YarnOptimizerUtils.java

/*
 * 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.sysml.yarn.ropt;

public class YarnOptimizerUtils 
{
	public enum GridEnumType{
		EQUI_GRID,
		EXP_GRID,
		MEM_EQUI_GRID,
		HYBRID_MEM_EXP_GRID,
	}

	public static long toB( long mb )
	{
		return 1024 * 1024 * mb; 
	}

	public static long toMB( long b )
	{
		return b / (1024 * 1024); 
	}

	public static long computeMinContraint( long minAlloc, long maxAlloc, long numCores )
	{
		return ((long)(Math.max(minAlloc, maxAlloc/numCores )/minAlloc)*minAlloc); 	
	}
}