我正在尝试使用MPI（boost）运行遗传算法，其中我必须将序列化对象从0级发送到所有其他级别。但是当我尝试发送数据时，我收到了分段错误的错误。
这是代码，输出和我得到的错误。
代码：问题正好在world.send（0,0，newP）;
"use strict";
import React, {Component} from 'react';
import Spinner from 'react-native-loading-spinner-overlay';
import Pinch from 'react-native-pinch';
import Config from './Config'
import {SessionManager} from './utilities/SessionManager';
import Constants from './utilities/Constants'
import {Platform, Alert} from 'react-native';
import {Screens} from './navigation/Screens'
import SessionTimer from './utilities/SessionTimer';
import IMEI from './utilities/IMEI'
// Check Device Info
var DeviceInfo = require('react-native-device-info');
//import Spinner from 'react-native-spinkit'
/*
this class will be used to communicate with
server and getting url params from the calling class,
handles the server error if there is no error it will
return the repsonse to the calling class
*/
export class WebServiceCallManager extends Component {
constructor(props) {
super(props);
this.state = {
visible: this.props.visible,
size: 100,
}
}
callWebService(requestAction, subAction, bodyParams, responseHandler, optionalErrHandler) {
this.setState({visible: true});//Starting the Processing indicator
let imei = null;
if (Platform.OS === 'android') {
imei = SessionManager.getSessionValue("IMEI");
}
var params = {
"Header": {
"AppVersion": DeviceInfo.getVersion(),
//"IMEI":imei,
//"DEVICE_MAKE" : (Platform.OS === 'android') ? "AN": (Platform.OS === 'ios') ? "IP" : "OT",
"Channel": (Platform.OS === 'android') ? 'MOBILE_ANDROID' : (Platform.OS === 'ios') ? "MOBILE_IOS" : null,
// DeviceInfo.getManufacturer()
// "Channel":DeviceInfo.getManufacturer(),
//"DeviceId": DeviceInfo.getUniqueID(),
// "NetworkType": "MOBILE DATA 3G",
"RequestAction": requestAction,
"SubAction": subAction,
"Token": SessionManager.getSessionValue(Constants.TOKEN),
// "Operator": "ZONG",
"CSRF": SessionManager.getSessionValue(Constants.CSRF),
//"OS": DeviceInfo.getSystemVersion(),
"DeviceInformation": {
"IMEI": imei,
"Manufacturer": DeviceInfo.getManufacturer(),
"Model": DeviceInfo.getModel(),
"DeviceId": DeviceInfo.getUniqueID(),
"DeviceMake": (Platform.OS === 'android') ? "AN" : (Platform.OS === 'ios') ? "IP" : "OT",
"OS": DeviceInfo.getSystemVersion(),
}
},
"Body": {
"Transaction": bodyParams
}
};
var url = Config.IP;
if (url.startsWith('https')) {
this._httpsCalling(url, params, responseHandler, optionalErrHandler);
} else {
this._httpCalling(url, params, responseHandler, optionalErrHandler);
}
}
_httpsCalling(url, params, responseHandler) {
Pinch.fetch(url,
{
method: "POST",
headers: {
'Accept': 'application/json',
'Content-Type': 'application/json',
},
body: JSON.stringify(params),
sslPinning: {
cert: 'prodcer'
}
})
.then((responseResult) => {
this.setState({visible: false});// removing the Processing symbol
var result = JSON.parse(responseResult.bodyString);
var strResult = JSON.stringify(result);
if (responseResult.status == '0') {
responseHandler(strResult);
}
else {
responseHandler(strResult);
}
}).catch((err) => {
this.setState({visible: false});// removing the Processing symbol
responseHandler(err.message + '');
})
.done();
}
_httpCalling(url, params, responseHandler, optionalErrHandler) {
fetch(url,
{
method: "POST",
headers: {
'Accept': 'application/json',
'Content-Type': 'application/json',
},
body: JSON.stringify(params)
})
.then((resType) => resType.json())
.then((responseResult) => {
let timer = new SessionTimer();
timer.resetSessionTimer(0);
this.setState({visible: false});// removing the Processing symbol
SessionManager.setSessionValue(Constants.TOKEN, responseResult.Header.Cookie);
SessionManager.setSessionValue(Constants.CSRF, responseResult.Header.CSRF);
if (responseResult.Header.ResponseCode == '0') {
responseHandler(responseResult);
}
else {
if (optionalErrHandler !== undefined) {
optionalErrHandler(responseResult.Header);
}
this.errorHandler(responseResult.Header);
// responseHandler(null ,responseResult.Header.ResponseMessage);
}
}).catch((err) => {
var error = {ResponseMessage: err.message};
if (optionalErrHandler !== undefined) {
optionalErrHandler(error);
}
this.errorHandler(error);
})
.done();
}
errorHandler(errorData) {
this.setState({visible: false});// removing the Processing symbol
let msg = errorData.ResponseMessage;
let errorCode = errorData.ResponseCode;
if (errorCode == 111) {
setTimeout(
() => {
Alert.alert('Respose Error ' +
msg,
'',
[
{
text: 'OK', onPress: () => {
this.props.nav.popToRoute(Screens.LoginScreen)
}
},
],
{cancelable: false}
)
},
100
);
}
else {
setTimeout(
() => {
alert(msg)
},
100
);
}
}
render() {
return <Spinner visible={this.state.visible} itemProp='size:100'/>
}
}
错误：
int main (int argc, char** argv)
{
Population *pop = NULL;
RuckSack r(true);
int size, rank;
Ga ga;
namespace mpi = boost::mpi;
mpi::environment env;
mpi::communicator world;
int countGeneration = 0;
/* code */
if (world.rank() == 0)
{
if (pop == NULL)
{
pop = new Population(60,true);
}
}
for (int m = 0; m < 20; m++)
{
/* code */
for (int i = 0; i< world.size(); i++)
{
world.send(i,0,pop);
}
world.recv(0, 0, pop);
Population newP = *pop;
newP = ga.evolvePopulation(newP, world.size());
world.send(0, 0, newP);
MPI_Finalize();
return (EXIT_SUCCESS);
}
输出：
mpirun noticed that process rank 0 with PID 10336 on node user exited on signal 11 (Segmentation fault).
答案 0 :(得分：0)
以下是一些猜测：
这些只是松散的建议，因为我在使用MPI方面经验有限。希望它有所帮助！