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From kiszk <...@git.apache.org>
Subject [GitHub] spark pull request #13680: [SPARK-15962][SQL] Introduce implementation with ...
Date Mon, 04 Jul 2016 08:48:14 GMT
Github user kiszk commented on a diff in the pull request:

    https://github.com/apache/spark/pull/13680#discussion_r69426474
  
    --- Diff: sql/core/src/test/scala/org/apache/spark/sql/execution/benchmark/UnsafeArrayDataBenchmark.scala
---
    @@ -0,0 +1,256 @@
    +/*
    + * 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.spark.sql.execution.benchmark
    +
    +import org.apache.spark.SparkConf
    +import org.apache.spark.sql.catalyst.encoders.ExpressionEncoder
    +import org.apache.spark.sql.catalyst.expressions.{UnsafeArrayData, UnsafeRow}
    +import org.apache.spark.sql.catalyst.expressions.codegen.{BufferHolder, UnsafeArrayWriter}
    +import org.apache.spark.unsafe.Platform
    +import org.apache.spark.util.Benchmark
    +
    +/**
    + * Benchmark [[UnsafeArrayDataBenchmark]] for UnsafeArrayData
    + * To run this:
    + *  build/sbt "sql/test-only *benchmark.UnsafeArrayDataBenchmark"
    + *
    + * Benchmarks in this file are skipped in normal builds.
    + */
    +class UnsafeArrayDataBenchmark extends BenchmarkBase {
    +
    +  def calculateHeaderPortionInBytes(count: Int) : Int = {
    --- End diff --
    
    I would like to keep this for ease of supporting multiple versions that have different
headers.


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