Java*

Architecture Pattern: Compute On Demand

There are so many examples of applications using pre-processing strategy that it is trivial. For example using a webcam we often find the device driver doing some software adjustments and corrections such as white balancing. Too often we find devices using software features. Other examples would be in a pipeline and User Interfaces. When it comes to UI we already learned to fill the list when the user clicks the drop-down, so only when the user really wants to use the list we will "pay" for the data.

What's new? Update 2 - Intel® VTune™ Amplifier XE 2013

Intel® VTune™ Amplifier XE 2013

Intel® VTune™ Amplifier XE is an easy to use performance and thread profiler for C, C++, C#, Fortran, Java and MPI developers. No special recompiles are needed, just start profiling.  Hotspots are highlighted on the source.  A powerful timeline makes it easy to tune your application and scale performance on multicore processors.

  • Desenvolvedores
  • Linux*
  • Microsoft Windows* (XP, Vista, 7)
  • Microsoft Windows* 8
  • .NET*
  • C#
  • C/C++
  • Fortran
  • Java*
  • Intel® Parallel Studio XE
  • Intel® VTune™ Amplifier XE
  • Sample Application: Video Player

    Abstract
    This sample application shows how to use the HTML5 video Video Tag in a Windows* Store app. The application is written in JavaScript* and it shows a gallery view from video files in the user’s video library. The application plays all video files simultaneously when it starts. The user can also select a video file to play individually.

  • Desenvolvedores
  • Microsoft Windows* 8
  • Windows*
  • Java*
  • windows
  • store
  • video
  • WindowsCodeSample
  • Estilo de interface do Microsoft Windows* 8
  • Considerations for tuning Your Intel® Xeon Linux*/Apache* Server

    In this blog, I will discuss a list of useful Linux commands to run, to tune your system for running the Apache web service, as well as some Apache tuning configuration changes which have shown to improve performance in some of our benchmarks.   In our tests, we used a software benchmark (SPECweb2009) to simulate load, however the analysis and tuning process described here applies to anyone who is trying to get more performance out of their Linux web servers.

    VMware Fusion 5 supports Intel® VTune™ Amplifier event sampling

    One of the great features in Intel® VTune™ Amplifier is the use of the event monitoring registers built into Intel processors. These can give us important insights into what is really happening on a system. The event monitoring allows the profiling of code in terms of what causes caches misses, unaligned memory accesses, denormalized numeric computations and hundred of other types of processor and memory activity.

    Java support is back in VTune™ Amplifier XE

    Why does someone need Java application profiling? The main purpose of performance profiling is identifying functions or code locations which take up most of CPU’s time, and finding out how effectively they use this computing resource. Profiling pure Java applications and more importantly mixed Java and native C/C++ applications is becoming necessary again. Java profiling has been added in the new Intel(R) VTune™ Amplifier XE 2013 in addition to the JITed application profiling support.
  • Desenvolvedores
  • Java*
  • Intermediário
  • Intel® VTune™ Amplifier XE
  • Ferramentas de desenvolvimento
  • Android ffmpeg的x86编译和优化

    Android内置的编解码器比较少,流媒体功能也比较薄弱,现有的android关于远程视频的程序大部分使用了FFMPEG。FFmpeg是一个开源免费跨平台的视频和音频流方案,属于自由软件,采用LGPL或GPL许可证(依据你选择的组件)。它提供了录制、转换以及流化音视频的完整解决方案。它包含了非常先进的音频/视频编解码库libavcodec,为了保证高可移植性和编解码质量,libavcodec里很多codec都是从头开发的。FFmpeg支持MPEG、DivX、MPEG4、AC3、DV、FLV等40多种编码,AVI、MPEG、OGG、Matroska、ASF等90多种解码.TCPMP, VLC, MPlayer等开源播放器都用到了FFmpeg。这些播放器也大部分移植到了Android 上,只是都是基于ARM的,本文基于目前流行的2个开源项目,介绍了如何移植FFMPEG到x86的android平台上。
  • Desenvolvedores
  • Desenvolvedores Intel AppUp®
  • Estudantes
  • Android*
  • Android*
  • C/C++
  • Java*
  • Avançado
  • Extensões Intel® Streaming SIMD
  • OpenGL*
  • optimization
  • simd
  • OpenGL ES
  • Embarcado
  • Gráficos
  • Otimização
  • Páginas

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