Yonghyun Hwang is a Ph.D. candidate in Computer Science at UC Irvine with extensive experience developing software for real-time operating systems, compilers, and system profiling tools. He has worked on projects related to embedded system modeling, multi-processor system design,
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ConFoo 2016 - Mum, I want to be a Groovy full-stack developerIván López Martín
How many times have you ever heard the term "Full-Stack developer"? In most of the cases it means that you have to be fluent with a backend language, html, javascript, maybe Android or iOS... What if I told you that you can be a Full-Stack developer using only Groovy?
In this talk I'll present the technological stack of Polaromatic, and you'll learn that it's possible to write the whole stack using Groovy. Isn't that amazing?
• Mechanical Engineer with more of 20 years of experience in oil industry mainly on the operational handling of refined products of petroleum, such as gasoline, airplanes fuel (Jet-A1), Diesel, Liquefied Gas of Petroleum (LPG), mainly in the supervision of unloading operations from ship-tankers, storage of liquid products in atmospheric tanks and pressurized spheres. Experience and trained about Health, Safety and Environment (HSE) in operational activities of plants.
• Operations in maritime terminal (unloading of petroleum refined products),
• Maintenance Contracts Administrator at Plants of fuels (wholesale) and Gas Stations (retails).
• Inspections of materials and equipments used on gas stations for vehicles (Dispensers and Natural Gas Compressor Ariel, Sulzer and Nuovo Pignone.
• Bidding process of Maintenance contracts and preparation of technical specifications for maintenance activities in equipments installed in Plants of fuels, Gas Station and tools used in Casing Running Service
• Speak Spanish (natural language), English (Reading and Writing fluently, Speaking advanced).
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ConFoo 2016 - Mum, I want to be a Groovy full-stack developerIván López Martín
How many times have you ever heard the term "Full-Stack developer"? In most of the cases it means that you have to be fluent with a backend language, html, javascript, maybe Android or iOS... What if I told you that you can be a Full-Stack developer using only Groovy?
In this talk I'll present the technological stack of Polaromatic, and you'll learn that it's possible to write the whole stack using Groovy. Isn't that amazing?
• Mechanical Engineer with more of 20 years of experience in oil industry mainly on the operational handling of refined products of petroleum, such as gasoline, airplanes fuel (Jet-A1), Diesel, Liquefied Gas of Petroleum (LPG), mainly in the supervision of unloading operations from ship-tankers, storage of liquid products in atmospheric tanks and pressurized spheres. Experience and trained about Health, Safety and Environment (HSE) in operational activities of plants.
• Operations in maritime terminal (unloading of petroleum refined products),
• Maintenance Contracts Administrator at Plants of fuels (wholesale) and Gas Stations (retails).
• Inspections of materials and equipments used on gas stations for vehicles (Dispensers and Natural Gas Compressor Ariel, Sulzer and Nuovo Pignone.
• Bidding process of Maintenance contracts and preparation of technical specifications for maintenance activities in equipments installed in Plants of fuels, Gas Station and tools used in Casing Running Service
• Speak Spanish (natural language), English (Reading and Writing fluently, Speaking advanced).
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An engineer with background in research and development. Currently working in middle ware software development. Have published papers in IEEE conferences and look for research opportunities especially in development of protocols.
DEVNET-1169 CI/CT/CD on a Micro Services Applications using Docker, Salt & Ni...Cisco DevNet
Nowadays, we heard a lot regarding micro services and DevOps but then, what are the impacts for an application development and how to really achieve this? The demo will demonstrate the benefits of using Docker (and related tools / technologies) for a micro services application and then having a continuous integration / tests / deployment workflow on CCS/Nimbus.
1. YONGHYUN HWANG
Verano Place 4821 yonghyuh@ics.uci.edu
Irvine, CA, 92617 (949) 533-0907
An accomplished Software Engineer with extensive development experiences on RTOS, Compiler, and System
Profiling tool along with a strong background on Hardware
EDUCATION
Ph. D. Candidate in Computer Science (GPA 4.0/4.0) Sept. 2005 - Expected graduation, June 2009
Center for Embedded Computer Systems, (http://www.cecs.uci.edu), University of California, Irvine, CA
Advisor: Prof. Daniel Gajski
M.S. in Computer Science Mar. 2000 - Feb. 2002
Computer Architecture and Embedded Systems Lab, Seoul National University (SNU), Seoul, Korea
Advisor: Prof. Jihong Kim
B.S. in Computer Science Mar. 1996 – Feb. 2000
Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea
PROFESSIONAL EXPERIENCES
Graduate Research Assistant Sept. 2005 – present
Center for Embedded Computer Systems (CECS), University of California, Irvine
• Embedded System Environment (ESE, www.cecs.uci.edu/~ese)
- Developed a CAD toolset for modeling, synthesis and validation of multi-processor embedded system
designs as a project technical leader
- Took a charge of configuration management of the project; CVS trees, bug tracking system, etc.
- Designed and implemented API modules to handle internal data structures and database system for ESE
• System Profiling Tool
- Presented and implemented retargettable system performance estimation framework for a heterogeneous
multi-processor environment using systemC Timed Transaction Level Model (TTLM)
- Developed Transaction Level Model (TLM) compiler annotating and compiling application codes with
performance metrics
- Developed timed abstract RTOS model that elaborates dynamic RTOS behavior and overhead of RTOS
primitives
• Platform Synthesis Engine
- Developed automatic Pin-Cycle Accurate Model (PCAM) generator for given TLM specification
- Implemented Xilinx Platform Studio (XPS) project exporter
- Developed inter process communication framework on Xilkernel
2. • XML Parser Generator
- Developed Perl scripts generating a dedicated parser in C and C++ for a given XML schema
• Multimedia Applications
- Implemented MP3 decoder on Xilinx Virtex IV board with one processor, two custom hardwires, two buses,
and one transducer
- Developed JPEG decoder on Xilinx Virtex IV board with five processors, one transducer, and one bus
- Developed TTLM for H.264 codec
Navy Officer (Lieutenant Jr. Grade) Mar. 2002 – June 2005
The Naval Academy, Jinhae, Korea
• Full-time lecturer in department of the computer science
• Administrative officer of the admission and public relations office
Graduate Research Assistant Mar. 2000 – Feb. 2002
CARES Lab, SNU (http://davinci.snu.ac.kr), Seoul, Korea
• MobileWise.Server (www.ubiquix.com)
- It automatically converts and condenses wired Internet web contents to wireless ones without creating new
version for mobile device (full automatic contents adaptation)
- Designed and developed a web-page transcoding framework, WebAlchemist, for the mobile web clients that
runs noble algorithms for an efficient web transcoding
• Power Efficient File System
- Refactored Linux kernel to implement power efficient file system for mobile hand-held appliances
- Applied low power techniques considering the property of flash memory
• Blue Marble Game
- Developed blue marble game in PDA, where players can play the game with other gamers throughout
wireless infrared connection
• Simulator
- Developed high level application simulation environment using control flow graph analysis for the Dynamic
Voltage Scaling (DVS) techniques
- Developed event driven simulator for Dynamic Power Management (DPM) techniques
Teaching Assistant Mar. 2001 – Aug. 2001
SNU, Seoul, Korea
• TA for a graduate course on special topics with emphasis on embedded systems
QUALIFICATIONS
Language
• Korean (Native); English (Intermediate); Japanese (Beginner)
3. Software Development
• Languages: C/C++ (STL, Boost, Gtkmm, GLib), Perl, Shell Scripts, Assembly, Java, Python, Scheme
• IDE: Emacs with cedet, Eclipse-cdt, Vim
• Tool: Make, CVS, Bugzilla, DDD, Binutils (ld, nm, etc), Glade, Lex, Yacc, Cscope, Awk, Sed
Hardware Development
• Languages: SystemC, Verilog
• IDE: Xilinx Platform Studio, LogicWorks, ModelSim
• FPGA Board: Xilinx Virtex Multimedia Board
Computer Skills
• Server Administration: Linux server administration (Kernel optimization)
HONERS AND AWARDS
Student Award from Design Automation Conference (DAC), June 2008
Student Award from Design Automation Conference (DAC), June 2007
Three Years Graduate Fellowship from School of Information and Computer Science (ICS) at UCI, Sep. 2005
Best Professor Award granted by the Dean of the Educational Branch Officers R.O.K. Naval Academy, Dec. 2003
Ranked 6th at Entrance Exam for KAIST (Top 1 Percent out of 600 Entering Students), Mar. 1996
PUBLICATIONS
Journal Paper
• Yonghyun Hwang, Jihong Kim, and Eunkyung Seo, “Structure-Aware Web Transcoding for Mobile Devices”,
IEEE Internet Computing, vol. 7, no. 5, pp. 14-21, Sep./Oct. 2003
• Yonghyun Hwang, Lochi Yu, and Daniel Gajski, “Automatic Timed TLM generation for a Heterogeneous
MPSoC”, in process
Conference Paper
• Yonghyun Hwang, Gunar Schirner, Samar Abdi and Daniel Gajski, “Automatic Generation of Cycle-Approximate
TLMs with Integrated Timed RTOS Model”, in process
• Yonghyun Hwang, Samar Abdi and Daniel Gajski, “CREST: Cycle Approximate Retargettable Performance
Estimation at the Transaction Level”, Proc. DATE, Munich, German, March 2008
• Yonghyun Hwang, Eunkyung Seo and Jihong Kim, “WebAlchemist: A Structure-Aware Web Transcoding System
for Mobile Devices”, Proc. Mobile Search Workshop, Honolulu, Hawaii, May 2002
• Yonghyun Hwang, Changwoo Jung, Jihong Kim, Sungkwon Chung (Ubiquix), “WebAlchemist: A Web
Transcoding System for Mobile Web Access in Handheld Devices” Proc. Mobile Computing Data Management,
Denver, Colorado, August 2001
Technical Report
• Daniel D. Gajski, Samar Abdi, Gunar Schirner, Han-su Cho, Yonghyun Hwang, Lochi Yu, Ines Viskic, and Quoc-
Viet Dang, "Embedded System Environment (Front End) ESE Version 2.0 Evaluation Tutorial", TR 08-15,
4. December 12, 2008.
• Daniel D. Gajski, Samar Abdi, Gunar Schirner, Han-su Cho, Yonghyun Hwang, Lochi Yu, Ines Viskic, and Quoc-
Viet Dang, "User Manual for Embedded System Environment ESE Version 2.0.0", TR 08-14, December 12, 2008.
• Yonghyun Hwang, Hans Gunar Schirner, Samar Abdi, "Timed RTOS Models in Automatically Generated Cycle-
Approximate TLMs," TR 08-12, September 2008.
• Y. Hwang, J. Kim, and E. Seo, “Structure-Based Transcoding Heuristics for Mobile Devices”, tech report, School
of Computer Science and Eng., Seoul National Univ., 2002
Translation
• Yonghyun Hwang, Eunkyung Seo, (Co translated), “TCP/IP Primer Plus” YoungHan Corp., Sep 2002, authored
by Heather Osterloh, Que/Sams, September, 2001
PATENTS (submitted)
Korean 10-2001-0087639: Web-Page Converter and Method for Mobile Web Clients Considering Repeated
Grammatical Pattern
Korean 10-2000-0066610: Web-Page Converter and Method for Mobile Web Clients Using Semantic Database
Korean 10-2000-0055863: Development of Web-Page Converter for Mobile Web Clients Considering User Access
Pattern
EXTRACURRICULAR ACTIVITIES
Teacher Dec. 1996 – Feb. 1998
The Seongeun Life-Time Education Center, Daejeon, Korea
• Teach computer basics, such as excel, powerpoint, word processor and windows