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Compact GC Head
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INADA Naoki
June 25, 2018
Technology
8.3k
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Compact GC Head
Python の GCヘッダを減らすために今挑戦していることを紹介します。
INADA Naoki
June 25, 2018
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Transcript
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1ZUIPOͷ࣮ ϫʔυ _gc_head *gc_next; _gc_head *gc_prev; ssize_t gc_refcnt;
HD@OFYU HD@QSFW w ํϦϯΫϦετ w ֤ੈͷΦϒδΣΫτͷू߹Λཧ w ҙͷΦϒδΣΫτΛ0 Ͱ֎ͤΔ
HD@SFGDOU w ࢼݧআ༻ࢀরΧϯτ w ෛͷఆ w 53"$,&% ΑΓݹ͍ੈͷΦϒδΣΫτ
w 6/53"$,&% ཧ֎ʣ w 5&/5"5*7&-:@6/3&"$)"#-& আީิ w 3&"$)"#-& ੜଘ֬ఆ w CJUΛผ్ͷϑϥάͰར༻
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ࢀরઌ͕VOSFBDIBCMFͳΒHDMJTUͷඌʹ෮ؼ w HDMJTUͷऴʹ౸ୡͨ͠ʹ࠶ؼతͳϚʔΫྃ
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w ෮ؼ࣌HD@SFGDOUͰ୯ํϦϯΫϦετԽ
ࢀরઌʹύλʔϯ͋Δɻ Ͳ͏ݟ͚Δ͔ɻ
HD@SFGDOU ࠶ w ࢼݧআ༻ࢀরΧϯτ w ෛͷఆ w 53"$,&%
ΑΓݹ͍ੈͷΦϒδΣΫτ w 6/53"$,&% ཧ֎ʣ w 5&/5"5*7&-:@6/3&"$)"#-& আީิ w 3&"$)"#-& ੜଘ֬ఆ w CJUΛผ్ͷϑϥάͰར༻
ঢ়ଶμΠΤοτ w 53"$,&% 6/53"$,&% w HDMJTUʹೖ͍ͬͯΔ͔Ͳ͏͔ͰϏοτඞཁ w HD@OFYU/6--Ͱཧ͞ΕͯΔ͔அ w 5&/5"5*7&-:@6/3&"$)"#-&
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w w ྨࣅͷٕज़ුಈখͷ/B/ͷੑΛͬͨ /B/#PYJOH
ΞυϨεͷະ༻CJU w Y@ͷΞυϨε࣮࣭ͬͯόΠτͰʁ w ࠷ۙόΠτʹ֦ு͞ΕͨΒ͍͠ w ্ҐϏοτΛ৮Δͷকདྷੑʹෆ҆ w ͦͦΞʔΩґଘ w
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HD@QSFWHD@SFGT HD@QSFWHD@SFGT 6OSFBDIBCMF $PMMFDUJOH طଘϑϥά
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w 0, w ΞυϨεۭ͕ؒCJUͰɺϙΠϯλ͕CZUFͳΒɺϙΠϯλ ͷ্ք? w CJU༨ͬͯͳ͍ w Ϣʔβʔۭؒී௨ʹ(#ʢCJUʣʹͳΔ
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ࠓޙͷํ w HD@OFYUͷԼҐCJUར༻͢Δ w HD@QSFWΛVJOU@Uʹ͢Δ w $PNQBDU࣮ͱطଘ࣮ΛΓସ͑Δ w CJUڥͰσϑΥϧτͰैདྷ࣮
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