq;Lscala/collection/Iterable;Lscala/collection/Iterable;Lscala/collection/Iterable;Lscala/collection/Iterable;Lscala/collection/immutable/Map;Lorg/apache/mxnet/Executor;)Lorg/apache/mxnet/Executor;+767
   j  org.apache.mxnet.Symbol.bind(Lorg/apache/mxnet/Context;Lscala/collection/immutable/Map;)Lorg/apache/mxnet/Executor;+38
   j  NormalTest$.delayedEndpoint$NormalTest$1()V+365
   j  NormalTest$delayedInit$body.apply()Ljava/lang/Object;+4
   j  scala.Function0$class.apply$mcV$sp(Lscala/Function0;)V+1
   j  scala.runtime.AbstractFunction0.apply$mcV$sp()V+1
   j  scala.App$$anonfun$main$1.apply(Lscala/Function0;)V+1
   j  scala.App$$anonfun$main$1.apply(Ljava/lang/Object;)Ljava/lang/Object;+5
   J 13378 C2 scala.collection.immutable.List.foreach(Lscala/Function1;)V (32 bytes) @ 0x00007f0f442aef24 [0x00007f0f442aee80+0xa4]
   J 15261 C1 scala.collection.generic.TraversableForwarder$class.foreach(Lscala/collection/generic/TraversableForwarder;Lscala/Function1;)V (13 bytes) @ 0x00007f0f45cb6bfc [0x00007f0f45cb6b80+0x7c]
   j  scala.App$class.main(Lscala/App;[Ljava/lang/String;)V+21
   j  NormalTest$.main([Ljava/lang/String;)V+2
   ```
   

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