abstract class BatchedTableCompressor extends AutoCloseable with Arm with Logging
Base class for batched compressors
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new
BatchedTableCompressor(maxBatchMemorySize: Long, stream: Stream)
- maxBatchMemorySize
The upper limit in bytes of estimated output memory usage at which a batch should be compressed. A single table that requires estimated output memory above this limit is allowed but will be compressed individually.
- stream
CUDA stream to use
Abstract Value Members
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abstract
def
compress(tables: Array[ContiguousTable], stream: Stream): Array[CompressedTable]
Batch-compress contiguous tables
Batch-compress contiguous tables
- tables
contiguous tables to compress
- stream
CUDA stream to use
- returns
compressed tables. Table IDs in the
TableMetashould be set to 0.
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Concrete Value Members
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final
def
!=(arg0: Any): Boolean
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final
def
##(): Int
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final
def
==(arg0: Any): Boolean
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def
addTableToCompress(contigTable: ContiguousTable): Unit
Add a contiguous table to be batch-compressed.
Add a contiguous table to be batch-compressed. Ownership of the table is transferred to the batch compressor which is responsible for closing the table.
- contigTable
the contiguous table to be compressed
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def
addTables(contigTable: Array[ContiguousTable]): Unit
Add an array of contiguous tables to be compressed.
Add an array of contiguous tables to be compressed. The tables will be closed by the batch compressor.
- contigTable
contiguous tables to compress
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final
def
asInstanceOf[T0]: T0
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def
clone(): AnyRef
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def
close(): Unit
Must be closed to release the resources owned by the batch compressor
Must be closed to release the resources owned by the batch compressor
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- BatchedTableCompressor → AutoCloseable
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def
closeOnExcept[T <: AutoCloseable, V](r: Option[T])(block: (Option[T]) ⇒ V): V
Executes the provided code block, closing the resources only if an exception occurs
Executes the provided code block, closing the resources only if an exception occurs
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def
closeOnExcept[T <: AutoCloseable, V](r: ArrayBuffer[T])(block: (ArrayBuffer[T]) ⇒ V): V
Executes the provided code block, closing the resources only if an exception occurs
Executes the provided code block, closing the resources only if an exception occurs
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def
closeOnExcept[T <: AutoCloseable, V](r: Array[T])(block: (Array[T]) ⇒ V): V
Executes the provided code block, closing the resources only if an exception occurs
Executes the provided code block, closing the resources only if an exception occurs
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def
closeOnExcept[T <: AutoCloseable, V](r: Seq[T])(block: (Seq[T]) ⇒ V): V
Executes the provided code block, closing the resources only if an exception occurs
Executes the provided code block, closing the resources only if an exception occurs
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def
closeOnExcept[T <: AutoCloseable, V](r: T)(block: (T) ⇒ V): V
Executes the provided code block, closing the resource only if an exception occurs
Executes the provided code block, closing the resource only if an exception occurs
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final
def
eq(arg0: AnyRef): Boolean
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def
equals(arg0: Any): Boolean
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def
finish(): Array[CompressedTable]
This must be called after all tables to be compressed have been added to retrieve the compression results.
This must be called after all tables to be compressed have been added to retrieve the compression results.
- returns
compressed tables
- Note
the table IDs in the TableMeta of all tables will be set to zero
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def
freeOnExcept[T <: RapidsBuffer, V](r: T)(block: (T) ⇒ V): V
Executes the provided code block, freeing the RapidsBuffer only if an exception occurs
Executes the provided code block, freeing the RapidsBuffer only if an exception occurs
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final
def
getClass(): Class[_]
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def
hashCode(): Int
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def
initializeLogIfNecessary(isInterpreter: Boolean, silent: Boolean): Boolean
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def
initializeLogIfNecessary(isInterpreter: Boolean): Unit
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def
isInstanceOf[T0]: Boolean
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def
isTraceEnabled(): Boolean
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def
log: Logger
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def
logDebug(msg: ⇒ String, throwable: Throwable): Unit
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def
logDebug(msg: ⇒ String): Unit
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def
logError(msg: ⇒ String, throwable: Throwable): Unit
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def
logError(msg: ⇒ String): Unit
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def
logInfo(msg: ⇒ String, throwable: Throwable): Unit
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def
logInfo(msg: ⇒ String): Unit
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def
logName: String
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def
logTrace(msg: ⇒ String, throwable: Throwable): Unit
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def
logTrace(msg: ⇒ String): Unit
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def
logWarning(msg: ⇒ String, throwable: Throwable): Unit
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def
logWarning(msg: ⇒ String): Unit
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ne(arg0: AnyRef): Boolean
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def
notify(): Unit
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def
notifyAll(): Unit
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def
resizeOversizedOutputs(tables: Array[CompressedTable]): Array[CompressedTable]
Reallocates and copies data for oversized compressed data buffers due to inaccurate estimates of the compressed output size.
Reallocates and copies data for oversized compressed data buffers due to inaccurate estimates of the compressed output size. If the buffer is already the appropriate size then no copy is performed.
- tables
compressed tables to resize
- returns
right-sized compressed tables
- Attributes
- protected
- Note
This method takes ownership of the tables and is responsible for closing them.
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final
def
synchronized[T0](arg0: ⇒ T0): T0
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def
toString(): String
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def
wait(arg0: Long, arg1: Int): Unit
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def
wait(arg0: Long): Unit
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def
wait(): Unit
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def
withResource[T <: AutoCloseable, V](h: CloseableHolder[T])(block: (CloseableHolder[T]) ⇒ V): V
Executes the provided code block and then closes the resource
Executes the provided code block and then closes the resource
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def
withResource[T <: AutoCloseable, V](r: ArrayBuffer[T])(block: (ArrayBuffer[T]) ⇒ V): V
Executes the provided code block and then closes the array buffer of resources
Executes the provided code block and then closes the array buffer of resources
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def
withResource[T <: AutoCloseable, V](r: Array[T])(block: (Array[T]) ⇒ V): V
Executes the provided code block and then closes the array of resources
Executes the provided code block and then closes the array of resources
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def
withResource[T <: AutoCloseable, V](r: Seq[T])(block: (Seq[T]) ⇒ V): V
Executes the provided code block and then closes the sequence of resources
Executes the provided code block and then closes the sequence of resources
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def
withResource[T <: AutoCloseable, V](r: Option[T])(block: (Option[T]) ⇒ V): V
Executes the provided code block and then closes the Option[resource]
Executes the provided code block and then closes the Option[resource]
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def
withResource[T <: AutoCloseable, V](r: T)(block: (T) ⇒ V): V
Executes the provided code block and then closes the resource
Executes the provided code block and then closes the resource
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def
withResourceIfAllowed[T, V](r: T)(block: (T) ⇒ V): V
Executes the provided code block and then closes the value if it is AutoCloseable
Executes the provided code block and then closes the value if it is AutoCloseable
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