--- /dev/null
+
+
+* MPI_Barrier()
+ Tue Jun 30 11:49:07 UTC 2009 - genaud
+
+
+ several calls to MPI_Barrier() result in:
+
+genaud@boa:~/Documents/svn/simgrid/simgrid/trunk/src/smpi$ ./smpirun -np 2 -platform g1.xml -hostfile hostfile ./barrier
+[0.000000] [simix_kernel/INFO] Oops ! Deadlock or code not perfectly clean.
+[0.000000] [simix_kernel/INFO] 6 processes are still running, waiting for something.
+[0.000000] [simix_kernel/INFO] Legend of the following listing: "<process> on <host>: <status>."
+[0.000000] [simix_kernel/INFO] smpi_simulated_main on grelon-1.nancy.grid5000.fr: Blocked on condition 0xdead; Waiting for the following actions: 'sleep'(0xdead) 'sleep'(0xdead).
+[0.000000] [simix_kernel/INFO] smpi_simulated_main on grelon-2.nancy.grid5000.fr: Blocked on condition 0xdead; Waiting for the following actions: 'sleep'(0xdead) 'sleep'(0xdead).
+[0.000000] [simix_kernel/INFO] smpi_sender on grelon-1.nancy.grid5000.fr: [SUSPENDED] Blocked on condition 0xdead; Waiting for the following actions: 'dummy'(0xdead).
+[0.000000] [simix_kernel/INFO] smpi_receiver on grelon-1.nancy.grid5000.fr: [SUSPENDED] Blocked on condition 0xdead; Waiting for the following actions: 'dummy'(0xdead).
+[0.000000] [simix_kernel/INFO] smpi_sender on grelon-2.nancy.grid5000.fr: [SUSPENDED] Blocked on condition 0xdead; Waiting for the following actions: 'dummy'(0xdead).
+[0.000000] [simix_kernel/INFO] smpi_receiver on grelon-2.nancy.grid5000.fr: [SUSPENDED] Blocked on condition 0xdead; Waiting for the following actions: 'dummy'(0xdead).
+[0.000000] [simix_kernel/INFO] Return a Warning.
+** SimGrid: UNCAUGHT EXCEPTION received on (0): category: unknown_err; value: 0
+** Cannot destroy conditional since someone is still using it
+** Thrown by () in this process
+[0.000000] xbt/ex.c:117: [xbt_ex/CRITICAL] Cannot destroy conditional since someone is still using it
+
+** In SIMIX_cond_destroy() at /home/genaud/Documents/svn/simgrid/simgrid/trunk/src/simix/smx_synchro.c:302
+** In smpi_global_destroy() at /home/genaud/Documents/svn/simgrid/simgrid/trunk/src/smpi/smpi_global.c:239
+** In smpi_run_simulation() at /home/genaud/Documents/svn/simgrid/simgrid/trunk/src/smpi/smpi_global.c:333
+./smpirun: line 176: 18880 Abandon ${EXEC} ${SIMOPTS} ${PLATFORMTMP} ${APPLICATIONTMP}
+
+
+
}
} else if (*datatype == smpi_mpi_global->mpi_int) {
int *x = a, *y = b;
- for (i = 0; i > *length; i++) {
+ for (i = 0; i < *length; i++) {
y[i] = x[i] > y[i] ? x[i] : y[i];
}
} else if (*datatype == smpi_mpi_global->mpi_float) {
float *x = a, *y = b;
- for (i = 0; i > *length; i++) {
+ for (i = 0; i < *length; i++) {
y[i] = x[i] > y[i] ? x[i] : y[i];
}
} else if (*datatype == smpi_mpi_global->mpi_double) {
double *x = a, *y = b;
- for (i = 0; i > *length; i++) {
+ for (i = 0; i < *length; i++) {
y[i] = x[i] > y[i] ? x[i] : y[i];
}
return retval;
}
+
+
+#ifdef DEBUG_REDUCE
/**
* debugging helper function
**/
-void print_buffer_int( void *buf, int len, const char *msg) ;
-void print_buffer_int( void *buf, int len, const char *msg) {
+void print_buffer_int( void *buf, int len, const char *msg, int rank) ;
+void print_buffer_int( void *buf, int len, const char *msg, int rank) {
int tmp, *v;
- printf("**%s: ",msg);
+ printf("**[%d] %s: ",rank,msg);
for (tmp=0;tmp<len;tmp++) {
v = buf;
printf("[%d]", v[tmp] );
}
printf("\n");
}
-
+#endif
/**
* MPI_Reduce
**/
-
int SMPI_MPI_Reduce( void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype,
MPI_Op op, int root, MPI_Comm comm )
{
smpi_mpi_request_t *tabrequest;
smpi_mpi_request_t request;
-
smpi_bench_end();
rank = smpi_mpi_comm_rank(comm);
size = comm->size;
- //printf("-->rank %d. Entering ....\n",rank);
- //print_buffer_int( sendbuf, count, "sendbuf");
-
if (rank != root) { // if i am not ROOT, simply send my buffer to root
+
+#ifdef DEBUG_REDUCE
+ print_buffer_int( sendbuf, count, "sndbuf",rank);
+#endif
retval = smpi_create_request(sendbuf, count, datatype, rank, root, tag , comm, &request);
smpi_mpi_isend(request);
smpi_mpi_wait(request, MPI_STATUS_IGNORE);
int index = MPI_UNDEFINED;
smpi_mpi_waitany(comm->size-1, tabrequest, &index, MPI_STATUS_IGNORE);
- //print_buffer_int( recvbuf, count, "rcvbuf");
- //printf("MPI_Waitany() unblocked: root received (completes req[index=%d]): ",index);
- //print_buffer_int( tmpbufs[index], count, "tmpbufs[index]");
+#ifdef DEBUG_REDUCE
+ printf("MPI_Waitany() unblocked: root received (completes req[index=%d])\n",index);
+ print_buffer_int( tmpbufs[index], count, "tmpbufs[index]",rank);
+#endif
// arg 2 is modified
op->func (tmpbufs[index],recvbuf,&count,&datatype);
+#ifdef DEBUG_REDUCE
+ print_buffer_int( recvbuf, count, "rcvbuf",rank);
- // print_buffer_int( recvbuf, count, "recvbuf after func");
+#endif
//xbt_mallocator_release(smpi_global->request_mallocator, tabrequest[i]);
- //xbt_free( tmpbufs[index]);
+ xbt_free( tmpbufs[index]);
}
xbt_free(tabrequest);
xbt_free(tmpbufs);