[mpich-commits] [mpich] MPICH primary repository branch, master, updated. v3.0.2-17-g9a7b024

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http://git.mpich.org/mpich.git/commitdiff/9a7b024b4ff2b1b758b6199d8e5f0297e35415cc

commit 9a7b024b4ff2b1b758b6199d8e5f0297e35415cc
Author: James Dinan <dinan at mcs.anl.gov>
Date:   Thu Feb 7 16:48:06 2013 -0600

    Fix incorrect timing reporting in llist bench
    
    The linked list benchmarks were reportin the sum of the timings across
    all nodes, rather than the maximum.
    
    Reviewer: none

diff --git a/test/mpi/rma/linked_list_bench_lock_all.c b/test/mpi/rma/linked_list_bench_lock_all.c
index 9e7c5c0..90df021 100644
--- a/test/mpi/rma/linked_list_bench_lock_all.c
+++ b/test/mpi/rma/linked_list_bench_lock_all.c
@@ -242,7 +242,7 @@ int main(int argc, char **argv) {
     if (print_perf) {
         double max_time;
 
-        MPI_Reduce(&time, &max_time, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD);
+        MPI_Reduce(&time, &max_time, 1, MPI_DOUBLE, MPI_MAX, 0, MPI_COMM_WORLD);
 
         if (procid == 0) {
             printf("Total time = %0.2f sec, elem/sec = %0.2f, sec/elem = %0.2f usec\n", max_time, NUM_ELEMS/max_time, max_time/NUM_ELEMS*1.0e6);
diff --git a/test/mpi/rma/linked_list_bench_lock_excl.c b/test/mpi/rma/linked_list_bench_lock_excl.c
index 275360f..7fe5240 100644
--- a/test/mpi/rma/linked_list_bench_lock_excl.c
+++ b/test/mpi/rma/linked_list_bench_lock_excl.c
@@ -245,7 +245,7 @@ int main(int argc, char **argv) {
     if (print_perf) {
         double max_time;
 
-        MPI_Reduce(&time, &max_time, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD);
+        MPI_Reduce(&time, &max_time, 1, MPI_DOUBLE, MPI_MAX, 0, MPI_COMM_WORLD);
 
         if (procid == 0) {
             printf("Total time = %0.2f sec, elem/sec = %0.2f, sec/elem = %0.2f usec\n", max_time, NUM_ELEMS/max_time, max_time/NUM_ELEMS*1.0e6);
diff --git a/test/mpi/rma/linked_list_bench_lock_shr.c b/test/mpi/rma/linked_list_bench_lock_shr.c
index c96cf33..2ddb791 100644
--- a/test/mpi/rma/linked_list_bench_lock_shr.c
+++ b/test/mpi/rma/linked_list_bench_lock_shr.c
@@ -234,7 +234,7 @@ int main(int argc, char **argv) {
     if (print_perf) {
         double max_time;
 
-        MPI_Reduce(&time, &max_time, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD);
+        MPI_Reduce(&time, &max_time, 1, MPI_DOUBLE, MPI_MAX, 0, MPI_COMM_WORLD);
 
         if (procid == 0) {
             printf("Total time = %0.2f sec, elem/sec = %0.2f, sec/elem = %0.2f usec\n", max_time, NUM_ELEMS/max_time, max_time/NUM_ELEMS*1.0e6);

-----------------------------------------------------------------------

Summary of changes:
 test/mpi/rma/linked_list_bench_lock_all.c  |    2 +-
 test/mpi/rma/linked_list_bench_lock_excl.c |    2 +-
 test/mpi/rma/linked_list_bench_lock_shr.c  |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)


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