Spelling fixes e to i.

tests/benchmark_smoke/benchmark_base.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of benchmark_lib;
 
 /** Accessors for our Singleton variables. */
 BenchmarkSuite get BENCHMARK_SUITE {
   if (BenchmarkSuite._ONLY == null) {
     BenchmarkSuite._ONLY = new BenchmarkSuite._internal();
@@ skipping 19 matching lines @@
    * The benchmark code.
    * This function is not used, if both [warmup] and [exercise] are overwritten.
    */
   void run() {}
 
   /** Runs a short version of the benchmark. By default invokes [run] once. */
   void warmup() {
     run();
   }
 
-  /** Exercices the benchmark. By default invokes [run] 10 times. */
+  /** Exercises the benchmark. By default invokes [run] 10 times. */
   void exercise() {
     for (int i = 0; i < 10; i++) {
       run();
     }
   }
 
   /** Not measured setup code executed prior to the benchmark runs. */
   void setup() {}
 
   /** Not measures teardown code executed after the benchmark runs. */
@@ skipping 143 matching lines @@
    * helping readability of the scores.
    */
   String formatScore(num value) {
     if (value > 100) {
       return value.toStringAsFixed(0);
     } else {
       return value.toStringAsFixed(2);
     }
   }
 }