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Brady
2020-03-16 22:17:46 -06:00
parent 4141bf4195
commit 881a016341
8 changed files with 148 additions and 46 deletions
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60
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stdlib.h
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unistd.h
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HW7/main.cpp
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@@ -1,18 +1,13 @@
#include<iostream>
#include<mpi.h>
#include<stdlib.h>
#include<unistd.h>
#include<time.h>
#include<queue>
#define MCW MPI_COMM_WORLD
#define ANY MPI_ANY_SOURCE
#define IGNORE MPI_STATUS_IGNORE
#define BLACK 0
#define WHITE 1
#define GENERIC 0
#define SPECIAL 1
#define JOB 1
#define TOKEN 2
#define CREATED 3
#define COMPLETED 4
using namespace std;
@@ -22,8 +17,8 @@ int main(int argc, char **argv) {
int tasksCreated = 0;
int tasksCompleted = 0;
int taskLimit;
int tokenColor = WHITE;
int myColor = WHITE;
int tokenValue = SPECIAL;
int myToken = SPECIAL;
int newTask;
bool hasToken = false;
queue<int> myTasks;
@@ -44,18 +39,15 @@ int main(int argc, char **argv) {
MPI_Send(&job, 1, MPI_INT, rand() % 4, JOB, MCW); //Send out the initial job
}
while(1) {
MPI_Probe(ANY,JOB,MCW,&status);
MPI_Recv(&newTask,1,MPI_INT,ANY,JOB,MCW,&status);
myTasks.push(newTask);
//MPI_IProbe(ANY, JOB, MCW, &jobFlag, &status); //Check to see if a job is available
// if(jobFlag) {
// MPI_Irecv(&newTask, 1, MPI_INT, ANY, JOB, MCW, &request);
// myTasks.push(newTask);
// }
while(true) {
MPI_Iprobe(MPI_ANY_SOURCE, JOB, MCW, &jobFlag, &status); //Check to see if a job is available
if(jobFlag) {
MPI_Irecv(&newTask, 1, MPI_INT, MPI_ANY_SOURCE, JOB, MCW, &request);
myTasks.push(newTask);
}
if(newTask == -1) { //If the stop signal is received, send my info to process 0 and break out of the loop
MPI_Send(&tasksCreated, 1, MPI_INT, 0, CREATED, MCW);
MPI_Send(&tasksCompleted, 1, MPI_INT, 0, COMPLETED, MCW);
MPI_Send(&tasksCreated, 1, MPI_INT, 0, size-1, MCW);
MPI_Send(&tasksCompleted, 1, MPI_INT, 0, size, MCW);
break;
}
if(myTasks.size() > 16) { //If my task queue is greater than size 16, send off 2 tasks
@@ -63,59 +55,67 @@ int main(int argc, char **argv) {
int task = myTasks.front();
myTasks.pop();
int dest = rand() % 4;
while(dest == rank) {dest = rand() % 4;}
if(dest < rank) {myColor = BLACK;}
while(dest == rank) {dest = rand() % size;}
if(dest < rank) { myToken = GENERIC;}
MPI_Send(&task, 1, MPI_INT, dest, JOB, MCW);
}
}
if(!myTasks.empty()) { //Perform a task
if(!myTasks.empty()) {
int num = myTasks.front();
myTasks.pop();
sleep(static_cast<double>(num)/5);
num^3-num^4;
tasksCompleted++;
}
if(tasksCreated < taskLimit) { //Create more tasks
for(int i = 0; i < rand() % 3 + 1; i++) {
myTasks.push(rand() % 3 + 1);
if(tasksCreated < taskLimit) {
for(int i = 0; i < rand() % size; i++) {
myTasks.push(rand() % size);
tasksCreated++;
}
}
if(myTasks.empty()) { //Check the token information
if(hasToken) {
cout<<"Rank: "<<rank<<", token: "<<(tokenColor==BLACK ? "Black" : "White")<<endl;
string tmp = "";
if(tokenValue == GENERIC)
tmp = "Generic";
else
tmp = "Special";
cout << "My Rank: " << rank << " My token: " << tmp << endl;
int dest = rank + 1 < size ? rank + 1 : 0;
if(rank == 0) {tokenColor = WHITE;}
MPI_Send(&tokenColor, 1, MPI_INT, dest, TOKEN, MCW);
if(rank == 0) { tokenValue = SPECIAL;}
MPI_Send(&tokenValue, 1, MPI_INT, dest, TOKEN, MCW);
hasToken = false;
myColor = WHITE;
myToken = SPECIAL;
}
else {
int src = rank - 1 >= 0 ? rank - 1 : size - 1;
MPI_Iprobe(src, TOKEN, MCW, &tokenFlag, &status);
if(tokenFlag) {
MPI_Irecv(&tokenColor, 1, MPI_INT, src, TOKEN, MCW, &request);
MPI_Irecv(&tokenValue, 1, MPI_INT, src, TOKEN, MCW, &request);
hasToken = true;
if(rank == 0 && tokenColor == WHITE) {
if(rank == 0 && tokenValue == SPECIAL) {
int globalStop = -1;
for(int i = 1; i < size; i++) {
MPI_Send(&globalStop, 1, MPI_INT, i, JOB, MCW);
}
break;
}
if(myColor == BLACK) {
tokenColor = BLACK;
if(myToken == GENERIC) {
tokenValue = GENERIC;
}
}
}
}
}
if(rank == 0) { //Print out the task information
int created, completed;
//Print info after run.
if(rank == 0) {
int created;
int completed;
cout<<"Rank 0 created "<<tasksCreated<<" tasks and completed "<<tasksCompleted<<" tasks"<<endl;
for(int i = 1; i < size; i++) {
MPI_Recv(&created, 1, MPI_INT, i, CREATED, MCW, IGNORE);
MPI_Recv(&completed, 1, MPI_INT, i, COMPLETED, MCW, IGNORE);
for(int i = 0; i < size; i++) {
MPI_Recv(&created, 1, MPI_INT, i, size -1, MCW, MPI_STATUS_IGNORE);
MPI_Recv(&completed, 1, MPI_INT, i, size, MCW, MPI_STATUS_IGNORE);
cout<<"Rank "<<i<<" created "<<created<<" tasks and completed "<<completed<<" tasks"<<endl;
tasksCreated += created;
tasksCompleted += completed;