simplify rdtsc benchmark script

Author: jll63

tests/run-rdtsc-benchmark

@@ -11,7 +11,7 @@ prog=./benchmark_rdtsc
 
 for i in $(seq $count); do
     for dispatch in  'ovh' 'vf' 'ref' 'vp' 'iptr' 'sum' 'fum' 'stat_ref' 'stat_vp' 'stat_iptr' 'stat_sum' 'stat_fum'; do
-        $prog $dispatch $cache_state
+        $prog $dispatch 1 $cache_state
     done
     echo
 done