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Platform for X-Smiles

X-Smiles Workshop 2001 Platform for X-Smiles Researcher Helsinki University of Technology Ganesh.Sivaraman@hut.fi http://www.x-smiles.org/ Outline Introduction Overview of the platform Operating system Java Runtime Environment Conclusions Introduction What is platform?

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Platform for X-Smiles

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  1. X-Smiles Workshop 2001 Platform for X-Smiles Researcher Helsinki University of Technology Ganesh.Sivaraman@hut.fi http://www.x-smiles.org/

  2. Outline • Introduction • Overview of the platform • Operating system • Java Runtime Environment • Conclusions

  3. Introduction • What is platform? • In the literary sense “A raised surface” • In the technical sense “Underlying hardware and/or software for a system” • We emphasize on the software • X-Smiles uses “Java”, hence for executing byte code JRE is required within the platform

  4. Overview of the platform • Hardware: Currently, using PC environment, though primitive tests have been carried in embedded system • Software: Comprises of Operating System - Linux w/o X-server and system drivers X-Smiles browser Java based Parsers JRE Core Java Classes Hardware and software

  5. Overview of the platform (contd..) • Java Runtime Environment: • Kaffe’s ‘clean-room’ implementation is used • For graphical applications, rendering is done using framebuffer • Framebuffer provides the high level abstraction of the graphics h/w • Vesafb is the framebuffer driver for the Intel architecture, which supports VESA2.0 compliant graphics hardware. • 8bpp to 24bpp and 640x480 1600x1200

  6. Conclusions • With a working prototype system, the next step is to ‘tweak’ it to achieve better performance • Have native decoders for video rendering • Currently used JRE does not provide the much needed functionality to support all of the features of the browser • Memory foot print and processor load is still under scrutiny

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