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GBench is a benchmarking framework for Groovy. GBench has two features for benchmarking: @Benchmark / Benchmark AST Transformation for real program benchmarking and BenchmarkBuilder for micro-benchmarking. import gbench.*
class Task {
@Benchmark void run() {
// task
}
}
/* Output:
Task void run() user:847000 system:1777000 cpu:2624000 real:4918000
*/import gbench.*
new BenchmarkBuilder().run {
'StringBuilder' {
def sb = new StringBuilder()
sb.append('foo')
sb.append('bar')
sb.append('baz')
sb.toString()
}
'StringBuffer' {
def sb = new StringBuffer()
sb.append('foo')
sb.append('bar')
sb.append('baz')
sb.toString()
}
}.prettyPrint()
/* Output:
Environment
===========
* Groovy: 1.8.6
* JVM: Java HotSpot(TM) 64-Bit Server VM (23.0-b15, Oracle Corporation)
* JRE: 1.7.0_04-ea
* Total Memory: 99.4375 MB
* Maximum Memory: 1169.8125 MB
* OS: Mac OS X (10.7.3, amd64)
Options
=======
* Warm Up: Auto
* CPU Time Measurement: On
user system cpu real
StringBuilder 236 0 236 237
StringBuffer 263 0 263 267
*/News
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