Detectron: ํ›ˆ๋ จ์˜ ์ถœ๋ ฅ

์— ๋งŒ๋“  2018๋…„ 03์›” 08์ผ  ยท  4์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: facebookresearch/Detectron

{"accuracy_cls": 0.923639,
"์—ํƒ€": "1์ผ, 13:30:44",
"์ดํ„ฐ": 120000,
"์†์‹ค": 0.562384,
"loss_bbox": 0.107754,
"loss_cls": 0.243266,
"loss_rpn_bbox": 0.085141,
"loss_rpn_cls": 0.100456,
"lr": 0.010000,
"mb_qsize": 64,
"๋ฉค": 6407,
"์‹œ๊ฐ„": 0.562685}

Q1: "accuracy_cls", "mb_qsize", mem""์˜ ์˜๋ฏธ๋Š” ๋ฌด์—‡์ž…๋‹ˆ๊นŒ?
Q2: "loss_bbox": 0.107754 + "loss_cls": 0.243266 + "loss_cls": 0.243266 + "loss_rpn_bbox": 0.085141 + "loss_rpn_cls": 0.100436 = 17์ด ์•„๋‹™๋‹ˆ๋‹ค.

๊ฐ€์žฅ ์œ ์šฉํ•œ ๋Œ“๊ธ€

accuracy_cls ๋Š” ํ›ˆ๋ จ์—์„œ ๋ณผ ์ˆ˜ ์žˆ๋Š” RoI ๋ฏธ๋‹ˆ ๋ฐฐ์น˜์˜ ๋ถ„๋ฅ˜ ์ •ํ™•๋„์ž…๋‹ˆ๋‹ค. ์ด๊ฒƒ๋“ค์€ ๊ธฐ๋ณธ์ ์œผ๋กœ ๋ฐฐ๊ฒฝ:๋ฐฐ๊ฒฝ ์— ๋Œ€ํ•ด 1:3์œผ๋กœ ๊ท ํ˜•์„ ์ด๋ฃจ๋ฏ€๋กœ ๋„คํŠธ์›Œํฌ๊ฐ€ ๋ฐฐ๊ฒฝ์„ ์ถ”์ธกํ•˜๋Š” ๊ฒฝ์šฐ ์ •ํ™•๋„๋Š” 75%๊ฐ€ ๋ฉ๋‹ˆ๋‹ค(์ข‹์€ ์˜๋ฏธ๋Š” ์•„๋‹˜).

mb_qsize ๋Š” ๋ฐ์ดํ„ฐ ๋กœ๋”์˜ ์ถœ๋ ฅ ๋Œ€๊ธฐ์—ด ํฌ๊ธฐ์ž…๋‹ˆ๋‹ค. ์ด๊ฒƒ์€ ๋Œ€๋ถ€๋ถ„์˜ ๊ฒฝ์šฐ 64(์ „์ฒด)์— ๊ฐ€๊นŒ์›Œ์•ผ ํ•ฉ๋‹ˆ๋‹ค. 0์œผ๋กœ ๋–จ์–ด์ง€๋ฉด GPU๊ฐ€ ๋ฐ์ดํ„ฐ๋ฅผ ๊ธฐ๋‹ค๋ฆฌ๋ฉด์„œ ๋ฉˆ์ถฅ๋‹ˆ๋‹ค.

mem ๋Š” caffe2๊ฐ€ ์‚ฌ์šฉํ•˜๋Š” ๋‹จ์ผ GPU์˜ ์ตœ๋Œ€ GPU ๋ฉ”๋ชจ๋ฆฌ ์–‘์ž…๋‹ˆ๋‹ค(์ด ๊ฐ’์€ caffe2๊ฐ€ ์ถ”์ ํ•  ์ˆ˜ ์žˆ๋Š” ๋ฒ”์œ„(์˜ˆ: cudnn ์บ์‹œ ๋“ฑ) ์ด์™ธ์˜ ์ผ๋ถ€ GPU ๋ฉ”๋ชจ๋ฆฌ ์‚ฌ์šฉ๋Ÿ‰์„ ๋ฐ˜์˜ํ•˜์ง€ ์•Š์Œ).

ํ‘œ์‹œ๋œ ์ถœ๋ ฅ ๊ฐ’์„ ๋งค๋„๋Ÿฝ๊ฒŒ ํ•˜๊ธฐ ์œ„ํ•ด ๊ฐ ๊ธฐ๋ก๋œ ๊ฐ’์ด ๋ณ„๋„๋กœ ํ•„ํ„ฐ๋ง๋˜๊ธฐ ๋•Œ๋ฌธ์— ์†์‹ค์˜ ํ•ฉ๊ณ„๋Š” ์ด ์†์‹ค๊ณผ ๊ฐ™์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

๋ชจ๋“  4 ๋Œ“๊ธ€

accuracy_cls ๋Š” ํ›ˆ๋ จ์—์„œ ๋ณผ ์ˆ˜ ์žˆ๋Š” RoI ๋ฏธ๋‹ˆ ๋ฐฐ์น˜์˜ ๋ถ„๋ฅ˜ ์ •ํ™•๋„์ž…๋‹ˆ๋‹ค. ์ด๊ฒƒ๋“ค์€ ๊ธฐ๋ณธ์ ์œผ๋กœ ๋ฐฐ๊ฒฝ:๋ฐฐ๊ฒฝ ์— ๋Œ€ํ•ด 1:3์œผ๋กœ ๊ท ํ˜•์„ ์ด๋ฃจ๋ฏ€๋กœ ๋„คํŠธ์›Œํฌ๊ฐ€ ๋ฐฐ๊ฒฝ์„ ์ถ”์ธกํ•˜๋Š” ๊ฒฝ์šฐ ์ •ํ™•๋„๋Š” 75%๊ฐ€ ๋ฉ๋‹ˆ๋‹ค(์ข‹์€ ์˜๋ฏธ๋Š” ์•„๋‹˜).

mb_qsize ๋Š” ๋ฐ์ดํ„ฐ ๋กœ๋”์˜ ์ถœ๋ ฅ ๋Œ€๊ธฐ์—ด ํฌ๊ธฐ์ž…๋‹ˆ๋‹ค. ์ด๊ฒƒ์€ ๋Œ€๋ถ€๋ถ„์˜ ๊ฒฝ์šฐ 64(์ „์ฒด)์— ๊ฐ€๊นŒ์›Œ์•ผ ํ•ฉ๋‹ˆ๋‹ค. 0์œผ๋กœ ๋–จ์–ด์ง€๋ฉด GPU๊ฐ€ ๋ฐ์ดํ„ฐ๋ฅผ ๊ธฐ๋‹ค๋ฆฌ๋ฉด์„œ ๋ฉˆ์ถฅ๋‹ˆ๋‹ค.

mem ๋Š” caffe2๊ฐ€ ์‚ฌ์šฉํ•˜๋Š” ๋‹จ์ผ GPU์˜ ์ตœ๋Œ€ GPU ๋ฉ”๋ชจ๋ฆฌ ์–‘์ž…๋‹ˆ๋‹ค(์ด ๊ฐ’์€ caffe2๊ฐ€ ์ถ”์ ํ•  ์ˆ˜ ์žˆ๋Š” ๋ฒ”์œ„(์˜ˆ: cudnn ์บ์‹œ ๋“ฑ) ์ด์™ธ์˜ ์ผ๋ถ€ GPU ๋ฉ”๋ชจ๋ฆฌ ์‚ฌ์šฉ๋Ÿ‰์„ ๋ฐ˜์˜ํ•˜์ง€ ์•Š์Œ).

ํ‘œ์‹œ๋œ ์ถœ๋ ฅ ๊ฐ’์„ ๋งค๋„๋Ÿฝ๊ฒŒ ํ•˜๊ธฐ ์œ„ํ•ด ๊ฐ ๊ธฐ๋ก๋œ ๊ฐ’์ด ๋ณ„๋„๋กœ ํ•„ํ„ฐ๋ง๋˜๊ธฐ ๋•Œ๋ฌธ์— ์†์‹ค์˜ ํ•ฉ๊ณ„๋Š” ์ด ์†์‹ค๊ณผ ๊ฐ™์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

๋Œ€๋‹จํ•ด!

์„ค๋ช…์ด ํ•„์š”ํ•œ๊ฐ€์š”? ์•„๋‹ˆ๋ฉด ์ด๋ ‡๊ฒŒ ๋นจ๋ฆฌ ์ž๋ผ๋Š” ๊ฒŒ ์ •์ƒ์ธ๊ฐ€์š”?

json_stats: {"accuracy_cls": 0.351562, "eta": "121์ผ, 0:34:07", "iter": 0, "์†์‹ค": 6.128010, "loss_bbox": 0.007976, "loss_cls": 3.5 "0.000000"loss_rpn_bbox_fpn3 "0.000000"loss_rpn_bbox_fpn4 "0.000000"loss_rpn_bbox_fpn5 "0.063088"loss_rpn_bbox_fpn6 "0.000000"loss_rpn_cls_fpn2 "2.373329"loss_rpn_cls_fpn3 "0.110721"loss_rpn_cls_fpn4 "0.032310"loss_rpn_cls_fpn5 " 0.005202, "loss_rpn_cls_fpn6": 0.000000, "lr": 0.000333, "mb_qsize": 64, "๋ฉ”๋ชจ๋ฆฌ": 2965, "์‹œ๊ฐ„": 174.274131}

I0409 23:48:21.545917 14708 context_gpu.cu:305] GPU 0: 3037MB

I0409 23:48:21.586969 14708 context_gpu.cu:309] ์ด๊ณ„: 3037MB

I0409 23:48:23.049207 14711 context_gpu.cu:305] GPU 0: 3169MB

I0409 23:48:23.049262 14711 context_gpu.cu:309] ์ด๊ณ„: 3169MB

"_json_stats: {"accuracy_cls": 0.972342, "eta": "7์ผ, 4:53:41", "iter": 20, "์†์‹ค": 16.139348, "loss_bbox": 0.6669521, "loss_cls": 11.11. "0.000000"loss_rpn_bbox_fpn3 "0.000000"loss_rpn_bbox_fpn4 "0.000000"loss_rpn_bbox_fpn5 "0.074818"loss_rpn_bbox_fpn6 "0.000000"loss_rpn_cls_fpn2 "0.000000"loss_rpn_cls_fpn3 "0.000000"loss_rpn_cls_fpn4 "0.000000"loss_rpn_cls_fpn5 " 0.052323, "loss_rpn_cls_fpn6": 0.000000, "lr": 0.000360, "mb_qsize": 64, "๋ฉ”๋ชจ๋ฆฌ": 3254, "์‹œ๊ฐ„": 10.377150}`

@RafaRuiz ์ €๋„ ๊ฐ™์€ ๊ฒฐ๊ณผ๊ฐ€ ๋‚˜์˜ค๋„ค์š”...

์™œ ์ด๋ ‡๊ฒŒ ๋นจ๋ฆฌ ์ž๋ผ๋Š”์ง€ ์•Œ์•„๋ƒˆ๋‚˜์š”?

์ด ํŽ˜์ด์ง€๊ฐ€ ๋„์›€์ด ๋˜์—ˆ๋‚˜์š”?
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