java Programming Glossary: benchmarksJava NIO FileChannel versus FileOutputstream performance / usefulness http://stackoverflow.com/questions/1605332/java-nio-filechannel-versus-fileoutputstream-performance-usefulness your code is suffering with such a large buffer. Run some benchmarks with buffers of 1KB 2KB 4KB 8KB 16KB 32KB and 64KB to prove.. 32KB and 64KB to prove it to yourself. Don't perform java benchmarks that read and write to the same disk. If you do then you are.. and night working on is very IO heavy. I've done micro benchmarks and real world benchmarks to. And the results are up on my blog..
Why did java have the reputation of being slow? [closed] http://stackoverflow.com/questions/2163411/why-did-java-have-the-reputation-of-being-slow VM to start up. If you still think Java is slow see the benchmarks game results. Tightly optimized code written in a ahead of time..
What's the best way to check to see if a String represents an integer in Java? http://stackoverflow.com/questions/237159/whats-the-best-way-to-check-to-see-if-a-string-represents-an-integer-in-java seem a bit hackish What's a better way See my answer with benchmarks based on the earlier answer by CodingWithSpike to see why I've..
http://stackoverflow.com/questions/2842695/what-is-microbenchmarking There can be many factors that skew the result of microbenchmarks. Compiler optimizations is one of them. If the operation being.. it takes longer than the actual operation itself your microbenchmarks will be skewed also. For example someone might take a microbenchmark.. lot of cases. It definitely does not replace whole program benchmarks with well defined test cases profiling . Write readable code..
Performance comparison of Thrift, Protocol Buffers, JSON, EJB, other? http://stackoverflow.com/questions/296650/performance-comparison-of-thrift-protocol-buffers-json-ejb-other very interested in this if anyone has done any further benchmarks please let me know. Also very interesting benchmark showing..
Which Actor model library/framework for Java? [closed] http://stackoverflow.com/questions/3357332/which-actor-model-library-framework-for-java and offer some insight into which to use Which ones have benchmarks for throughput in terms of messages passed per second java..
If profiler is not the answer, what other choices do we have? http://stackoverflow.com/questions/4387895/if-profiler-is-not-the-answer-what-other-choices-do-we-have incorrectness is pervasive 𦷪ccurring in most of our seven benchmarks and in two production JVM and signi麍�cant 𤤗ll four of the state..
How do I write a correct micro-benchmark in Java? http://stackoverflow.com/questions/504103/how-do-i-write-a-correct-micro-benchmark-in-java share improve this question Tips about writing micro benchmarks from the creators of Java HotSpot Rule 0 Read a reputable paper.. is Brian Goetz 2005 . Do not expect too much from micro benchmarks they measure only a limited range of JVM performance characteristics...
Boolean[] vs. BitSet: Which is more efficient? http://stackoverflow.com/questions/605226/boolean-vs-bitset-which-is-more-efficient arrays bitsets share improve this question From some benchmarks with Sun JDK 1.6 computing primes with a sieve best of 10 iterations..
The art of programming: Java vs C# [closed] http://stackoverflow.com/questions/610199/the-art-of-programming-java-vs-c-sharp Closures Runtime generics Generics of primitive types benchmarks of this sorting a list of a million ints vs a million Integer..
High performance serialization: Java vs Google Protocol Buffers vs …? http://stackoverflow.com/questions/647779/high-performance-serialization-java-vs-google-protocol-buffers-vs The Java version is in the main Google project in the benchmarks directory the .NET version is in my C# port project . If you.. anyway. If you have the chance use the server vm my recent benchmarks showed the server VM to be over twice as fast at serializing.. results on my laptop using the server VM Benchmarking benchmarks.GoogleSize SizeMessage1 with file google_message1.dat Serialize..
Java Memcached Client [closed] http://stackoverflow.com/questions/731738/java-memcached-client application optimization. I still do pretty well in micro benchmarks but to compare fairly against the other client you have to contrive..
Efficiently compute Intersection of two Sets in Java? http://stackoverflow.com/questions/7574311/efficiently-compute-intersection-of-two-sets-in-java is being used And as always there are dangers with micro benchmarks. YMMV. Here are the ugly results times in milliseconds Running..
Convert from byte array to hex string in java http://stackoverflow.com/questions/9655181/convert-from-byte-array-to-hex-string-in-java 2 1 hexArray v 0x0F return new String hexChars My own tiny benchmarks a million bytes a thousand times 256 bytes 10 million times..
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