Numpy: ndarray ๋คํ”„ ํ•จ์ˆ˜ (๋ฐ ์ง์„  cPickle)๊ฐ€ ๋Œ€ํ˜• ์–ด๋ ˆ์ด์— ๋Œ€ํ•ด ์‹คํŒจ ํ•จ (Trac # 1803)

์— ๋งŒ๋“  2012๋…„ 10์›” 20์ผ  ยท  8์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: numpy/numpy

_2011-04-19 trac ์‚ฌ์šฉ์ž meawoppl์˜ ์›๋ณธ ํ‹ฐ์ผ“ http://projects.scipy.org/numpy/ticket/1803 , unknown์— ํ• ๋‹น ๋จ _

a = 0 ((300000, 1000))
f = open ( "test.pkl", "w")

cPickle.dump (a, f)

SystemError Traceback (๊ฐ€์žฅ ์ตœ๊ทผ ํ˜ธ์ถœ ๋งˆ์ง€๋ง‰)

/ home / kddcup / code / matt / svd-projection / take5 /์—()

SystemError : ์˜ˆ์™ธ ์„ค์ •์—†์ด ์˜ค๋ฅ˜ ๋ฐ˜ํ™˜

๋˜๋Š” .dump ํ•จ์ˆ˜ ์‚ฌ์šฉ :

a.dump ( "test.pkl")

SystemError Traceback (๊ฐ€์žฅ ์ตœ๊ทผ ํ˜ธ์ถœ ๋งˆ์ง€๋ง‰)

/ home / kddcup / code / matt / svd-projection / take5 /์—()

SystemError : PyObject_Call์— ์˜ค๋ฅ˜๊ฐ€์—†๋Š” NULL ๊ฒฐ๊ณผ

์ด๊ฒƒ์ด numpy์ธ์ง€ Pickle / cPickle ๊ฒฐํ•จ์ธ์ง€ ํ™•์‹คํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ๋‘ ๊ฒฝ์šฐ ๋ชจ๋‘๋ณด๋‹ค ์œ ์ตํ•œ ์˜ค๋ฅ˜ ๋ฉ”์‹œ์ง€๊ฐ€ ๋„์›€์ด ๋  ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๋ฌธ์ œ๋Š” 2 ** (32-1) ๋ฐ”์ดํŠธ๋ณด๋‹ค ํฐ ๋ฐฐ์—ด์—์„œ๋งŒ ๋ฐœ์ƒํ•œ๋‹ค๊ณ  ์ƒ๊ฐํ•˜์ง€๋งŒ ํ™•์‹คํ•˜๊ฒŒํ•˜๋ ค๋ฉด ๋” ๋งŽ์€ ์‹คํ—˜์„ํ•ด์•ผํ•ฉ๋‹ˆ๋‹ค.

00 - Bug Other

๋ชจ๋“  8 ๋Œ“๊ธ€

๋‚˜๋Š” ๋˜ํ•œ์ด ๋ฌธ์ œ์— ์ง๋ฉดํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

: ํŒŒ์ด์ฌ์—์„œ ์ˆ˜์ •์ด์žˆ์„ ๊ฒฝ์šฐ @zhlsk ์ถ”๊ฐ€ํ•˜๊ฑฐ๋‚˜ ์กฐ์‚ฌํ•˜์ง€ ์•Š์•˜๋‹ค,ํ•˜์ง€๋งŒ ๋‚œ์ด ์ดํ›„ NumPy์™€ํ•˜์ง€๋งŒ ํŒŒ์ด์ฌ์˜ ๋ฌธ์ œ๊ฐ€ ์•„๋‹ˆ๋ผ๊ณ  ์ƒ๊ฐ cPickle.dump(a.tostring(), f) ๋„ ๊ทธ๋ƒฅ ๋˜‘๊ฐ™์ด ๋‚˜์™€ ๊ทธ๊ฒŒ ์ „๋ถ€์— ๋Œ€ํ•œ ํฐ ์‹คํŒจ ๋ฌธ์ž์—ด์€ numpy์™€ ๊ด€๋ จ์ด ์—†์Šต๋‹ˆ๋‹ค. numpy ์ €์žฅ ๊ธฐ๋Šฅ์„ ์‚ฌ์šฉํ•˜๋ฉด ์ด๋Ÿฌํ•œ ์ข…๋ฅ˜์˜ ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ•˜์ง€ ์•Š์•„์•ผํ•ฉ๋‹ˆ๋‹ค.

@seberg ๋‹ต์žฅ์„ ๋ณด๋‚ด ์ฃผ์…”์„œ ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค. ๋„ค๊ฐ€ ์˜ณ์•„. ํŒŒ์ด์ฌ ๋ฌธ์ œ์ž…๋‹ˆ๋‹ค : http://bugs.python.org/issue11564

์›์น™์ ์œผ๋กœ ์šฐ๋ฆฌ๋Š” ์–ด์จŒ๋“  ํฐ ๊ฐ’์„ ์ „๋‹ฌํ•˜์—ฌ ๋ฒ„๊ทธ๋ฅผ ํ•ด๊ฒฐํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
์ผ๋ จ์˜ ๊ฐ์ฒด๋กœ ํ”ผํด ๋Ÿฌ์— ๋ฐฐ์—ดํ•˜๋ฉฐ, ๊ฐ ๊ฐ์ฒด๋Š”
์ œํ•œํ•˜๊ณ  ์–ธ ํ”ผํด ์‹œ๊ฐ„์— ๋ฐฐ์—ด์„ ์žฌ๊ตฌ์„ฑํ•ฉ๋‹ˆ๋‹ค. ๋งˆ์น˜
์ œํ•œ์€ ๋‹จ์ผ ๋ฐ”์ดํŠธ ๋ฐฐ์—ด์˜ ํฌ๊ธฐ์ž…๋‹ˆ๋‹ค.
2012 ๋…„ 12 ์›” 14 ์ผ 22:11์— "zhlsk" [email protected]์ด ์ž‘์„ฑํ–ˆ์Šต๋‹ˆ๋‹ค.

@seberg https://github.com/seberg ๋‹ต์žฅ ํ•ด ์ฃผ์…”์„œ ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค. ๋„ค๊ฐ€ ์˜ณ์•„.
ํŒŒ์ด์ฌ ๋ฌธ์ œ์ž…๋‹ˆ๋‹ค : http://bugs.python.org/issue11564

โ€”
์ด ์ด๋ฉ”์ผ์— ์ง์ ‘ ๋‹ต์žฅํ•˜๊ฑฐ๋‚˜ Gi tHubhttps : //github.com/numpy/numpy/issues/2396#issuecomment -11394338์—์„œ ํ™•์ธํ•˜์„ธ์š”.

์ด๊ฒƒ์— ๋Œ€ํ•œ ์ง„์ „์ด ์žˆ์Šต๋‹ˆ๊นŒ? numpy.save ๋ฐ numpy.savetxt ๋ชจ๋‘์ด ๋ฌธ์ œ์˜ ์˜ํ–ฅ์„๋ฐ›๋Š” ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค. ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์ด ์žˆ์Šต๋‹ˆ๊นŒ?

Python์˜ ๋ฒ„๊ทธ์ด๊ณ  ์ˆ˜์ •์€ ์ตœ์‹  ๋ฒ„์ „์œผ๋กœ ์—…๊ทธ๋ ˆ์ด๋“œํ•˜๋Š” ๊ฒƒ์ด๋ฉฐ (Python 3.3์—์„œ ์ˆ˜์ • ๋จ) ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์€ ์–ด๋ ˆ์ด๋ฅผ ๋” ์ž‘์€ ๋ถ€๋ถ„์œผ๋กœ ์ง์ ‘ ํ”ผํดํ•˜๊ฑฐ๋‚˜ Python ํ”ผํด์ด ์•„๋‹Œ ๋‹ค๋ฅธ ํŒŒ์ผ ํ˜•์‹์„ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.

np.savetxt๋Š” ์ด๊ฒƒ์˜ ์˜ํ–ฅ์„๋ฐ›์ง€ ์•Š์œผ๋ฉฐ np.save๋Š” ๊ฐ์ฒด ๋ฐฐ์—ด์— ๋Œ€ํ•ด์„œ๋งŒ ์˜ํ–ฅ์„๋ฐ›์Šต๋‹ˆ๋‹ค.

ํ์‡„.

scipy.sparse.csr_matrix ํ˜•์‹์˜ 352,451,719 ๊ฐœ์˜ ์ €์žฅ๋œ ์š”์†Œ๊ฐ€์žˆ๋Š” 11,314 x 8,463,980,778 ํฌ์†Œ ํ–‰๋ ฌ์„ cPickleํ•˜๋ ค๊ณ  ํ•  ๋•Œ์ด ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค. Python ๋ฒ„์ „ : Python 2.7.10 | Anaconda 2.3.0 (x86_64) | (๊ธฐ๋ณธ๊ฐ’, 2015 ๋…„ 5 ์›” 28 ์ผ, 17:04:42)

์ด ํŽ˜์ด์ง€๊ฐ€ ๋„์›€์ด ๋˜์—ˆ๋‚˜์š”?
0 / 5 - 0 ๋“ฑ๊ธ‰