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java Programming Glossary: processorHow many hardware details can a Java Applet Discover? http://stackoverflow.com/questions/1011063/how-many-hardware-details-can-a-java-applet-discover if I know a computer has a large amount of RAM but a weak processor I can alter the balance of some time memory trade offs. Being.. Generally what I'm looking for is Number of cores and or processors 32 bit vs 64 bit CPU CPU Cache line size Size of L1 L2 L3 cache.. provides getAvailableProcessors The number of available processors equivalent Runtime.availableProcessors getSystemLoadAverage..
More efficient way for pausing loop wanted http://stackoverflow.com/questions/10665780/more-efficient-way-for-pausing-loop-wanted it possible to rewrite this code for better working with processor I have a class which does some tasks with fixed periodicy in.. for pausing it works fine but loop in this way still loads processor when process is paused. Is it possible to fix this private boolean.. private boolean mIsPaused true TODO more efficient for processor way of pausing is required private final Thread mTimerThread..
Why is processing a sorted array faster than an unsorted array? http://stackoverflow.com/questions/11227809/why-is-processing-a-sorted-array-faster-than-an-unsorted-array backing up and restarting. Consider an if statement At the processor level it is a branch instruction You are a processor and you.. the processor level it is a branch instruction You are a processor and you see a branch. You have no idea which way it will go... complete. Then you continue down the correct path. Modern processors are complicated and have long pipelines. So they take forever..
Is Java a Compiled or an interpreted programming language? http://stackoverflow.com/questions/1326071/is-java-a-compiled-or-an-interpreted-programming-language and executed interpreted directly executed by a supported processor bytecode is the native instruction set of some CPUs share..
get type of a generic parameter in java with reflection http://stackoverflow.com/questions/1901164/get-type-of-a-generic-parameter-in-java-with-reflection time. Thus the Java generics are just some kind of pre processor. However you can get the actual class of the members of the..
Any recommended Java profiling tutorial? [closed] http://stackoverflow.com/questions/2422289/any-recommended-java-profiling-tutorial as when waiting for a transaction to complete on another processor. Measuring has the same problem. In those cases I use a laborious..
Volatile guarantees and out-of-order execution http://stackoverflow.com/questions/2441279/volatile-guarantees-and-out-of-order-execution b I'll read a non null a Because due to out of order multi processor and the way volatile works b could be assigned before a volatile..
http://stackoverflow.com/questions/2842695/what-is-microbenchmarking compiler implementation compiler switches number of processor cores optimizations at the processor level operating system.. switches number of processor cores optimizations at the processor level operating system schedulers operating system background..
How to make a Java thread wait for another thread's output? http://stackoverflow.com/questions/289434/how-to-make-a-java-thread-wait-for-another-threads-output kind of works but the empty loop consumes a lot of processor cycles. Any other ideas Thanks. java multithreading share..
Why the result of 1/3=0 in java? http://stackoverflow.com/questions/4685450/why-the-result-of-1-3-0-in-java of 0.333... is thus rounded down to 0 here. Note that the processor doesn't actually do any rounding but you can think of it that..
Primitive type 'short' - casting in Java http://stackoverflow.com/questions/477750/primitive-type-short-casting-in-java with the arithmetic operations built in in the target processor. This leads to much more eļ¬cient code because it can use the..
Is System.nanoTime() completely useless? http://stackoverflow.com/questions/510462/is-system-nanotime-completely-useless measuring time1 the thread is scheduled to a different processor whose counter is less than that of the previous cpu. Thus we.. to use the power management timer PMTimer rather than the processor timestamp counter TSC due to problems with the TSC not being.. problems with the TSC not being synchronized on different processors in SMP systems and due the fact its frequency can vary and..
Green Threads vs Non Green Threads http://stackoverflow.com/questions/5713142/green-threads-vs-non-green-threads Non Green Some say green threads are better for multi core processor. Any Expected behaviour problems. java multithreading share..
How do I simulate a buffered peripheral device with SwingWorker? http://stackoverflow.com/questions/7036509/how-do-i-simulate-a-buffered-peripheral-device-with-swingworker the card reader on a different thread. Instead let the processor model have a card reader model that does the waiting on a java.util.Timer..
Difference between <context:annotation-config> vs <context:component-scan> http://stackoverflow.com/questions/7414794/difference-between-contextannotation-config-vs-contextcomponent-scan also from what I've read they register the same bean post processor classes. To confuse me even more there is an annotation config..
Java, xml, XSLT: Prevent DTD-Validation http://stackoverflow.com/questions/1572808/java-xml-xslt-prevent-dtd-validation . Now a problem occurs Uppon transformation the XSLT Processor tries to download the DTD and the w3 server denies this by a.. to Bandwith Limitation by w3 . How can I prevent the XSLT Processor from downloading the dtd I dont need my input document validated...
How to intentionally cause a custom java compiler warning message? http://stackoverflow.com/questions/1752607/how-to-intentionally-cause-a-custom-java-compiler-warning-message page . I think what you need in the APT API is AnnotationProcessorEnvironment which will let you emit warnings. From Java 6 APT.. java.util.Set import javax.annotation.processing.AbstractProcessor import javax.annotation.processing.ProcessingEnvironment import.. @SupportedAnnotationTypes fr.barjak.hack.Hack public class Processor extends AbstractProcessor private ProcessingEnvironment env..
java error: Exception in thread “main” java.lang.NullPointerException http://stackoverflow.com/questions/2140959/java-error-exception-in-thread-main-java-lang-nullpointerexception Vector camCapFormat new Vector int camFPS int camImgSel Processor processor null DataSink datasink null public static void main.. framerate fetchDeviceDataSource createPBDSource createProcessor dataSource startCapture try Thread.sleep 20000 catch Exception.. .getStreams 0 catch Exception e public void createProcessor DataSource datasource FileTypeDescriptor ftd new FileTypeDescriptor..
http://stackoverflow.com/questions/215236/threads-per-processor per Processor In Java is there a programmatic way to find out how many concurrent.. threads and I am aware of Runtime.getRuntime .availableProcessors function which provides me part of the information I'm looking.. Then when your application runs it can check availableProcessors and decide how many threads it should spawn. Hyperthreading..
Increasing the JVM maximum heap size for memory intensive applications http://stackoverflow.com/questions/3030263/increasing-the-jvm-maximum-heap-size-for-memory-intensive-applications Here's a summary of the computer specs OS Windows 7 64 bit Processor Intel Core i7 2.66 GHz Memory 8 GB java version java version..
How does Java makes use of multiple cores? http://stackoverflow.com/questions/4436422/how-does-java-makes-use-of-multiple-cores can simply be a waste of resources. You can use availableProcessors to get the number of cores. In Java 7 there is fork join framework.. required to make use of Multi core processors Threads per Processor Correctly multithreaded quicksort or mergesort algo in Java..
What is the Most Efficient Java-Based streaming XSLT Processor? http://stackoverflow.com/questions/460895/what-is-the-most-efficient-java-based-streaming-xslt-processor is the Most Efficient Java Based streaming XSLT Processor I have a very large XML file which I need to transform into..
http://stackoverflow.com/questions/4948152/need-sample-android-rest-client-project-which-implements-virgil-dobjanschi-rest the Service REST approach it is built with ServiceHelper Processor ContentProvider Loader and Broadcast. share improve this answer..
capture live video from webcam using java [closed] http://stackoverflow.com/questions/5504191/capture-live-video-from-webcam-using-java as it is being recorded Component videoScreen null The Processor processes data and creates an output in the destination format.. and creates an output in the destination format required Processor processor null takes a DataSource as input and renders the.. new AudioFormat AudioFormat.LINEAR create a new processor ProcessorModel processorModel new ProcessorModel mixedDataSource outputFormat..
How to develop screen capture to video application http://stackoverflow.com/questions/6236119/how-to-develop-screen-capture-to-video-application ids new ImageDataSource width height frameRate inFiles Processor p try System.err.println create processor for the image datasource.. processor for the image datasource ... p Manager.createProcessor ids catch Exception e System.err.println Yikes Cannot create.. source. return false p.addControllerListener this Put the Processor into configured state so we can set some processing options..
Java Generics: Accessing Generic Type at runtime http://stackoverflow.com/questions/9548779/java-generics-accessing-generic-type-at-runtime generic type attributes through the Java 6 Annotation Processor API. Thanks. Edit Thank you all for your great pointers. I found..
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