Using +.

Rev: lib/modules/Tools.pmod/Shoot.pmod/AppendMapping2.pike:1.1

lib/modules/Tools.pmod/Shoot.pmod/AppendMapping2.pike

+#pike __REAL_VERSION__
+inherit Tools.Shoot.Test;
+
+constant name="Append mapping (+)";
+
+int k = 600; /* variable to tune the time of the test */
+int m = 2000; /* the target size of the mapping */
+int n = m*k; // for reporting
+
+void perform()
+{
+   for (int i=0; i<k; i++)
+   {
+      mapping v=([]);
+      for (int j=0; j<m; j++)
+	v+=([j:42]);
+   }
+}
+
+string present_n(int ntot,int nruns,float tseconds,float useconds,int memusage)
+{
+   return sprintf("%.0f/s",ntot/useconds);
+}