PopulationCount
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Calcola il conteggio della popolazione per elemento (noto anche come popcount, bitsum, bitcount).
Per ogni voce in "x", calcola il numero di bit "1" (on) nella rappresentazione binaria di quella voce.
NOTA : è più efficiente innanzitutto tf.bitcast
i tuoi tensori in "int32" o "int64" ed eseguire il conteggio dei bit sul risultato, piuttosto che inserire input a 8 o 16 bit e quindi aggregare i conteggi risultanti.
Costanti
Corda | OP_NAME | Il nome di questa operazione, come noto al motore principale di TensorFlow |
Metodi ereditati
Dalla classe java.lang.Object booleano | è uguale a (Oggetto arg0) |
Classe finale<?> | getClass () |
int | codice hash () |
vuoto finale | notificare () |
vuoto finale | notificaTutti () |
Corda | accordare () |
vuoto finale | attendere (lungo arg0, int arg1) |
vuoto finale | aspetta (lungo arg0) |
vuoto finale | Aspettare () |
Costanti
Stringa finale statica pubblica OP_NAME
Il nome di questa operazione, come noto al motore principale di TensorFlow
Valore costante: "PopulationCount"
Metodi pubblici
output pubblico < TUint8 > asOutput ()
Restituisce l'handle simbolico del tensore.
Gli input per le operazioni TensorFlow sono output di un'altra operazione TensorFlow. Questo metodo viene utilizzato per ottenere un handle simbolico che rappresenta il calcolo dell'input.
Metodo Factory per creare una classe che racchiude una nuova operazione PopulationCount.
ritorna
- una nuova istanza di PopulationCount
Salvo quando diversamente specificato, i contenuti di questa pagina sono concessi in base alla licenza Creative Commons Attribution 4.0, mentre gli esempi di codice sono concessi in base alla licenza Apache 2.0. Per ulteriori dettagli, consulta le norme del sito di Google Developers. Java è un marchio registrato di Oracle e/o delle sue consociate.
Ultimo aggiornamento 2025-07-26 UTC.
[null,null,["Ultimo aggiornamento 2025-07-26 UTC."],[],[],null,["# PopulationCount\n\npublic final class **PopulationCount** \nComputes element-wise population count (a.k.a. popcount, bitsum, bitcount).\n\n\nFor each entry in \\`x\\`, calculates the number of \\`1\\` (on) bits in the binary\nrepresentation of that entry.\n\n\n**NOTE** : It is more efficient to first [`tf.bitcast`](https://www.tensorflow.org/api_docs/python/tf/bitcast) your tensors into\n\\`int32\\` or \\`int64\\` and perform the bitcount on the result, than to feed in\n8- or 16-bit inputs and then aggregate the resulting counts.\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n### Constants\n\n|--------|------------------------------------------------------------------------------|---------------------------------------------------------|\n| String | [OP_NAME](/jvm/api_docs/java/org/tensorflow/op/math/PopulationCount#OP_NAME) | The name of this op, as known by TensorFlow core engine |\n\n### Public Methods\n\n|----------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [Output](/jvm/api_docs/java/org/tensorflow/Output)\\\u003c[TUint8](/jvm/api_docs/java/org/tensorflow/types/TUint8)\\\u003e | [asOutput](/jvm/api_docs/java/org/tensorflow/op/math/PopulationCount#asOutput())() Returns the symbolic handle of the tensor. |\n| static [PopulationCount](/jvm/api_docs/java/org/tensorflow/op/math/PopulationCount) | [create](/jvm/api_docs/java/org/tensorflow/op/math/PopulationCount#create(org.tensorflow.op.Scope, org.tensorflow.Operand\u003c? extends org.tensorflow.types.family.TNumber\u003e))([Scope](/jvm/api_docs/java/org/tensorflow/op/Scope) scope, [Operand](/jvm/api_docs/java/org/tensorflow/Operand)\\\u003c? extends [TNumber](/jvm/api_docs/java/org/tensorflow/types/family/TNumber)\\\u003e x) Factory method to create a class wrapping a new PopulationCount operation. |\n| [Output](/jvm/api_docs/java/org/tensorflow/Output)\\\u003c[TUint8](/jvm/api_docs/java/org/tensorflow/types/TUint8)\\\u003e | [y](/jvm/api_docs/java/org/tensorflow/op/math/PopulationCount#y())() |\n\n### Inherited Methods\n\nFrom class [org.tensorflow.op.RawOp](/jvm/api_docs/java/org/tensorflow/op/RawOp) \n\n|----------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| final boolean | [equals](/jvm/api_docs/java/org/tensorflow/op/RawOp#equals(java.lang.Object))(Object obj) |\n| final int | [hashCode](/jvm/api_docs/java/org/tensorflow/op/RawOp#hashCode())() |\n| [Operation](/jvm/api_docs/java/org/tensorflow/Operation) | [op](/jvm/api_docs/java/org/tensorflow/op/RawOp#op())() Return this unit of computation as a single [Operation](/jvm/api_docs/java/org/tensorflow/Operation). |\n| final String | [toString](/jvm/api_docs/java/org/tensorflow/op/RawOp#toString())() |\n\nFrom class java.lang.Object \n\n|------------------|---------------------------|\n| boolean | equals(Object arg0) |\n| final Class\\\u003c?\\\u003e | getClass() |\n| int | hashCode() |\n| final void | notify() |\n| final void | notifyAll() |\n| String | toString() |\n| final void | wait(long arg0, int arg1) |\n| final void | wait(long arg0) |\n| final void | wait() |\n\nFrom interface [org.tensorflow.op.Op](/jvm/api_docs/java/org/tensorflow/op/Op) \n\n|-----------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| abstract [ExecutionEnvironment](/jvm/api_docs/java/org/tensorflow/ExecutionEnvironment) | [env](/jvm/api_docs/java/org/tensorflow/op/Op#env())() Return the execution environment this op was created in. |\n| abstract [Operation](/jvm/api_docs/java/org/tensorflow/Operation) | [op](/jvm/api_docs/java/org/tensorflow/op/Op#op())() Return this unit of computation as a single [Operation](/jvm/api_docs/java/org/tensorflow/Operation). |\n\nFrom interface [org.tensorflow.Operand](/jvm/api_docs/java/org/tensorflow/Operand) \n\n|-------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| abstract [Output](/jvm/api_docs/java/org/tensorflow/Output)\\\u003c[TUint8](/jvm/api_docs/java/org/tensorflow/types/TUint8)\\\u003e | [asOutput](/jvm/api_docs/java/org/tensorflow/Operand#asOutput())() Returns the symbolic handle of the tensor. |\n| abstract [TUint8](/jvm/api_docs/java/org/tensorflow/types/TUint8) | [asTensor](/jvm/api_docs/java/org/tensorflow/Operand#asTensor())() Returns the tensor at this operand. |\n| abstract [Shape](/jvm/api_docs/java/org/tensorflow/ndarray/Shape) | [shape](/jvm/api_docs/java/org/tensorflow/Operand#shape())() Returns the (possibly partially known) shape of the tensor referred to by the [Output](/jvm/api_docs/java/org/tensorflow/Output) of this operand. |\n| abstract Class\\\u003c[TUint8](/jvm/api_docs/java/org/tensorflow/types/TUint8)\\\u003e | [type](/jvm/api_docs/java/org/tensorflow/Operand#type())() Returns the tensor type of this operand |\n\nFrom interface [org.tensorflow.ndarray.Shaped](/jvm/api_docs/java/org/tensorflow/ndarray/Shaped) \n\n|-------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------|\n| abstract int | [rank](/jvm/api_docs/java/org/tensorflow/ndarray/Shaped#rank())() |\n| abstract [Shape](/jvm/api_docs/java/org/tensorflow/ndarray/Shape) | [shape](/jvm/api_docs/java/org/tensorflow/ndarray/Shaped#shape())() |\n| abstract long | [size](/jvm/api_docs/java/org/tensorflow/ndarray/Shaped#size())() Computes and returns the total size of this container, in number of values. |\n\nConstants\n---------\n\n#### public static final String\n**OP_NAME**\n\nThe name of this op, as known by TensorFlow core engine \nConstant Value: \"PopulationCount\"\n\nPublic Methods\n--------------\n\n#### public [Output](/jvm/api_docs/java/org/tensorflow/Output)\\\u003c[TUint8](/jvm/api_docs/java/org/tensorflow/types/TUint8)\\\u003e\n**asOutput**\n()\n\nReturns the symbolic handle of the tensor.\n\nInputs to TensorFlow operations are outputs of another TensorFlow operation. This method is\nused to obtain a symbolic handle that represents the computation of the input.\n\n\u003cbr /\u003e\n\n#### public static [PopulationCount](/jvm/api_docs/java/org/tensorflow/op/math/PopulationCount)\n**create**\n([Scope](/jvm/api_docs/java/org/tensorflow/op/Scope) scope, [Operand](/jvm/api_docs/java/org/tensorflow/Operand)\\\u003c? extends [TNumber](/jvm/api_docs/java/org/tensorflow/types/family/TNumber)\\\u003e x)\n\nFactory method to create a class wrapping a new PopulationCount operation. \n\n##### Parameters\n\n| scope | current scope |\n|-------|---------------|\n\n##### Returns\n\n- a new instance of PopulationCount \n\n#### public [Output](/jvm/api_docs/java/org/tensorflow/Output)\\\u003c[TUint8](/jvm/api_docs/java/org/tensorflow/types/TUint8)\\\u003e\n**y**\n()\n\n\u003cbr /\u003e"]]