Distributed Computing

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Automatic Multi-GPU Code Generation applied to Simulation of Electrical   Machines

Automatic Multi-GPU Code Generation applied to Simulation of Electrical Machines

: 1. ์—ฐ๊ตฌ ๋ฐฐ๊ฒฝ ๋ฐ ๋ชฉ์  ๋ณธ ๋…ผ๋ฌธ์€ ๋ณ‘๋ ฌ ํ”„๋กœ๊ทธ๋ž˜๋ฐ์˜ ์–ด๋ ค์›€์„ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด, OpenCL ๊ธฐ๋ฐ˜์˜ ํ˜ผ์„ฑ ์•„ํ‚คํ…์ฒ˜(CPU + GPU)์šฉ ์ฝ”๋“œ ์ƒ์„ฑ ๋ฐฉ๋ฒ•๋ก ์„ ์ œ์•ˆํ•ฉ๋‹ˆ๋‹ค. ํŠนํžˆ, MDE์™€ MARTE ํ”„๋กœํŒŒ์ผ์„ ํ™œ์šฉํ•˜์—ฌ ๋ณ‘๋ ฌ ํ”„๋กœ๊ทธ๋ž˜๋ฐ์— ์ต์ˆ™ํ•˜์ง€ ์•Š์€ ์‚ฌ๋žŒ๋“ค๋„ ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์„ ์‰ฝ๊ฒŒ ๊ตฌํ˜„ํ•  ์ˆ˜ ์žˆ๋„๋ก ์ง€์›ํ•˜๋Š” ๊ฒƒ์ด ์ฃผ์š” ๋ชฉํ‘œ์ž…๋‹ˆ๋‹ค. 2. ๊ธฐ์ˆ ์  ๋ฐฐ๊ฒฝ OpenCL : Khronos ๊ทธ๋ฃน์—์„œ ๊ฐœ๋ฐœํ•œ ๋ณ‘๋ ฌ ์ปดํ“จํŒ… ํ‘œ์ค€์œผ๋กœ, ๋‹ค์–‘ํ•œ ํ•˜๋“œ์›จ์–ด ์•„ํ‚คํ…์ฒ˜๋ฅผ ์ง€์›ํ•ฉ๋‹ˆ๋‹ค. MDE์™€ MARTE ํ”„๋กœํŒŒ์ผ : MDE๋Š” ํ”„๋กœ๊ทธ๋žจ ์‚ฌ์–‘์„ ์ถ”์ƒํ™”ํ•˜๊ณ  ์ž๋™ํ™”๋ฅผ ํ–ฅ์ƒ์‹œ

Distributed Computing Computer Science
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LISA (Localhost Information Service Agent)

LISA๋Š” MonALISA ํ”„๋กœ์ ํŠธ์—์„œ ๊ฐœ๋ฐœ๋œ ๋ชจ๋‹ˆํ„ฐ๋ง ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์œผ๋กœ์„œ, ๋‹ค์–‘ํ•œ ๋ถ„์‚ฐ ์‹œ์Šคํ…œ ํ™˜๊ฒฝ์—์„œ ๋กœ์ปฌ ์Šคํ…Œ์ด์…˜์˜ ์ƒํƒœ๋ฅผ ๋ชจ๋‹ˆํ„ฐ๋งํ•˜๊ณ  ์ด๋ฅผ ํ†ตํ•ด ๋‹ค๋ฅธ ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์˜ ์„ฑ๋Šฅ ์ตœ์ ํ™”์— ๊ธฐ์—ฌํ•ฉ๋‹ˆ๋‹ค. ์ด ๋…ผ๋ฌธ์€ LISA์˜ ๊ตฌ์กฐ์™€ ์ฃผ์š” ํŠน์ง•์„ ์ƒ์„ธํžˆ ์„ค๋ช…ํ•˜๋ฉฐ, ํŠนํžˆ ๊ทธ ์œ ์—ฐ์„ฑ๊ณผ ํ™•์žฅ ๊ฐ€๋Šฅ์„ฑ, ๊ทธ๋ฆฌ๊ณ  ๋†’์€ ํ†ต์‹  ์„ฑ๋Šฅ์„ ๊ฐ•์กฐํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. 1. LISA ํ”„๋ ˆ์ž„์›Œํฌ LISA๋Š” ์šด์˜ ์ฒด์ œ ํ”Œ๋žซํผ์— ๋…๋ฆฝ์ ์œผ๋กœ ์ž‘๋™ํ•˜๋„๋ก ์„ค๊ณ„๋˜์–ด ์žˆ์œผ๋ฉฐ, Java์™€ C ์–ธ์–ด๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๊ฐœ๋ฐœ๋˜์—ˆ์Šต๋‹ˆ๋‹ค. ์ด๋ฅผ ํ†ตํ•ด Linux, Windows ๋ฐ MacOS์—์„œ ์‹คํ–‰ ๊ฐ€

Distributed Computing Computer Science
AI-Driven Cloud Resource Optimization for Multi-Cluster Environments

AI-Driven Cloud Resource Optimization for Multi-Cluster Environments

์ด ๋…ผ๋ฌธ์ด ๋‹ค๋ฃจ๋Š” ๋ฌธ์ œ๋Š” ๋‹ค์ค‘ ํด๋Ÿฌ์Šคํ„ฐ ํ™˜๊ฒฝ์—์„œ ๋ฐœ์ƒํ•˜๋Š” ์ „ํ†ต์ ์ธ ์ž์› ๊ด€๋ฆฌ์˜ ํ•œ๊ณ„์ด๋‹ค. ํ˜„์žฌ ๋Œ€๋ถ€๋ถ„์˜ ํด๋ผ์šฐ๋“œ ์šด์˜์ž๋Š” ๊ฐ ํด๋Ÿฌ์Šคํ„ฐ๋ฅผ ๋…๋ฆฝ์ ์ธ ๊ด€๋ฆฌ ๋‹จ์œ„๋กœ ๋ณด๊ณ , ์Šค์ผ€์ผ๋ง์ด๋‚˜ ๋ฆฌ์†Œ์Šค ์žฌ๋ฐฐ์น˜๋ฅผ ์›Œํฌ๋กœ๋“œ ๋ณ€ํ™”์— ๋”ฐ๋ผ ์ฆ‰๊ฐ์ ์œผ๋กœ ๋ฐ˜์‘ํ•˜๋Š” ๋ฐฉ์‹์œผ๋กœ ์ˆ˜ํ–‰ํ•œ๋‹ค. ์ด๋Ÿฌํ•œ ํด๋Ÿฌ์Šคํ„ฐโ€‘์ค‘์‹ฌ์  ์ ‘๊ทผ์€ ์ „์—ญ์ ์ธ ์‹œ์•ผ๋ฅผ ๊ฒฐ์—ฌํ•˜๊ฒŒ ๋งŒ๋“ค๋ฉฐ, ํŠนํžˆ ์ง€๋ฆฌ์ ์œผ๋กœ ๋ถ„์‚ฐ๋œ ๋ฐ์ดํ„ฐ์„ผํ„ฐ ๊ฐ„์— ๋ถ€ํ•˜๊ฐ€ ๋ถˆ๊ท ํ˜•ํ•˜๊ฒŒ ์ „ํŒŒ๋  ๊ฒฝ์šฐ ์ „์ฒด ์‹œ์Šคํ…œ์˜ ๋น„์šฉ ํšจ์œจ์„ฑ๊ณผ ์„œ๋น„์Šค ์ˆ˜์ค€์ด ํฌ๊ฒŒ ์ €ํ•˜๋œ๋‹ค. ๋…ผ๋ฌธ์€ ์ด๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด ์„ธ ๊ฐ€์ง€ ํ•ต์‹ฌ ์š”์†Œ๋ฅผ ๊ฒฐํ•ฉํ•œ AIโ€‘๊ธฐ๋ฐ˜ ํ”„๋ ˆ์ž„์›Œํฌ๋ฅผ ์ œ์‹œํ•œ๋‹ค.

Computer Science Distributed Computing
Biologically Inspired Process Calculi, Petri Nets and Membrane Computing

Biologically Inspired Process Calculi, Petri Nets and Membrane Computing

: ์ด ์ฑ…์€ ๋ง‰ ๊ตฌ์กฐ ์ปดํ“จํŒ…(Membrane Computing) ๋ฐ ์ƒ๋ฌผํ•™์ ์œผ๋กœ ์˜๊ฐ์„ ๋ฐ›์€ ํ”„๋กœ์„ธ์Šค ๊ณ„์‚ฐ(Biologically Inspired Process Calculus) ๋ถ„์•ผ์—์„œ ์ค‘์š”ํ•œ ์—ฐ๊ตฌ ์„ฑ๊ณผ๋“ค์„ ๋ชจ์•„๋†“์€ ๊ธฐ๋ก์ž…๋‹ˆ๋‹ค. ํŠนํžˆ, ํŽ˜ํŠธ๋ฆฌ ๋„คํŠธ(Petri Net)๋ฅผ ํ™œ์šฉํ•œ ์—ฐ๊ตฌ๊ฐ€ ๊ฐ•์กฐ๋˜์–ด ์žˆ์–ด ์ด ์„ธ ๊ฐ€์ง€ ์ฃผ์ œ ์‚ฌ์ด์˜ ์ƒํ˜ธ์ž‘์šฉ์„ ์ž˜ ๋ณด์—ฌ์ฃผ๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. ๋ง‰ ๊ตฌ์กฐ ์ปดํ“จํŒ…์€ ์ƒ๋ฌผํ•™์  ์‹œ์Šคํ…œ์—์„œ ์˜๊ฐ์„ ๋ฐ›์•„ ๊ฐœ๋ฐœ๋œ ๊ณ„์‚ฐ ๋ชจ๋ธ๋กœ, ํŠนํžˆ ์„ธํฌ ๋‚ด์—์„œ ๋ฐœ์ƒํ•˜๋Š” ๋ณต์žกํ•œ ํ™”ํ•™ ๋ฐ˜์‘๊ณผ ์ •๋ณด ํ๋ฆ„์„ ๋ชจ๋ธ๋งํ•˜๋Š”๋ฐ ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค. ์ด ๋ถ„์•ผ๋Š” ์ž๋™ํ™”, ํ˜•

Formal Languages Distributed Computing Computer Science
Petri Nets and Bio-Modelling - and how to benefit from their synergy

Petri Nets and Bio-Modelling - and how to benefit from their synergy

: ๋ณธ ๋…ผ๋ฌธ์€ ํŽ˜ํŠธ๋ฆฌ๋„ท๊ณผ ์ƒ๋ฌผํ•™์  ์‹œ์Šคํ…œ ๊ฐ„์˜ ์ƒํ˜ธ์ž‘์šฉ์„ ํ†ตํ•ด ์–ป์„ ์ˆ˜ ์žˆ๋Š” ์ด์ ์„ ํƒ๊ตฌํ•ฉ๋‹ˆ๋‹ค. ํŽ˜ํŠธ๋ฆฌ๋„ท์€ ๋™์‹œ์„ฑ๊ณผ ๋ถ„์‚ฐ ๊ณ„์‚ฐ์„ ์œ„ํ•œ ๊ฐ•๋ ฅํ•œ ๋„๊ตฌ๋กœ, ํ–‰๋™ ํŠน์„ฑ์„ ๋ถ„์„ํ•˜๊ณ  ๊ฒ€์ฆํ•˜๋Š” ๋ฐ ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค. ์ƒ๋ฌผํ•™์  ๊ณผ์ •์„ ์ดํ•ดํ•˜๊ธฐ ์œ„ํ•ด ์ œ์•ˆ๋œ ๋ง‰ ์‹œ์Šคํ…œ๊ณผ ๋ฐ˜์‘ ์‹œ์Šคํ…œ์€ ์„ธํฌ ๋‚ด ํ™”ํ•™ ๋ฐ˜์‘์„ ์ถ”์ƒํ™”ํ•œ ๋ชจ๋ธ์ž…๋‹ˆ๋‹ค. ํŽ˜ํŠธ๋ฆฌ๋„ท์˜ ์›์ธ๊ณผ ๋™์‹œ์„ฑ ์˜๋ฏธ๋ก ์— ๋Œ€ํ•œ ์ดํ•ด๋Š” ํŽ˜ํŠธ๋ฆฌ๋„ท์ด ์–ด๋–ป๊ฒŒ ์ƒ๋ฌผํ•™์  ๊ณผ์ •์„ ์ •ํ™•ํžˆ ๋ชจ๋ธ๋งํ•  ์ˆ˜ ์žˆ๋Š”์ง€ ์„ค๋ช…ํ•˜๋Š” ๋ฐ ์ค‘์š”ํ•ฉ๋‹ˆ๋‹ค. ๋ง‰ ์‹œ์Šคํ…œ์€ ์„ธํฌ ๋‚ด ํ™”ํ•™ ๋ฐ˜์‘์—์„œ ์˜๊ฐ์„ ๋ฐ›์•„ ๊ฐœ๋ฐœ๋˜์—ˆ์œผ๋ฉฐ, ์ด๋Š” ํŽ˜ํŠธ๋ฆฌ๋„ท๊ณผ ์œ ์‚ฌํ•œ ๋‹ค์ค‘ ์ง‘ํ•ฉ ์žฌ๊ตฌ

Formal Languages Distributed Computing Model Computer Science
Reversibility in Massive Concurrent Systems

Reversibility in Massive Concurrent Systems

: ๋ณธ ๋…ผ๋ฌธ์€ ๋Œ€๊ทœ๋ชจ ๋ณ‘๋ ฌ ์‹œ์Šคํ…œ์—์„œ ์—ญ์ „ ๊ฐ€๋Šฅ์„ฑ์˜ ๊ฐœ๋…๊ณผ ๊ทธ ์ ์šฉ ๋ฒ”์œ„๋ฅผ ํƒ๊ตฌํ•˜๊ณ  ์žˆ๋‹ค. ์—ญ์ „ ๊ฐ€๋Šฅ์„ฑ์€ ์ž…๋ ฅ ๋ฐ์ดํ„ฐ๊ฐ€ ์ˆœ์ฐจ์ ์œผ๋กœ ์ฒ˜๋ฆฌ๋˜๋ฉด์„œ, ์ฒซ ๋ฒˆ์งธ ์ž…๋ ฅ์ด ๋‘ ๋ฒˆ์งธ ์ž…๋ ฅ ์—†์ด๋„ ๋ฐฉ์ถœ๋˜์–ด ๋‹ค๋ฅธ ์—ฐ์‚ฐ์ž์— ์˜ํ•ด ์‚ฌ์šฉ๋  ์ˆ˜ ์žˆ๋Š” ๋Šฅ๋ ฅ์„ ์˜๋ฏธํ•œ๋‹ค. ์ด๋Š” ๋ณ‘๋ ฌ ์‹œ์Šคํ…œ์—์„œ ํšจ์œจ์ ์ธ ๋ฐ์ดํ„ฐ ์ฒ˜๋ฆฌ์™€ ํ”„๋กœ์„ธ์‹ฑ์„ ๊ฐ€๋Šฅํ•˜๊ฒŒ ํ•˜๋Š” ์ค‘์š”ํ•œ ํŠน์„ฑ์ด๋‹ค. ๋…ผ๋ฌธ์€ ์—ญ์ „ ๊ฐ€๋Šฅ์„ฑ์˜ ๊ตฌ์กฐ๋ฅผ ๋ถ„์„ํ•˜๋ฉด์„œ, ํŠนํžˆ ์ผ๊ด€์„ฑ ์ œ์•ฝ ์กฐ๊ฑด ํ•˜์—์„œ ๋‹ค์ค‘์„ฑ์ด ์ œ๊ฑฐ๋œ ์—ญ์ „ ๊ฐ€๋Šฅํ•œ ๊ตฌ์กฐ์— ์ดˆ์ ์„ ๋งž์ถ”๊ณ  ์žˆ๋‹ค. ์ด๋Š” ๋ณ‘๋ ฌ ์‹œ์Šคํ…œ ๋‚ด์—์„œ ๋ฐ์ดํ„ฐ ์ฒ˜๋ฆฌ ๊ณผ์ •์ด ์ผ๊ด€์„ฑ์„ ์œ ์ง€ํ•˜๋„๋ก ํ•˜๋Š” ์ค‘์š”ํ•œ

Formal Languages Distributed Computing Computer Science System

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