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기술면접 Presentation

기술면접 Presentation. 정병우 ( Andrew Chong ) Research Assistant of University of Utah. Self-Introduction Diagram. Win, Linux App. OS Kernel. Hardware Architecture. Digital VLSI. Electronic Engineering. Debugging. Security. OS Kernel Implementation.

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기술면접 Presentation

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  1. 기술면접 Presentation 정병우 (Andrew Chong) Research Assistant of University of Utah

  2. Self-Introduction Diagram Win, Linux App OS Kernel Hardware Architecture Digital VLSI Electronic Engineering Debugging Security

  3. OS Kernel Implementation University of Utah, Operating System class, Worked with 2 computer science PhD candidates. 2007/08~12 OS Kernel Interprocess Comm. Process Context Switching Syscalls Virtual Memory Mgmt. Interrupt Handling Boot Loader Yalnix Hardware Emulator TLB Hardware Protection Linux System

  4. ActiveX based SSO Module Jang Media Interactive, 농협은행과 철도청 납품, Worked with 8 lab researchers. 2002/06~12 SSO: Single sign-on signs only once on the group of systems Login (by password) token Login (by token) Login (by token) Login (by token)

  5. ActiveX based SSO Module Jang Media Interactive, 농협은행과 철도청 납품, Worked with 8 lab researchers. 2002/06~12 SSO: Single sign-on signs only once on the group of systems Internet Explorer SSO Client (COM module, MFC/Win32) ActiveX (ATL) Channel Encryption to SSO Server Password Obfuscation Connecting to SSO Client Session Key Management Windows Tray Icon Management

  6. Siemens X300 Ultrasound Medical Device Siemens Korea, Exported to U.S., Worked with 200+ SW/HW researchers. 2006/12~2007/07 Script Acquisition Script Database Stability New Features Middleware 1.6 mil. lines of C/C++ code Understood by Divide and Conquer Automated Script Testing Software Blackbox Input Script Replayer

  7. How I may contribute to Samsung Smart Phone Low Power Security Robustness Performance Experience with 3+ Commercial Products

  8. Personal Engineering Principles (Appendix A) Some say speed is the king (e.g. Python, Extreme Programming) Reducing Uncertainty (e.g. bugs and risks) Case Study of Sun’s Rock Processor and Intel’s Approach A bug creates other bugs Ease of Refactoring -> Bold Moves -> New Features Amdahl’s Law Fix the most critical bugs first Priority–based Task Management

  9. Future 16 core CPU Research (Appendix B) University of Utah, Worked with Dr. Rajeev Balasubramonian, 2007/12~2009/11 Condor Grid 64 Linux x86 machines 3000 simulation tasks Simics Multicore Simulation: SPARC/Solaris 2~32 cores

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