Merge pull request open-mpi#12129 from jsquyres/pr/fix-compiler-warnings

Fix a bunch of compiler warnings

Author: jsquyres

ompi/communicator/ft/comm_ft.c

@@ -6,6 +6,7 @@
  *                         reserved.
  *
  * Copyright (c) 2021      Nanook Consulting.  All rights reserved.
+ * Copyright (c) 2023      Jeffrey M. Squyres.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -728,8 +729,6 @@ static int ompi_comm_ishrink_check_cid(ompi_comm_request_t *request) {
 }
 
 static int ompi_comm_ishrink_check_activate(ompi_comm_request_t *request) {
-    ompi_comm_ishrink_context_t *context =
-        (ompi_comm_ishrink_context_t *)request->context;
     int rc;
 #if OPAL_ENABLE_DEBUG
     double stop;
@@ -740,6 +739,8 @@ static int ompi_comm_ishrink_check_activate(ompi_comm_request_t *request) {
         return rc;
     }
 #if OPAL_ENABLE_DEBUG
+    ompi_comm_ishrink_context_t *context =
+        (ompi_comm_ishrink_context_t *)request->context;
     stop = MPI_Wtime();
     OPAL_OUTPUT_VERBOSE((10, ompi_ftmpi_output_handle,
                          "%s ompi: comm_ishrink: COLL SELECT: %g seconds\n",
@@ -780,10 +781,13 @@ bool ompi_comm_is_proc_active(ompi_communicator_t *comm, int peer_id, bool remot
 
 int ompi_comm_set_rank_failed(ompi_communicator_t *comm, int peer_id, bool remote)
 {
-    /* populate the proc in the comm's group array so that it is not a sentinel and can be read as failed */
+#if OPAL_ENABLE_DEBUG
+    /* populate the proc in the comm's group array so that it is not a
+       sentinel and can be read as failed */
     ompi_proc_t *ompi_proc = ompi_group_get_proc_ptr((remote ? comm->c_remote_group : comm->c_local_group),
                                                      peer_id, true);
     assert(NULL != ompi_proc);
+#endif
 
     /* Disable ANY_SOURCE */
     comm->any_source_enabled = false;

ompi/communicator/ft/comm_ft_detector.c

@@ -6,6 +6,7 @@
  * Copyright (c) 2021      Triad National Security, LLC. All rights
  *                         reserved.
  *
+ * Copyright (c) 2023      Jeffrey M. Squyres.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -579,7 +580,7 @@ static void fd_event_cb(int fd, short flags, void* pdetector)
 }
 
 void* fd_progress(opal_object_t* obj) {
-    int ret;
+    int __opal_attribute_unused__ ret;
     MPI_Request req;
     if( OMPI_SUCCESS != ompi_comm_start_detector(&ompi_mpi_comm_world.comm)) {
         OPAL_THREAD_ADD_FETCH32(&fd_thread_active, -1);

ompi/mca/coll/adapt/coll_adapt_ireduce.c

@@ -4,6 +4,7 @@
  *                         reserved.
  * Copyright (c) 2020      Cisco Systems, Inc.  All rights reserved.
  * Copyright (c) 2022      IBM Corporation. All rights reserved
+ * Copyright (c) 2023      Jeffrey M. Squyres.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -663,7 +664,6 @@ int ompi_coll_adapt_ireduce_generic(const void *sbuf, void *rbuf, int count,
             con->next_recv_segs[i] = min - 1;
         }
 
-        int num_recvs = 0;
         for (int32_t seg_index = 0; seg_index < min; seg_index++)
         {
             /* For each child */
@@ -711,8 +711,6 @@ int ompi_coll_adapt_ireduce_generic(const void *sbuf, void *rbuf, int count,
                 }
                 /* Set the recv callback */
                 ompi_request_set_callback(recv_req, recv_cb, context);
-
-                ++num_recvs;
             }
         }
     }

ompi/mca/coll/base/coll_base_reduce_scatter_block.c

@@ -18,6 +18,7 @@
  * Copyright (c) 2018      Siberian State University of Telecommunications
  *                         and Information Sciences. All rights reserved.
  * Copyright (c) 2022      IBM Corporation.  All rights reserved.
+ * Copyright (c) 2023      Jeffrey M. Squyres.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -245,7 +246,6 @@ ompi_coll_base_reduce_scatter_block_intra_recursivedoubling(
     int is_commutative = ompi_op_is_commute(op);
 
     /* Recursive distance doubling */
-    int rdoubling_step = 0;
     for (int mask = 1; mask < comm_size; mask <<= 1) {
         int remote = rank ^ mask;
         int cur_tree_root = ompi_rounddown(rank, mask);
@@ -350,7 +350,6 @@ ompi_coll_base_reduce_scatter_block_intra_recursivedoubling(
                 if (MPI_SUCCESS != err) { goto cleanup_and_return; }
             }
         }
-        rdoubling_step++;
         err = ompi_datatype_destroy(&dtypesend);
         if (MPI_SUCCESS != err) { goto cleanup_and_return; }
         err = ompi_datatype_destroy(&dtyperecv);

ompi/mca/coll/base/coll_base_util.c

@@ -11,6 +11,7 @@
  *                         All rights reserved.
  * Copyright (c) 2014-2020 Research Organization for Information Science
  *                         and Technology (RIST).  All rights reserved.
+ * Copyright (c) 2023      Jeffrey M. Squyres.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -398,7 +399,7 @@ int ompi_coll_base_file_getnext_long(FILE *fptr, int *fileline, long* val)
 
 int ompi_coll_base_file_getnext_string(FILE *fptr, int *fileline, char** val)
 {
-    char trash, token[32];
+    char trash, token[33];
     int rc;
 
     *val = NULL;  /* security in case we fail */

ompi/mca/coll/inter/coll_inter_allreduce.c

@@ -13,6 +13,7 @@
  * Copyright (c) 2013      Cisco Systems, Inc.  All rights reserved.
  * Copyright (c) 2015-2017 Research Organization for Information Science
  *                         and Technology (RIST). All rights reserved.
+ * Copyright (c) 2023      Jeffrey M. Squyres.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -48,7 +49,8 @@ mca_coll_inter_allreduce_inter(const void *sbuf, void *rbuf, int count,
                                mca_coll_base_module_t *module)
 {
     int err, rank, root = 0;
-    char *tmpbuf = NULL, *pml_buffer = NULL, *source;
+    char *tmpbuf = NULL, *pml_buffer = NULL;
+    const char *source;
     ptrdiff_t gap, span;
 
     rank = ompi_comm_rank(comm);

ompi/mca/coll/libnbc/libdict/dict.c

@@ -17,34 +17,6 @@ dict_malloc_func ompi_coll_libnbc_dict_malloc = malloc;
 dict_free_func ompi_coll_libnbc_dict_free = free;
 
 
-static inline dict_malloc_func
-dict_set_malloc(dict_malloc_func func)
-{
-	dict_malloc_func old = ompi_coll_libnbc_dict_malloc;
-	ompi_coll_libnbc_dict_malloc = func ? func : malloc;
-	return old;
-}
-
-static inline dict_free_func
-dict_set_free(dict_free_func func)
-{
-	dict_free_func old = ompi_coll_libnbc_dict_free;
-	ompi_coll_libnbc_dict_free = func ? func : free;
-	return old;
-}
-
-/*
- * In comparing, we cannot simply subtract because that might result in signed
- * overflow.
- */
-static inline int
-dict_int_cmp(const void *k1, const void *k2)
-{
-	const int *a = (int*)k1, *b = (int*)k2;
-
-	return (*a < *b) ? -1 : (*a > *b) ? +1 : 0;
-}
-
 int
 ompi_coll_libnbc_dict_uint_cmp(const void *k1, const void *k2)
 {

ompi/mca/coll/tuned/coll_tuned_dynamic_file.c

@@ -11,6 +11,7 @@
  *                         All rights reserved.
  * Copyright (c) 2015      Research Organization for Information Science
  *                         and Technology (RIST). All rights reserved.
+ * Copyright (c) 2023      Jeffrey M. Squyres.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -69,8 +70,10 @@ int ompi_coll_tuned_read_rules_config_file (char *fname, ompi_coll_alg_rule_t**
 
     /* stats info */
     int total_alg_count = 0;
+#if OPAL_ENABLE_DEBUG
     int total_com_count = 0;
     int total_msg_count = 0;
+#endif
 
     if (!fname) {
         OPAL_OUTPUT((ompi_coll_tuned_stream,"Gave NULL as rule table configuration file for tuned collectives... ignoring!\n"));
@@ -203,11 +206,15 @@ int ompi_coll_tuned_read_rules_config_file (char *fname, ompi_coll_alg_rule_t**
                     goto on_file_error;
                 }
 
+#if OPAL_ENABLE_DEBUG
                 total_msg_count++;
+#endif
 
             } /* msg size */
 
+#if OPAL_ENABLE_DEBUG
             total_com_count++;
+#endif
 
         } /* comm size */
 

ompi/mca/common/ompio/common_ompio_aggregators.c

@@ -16,6 +16,7 @@
  * Copyright (c) 2015-2018 Research Organization for Information Science
  *                         and Technology (RIST). All rights reserved.
  * Copyright (c) 2017      IBM Corporation. All rights reserved.
+ * Copyright (c) 2023      Jeffrey M. Squyres.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -195,16 +196,13 @@ int  mca_common_ompio_forced_grouping ( ompio_file_t *fh,
     int rest = fh->f_size % num_groups;
     int flag = OMPI_COMM_IS_MAPBY_NODE (&ompi_mpi_comm_world.comm);
     int k=0, p=0, g=0;
-    int total_procs = 0; 
 
     for ( k=0, p=0; p<num_groups; p++ ) {
         if ( p < rest ) {
             contg_groups[p].procs_per_contg_group = group_size+1;
-            total_procs +=(group_size+1);
         }
         else {
             contg_groups[p].procs_per_contg_group = group_size;
-            total_procs +=group_size;
         }
 
         if ( flag ) {
@@ -1269,9 +1267,6 @@ int mca_common_ompio_prepare_to_group(ompio_file_t *fh,
     int i = 0;
     int j = 0;
     int k = 0;
-    int merge_count = 0;
-    int split_count = 0; //not req?
-    int retain_as_is_count = 0; //not req?
     int ret=OMPI_SUCCESS;
 
     //Store start offset and length in an array //also add bytes per process
@@ -1367,16 +1362,13 @@ int mca_common_ompio_prepare_to_group(ompio_file_t *fh,
        if((size_t)(aggr_bytes_per_group_tmp[i])>
           (size_t)OMPIO_MCA_GET(fh, bytes_per_agg)){
           decision_list_tmp[i] = OMPIO_SPLIT;
-          split_count++;
        }
        else if((size_t)(aggr_bytes_per_group_tmp[i])<
                (size_t)OMPIO_MCA_GET(fh, bytes_per_agg)){
             decision_list_tmp[i] = OMPIO_MERGE;
-            merge_count++;
        }
        else{
 	   decision_list_tmp[i] = OMPIO_RETAIN;
-	   retain_as_is_count++;
 	   }
     }
 

ompi/mca/common/ompio/common_ompio_file_read_all.c

@@ -12,6 +12,7 @@
  * Copyright (c) 2008-2022 University of Houston. All rights reserved.
  * Copyright (c) 2017-2018 Research Organization for Information Science
  *                         and Technology (RIST). All rights reserved.
+ * Copyright (c) 2023      Jeffrey M. Squyres.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -85,7 +86,6 @@ mca_common_ompio_base_file_read_all (struct ompio_file_t *fh,
     int **blocklen_per_process=NULL;
     MPI_Aint **displs_per_process=NULL;
     char *global_buf = NULL;
-    MPI_Aint global_count = 0;
     mca_io_ompio_local_io_array *file_offsets_for_agg=NULL;
 
     /* array that contains the sorted indices of the global_iov */
@@ -607,13 +607,11 @@ mca_common_ompio_base_file_read_all (struct ompio_file_t *fh,
                 }
                 /*Moving file offsets to an IO array!*/
                 temp_index = 0;
-                global_count = 0;
                 for (i=0;i<fh->f_procs_per_group; i++){
                     for(j=0;j<disp_index[i];j++){
                         if (blocklen_per_process[i][j] > 0){
                             file_offsets_for_agg[temp_index].length =
                                 blocklen_per_process[i][j];
-                            global_count += blocklen_per_process[i][j];
                             file_offsets_for_agg[temp_index].process_id = i;
                             file_offsets_for_agg[temp_index].offset =
                                 displs_per_process[i][j];