org.apache.mxnet.io

ResizeIter

Related Doc: package io

class ResizeIter extends DataIter

Resize a DataIter to given number of batches per epoch. May produce incomplete batch in the middle of an epoch due to padding from internal iterator.

Linear Supertypes
DataIter, Iterator[DataBatch], TraversableOnce[DataBatch], GenTraversableOnce[DataBatch], AnyRef, Any
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Inherited
  1. ResizeIter
  2. DataIter
  3. Iterator
  4. TraversableOnce
  5. GenTraversableOnce
  6. AnyRef
  7. Any
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Instance Constructors

  1. new ResizeIter(dataIter: DataIter, reSize: Int, resetInternal: Boolean = true)

    dataIter

    Internal data iterator.

    reSize

    number of batches per epoch to resize to.

    resetInternal

    whether to reset internal iterator on ResizeIter.reset

Type Members

  1. class GroupedIterator[B >: A] extends AbstractIterator[Seq[B]] with Iterator[Seq[B]]

    Definition Classes
    Iterator

Value Members

  1. final def !=(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  2. final def ##(): Int

    Definition Classes
    AnyRef → Any

  3. def ++[B >: DataBatch](that: ⇒ GenTraversableOnce[B]): Iterator[B]

    Definition Classes
    Iterator

  4. def /:[B](z: B)(op: (B, DataBatch) ⇒ B): B

    Definition Classes
    TraversableOnce → GenTraversableOnce

  5. def :\[B](z: B)(op: (DataBatch, B) ⇒ B): B

    Definition Classes
    TraversableOnce → GenTraversableOnce

  6. final def ==(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  7. def addString(b: StringBuilder): StringBuilder

    Definition Classes
    TraversableOnce

  8. def addString(b: StringBuilder, sep: String): StringBuilder

    Definition Classes
    TraversableOnce

  9. def addString(b: StringBuilder, start: String, sep: String, end: String): StringBuilder

    Definition Classes
    TraversableOnce

  10. def aggregate[B](z: ⇒ B)(seqop: (B, DataBatch) ⇒ B, combop: (B, B) ⇒ B): B

    Definition Classes
    TraversableOnce → GenTraversableOnce

  11. final def asInstanceOf[T0]: T0

    Definition Classes
    Any

  12. def batchSize: Int

    Definition Classes
    ResizeIter → DataIter

  13. def buffered: BufferedIterator[DataBatch]

    Definition Classes
    Iterator

  14. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  15. def collect[B](pf: PartialFunction[DataBatch, B]): Iterator[B]

    Definition Classes
    Iterator
    Annotations
    @migration
    Migration

    (Changed in version 2.8.0) collect has changed. The previous behavior can be reproduced with toSeq.

  16. def collectFirst[B](pf: PartialFunction[DataBatch, B]): Option[B]

    Definition Classes
    TraversableOnce

  17. def contains(elem: Any): Boolean

    Definition Classes
    Iterator

  18. def copyToArray[B >: DataBatch](xs: Array[B], start: Int, len: Int): Unit

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  19. def copyToArray[B >: DataBatch](xs: Array[B]): Unit

    Definition Classes
    TraversableOnce → GenTraversableOnce

  20. def copyToArray[B >: DataBatch](xs: Array[B], start: Int): Unit

    Definition Classes
    TraversableOnce → GenTraversableOnce

  21. def copyToBuffer[B >: DataBatch](dest: Buffer[B]): Unit

    Definition Classes
    TraversableOnce

  22. def corresponds[B](that: GenTraversableOnce[B])(p: (DataBatch, B) ⇒ Boolean): Boolean

    Definition Classes
    Iterator

  23. def count(p: (DataBatch) ⇒ Boolean): Int

    Definition Classes
    TraversableOnce → GenTraversableOnce

  24. def defaultBucketKey: AnyRef

    Definition Classes
    DataIter

  25. def drop(n: Int): Iterator[DataBatch]

    Definition Classes
    Iterator

  26. def dropWhile(p: (DataBatch) ⇒ Boolean): Iterator[DataBatch]

    Definition Classes
    Iterator

  27. def duplicate: (Iterator[DataBatch], Iterator[DataBatch])

    Definition Classes
    Iterator

  28. final def eq(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  29. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  30. def exists(p: (DataBatch) ⇒ Boolean): Boolean

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  31. def filter(p: (DataBatch) ⇒ Boolean): Iterator[DataBatch]

    Definition Classes
    Iterator

  32. def filterNot(p: (DataBatch) ⇒ Boolean): Iterator[DataBatch]

    Definition Classes
    Iterator

  33. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )

  34. def find(p: (DataBatch) ⇒ Boolean): Option[DataBatch]

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  35. def flatMap[B](f: (DataBatch) ⇒ GenTraversableOnce[B]): Iterator[B]

    Definition Classes
    Iterator

  36. def fold[A1 >: DataBatch](z: A1)(op: (A1, A1) ⇒ A1): A1

    Definition Classes
    TraversableOnce → GenTraversableOnce

  37. def foldLeft[B](z: B)(op: (B, DataBatch) ⇒ B): B

    Definition Classes
    TraversableOnce → GenTraversableOnce

  38. def foldRight[B](z: B)(op: (DataBatch, B) ⇒ B): B

    Definition Classes
    TraversableOnce → GenTraversableOnce

  39. def forall(p: (DataBatch) ⇒ Boolean): Boolean

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  40. def foreach[U](f: (DataBatch) ⇒ U): Unit

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  41. final def getClass(): Class[_]

    Definition Classes
    AnyRef → Any

  42. def getData(): IndexedSeq[NDArray]

    get data of current batch

    get data of current batch

    returns

    the data of current batch

    Definition Classes
    ResizeIter → DataIter

  43. def getIndex(): IndexedSeq[Long]

    Get the index of current batch

    Get the index of current batch

    returns

    the index of current batch

    Definition Classes
    ResizeIter → DataIter

  44. def getLabel(): IndexedSeq[NDArray]

    Get label of current batch

    Get label of current batch

    returns

    the label of current batch

    Definition Classes
    ResizeIter → DataIter

  45. def getPad(): Int

    Get the number of padding examples in current batch

    Get the number of padding examples in current batch

    returns

    number of padding examples in current batch

    Definition Classes
    ResizeIter → DataIter

  46. def grouped[B >: DataBatch](size: Int): GroupedIterator[B]

    Definition Classes
    Iterator

  47. def hasDefiniteSize: Boolean

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  48. def hasNext: Boolean

    Definition Classes
    ResizeIter → Iterator

  49. def hashCode(): Int

    Definition Classes
    AnyRef → Any

  50. def indexOf[B >: DataBatch](elem: B): Int

    Definition Classes
    Iterator

  51. def indexWhere(p: (DataBatch) ⇒ Boolean): Int

    Definition Classes
    Iterator

  52. def isEmpty: Boolean

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  53. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any

  54. def isTraversableAgain: Boolean

    Definition Classes
    Iterator → GenTraversableOnce

  55. def length: Int

    Definition Classes
    Iterator

  56. def map[B](f: (DataBatch) ⇒ B): Iterator[B]

    Definition Classes
    Iterator

  57. def max[B >: DataBatch](implicit cmp: Ordering[B]): DataBatch

    Definition Classes
    TraversableOnce → GenTraversableOnce

  58. def maxBy[B](f: (DataBatch) ⇒ B)(implicit cmp: Ordering[B]): DataBatch

    Definition Classes
    TraversableOnce → GenTraversableOnce

  59. def min[B >: DataBatch](implicit cmp: Ordering[B]): DataBatch

    Definition Classes
    TraversableOnce → GenTraversableOnce

  60. def minBy[B](f: (DataBatch) ⇒ B)(implicit cmp: Ordering[B]): DataBatch

    Definition Classes
    TraversableOnce → GenTraversableOnce

  61. def mkString: String

    Definition Classes
    TraversableOnce → GenTraversableOnce

  62. def mkString(sep: String): String

    Definition Classes
    TraversableOnce → GenTraversableOnce

  63. def mkString(start: String, sep: String, end: String): String

    Definition Classes
    TraversableOnce → GenTraversableOnce

  64. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  65. def next(): DataBatch

    get next data batch from iterator

    get next data batch from iterator

    returns

    Definition Classes
    ResizeIter → DataIter → Iterator
    Annotations
    @throws( classOf[NoSuchElementException] )

  66. def nonEmpty: Boolean

    Definition Classes
    TraversableOnce → GenTraversableOnce

  67. final def notify(): Unit

    Definition Classes
    AnyRef

  68. final def notifyAll(): Unit

    Definition Classes
    AnyRef

  69. def padTo[A1 >: DataBatch](len: Int, elem: A1): Iterator[A1]

    Definition Classes
    Iterator

  70. def partition(p: (DataBatch) ⇒ Boolean): (Iterator[DataBatch], Iterator[DataBatch])

    Definition Classes
    Iterator

  71. def patch[B >: DataBatch](from: Int, patchElems: Iterator[B], replaced: Int): Iterator[B]

    Definition Classes
    Iterator

  72. def product[B >: DataBatch](implicit num: Numeric[B]): B

    Definition Classes
    TraversableOnce → GenTraversableOnce

  73. def provideData: ListMap[String, Shape]

    Definition Classes
    ResizeIter → DataIter

  74. def provideLabel: ListMap[String, Shape]

    Definition Classes
    ResizeIter → DataIter

  75. def reduce[A1 >: DataBatch](op: (A1, A1) ⇒ A1): A1

    Definition Classes
    TraversableOnce → GenTraversableOnce

  76. def reduceLeft[B >: DataBatch](op: (B, DataBatch) ⇒ B): B

    Definition Classes
    TraversableOnce

  77. def reduceLeftOption[B >: DataBatch](op: (B, DataBatch) ⇒ B): Option[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  78. def reduceOption[A1 >: DataBatch](op: (A1, A1) ⇒ A1): Option[A1]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  79. def reduceRight[B >: DataBatch](op: (DataBatch, B) ⇒ B): B

    Definition Classes
    TraversableOnce → GenTraversableOnce

  80. def reduceRightOption[B >: DataBatch](op: (DataBatch, B) ⇒ B): Option[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  81. def reset(): Unit

    reset the iterator

    reset the iterator

    Definition Classes
    ResizeIter → DataIter

  82. def reversed: List[DataBatch]

    Attributes
    protected[this]
    Definition Classes
    TraversableOnce

  83. def sameElements(that: Iterator[_]): Boolean

    Definition Classes
    Iterator

  84. def scanLeft[B](z: B)(op: (B, DataBatch) ⇒ B): Iterator[B]

    Definition Classes
    Iterator

  85. def scanRight[B](z: B)(op: (DataBatch, B) ⇒ B): Iterator[B]

    Definition Classes
    Iterator

  86. def seq: Iterator[DataBatch]

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  87. def size: Int

    Definition Classes
    TraversableOnce → GenTraversableOnce

  88. def slice(from: Int, until: Int): Iterator[DataBatch]

    Definition Classes
    Iterator

  89. def sliding[B >: DataBatch](size: Int, step: Int): GroupedIterator[B]

    Definition Classes
    Iterator

  90. def span(p: (DataBatch) ⇒ Boolean): (Iterator[DataBatch], Iterator[DataBatch])

    Definition Classes
    Iterator

  91. def sum[B >: DataBatch](implicit num: Numeric[B]): B

    Definition Classes
    TraversableOnce → GenTraversableOnce

  92. final def synchronized[T0](arg0: ⇒ T0): T0

    Definition Classes
    AnyRef

  93. def take(n: Int): Iterator[DataBatch]

    Definition Classes
    Iterator

  94. def takeWhile(p: (DataBatch) ⇒ Boolean): Iterator[DataBatch]

    Definition Classes
    Iterator

  95. def to[Col[_]](implicit cbf: CanBuildFrom[Nothing, DataBatch, Col[DataBatch]]): Col[DataBatch]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  96. def toArray[B >: DataBatch](implicit arg0: ClassTag[B]): Array[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  97. def toBuffer[B >: DataBatch]: Buffer[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  98. def toIndexedSeq: IndexedSeq[DataBatch]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  99. def toIterable: Iterable[DataBatch]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  100. def toIterator: Iterator[DataBatch]

    Definition Classes
    Iterator → GenTraversableOnce

  101. def toList: List[DataBatch]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  102. def toMap[T, U](implicit ev: <:<[DataBatch, (T, U)]): Map[T, U]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  103. def toSeq: Seq[DataBatch]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  104. def toSet[B >: DataBatch]: Set[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  105. def toStream: Stream[DataBatch]

    Definition Classes
    Iterator → GenTraversableOnce

  106. def toString(): String

    Definition Classes
    Iterator → AnyRef → Any

  107. def toTraversable: Traversable[DataBatch]

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  108. def toVector: Vector[DataBatch]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  109. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  110. final def wait(arg0: Long, arg1: Int): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  111. final def wait(arg0: Long): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  112. def withFilter(p: (DataBatch) ⇒ Boolean): Iterator[DataBatch]

    Definition Classes
    Iterator

  113. def zip[B](that: Iterator[B]): Iterator[(DataBatch, B)]

    Definition Classes
    Iterator

  114. def zipAll[B, A1 >: DataBatch, B1 >: B](that: Iterator[B], thisElem: A1, thatElem: B1): Iterator[(A1, B1)]

    Definition Classes
    Iterator

  115. def zipWithIndex: Iterator[(DataBatch, Int)]

    Definition Classes
    Iterator

Inherited from DataIter

Inherited from Iterator[DataBatch]

Inherited from TraversableOnce[DataBatch]

Inherited from GenTraversableOnce[DataBatch]

Inherited from AnyRef

Inherited from Any

Ungrouped