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[VL] Add a benchmark to track on iterator facility's performance (apa…
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228 changes: 0 additions & 228 deletions
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gluten-core/src/main/scala/org/apache/gluten/utils/Iterators.scala
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53 changes: 53 additions & 0 deletions
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gluten-core/src/main/scala/org/apache/gluten/utils/iterator/Iterators.scala
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You under the Apache License, Version 2.0 | ||
| * (the "License"); you may not use this file except in compliance with | ||
| * the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package org.apache.gluten.utils.iterator | ||
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| import org.apache.gluten.utils.iterator.IteratorsV1.WrapperBuilderV1 | ||
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| import org.apache.spark.TaskContext | ||
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| /** | ||
| * Utility class to provide iterator wrappers for non-trivial use cases. E.g. iterators that manage | ||
| * payload's lifecycle. | ||
| */ | ||
| object Iterators { | ||
| sealed trait Version | ||
| case object V1 extends Version | ||
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| private val DEFAULT_VERSION: Version = V1 | ||
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| trait WrapperBuilder[A] { | ||
| def recyclePayload(closeCallback: (A) => Unit): WrapperBuilder[A] | ||
| def recycleIterator(completionCallback: => Unit): WrapperBuilder[A] | ||
| def collectLifeMillis(onCollected: Long => Unit): WrapperBuilder[A] | ||
| def collectReadMillis(onAdded: Long => Unit): WrapperBuilder[A] | ||
| def asInterruptible(context: TaskContext): WrapperBuilder[A] | ||
| def protectInvocationFlow(): WrapperBuilder[A] | ||
| def create(): Iterator[A] | ||
| } | ||
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| def wrap[A](in: Iterator[A]): WrapperBuilder[A] = { | ||
| wrap(V1, in) | ||
| } | ||
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| def wrap[A](version: Version, in: Iterator[A]): WrapperBuilder[A] = { | ||
| version match { | ||
| case V1 => | ||
| new WrapperBuilderV1[A](in) | ||
| } | ||
| } | ||
| } |
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