Gem5 gpu DRAMSim2 - leeyoungseo/- GitHub Wiki

GEM5-GPU + DRAMSIM2 INSTALLATION

Gem5-gpu ๊ณต์‹ gihtub
์œ„์˜ ์ž๋ฃŒ์—์„œ gem5-gpu ์ตœ์‹  ์ •๋ณด๋ฅผ ํ™•์ธํ•  ์ˆ˜ ์žˆ์Œ

1. Install gem5-gpu

Gem5-gpu Install
์œ„์˜ gem5-gpu ๊ณต์‹ ๋งํฌ์—์„œ gem5-gpu๋ฅผ ์„ค์น˜ํ•  ์ˆ˜ ์žˆ์Œ

2. Integration with DRAMSim2

gem5-gpu/gem5/ext/dramsim2/DRAMSim2 ํด๋”์— DRAMSim2๋ฅผ ๋„ฃ๊ณ  ์ปดํŒŒ์ผ

HBM์„ ๋ฐ˜์˜ํ•˜๊ฑฐ๋‚˜ ์ˆ˜์ •๋œ DRAMSim2๋ฅผ ํ†ตํ•ฉํ•  ๋•Œ์—๋Š” gem5-gpu/gem5/ext/dramsim2 ๊ฒฝ๋กœ์— SConscript ํŒŒ์ผ๋„ ์ˆ˜์ •ํ•ด์•ผ ํ•จ์— ์ฃผ์˜

3. Exploiting DRAMSim2

For CPU
shell script ํŒŒ์ผ์— ์•„๋ž˜์™€ ๊ฐ™์€ ์˜ต์…˜ ์ถ”๊ฐ€
--mem-type=DRAMSim2

For GPU
vi gem5-gpu/gem5-gpu/configs/gpu_protocol/VI_hammer_split.py

 303                 MemConfig.get("DRAMSim2"), system.gpu.gpu_memory_range,
 304                 i, options.num_dev_dirs, int(math.log(options.num_dev_dirs, 2)),
 305                 options.cacheline_size)

dev_mem_ctrl์ด gem5-gpu์—์„œ GPU๋งŒ์„ ๋‹ด๋‹นํ•˜๋Š” memory controller์ด๋ฏ€๋กœ ์ด๋ฅผ DRAMSim2๋กœ ๋ณ€๊ฒฝํ•ด์ฃผ๋ฉด ๋จ
์œ„์™€ ๊ฐ™์ด ์ˆ˜์ •ํ•˜๊ณ  ์ปดํŒŒ์ผ ํ•˜๋ฉด shell script ์ˆ˜์ • ์—†์ด ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Œ
CPU์™€ GPU๋ฅผ ๋™์‹œ์— DRAMSim2๋กœ ํ™œ์šฉํ•˜๊ธฐ ์œ„ํ•ด์„œ๋Š” ๋ณ„๋„์˜ ์ˆ˜์ •์ด ํ•„์š”ํ•ด ๋ณด์ž„ (๋ถˆ๊ฐ€๋Šฅ)

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