fix benchmarks

up to 20 recursive fibo
had mixed add and calls for rubyx

test/bench/rubyx/adds.rb

@@ -1,19 +1,22 @@
 class Space
 
   def fibo_i(fib)
+    n = fib
     a = 0
-    b = fib
-    while( a < b )
-      a = a + 1
-      b = b - 1
+    b = 1
+    i = 1
+    while( i < n )
+      result = a + b
+      a = b
+      b = result
+      i = i + 1
     end
-    return a
+    return result
   end
 
-  # ran with --parfait=100000
-  # (time - noop) * 25 + noop
+  # ran with --parfait=40000
   def main(arg)
-    b = 4000
+    b = 1000
     while( b >= 1 )
       b = b - 1
       fibo_i(20)

test/bench/rubyx/calls.rb

@@ -1,27 +1,22 @@
 class Space
 
-  def fibo_r(fib)
-    n = fib
-    a = 0
-    b = 1
-    i = 1
-    while( i < n )
-      result = a + b
-      a = b
-      b = result
-      i = i + 1
-    end
-    return result
+  def fibo_r( n )
+     if( n <  2 )
+       return n
+     end
+     a = fibo_r(n - 1)
+     d = fibo_r(n - 2)
+     return a + d
   end
 
-  # ran with --parfait=80000
-  # (time - noop) * 50 + noop
+  # ran with --parfait=70000
   def main(arg)
-    b = 2000
+    b = 2
+    res = 0
     while( b >= 1 )
       b = b - 1
-      fibo_r(20)
+      res = fibo_r(20)
     end
-    return b
+    return res
   end
 end