re-add (and, in some cases, fix) -x support

2 files changed, 5 insertions, 2 deletions

diff --git a/Microbenchmarks/STREAM/host/app.c b/Microbenchmarks/STREAM/host/app.c
index e99d631..c75d71b 100644
--- a/Microbenchmarks/STREAM/host/app.c
+++ b/Microbenchmarks/STREAM/host/app.c
@@ -102,7 +102,7 @@ int main(int argc, char **argv) {
     unsigned int i = 0;
     double cc = 0;
     double cc_min = 0;
-    const unsigned int input_size = p.input_size * nr_of_dpus;
+    const unsigned int input_size = p.exp == 0 ? p.input_size * nr_of_dpus : p.input_size;
 
 #if defined(add) || defined(triad)
     const unsigned int n_arrays = 3;
diff --git a/Microbenchmarks/STREAM/support/params.h b/Microbenchmarks/STREAM/support/params.h
index d28ba65..ad47c39 100644
--- a/Microbenchmarks/STREAM/support/params.h
+++ b/Microbenchmarks/STREAM/support/params.h
@@ -7,6 +7,7 @@ typedef struct Params {
     unsigned int   input_size;
     int   n_warmup;
     int   n_reps;
+    int   exp;
 }Params;
 
 static void usage() {
@@ -29,9 +30,10 @@ struct Params input_params(int argc, char **argv) {
     p.input_size    = 8 << 10;
     p.n_warmup      = 1;
     p.n_reps        = 3;
+    p.exp           = 0;
 
     int opt;
-    while((opt = getopt(argc, argv, "hi:w:e:")) >= 0) {
+    while((opt = getopt(argc, argv, "hi:w:e:x:")) >= 0) {
         switch(opt) {
         case 'h':
         usage();
@@ -40,6 +42,7 @@ struct Params input_params(int argc, char **argv) {
         case 'i': p.input_size    = atoi(optarg); break;
         case 'w': p.n_warmup      = atoi(optarg); break;
         case 'e': p.n_reps        = atoi(optarg); break;
+        case 'x': p.exp           = atoi(optarg); break;
         default:
             fprintf(stderr, "\nUnrecognized option!\n");
             usage();