Java SE 7 InvokeDynamic in JRuby
9. JIT最適化の例: インライン化 double addAllSqrts(int max) { double accum = 0; for (int i = 0; i < max; i++) { accum = addSqrt(accum, i); } return accum; } double addSqrt(double a, int b) { return a + Math.sqrt(b); } public static void main(String[] args) { for (int i = 0; i < 100000; ++i) { (new Target()).addAllSqrts(10); } } 10. JIT最適化の例: インライン化 % java -XX:+PrintCompilation -XX:+UnlockDiagnosticVMOptions -
How Garbage Collection differs in the three big JVMs
Published May 11, 2011 Updated November 7, 2022 10 min read Most articles about Garbage Collection ignore the fact that the Sun Hotspot JVM is not the only game in town. In fact whenever you have to work with either IBM WebSphere or Oracle WebLogic you will run on a different runtime. While the concept of Garbage Collection is the same, the implementation is not and neither are the default setting
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