compare all tests to known upstream versions

[anderbubble]

• stream
  • active: /projects/molu8455/redhat_6/software/stream/stream (reports version 5.9)
  • source: /projects/molu8455/redhat_6/software/stream/stream.c (stream_numa.c?)
• linpack
  • active: /projects/molu8455/redhat_6/software/linpack/linpack_11.0.3/benchmarks/linpack/xlinpack_xeon64
  • precompiled from Intel in l_lpk_p_11.0.3.008.tgz
  • does not match any installed compiler pack-ins
• osu_bw
  • identical to version in osu-micro-benchmarks-3.8
• osu_alltoall
  • active: /curc/admin/benchmarks/software/mpi/osu_alltoall
  • source: /home/molu8455/admin/benchmarks/software/mpi/osu_alltoall.c
  • significantly modified from osu-micro-benchmarks-3.8

[anderbubble]

osu_alltoall.c was modified from its upstream version:

• it runs with a default max_msg_size of 262144 (which can be set at runtime with -m anyway)
• it runs 10 samples of max message size (original starts at 1 and doubles until it reaches max)
• it times out after 10 minutes (600 seconds)

$ bash horrible-diff.sh osu-micro-benchmarks-3.8-July12/mpi/collective/osu_alltoall.c /home/molu8455/admin/benchmarks/software/mpi/osu_alltoall.c
--- /dev/fd/63  2015-05-29 12:06:29.813903357 -0600
+++ /dev/fd/62  2015-05-29 12:06:29.767903158 -0600
@@ -19,7 +19,8 @@
 double timer=0.0;
 double avg_time = 0.0, max_time = 0.0, min_time = 0.0;
 char *sendbuf, *recvbuf, *s_buf1, *r_buf1;
-int max_msg_size = 1048576, full = 0;
+//int max_msg_size = 1048576, full = 0;
+int max_msg_size = 262144, full = 0;

 MPI_Init(&argc, &argv);
 MPI_Comm_rank(MPI_COMM_WORLD, &rank);
@@ -71,7 +72,7 @@

 MPI_Barrier(MPI_COMM_WORLD);

-for(size = 1; size <= max_msg_size; size *= 2) {
+for(size = max_msg_size; size <= max_msg_size+1; size *= 2) {
 if(size > LARGE_MESSAGE_SIZE) {
 skip = SKIP_LARGE;
 iterations = iterations_large;
@@ -81,6 +82,22 @@
 skip = SKIP;

 }
+
+double loop_start = MPI_Wtime();
+double loop_current = MPI_Wtime();
+// Change to a while loop for 5 minutes...
+int counter = 0;
+double loop_time =     loop_current - loop_start;
+
+while( counter < 10)
+{
+// if(rank == 0) {
+//                fprintf(stdout, "%f %i\n", loop_time, counter);
+//             }
+
+if (loop_time > 600)
+break;
+
 timer=0.0;
 for(i = 0; i < iterations + skip; i++) {
 t_start = MPI_Wtime();
@@ -108,6 +125,10 @@
 print_data(rank, full, size, avg_time, min_time, max_time, iterations);

 MPI_Barrier(MPI_COMM_WORLD);
+loop_current = MPI_Wtime();
+loop_time =    loop_current - loop_start;
+counter++;
+}
 }

 free(s_buf1);

[anderbubble]

modifications that were made to stream.c:

$ bash ~/horrible-diff.sh /curc/tools/src/stream/5.9/stream.c /projects/molu8455/redhat_6/software/stream/stream.c
--- /dev/fd/63  2015-05-29 12:30:38.994071470 -0600
+++ /dev/fd/62  2015-05-29 12:30:38.995071474 -0600
@@ -55,7 +55,7 @@
 */

 #ifndef N
-#   define N   2000000
+#   define N   512000000
 #endif
 #ifndef NTIMES
 #   define NTIMES  10