org.nd4j.linalg.heartbeat.reports.Environment Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2015-2018 Skymind, Inc.
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://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.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
package org.nd4j.linalg.heartbeat.reports;
import lombok.Data;
import lombok.NoArgsConstructor;
import java.io.Serializable;
/**
* Bean/POJO that describes current jvm/node
*
* @author [email protected]
*/
@Data
@NoArgsConstructor
public class Environment implements Serializable {
private long serialVersionID;
/*
number of cores available to jvm
*/
private int numCores;
/*
memory available within current process
*/
private long availableMemory;
/*
System.getPriority("java.specification.version");
*/
private String javaVersion;
/*
System.getProperty("os.opName");
*/
private String osName;
/*
System.getProperty("os.arch");
however, in 97% of cases it will be amd64. it will be better to have JNI call for that in future
*/
private String osArch;
/*
Nd4j backend being used within current JVM session
*/
private String backendUsed;
public String toCompactString() {
StringBuilder builder = new StringBuilder();
/*
new format is:
Backend ( cores, ram, jvm, Linux, arch)
*/
/*
builder.append(numCores).append("cores/");
builder.append(availableMemory / 1024 / 1024 / 1024).append("GB/");
builder.append("jvm").append(javaVersion).append("/");
builder.append(osName).append("/");
builder.append(osArch).append("/");
builder.append(backendUsed).append(" ");
*/
builder.append(backendUsed).append(" (").append(numCores).append(" cores ")
.append(Math.max(availableMemory / 1024 / 1024 / 1024, 1)).append("GB ").append(osName)
.append(" ").append(osArch).append(")");
return builder.toString();
}
}