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package mpi.ccl;
/****************************************************************************
MPI-Java version :
Sung-Hoon Ko(shko@npac.syr.edu)
Northeast Parallel Architectures Center at Syracuse University
09/14/99
****************************************************************************/
import mpi.*;
public class allreduce_maxminloc {
static public void main(String[] args) throws Exception {
try {
allreduce_maxminloc a = new allreduce_maxminloc(args);
}
catch (Exception e) {
}
}
public allreduce_maxminloc() {
}
public allreduce_maxminloc(String[] args) throws Exception {
MPI.Init(args);
int count, errcnt = 0, gerr = 0, size, rank;
Comm comm;
Comm comms[] = new Comm[10];
int ncomm, i, world_rank;
world_rank = MPI.COMM_WORLD.Rank();
comm = MPI.COMM_WORLD;
size = comm.Size();
rank = comm.Rank();
count = 10;
/* Test Maxloc */
// int //////////////////////////////////////////
if (world_rank == 0)
System.out.println("Testing MPI.MAXLOC with MPI.INT2...");
int in[] = new int[2 * count];
int out[] = new int[2 * count];
int sol[] = new int[2 * count];
int fnderr = 0;
for (i = 0; i < count; i++) {
in[i * 2] = (rank + i);
in[i * 2 + 1] = rank;
sol[i * 2] = size - 1 + i;
sol[i * 2 + 1] = size - 1;
out[i * 2] = 0;
out[i * 2 + 1] = -1;
}
MPI.COMM_WORLD.Allreduce(in, 0, out, 0, count, MPI.INT2, MPI.MAXLOC);
for (i = 0; i < count; i++) {
if (out[i * 2] != sol[i * 2] || out[i * 2 + 1] != sol[i * 2 + 1]) {
errcnt++;
fnderr++;
System.out.println(world_rank + " Expected (" + sol[i * 2] + ","
+ sol[i * 2 + 1] + ") got (" + out[i * 2] + "," + out[i * 2 + 1]
+ ")");
}
}
if (fnderr > 0)
System.out.println(world_rank
+ " Error for type MPI.INT2 and op MPI.MAXLOC (" + fnderr + " of "
+ count + " wrong)");
// long //////////////////////////////////////////
if (world_rank == 0)
System.out.println("Testing MPI.MAXLOC with MPI.LONG2...");
fnderr = 0;
long in_l[] = new long[2 * count];
long out_l[] = new long[2 * count];
long sol_l[] = new long[2 * count];
for (i = 0; i < count; i++) {
in_l[i * 2] = (rank + i);
in_l[i * 2 + 1] = rank;
sol_l[i * 2] = (size - 1 + i);
sol_l[i * 2 + 1] = (size - 1);
out_l[i * 2] = 0;
out_l[i * 2 + 1] = -1;
}
MPI.COMM_WORLD.Allreduce(in_l, 0, out_l, 0, count, MPI.LONG2, MPI.MAXLOC);
for (i = 0; i < count; i++) {
if (out_l[i * 2] != sol_l[i * 2] || out_l[i * 2 + 1] != sol_l[i * 2 + 1]) {
errcnt++;
fnderr++;
System.out.println(world_rank + " Expected (" + sol_l[i * 2] + ","
+ sol_l[i * 2 + 1] + ") got (" + out_l[i * 2] + ","
+ out_l[i * 2 + 1] + ")");
}
}
if (fnderr > 0)
System.out.println(world_rank
+ " Error for type MPI.LONG2 and op MPI.MAXLOC (" + fnderr + " of "
+ count + " wrong)");
// short //////////////////////////////////////////
MPI.COMM_WORLD.Barrier();
if (world_rank == 0)
System.out.println("Testing MPI.MAXLOC with MPI.SHORT2...");
fnderr = 0;
short in_s[] = new short[2 * count];
short out_s[] = new short[2 * count];
short sol_s[] = new short[2 * count];
for (i = 0; i < count; i++) {
in_s[i * 2] = (short) (rank + i);
in_s[i * 2 + 1] = (short) rank;
sol_s[i * 2] = (short) (size - 1 + i);
sol_s[i * 2 + 1] = (short) (size - 1);
out_s[i * 2] = 0;
out_s[i * 2 + 1] = -1;
}
MPI.COMM_WORLD.Allreduce(in_s, 0, out_s, 0, count, MPI.SHORT2, MPI.MAXLOC);
for (i = 0; i < count; i++) {
if (out_s[i * 2] != sol_s[i * 2] || out_s[i * 2 + 1] != sol_s[i * 2 + 1]) {
errcnt++;
fnderr++;
System.out.println(world_rank + " Expected (" + sol_s[i * 2] + ","
+ sol_s[i * 2 + 1] + ")got (" + out_s[i * 2] + ","
+ out_s[i * 2 + 1] + ")");
}
}
if (fnderr > 0)
System.out.println(world_rank
+ " Error for type MPI.SHORT2 and op MPI.MAXLOC (" + fnderr + " of "
+ count + " wrong)");
// float //////////////////////////////////////////
MPI.COMM_WORLD.Barrier();
if (world_rank == 0)
System.out.println("Testing MPI.MAXLOC with MPI.FLOAT2...");
fnderr = 0;
float in_f[] = new float[2 * count];
float out_f[] = new float[2 * count];
float sol_f[] = new float[2 * count];
for (i = 0; i < count; i++) {
in_f[i * 2] = (rank + i);
in_f[i * 2 + 1] = rank;
sol_f[i * 2] = (size - 1 + i);
sol_f[i * 2 + 1] = (size - 1);
out_f[i * 2] = 0;
out_f[i * 2 + 1] = -1;
}
MPI.COMM_WORLD.Allreduce(in_f, 0, out_f, 0, count, MPI.FLOAT2, MPI.MAXLOC);
for (i = 0; i < count; i++) {
if (out_f[i * 2] != sol_f[i * 2] || out_f[i * 2 + 1] != sol_f[i * 2 + 1]) {
errcnt++;
fnderr++;
System.out.println(world_rank + " Expected (" + sol_f[i * 2] + ","
+ sol_f[i * 2 + 1] + ")got (" + out_f[i * 2] + ","
+ out_f[i * 2 + 1] + ")");
}
}
if (fnderr > 0)
System.out.println(world_rank
+ " Error for type MPI.FLOAT and op MPI.MAXLOC (" + fnderr + " of "
+ count + " wrong)");
// double //////////////////////////////////////////
MPI.COMM_WORLD.Barrier();
if (world_rank == 0)
System.out.println("Testing MPI.MAXLOC with MPI.DOUBLE2...");
fnderr = 0;
double in_d[] = new double[2 * count];
double out_d[] = new double[2 * count];
double sol_d[] = new double[2 * count];
for (i = 0; i < count; i++) {
in_d[i * 2] = (rank + i);
in_d[i * 2 + 1] = rank;
sol_d[i * 2] = (size - 1 + i);
sol_d[i * 2 + 1] = (size - 1);
out_d[i * 2] = 0;
out_d[i * 2 + 1] = -1;
}
MPI.COMM_WORLD.Allreduce(in_d, 0, out_d, 0, count, MPI.DOUBLE2, MPI.MAXLOC);
for (i = 0; i < count; i++) {
if (out_d[i * 2] != sol_d[i * 2] || out_d[i * 2 + 1] != sol_d[i * 2 + 1]) {
errcnt++;
fnderr++;
System.out.println(world_rank + " Expected (" + sol_d[i * 2] + ","
+ sol_d[i * 2 + 1] + ")got (" + out_d[i * 2] + ","
+ out_d[i * 2 + 1] + ")");
}
}
if (fnderr > 0)
System.out.println(world_rank
+ " Error for type MPI.DOUBLE and op MPI.MAXLOC (" + fnderr + " of "
+ count + " wrong)");
gerr += errcnt;
if (errcnt > 0)
System.out.println("Found " + errcnt + " errors on " + rank
+ " for MPI_MAXLOC\n");
errcnt = 0;
// /////////////////////////////////////////////////////
// Test minloc
// ////////////////////////////////////////////////////
// int //////////////////////////////////////////
if (world_rank == 0)
System.out.println("Testing MPI.MINLOC with MPI.INT2...");
// struct int_test { int a; int b; } *in, *out, *sol;
int in_mn_i[] = new int[2 * count];
int out_mn_i[] = new int[2 * count];
int sol_mn_i[] = new int[2 * count];
fnderr = 0;
for (i = 0; i < count; i++) {
in_mn_i[i * 2] = (rank + i);
in_mn_i[i * 2 + 1] = rank;
sol_mn_i[i * 2] = i;
sol_mn_i[i * 2 + 1] = 0;
out_mn_i[i * 2] = 0;
out_mn_i[i * 2 + 1] = -1;
}
MPI.COMM_WORLD.Allreduce(in_mn_i, 0, out_mn_i, 0, count, MPI.INT2,
MPI.MINLOC);
for (i = 0; i < count; i++) {
if (out_mn_i[i * 2] != sol_mn_i[i * 2]
|| out_mn_i[i * 2 + 1] != sol_mn_i[i * 2 + 1]) {
errcnt++;
fnderr++;
System.out.println(world_rank + " Expected (" + sol_mn_i[i * 2] + ","
+ sol_mn_i[i * 2 + 1] + ") got (" + out_mn_i[i * 2] + ","
+ out_mn_i[i * 2 + 1] + ")");
}
}
if (fnderr > 0)
System.out.println(world_rank
+ " Error for type MPI.INT2 and op MPI.MINLOC (" + fnderr + " of "
+ count + " wrong)");
// long //////////////////////////////////////////
if (world_rank == 0)
System.out.println("Testing MPI.MINLOC with MPI.LONG2...");
long in_mn_l[] = new long[2 * count];
long out_mn_l[] = new long[2 * count];
long sol_mn_l[] = new long[2 * count];
fnderr = 0;
for (i = 0; i < count; i++) {
in_mn_l[i * 2] = (rank + i);
in_mn_l[i * 2 + 1] = rank;
sol_mn_l[i * 2] = i;
sol_mn_l[i * 2 + 1] = 0;
out_mn_l[i * 2] = 0;
out_mn_l[i * 2 + 1] = -1;
}
MPI.COMM_WORLD.Allreduce(in_mn_l, 0, out_mn_l, 0, count, MPI.LONG2,
MPI.MINLOC);
for (i = 0; i < count; i++) {
if (out_mn_l[i * 2] != sol_mn_l[i * 2]
|| out_mn_l[i * 2 + 1] != sol_mn_l[i * 2 + 1]) {
errcnt++;
fnderr++;
System.out.println(world_rank + " Expected (" + sol_mn_l[i * 2] + ","
+ sol_mn_l[i * 2 + 1] + ") got (" + out_mn_l[i * 2] + ","
+ out_mn_l[i * 2 + 1] + ")");
}
}
if (fnderr > 0)
System.out.println(world_rank
+ " Error for type MPI.INT2 and op MPI.MINLOC (" + fnderr + " of "
+ count + " wrong)");
// short //////////////////////////////////////////
if (world_rank == 0)
System.out.println("Testing MPI.MINLOC with MPI.SHORT2...");
short in_mn_s[] = new short[2 * count];
short out_mn_s[] = new short[2 * count];
short sol_mn_s[] = new short[2 * count];
fnderr = 0;
for (i = 0; i < count; i++) {
in_mn_s[i * 2] = (short) (rank + i);
in_mn_s[i * 2 + 1] = (short) rank;
sol_mn_s[i * 2] = (short) i;
sol_mn_s[i * 2 + 1] = 0;
out_mn_s[i * 2] = 0;
out_mn_s[i * 2 + 1] = -1;
}
MPI.COMM_WORLD.Allreduce(in_mn_s, 0, out_mn_s, 0, count, MPI.SHORT2,
MPI.MINLOC);
for (i = 0; i < count; i++) {
if (out_mn_s[i * 2] != sol_mn_s[i * 2]
|| out_mn_s[i * 2 + 1] != sol_mn_s[i * 2 + 1]) {
errcnt++;
fnderr++;
System.out.println(world_rank + " Expected (" + sol_mn_s[i * 2] + ","
+ sol_mn_s[i * 2 + 1] + ") got (" + out_mn_s[i * 2] + ","
+ out_mn_s[i * 2 + 1] + ")");
}
}
if (fnderr > 0)
System.out.println(world_rank
+ " Error for type MPI.SHORT2 and op MPI.MINLOC (" + fnderr + " of "
+ count + " wrong)");
// double //////////////////////////////////////////
if (world_rank == 0)
System.out.println("Testing MPI.MINLOC with MPI.DOUBLE2...");
double in_mn_d[] = new double[2 * count];
double out_mn_d[] = new double[2 * count];
double sol_mn_d[] = new double[2 * count];
fnderr = 0;
for (i = 0; i < count; i++) {
in_mn_d[i * 2] = (rank + i);
in_mn_d[i * 2 + 1] = rank;
sol_mn_d[i * 2] = i;
sol_mn_d[i * 2 + 1] = 0;
out_mn_d[i * 2] = 0;
out_mn_d[i * 2 + 1] = -1;
}
MPI.COMM_WORLD.Allreduce(in_mn_d, 0, out_mn_d, 0, count, MPI.DOUBLE2,
MPI.MINLOC);
for (i = 0; i < count; i++) {
if (out_mn_d[i * 2] != sol_mn_d[i * 2]
|| out_mn_d[i * 2 + 1] != sol_mn_d[i * 2 + 1]) {
errcnt++;
fnderr++;
System.out.println(world_rank + " Expected (" + sol_mn_d[i * 2] + ","
+ sol_mn_d[i * 2 + 1] + ") got (" + out_mn_d[i * 2] + ","
+ out_mn_d[i * 2 + 1] + ")");
}
}
if (fnderr > 0)
System.out.println(world_rank
+ " Error for type MPI.DOUBLE2 and op MPI.MINLOC (" + fnderr + " of "
+ count + " wrong)");
gerr += errcnt;
if (errcnt > 0)
System.out.println("Found " + errcnt + " errors on " + rank
+ " for MPI_MINLOC");
errcnt = 0;
if (gerr > 0) {
System.out.println("Found " + gerr + " errors overall on " + rank);
} else if (world_rank == 0)
System.out.println("Allreduce Max-Min-Loc TEST COMPLETE.");
MPI.COMM_WORLD.Barrier();
MPI.Finalize();
}
}
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