com.nvidia.spark.TimingUtils.scala Maven / Gradle / Ivy

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Creates the distribution package of the RAPIDS plugin for Apache Spark

There is a newer version: 24.10.1

/*
 * Copyright (c) 2021, NVIDIA CORPORATION.
 *
 * Licensed 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 com.nvidia.spark

import java.util.concurrent.TimeUnit.NANOSECONDS

object TimingUtils {
  /** Records the duration of running `body`. */
  def timeTakenMs[T](body: => T): (T, Long) = {
    val startTime = System.nanoTime()
    val result = body
    val endTime = System.nanoTime()
    (result, math.max(NANOSECONDS.toMillis(endTime - startTime), 0))
  }
}