先说结论，如摘要所述，用Groovy的语法糖的同时若是苛求性能，就加@CompileStatic编译注解。git
下面是用punit作的2次并发性能测试结果，第一次是执行一个简单的方法调用，第二个是模拟一个耗时的业务方法。并发
工程代码，请参考个人git：性能
http://git.oschina.net/key232323/groovy-performance-test测试
第一次：（只作计算）
spa
[concurrent] Starting com.innohub.bench.runner.Tester.net
com.innohub.bench.runner.Testerorm
testDoCalJava() - [0.007931ms]ip
testGroovyInterfaceAndStatic() - [0.006531ms]it
testGroovyInterface() - [0.078376ms]编译
testGroovyScript() - [0.099371ms]
total: 4, failures:0 (GREEN) - 919.502066ms
[concurrent] Starting com.innohub.bench.runner.Tester
com.innohub.bench.runner.Tester
testDoCalJava() - [0.006065ms]
testGroovyInterfaceAndStatic() - [0.007464ms]
testGroovyInterface() - [0.078376ms]
testGroovyScript() - [0.106368ms]
total: 4, failures:0 (GREEN) - 85.572821ms
[concurrent] Starting com.innohub.bench.runner.Tester
com.innohub.bench.runner.Tester
testDoCalJava() - [0.007931ms]
testGroovyInterfaceAndStatic() - [0.005598ms]
testGroovyInterface() - [0.079777ms]
testGroovyScript() - [0.091906ms]
total: 4, failures:0 (GREEN) - 500.078843ms
第二次：（Sleep 10ms模拟耗时的业务方法）
[concurrent] Starting com.innohub.bench.runner.Tester
com.innohub.bench.runner.Tester
testDoCalJava() - [10053.493918ms]
testGroovyInterfaceAndStatic() - [10041.729026ms]
testGroovyInterface() - [10185.924769ms]
testGroovyScript() - [10039.974882ms]
total: 4, failures:0 (GREEN) - 41040.644815ms
[concurrent] Starting com.innohub.bench.runner.Tester
com.innohub.bench.runner.Tester
testDoCalJava() - [10058.807668ms]
testGroovyInterfaceAndStatic() - [10050.167577ms]
testGroovyInterface() - [10063.309659ms]
testGroovyScript() - [10067.116524ms]
total: 4, failures:0 (GREEN) - 40332.292666ms
[concurrent] Starting com.innohub.bench.runner.Tester
com.innohub.bench.runner.Tester
testDoCalJava() - [10028.900451ms]
testGroovyInterfaceAndStatic() - [10028.953634ms]
testGroovyInterface() - [10042.517924ms]
testGroovyScript() - [10037.078679ms]
total: 4, failures:0 (GREEN) - 40468.62882ms