diff --git a/ypsu.cpp b/ypsu.cpp
index 19143a8..2a1ae86 100644
--- a/ypsu.cpp
+++ b/ypsu.cpp
@@ -392,10 +392,36 @@
     free(pd);
   }
 
+  // to measure / profile a single variant
+  void measure_single(int n) {
+    for (auto inputtype : inputtypes) {
+      printf("%10s", inputtype.c_str());
+      fflush(stdout);
+      std::vector<uint32_t> v(n);
+      v = geninput(inputtype, n);
+      measure(inputtype, "sp", [&] { spsort(&v[0], v.size()); });
+
+      for (auto r : results) printf("%9.3fs", r.second);
+      puts("");
+    }
+    puts("");
+    printf("%10s", "worst");
+    for (auto w : worst) printf("%9.3fs", w.second);
+    puts("");
+    printf("%10s", "");
+    for (auto w : worst) printf("%10s", w.first.c_str());
+    puts("");
+  }
+
   int main(void) {
     int n = 100000000;
     //int n = 10000000;
     //int n = 64;
+
+    // Uncomment this for profiling and alg!
+    measure_single(n);
+    return 0;
+
     for (auto inputtype : inputtypes) {
       printf("%10s", inputtype.c_str());
       fflush(stdout);