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2025 DKU Semiconductor Software Practices

๊ตฌ์กฐ

  • lab1/: FTL ์‹œ๋ฎฌ๋ ˆ์ดํ„ฐ ๊ตฌํ˜„ ๊ณผ์ œ
  • lab2/: OpenSSD ์• ๋ฎฌ๋ ˆ์ด์…˜ ํ™˜๊ฒฝ์—์„œ GreedyFTL ๊ฐœ์„ 

์š”๊ตฌ ํ™˜๊ฒฝ

  • Ubuntu 22.04
  • gcc 11.4
  • make 4.3
sudo apt update && sudo apt install -y build-essential

Lab1

  • ์‹คํ–‰ ๋ฐฉ๋ฒ•
cd lab1
make           # ftl_sim ๋นŒ๋“œ
./myftl        # ์‹คํ–‰
make clean     # ์ •๋ฆฌ
  • ์ฝ”๋“œ ๊ตฌ์กฐ
lab1/
โ”œโ”€ workload/         # ์›Œํฌ๋กœ๋“œ ํŒŒ์ผ
โ”œโ”€ Makefile
โ”œโ”€ test.h
โ”œโ”€ test.c            # ํ…Œ์ŠคํŠธ ์ฝ”๋“œ
โ”œโ”€ myftl.h           # ์‹œ๋ฎฌ ํŒŒ๋ผ๋ฏธํ„ฐ/์ž๋ฃŒ๊ตฌ์กฐ, FTL API ์„ ์–ธ
โ””โ”€ myftl.c           # FTL ๊ตฌํ˜„(๋งคํ•‘/ํ• ๋‹น/GC)

Lab2

  • ์‹คํ–‰ ๋ฐฉ๋ฒ•
cd lab2
make           # cosmos_sim ๋นŒ๋“œ
./cosmos_sim   # ๊ธฐ๋ณธ ์‹คํ–‰
# ์ •๋ฆฌ: make clean
  • ์‹คํ–‰ ์ธ์ž(์š”์•ฝ)
    • -n, --nworkers <N>: ์›Œ์ปค ์ˆ˜ ์„ค์ •(์ตœ๋Œ€ 10). ํ•„์ˆ˜ ๋จผ์ € ์ง€์ •
    • -w, --worker "<pattern> <read%> <write%> <nblks>": ์›Œ์ปค๋ณ„ ํŒจํ„ด/๋น„์œจ/๋ธ”๋ก์ˆ˜(์—ฌ๋Ÿฌ ๋ฒˆ ์ง€์ • ๊ฐ€๋Šฅ). read%+write%=100
    • -s, --size "p1 p2 ...": ๊ฐ ์›Œ์ปค ํŒŒํ‹ฐ์…˜ ๋น„์œจ(%) ๋ชฉ๋ก. ๋ฏธ์ง€์ • ์‹œ ๊ท ๋“ฑ ๋ถ„๋ฐฐ
    • -i, --inst <N>: ์ด ์ž‘์—… ์ˆ˜(operations)
    • -c, --condition: ์‚ฌ์ „ ์กฐ๊ฑดํ™”(preconditioning) ์ˆ˜ํ–‰
    • -r, --report: ๋กœ๊ทธ ํŒŒ์ผ ์ถœ๋ ฅ ํ™œ์„ฑํ™”
    • -o, --outputdir <DIR>: ๋กœ๊ทธ ์ถœ๋ ฅ ๋””๋ ‰ํ† ๋ฆฌ(๊ธฐ๋ณธ .). lat.csv, perf.csv ์ƒ์„ฑ
    • ์˜ˆ์‹œ
./cosmos_sim -n 2 \
  -w "0 70 30 4096" -w "1 50 50 4096" \
  -s "60 40" -i 100000 -c -r -o ./out

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