jm + java-8   5

Native Memory Tracking
Java 8 HotSpot feature to monitor and diagnose native memory leaks
java  jvm  memory  native-memory  malloc  debugging  coding  nmt  java-8  jcmd 
29 days ago by jm
Java lambdas and performance
Lambdas in Java 8 introduce some unpredictable performance implications, due to reliance on escape analysis to eliminate object allocation on every lambda invocation. Peter Lawrey has some details
lambdas  java-8  java  performance  low-latency  optimization  peter-lawrey  coding  escape-analysis 
july 2015 by jm
OG-Commons/Guavate.java
'Utilities that help bridge the gap between Java 8 and Google Guava. Guava has the {@link FluentIterable} concept which is similar to streams. In many ways, fluent iterable is nicer, because it directly binds to the immutable collection classes. However, on balance it seems wise to use the stream API rather than {@code FluentIterable} in Java 8.'
guava  java-8  java  fluentiterable  streams  fluent  coding 
april 2015 by jm
[JavaSpecialists 215] - StampedLock Idioms
a demo of Doug Lea's latest concurrent data structure in Java 8
doug-lea  concurrency  coding  java-8  java  threads 
december 2013 by jm
java.util.stream.SpinedBuffer
interesting new data structure, pending addition in Java 8. Basically an array of arrays which presents the API of a single List.
An ordered collection of elements. Elements can be added, but not removed. Goes through a building phase, during which elements can be added, and a traversal phase, during which elements can be traversed in order but no further modifications are possible.
spinedbuffer  data-structures  algorithms  java  jdk  jvm  java-8  arrays  lists 
october 2013 by jm

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