java - Caliper: why not use an annotation to define a benchmark? -


just found out caliper, , going through documentation - looks great tool (thanks kevin , gang @ google opensourcing it).

question. why isn't there annotation-based mechanism define benchmarks common use cases? seems like:

public class foo {   // foo's actual code, followed by...    @benchmark   static int timefoobar(int reps) {      foo foo = new foo();     (int = 0; < reps; ++i) foo.bar();    } }

would save few lines of code , enhance readability.

we decided use timefoo(int reps) rather @time foo(int reps) few reasons:

  • we still have lot of junit 3.8 tests , consistency testfoo() scheme.
  • no need import com.google.caliper.time
  • we'll end reporting benchmark name timefoo foo. easy, it's methodname.substring(4). if used annotations we'd end more complicated machinery handle names @time timefoo(int reps), @time benchmarkfoo(int reps) , @time foo(int reps).

that said, we're reconsidering caliper 1.0.


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