public test2O(String[] args) throws Exception {
int numtask, taskid, rc;
test outmsg[] = new test[1];
test inmsg[] = new test[1];
int i, dest = 0, type = 1;
int source, rtype = type, rbytes = -1, flag, dontcare = -1;
int msgid;
Status status;
Request req;
MPI.Init(args);
taskid = MPI.COMM_WORLD.Rank();
numtask = MPI.COMM_WORLD.Size();
if (numtask > 2) {
if (taskid == 0) {
System.out.println("test2O must run with less than 8 tasks");
}
MPI.Finalize();
return;
}
if (taskid == 1) {
MPI.COMM_WORLD.Barrier();
outmsg[0] = new test();
outmsg[0].a = 5;
type = 1;
MPI.COMM_WORLD.Send(outmsg, 0, 1, MPI.OBJECT, dest, type);
}
if (taskid == 0) {
source = MPI.ANY_SOURCE;
rtype = MPI.ANY_TAG;
req = MPI.COMM_WORLD.Irecv(inmsg, 0, 1, MPI.OBJECT, source, rtype);
status = req.Test();
if (status != null) System.out.println("ERROR(1)");
MPI.COMM_WORLD.Barrier();
status = req.Wait();
if (inmsg[0].a != 5 || status.source != 1 || status.tag != 1) {
System.out.println("ERROR(2)");
System.out.println(" inmsg[0].a " + inmsg[0].a);
System.out.println(" status.source " + status.source);
System.out.println(" status.tag " + status.source);
}
}
MPI.COMM_WORLD.Barrier();
if (taskid == 1) System.out.println("Test2O TEST COMPLETE <" + taskid + ">");
MPI.Finalize();
}
/** Each subclass can implement the receive method accordingly. */
protected List<MigrationObject> doReceive() {
MigrationObject[] recvBuf = new MigrationObject[1];
List<MigrationObject> migrants = new ArrayList<MigrationObject>();
/* Test if some delayed migrant (from a previous receive) has arrived
* and get them. */
migrants.addAll(testRecvRequests());
/* Try to receive a migrant from each sender. */
for (int i = 0; i < getSenders().length; i++) {
Request request =
getCommunicator().Irecv(recvBuf, 0, recvBuf.length, MPI.OBJECT, getSenders()[i], TAG);
if (request.Test() != null) {
/* If received */
if (recvBuf[0] != null) {
migrants.add(recvBuf[0]);
}
} else {
addRecvRequest(request, recvBuf); /* Request pending. */
}
}
return migrants;
}
/** Each subclass can implement the send method accordingly. */
protected void doSend(MigrationObject migrant) {
MigrationObject[] sendBuf = new MigrationObject[1];
sendBuf[0] = migrant;
/* Complete previous sends. */
testSendRequests();
for (int i = 0; i < getReceivers().length; i++) {
Request sendRequest =
getCommunicator().Isend(sendBuf, 0, sendBuf.length, MPI.OBJECT, getReceivers()[i], TAG);
if (sendRequest.Test() == null) {
/* Request pending */
addSendRequest(sendRequest, sendBuf);
}
}
}
/**
* Cleans up this topology by finalizing all pending communications. This method must be called
* when the topology is not need anymore.
*/
public void finish() {
/* Make sure all send requests have finished before exit. */
if ((pendingSendRequest != null) && !pendingSendRequest.isEmpty()) {
Request[] rS = new Request[pendingSendRequest.size()];
rS = pendingSendRequest.keySet().toArray(rS);
Request.Waitall(rS);
pendingSendRequest.clear();
}
/* Make sure all recv requests have finished before exit. The received
* objects are ignored and get lost. */
if ((pendingRecvRequest != null) && !pendingRecvRequest.isEmpty()) {
Request[] rR = new Request[pendingRecvRequest.size()];
rR = pendingRecvRequest.keySet().toArray(rR);
Request.Waitall(rR);
pendingRecvRequest.clear();
}
}
/* Looks for finished send communications and updates the pending list. */
private void testSendRequests() {
if ((pendingSendRequest != null) && !pendingSendRequest.isEmpty()) {
Request[] rS = new Request[pendingSendRequest.size()];
rS = pendingSendRequest.keySet().toArray(rS);
Status[] status = Request.Testsome(rS);
for (int i = 0; i < status.length; i++) {
pendingSendRequest.remove(rS[status[i].index]);
}
}
}
public static void main(String args[]) throws MPIException {
int myself, tasks;
IntBuffer in = MPI.newIntBuffer(MAXLEN);
Request request;
MPI.Init(args);
myself = MPI.COMM_WORLD.getRank();
tasks = MPI.COMM_WORLD.getSize();
for (int j = 1; j <= MAXLEN; j *= 10) {
for (int i = 0; i < j; i++) {
in.put(i, i);
}
request = MPI.COMM_WORLD.iAllReduce(in, j, MPI.INT, MPI.SUM);
request.waitFor();
request.free();
for (int k = 0; k < j; k++) {
if (in.get(k) != k * tasks) {
OmpitestError.ompitestError(
OmpitestError.getFileName(),
OmpitestError.getLineNumber(),
" bad answer ("
+ in.get(k)
+ ") at index "
+ k
+ " of "
+ j
+ " (should be "
+ (k * tasks)
+ ")\n");
break;
}
}
}
MPI.COMM_WORLD.barrier();
MPI.Finalize();
}
/* Returns a list with the delayed migrants and updates the pending list. */
private List<MigrationObject> testRecvRequests() {
List<MigrationObject> delayedMigrants = new ArrayList<MigrationObject>();
if (pendingRecvRequest != null) {
Request[] rR = new Request[pendingRecvRequest.size()];
rR = pendingRecvRequest.keySet().toArray(rR);
Status[] status = Request.Testsome(rR);
for (int i = 0; i < status.length; i++) {
Request r = rR[status[i].index];
MigrationObject delayedMigrant = ((MigrationObject[]) pendingRecvRequest.get(r))[0];
if (delayedMigrant != null) {
delayedMigrants.add(delayedMigrant);
}
pendingRecvRequest.remove(r);
}
}
return delayedMigrants;
}
public testany(String[] args) throws Exception {
int me, tasks, i, index, done;
;
int mebuf[] = new int[1];
boolean flag;
MPI.Init(args);
me = MPI.COMM_WORLD.Rank();
tasks = MPI.COMM_WORLD.Size();
int data[] = new int[tasks];
Request req[] = new Request[tasks];
Status status;
mebuf[0] = me;
if (me > 0) MPI.COMM_WORLD.Send(mebuf, 0, 1, MPI.INT, 0, 1);
else if (me == 0) {
req[0] = MPI.REQUEST_NULL;
for (i = 1; i < tasks; i++) req[i] = MPI.COMM_WORLD.Irecv(data, i, 1, MPI.INT, i, 1);
done = 0;
while (done < tasks - 1) {
status = Request.Testany(req);
if (status != null) {
done++;
if (!req[status.index].Is_null())
System.out.println("ERROR in MPI_Testany: reqest not set to null");
if (data[status.index] != status.index)
System.out.println("ERROR in MPI.Testany: wrong data");
}
}
}
// MPI.COMM_WORLD.Barrier();
// if(me == 1)
System.out.println("Testany TEST COMPLETE <" + me + ">");
MPI.Finalize();
}
public static void main(String[] args) throws MPIException {
Comm comm;
IntBuffer sBuf, rBuf;
int rank, size, extent;
int[] sendCounts, recvCounts, rDispls, sDispls;
Datatype[] sDTypes, rDTypes;
Request req;
MPI.Init(args);
comm = MPI.COMM_WORLD;
/* Create the buffer */
size = comm.getSize();
rank = comm.getRank();
sBuf = MPI.newIntBuffer(size * size);
rBuf = MPI.newIntBuffer(size * size);
/* Load up the buffers */
for (int i = 0; i < (size * size); i++) {
sBuf.put(i, (i + 100 * rank));
rBuf.put(i, -i);
}
/* Create and load the arguments to alltoallw */
sendCounts = new int[size];
recvCounts = new int[size];
rDispls = new int[size];
sDispls = new int[size];
sDTypes = new Datatype[size];
rDTypes = new Datatype[size];
extent =
4; // MPI.INT.getExtent(); //getExtent returns 1, but a 4 is needed for these calculations
for (int i = 0; i < size; i++) {
sendCounts[i] = i;
recvCounts[i] = rank;
rDispls[i] = (i * rank * extent);
sDispls[i] = (((i * (i + 1)) / 2) * extent);
sDTypes[i] = MPI.INT;
rDTypes[i] = MPI.INT;
}
req = comm.iAllToAllw(sBuf, sendCounts, sDispls, sDTypes, rBuf, recvCounts, rDispls, rDTypes);
req.waitFor();
req.free();
/* Check rbuf */
for (int i = 0; i < size; i++) {
int p = rDispls[i] / extent;
for (int j = 0; j < rank; j++) {
if (rBuf.get(p + j) != (i * 100 + (rank * (rank + 1)) / 2 + j)) {
System.out.println(i + " " + j + " " + size + " " + rank + " " + extent);
OmpitestError.ompitestError(
OmpitestError.getFileName(),
OmpitestError.getLineNumber(),
"bad answer "
+ rBuf.get(p + j)
+ " (should be "
+ (i * 100 + (rank * (rank + 1)) / 2 + j)
+ ")\n");
}
}
}
MPI.COMM_WORLD.barrier();
MPI.Finalize();
if (rank == 0) {
System.out.println("Test completed.");
}
}