Tensorflow: Tensorflow๊ฐ€ cifar10 ์˜ˆ์ œ์—์„œ GPU์— ์ž‘์—…์„ ํ• ๋‹นํ•˜์ง€ ์•Š์Œ

์— ๋งŒ๋“  2015๋…„ 11์›” 20์ผ  ยท  3์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: tensorflow/tensorflow

์žฅ์น˜ ๋ฐฐ์น˜ ๋กœ๊น…์ด ์ผœ์ง„ ์ƒํƒœ์—์„œ cifar10_multi_gpu_train.py ์Šคํฌ๋ฆฝํŠธ๋ฅผ ์‹คํ–‰ ์ค‘์ด๋ฉฐ ๋ชจ๋“  ์ž‘์—…์ด CPU์— ๋ฐฐ์น˜๋˜๊ณ  ์žˆ์Œ์„ ์•Œ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์‹คํ–‰ํ•˜๋ฉด ๋‹ค์Œ๊ณผ ๊ฐ™์ด ์ถœ๋ ฅ๋ฉ๋‹ˆ๋‹ค.

Filling queue with 20000 CIFAR images before starting to train. This will take a few minutes.
I tensorflow/core/common_runtime/local_device.cc:25] Local device intra op parallelism threads: 8
I tensorflow/core/common_runtime/direct_session.cc:45] Direct session inter op parallelism threads: 8
Device mapping: no known devices.
I tensorflow/core/common_runtime/direct_session.cc:111] Device mapping:

softmax_linear/biases/ExponentialMovingAverage: /job:localhost/replica:0/task:0/cpu:0
I tensorflow/core/common_runtime/simple_placer.cc:289] softmax_linear/biases/ExponentialMovingAverage: /job:localhost/replica:0/task:0/cpu:0
.....
.....

Device mapping: no known devices. ํ–‰์ด ํ˜„์žฌ ์„ธ์…˜๊ณผ ์—ฐ๊ฒฐ๋œ ์žฅ์น˜๋ฅผ ๋‚˜์—ดํ•ด์•ผ ํ•œ๋‹ค๊ณ  ์ƒ๊ฐํ•˜์ง€๋งŒ ์žฅ์น˜๊ฐ€ ์—†๋Š” ์ด์œ ๋Š” ๋ฌด์—‡์ž…๋‹ˆ๊นŒ? ์Šคํฌ๋ฆฝํŠธ ํ˜ธ์ถœ
tf.device('/gpu:0') .

๋‚ด GPU๋Š” Nvidia GeForce GTX 970์ž…๋‹ˆ๋‹ค.

๊ฐ€์žฅ ์œ ์šฉํ•œ ๋Œ“๊ธ€

์ด ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ–ˆ์Šต๋‹ˆ๋‹ค.

์‹ค์ˆ˜๋กœ "--config=cuda" ํ”Œ๋ž˜๊ทธ ์—†์ด python ํŒจํ‚ค์ง€๋ฅผ ๋นŒ๋“œํ–ˆ์„ ๊ฒƒ์ž…๋‹ˆ๋‹ค. ์ด ํ”Œ๋ž˜๊ทธ๋กœ ๋‹ค์‹œ ๋นŒ๋“œํ•œ ๋‹ค์Œ pip๊ฐ€ tensorflow๋ฅผ ์ œ๊ฑฐํ•œ ๋‹ค์Œ ์ƒˆ๋กœ ๋นŒ๋“œ๋œ ํŒจํ‚ค์ง€๋กœ ๋‹ค์‹œ ์„ค์น˜ํ•˜๋ฉด ์™„๋ฒฝํ•˜๊ฒŒ ์ž‘๋™ํ–ˆ์Šต๋‹ˆ๋‹ค.

๋ชจ๋“  3 ๋Œ“๊ธ€

์ด ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ–ˆ์Šต๋‹ˆ๋‹ค.

์‹ค์ˆ˜๋กœ "--config=cuda" ํ”Œ๋ž˜๊ทธ ์—†์ด python ํŒจํ‚ค์ง€๋ฅผ ๋นŒ๋“œํ–ˆ์„ ๊ฒƒ์ž…๋‹ˆ๋‹ค. ์ด ํ”Œ๋ž˜๊ทธ๋กœ ๋‹ค์‹œ ๋นŒ๋“œํ•œ ๋‹ค์Œ pip๊ฐ€ tensorflow๋ฅผ ์ œ๊ฑฐํ•œ ๋‹ค์Œ ์ƒˆ๋กœ ๋นŒ๋“œ๋œ ํŒจํ‚ค์ง€๋กœ ๋‹ค์‹œ ์„ค์น˜ํ•˜๋ฉด ์™„๋ฒฝํ•˜๊ฒŒ ์ž‘๋™ํ–ˆ์Šต๋‹ˆ๋‹ค.

์žฅ์น˜ ๋ฐฐ์น˜ ๋กœ๊น…์ด ์ผœ์ง„ ์ƒํƒœ์—์„œ cifar10_multi_gpu_train.py ์Šคํฌ๋ฆฝํŠธ๋ฅผ ์‹คํ–‰ํ•  ๋•Œ๋„ ๋™์ผํ•œ ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ–ˆ์Šต๋‹ˆ๋‹ค. "--config=cuda" ํ”Œ๋ž˜๊ทธ ์—†์ด ์‹ค์ˆ˜๋กœ python ํŒจํ‚ค์ง€๋ฅผ ๋นŒ๋“œํ–ˆ์Œ์— ํ‹€๋ฆผ์—†๋‹ค"๊ณ  ๋งํ•  ๋•Œ ๋ฌด์Šจ ๋œป์ธ์ง€ ๋ชจ๋ฅด๊ฒ ์Šต๋‹ˆ๋‹ค. ์–ด๋–ค python ํŒจํ‚ค์ง€๋ฅผ ๋‹ค์‹œ ๋นŒ๋“œํ–ˆ๋Š”์ง€ ์•Œ ์ˆ˜ ์žˆ์Šต๋‹ˆ๊นŒ?

@GuangmingZhu , TensorFlow ๋‹ค์šด๋กœ๋“œ ๋ฐ ์„ค์ • ํŽ˜์ด์ง€ ์—์„œ pip ํŒจํ‚ค์ง€๋ฅผ ๋นŒ๋“œํ•˜๋Š” ๋ช…๋ น์€ ๋‹ค์Œ๊ณผ ๊ฐ™์•„์•ผ ํ•ฉ๋‹ˆ๋‹ค.

bazel build -c opt --config=cuda //tensorflow/tools/pip_package:build_pip_package

๋ฐฉ๊ธˆ --config=cuda ์„(๋ฅผ) ์žŠ์–ด๋ฒ„๋ ธ์Šต๋‹ˆ๋‹ค.

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