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Software Development
A down side of durable messaging
Overview Durable messaging can be very fast, as fast as non-durable messaging up to a point. Limitations of durable messaging…
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Enterprise Java
High Performance Durable Messaging
Overview While there are a good number of high performance messaging systems available for Java, most avoid quoting benchmarks which…
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Core Java
Java Memory Model and optimisation
Overview Many developers of multi-threaded code are familiar with the idea that different threads can have a different view of…
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Core Java
Should Java be more high level or low level?
Overview Java 8 is bringing much antisipated features such as Lambda expressions, Type Annotations and Virtual Extensions. While this functionality…
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Core Java
Local variables inside a loop and performance
Overview Sometimes a question comes up about how much work allocating a new local variable takes. My feeling has always…
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Core Java
Can synchronization be optimised away?
Overview There is a common misconception that because the JIT is smart and synchronization can be eliminated for an object…
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Core Java
Java Object resurrection
Overview After an object which overrides finalize() is collected it is added to a finalization queue to be cleaned up…
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Core Java
Performance of inlined virtual method invocations in Java
Overview One of the benefits of dynamic compilation it the ability to support extensive method inlining on virtual method code.…
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Core Java
When using direct memory can be faster
Overview Using direct memory is no guarantee of improving performance. Given it adds complexity, it should be avoided unless you…
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