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Fast & simple benchmarking framework for Android. Ever had the feeling that certain parts of your code were slow? Now you can prove it (and make sure your refactor worked)!


for(int i = 0; i < 10; i++) {


  // Code you want to benchmark

In your LogCat output you should see something like the following:

D/Benchit?[benchmark-name] --> Sample Size[10], Average[22ms], Range[20ms --> 33ms], Deviation[4ms] 

You can also compare multiple benchmarks:

// Compare & print results of all Benchmarks;
 // Compare & print results of specific Benchmarks, Benchit.Order.ASCENDING, "benchmark-one", "benchmark-two").log();


// Statistics to calculate.  By default all are enabled. Benchit.setEnabledStats(Benchit.Stat.AVERAGE, Benchit.Stat.STANDARD_DEVIATION);
 // Sets the precision for all future benchmarks.  Default is Milliseconds Benchit.setDefaultPrecision(Benchit.Precision.MICRO);


Benchmarking can be a funny thing. The Dalvik JIT & ART AoT compilers can optimize certain blocks of code without you knowing, which could lead to inaccurate results. So here are a couple of tips for ensuring your benchmarking correctly (or as correctly as possible):

  • Run your benchmarks for enough iterations to be meaningful. If you see inconsistent results, the code probably hasn't been run enough.
  • Run System.gc() between benchmarks, so that the likelihood of a garbage collector pause during one of your tests is reduced.
  • As always - don't over-optimize! If the differences in your benchmarks aren't significant, then don't sacrifice simplicity & readability for speed.


Add the following code to your build.gradle file (as described on JitPack)

repositories {

  maven {

url ""
 dependencies {

  compile 'com.github.T-Spoon:Benchit:v1.0.2' 


Copyright 2015 Oisín O'Neill  Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License. You may obtain a copy of the License at  Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. 


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