Java Magazine, Sept/Oct 2018
ORACLE COM JAVAMAGAZINE SEPTEMBER OCTOBER 2018 64 the leading edge benchmark a 33 advantage in the SPECjbb2015 Max jOPS benchmark and a 28 advantage in the SPECjvm2008 base composite benchmark As demonstrated by the SPECjvm2008 benchmarks for typical server side Java business applications that process and encrypt data and XML files the OpenJDK 11 ARMv8 port running on a Cavium ThunderX2 system is faster than the Intel counterpart The Java software ecosystem is ready for production deployments on Arm based systems For embedded and IoT use cases the Arm platform is already the primary platform of choice but why would server manufacturers and major cloud providers consider moving to a diferent architecture if the performance advantage is only tens of percents Price performance is the answer Given the performance of the JVM on Arm based systems and the price of the CPUs this starts to make sense And it becomes very easy to try considering how little efort is required to take existing Java applications to a new architecture article Aleksei Voitylov is the CTO of BellSoft where he drives innovation for the companys customers including optimizing OpenJDK for Cavium systems Prior to cofounding BellSoft he ran teams at Oracle and Sun Microsystems and in particular he helped deliver multiple components of the JDK 8 and 9 releases including the HotSpot JVM and the Java language He holds a PhD from Saint Petersburg State University
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