hadoop GpuDevice 源码
haddop GpuDevice 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/resourceplugin/gpu/GpuDevice.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.hadoop.yarn.server.nodemanager.containermanager.resourceplugin.gpu;
import java.io.Serializable;
/**
* This class is used to represent GPU device while allocation.
*/
public class GpuDevice implements Serializable, Comparable {
protected int index;
protected int minorNumber;
private static final long serialVersionUID = -6812314470754667710L;
public GpuDevice(int index, int minorNumber) {
this.index = index;
this.minorNumber = minorNumber;
}
public int getIndex() {
return index;
}
public int getMinorNumber() {
return minorNumber;
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof GpuDevice)) {
return false;
}
GpuDevice other = (GpuDevice) obj;
return index == other.index && minorNumber == other.minorNumber;
}
@Override
public int compareTo(Object obj) {
if (!(obj instanceof GpuDevice)) {
return -1;
}
GpuDevice other = (GpuDevice) obj;
int result = Integer.compare(index, other.index);
if (0 != result) {
return result;
}
return Integer.compare(minorNumber, other.minorNumber);
}
@Override
public int hashCode() {
final int prime = 47;
return prime * index + minorNumber;
}
@Override
public String toString() {
return "(index=" + index + ",minor_number=" + minorNumber + ")";
}
}
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