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java Programming Glossary: measurementHow to solve performance problem with Java SecureRandom? http://stackoverflow.com/questions/137212/how-to-solve-performance-problem-with-java-securerandom will just be crunching numbers not blocking for physical measurement of entropy. The exception is that if you don't call setSeed..
http://stackoverflow.com/questions/260338/java-benchmarking-tool running time etc. Is there any simple to use performance measurement tool available java performance benchmarking share improve..
fastest (low latency) method for Inter Process Communication between Java and C/C++ http://stackoverflow.com/questions/2635272/fastest-low-latency-method-for-inter-process-communication-between-java-and-c to single core still have much overhead Some shared memory measurement September 14 2009 Solace Systems announced today that its Unified..
Measuring Java execution time, memory usage and cpu load for a code segment http://stackoverflow.com/questions/302026/measuring-java-execution-time-memory-usage-and-cpu-load-for-a-code-segment 'heavy' for what I'm looking to do. Ideally I'd like some measurement class that can be told what I would like to measure with the.. common conventional way of achieving this in Java Such measurements are for one off performance comparisons and so I'm not looking.. go down really well. java performance monitoring jmx measurement share improve this question Profiling may be an easier option..
Which jsr-275 units implementation should be used? http://stackoverflow.com/questions/4224122/which-jsr-275-units-implementation-should-be-used is jsr 275 compliant and easy to use. java units of measurement jscience share improve this question Since the JSR 275 has.. be used and has been replaced by the namespace org.unitsofmeasurement . The spec is available at http www.unitsofmeasurement.org the.. . The spec is available at http www.unitsofmeasurement.org the list of implementations of that spec can be found at..
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 paper shares is to be concerned too much with accuracy of measurement and not enough with accuracy of location . For example here.. pinpoint them. On the subject of statistical accuracy of measurement if a call point is on the stack some percent of time F like..
http://stackoverflow.com/questions/447739/java-performance-testing system and what its load is. This makes the performance measurement somewhat imprecise. One more accurate way of tracking the time..
http://stackoverflow.com/questions/5234517/implementing-sift-in-java . I'm basically investigating several image similarity measurement techniques to find out which ones are appropriate for comparing..
Investigation of optimal sleep time calculation in game loop http://stackoverflow.com/questions/5274619/investigation-of-optimal-sleep-time-calculation-in-game-loop double System.nanoTime timeBefore Starting point for time measurement. timeBefore System.nanoTime SLEEP_PRECISION I usually put to..
Virtual Memory Usage from Java under Linux, too much memory used http://stackoverflow.com/questions/561245/virtual-memory-usage-from-java-under-linux-too-much-memory-used claim to take over 4 gigabytes ... at least by one form of measurement. java Xms1024m Xmx4096m com.example.Hello Different Ways to.. and they're actually documented . Of these the Working Set measurement is the most useful it roughly corresponds to the sum of RES..
Why do System.nanoTime() and System.currentTimeMillis() drift apart so rapidly? http://stackoverflow.com/questions/5839152/why-do-system-nanotime-and-system-currenttimemillis-drift-apart-so-rapidly Both of these Java System calls are intended for use as a measurement one to measure differences in wall clock time and the other.. expect some drift and jitter between these independent measurements but I expected well less than a minute per day of drift. 1.. time I run this program I see drift on the very first measurement. So far I have not run the program for more than about 30 minutes...
Where to stop/destroy threads in Android Service class? http://stackoverflow.com/questions/680180/where-to-stop-destroy-threads-in-android-service-class void addMeasurementToQueue if Measurements.size 100 String measurement packData Measurements.add measurement private void doSendData.. 100 String measurement packData Measurements.add measurement private void doSendData while true try if Measurements.isEmpty.. do stuff which can be interrupted if necessary 2 Your measurements list is accessed by multiple threads the event thread and your..
http://stackoverflow.com/questions/7146207/what-is-the-best-macro-benchmarking-tool-framework-to-measure-a-single-threade analysis and why java performance monitoring performance measurement share improve this question Below is an alphabetical list.. how often the program has to be iterated to get accurate measurements and interprets these for reporting and warnings e.g. about.. simpler grapher so that the user can visually inspect the measurements e.g. for correlations and outliers. Caliper parameterizable..
Really force file sync/flush in Java http://stackoverflow.com/questions/730521/really-force-file-sync-flush-in-java Sometimes things are strange. I should have tried the measurement with another system before writing this question. Sorry. Update..
Accurate Sleep for Java on Windows http://stackoverflow.com/questions/824110/accurate-sleep-for-java-on-windows than 1 2 Millisecond I tried a mixture of Sleep error measurement and BusyWait but I don't get this reliable on different windows..
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