ruby-dev

まつもと ゆきひろです

In message "Re: [ruby-dev:39846] [Bug #2447] reduce GC pressure by symbol table without String instance"
    on Sun, 6 Dec 2009 23:24:59 +0900, Yusuke Endoh <[email protected]> writes:

|現在のシンボルテーブルは、シンボルごとに String のインスタンスを
|割り当ててシンボル名を管理しますが、そのせいで GC の効率が落ちて
|いると思います。
|
|String ではなく ALLOC で直接確保した領域で管理するパッチを書きま
|した。極端な例ではこのくらい早くなります。

確かに。実はSymbolをGCの対象としようとする伏線で現状のように
なっているのですが、思ったより難しくて放置してます。当面、
SymbolのGCはできそうにないんだから、遠藤さんの指摘のようにす
べきなのかなあ。

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[#39819] [Backport #2416] win32's flock — Usaku NAKAMURA <redmine@...>

[#39823] [ANN] Ruby draft specification — Shugo Maeda <shugo@...>

[#39832] [Bug #2425] Kernel#public_method の例外メッセージ — _ wanabe <redmine@...>

[#39833] Re: [ruby-cvs:33200] Ruby:r25984 (trunk): * compile.c (compile_cpath, iseq_compile_each): reverted — Tanaka Akira <akr@...>

[#39835] [Bug #2435] webrick/config.rbにtypo — Sho Hashimoto <redmine@...>

[#39838] [Bug #2439] gem_prelude.rbとlib/rubygems.rbでKernel#gemの可視性が異なる — Sho Hashimoto <redmine@...>

[#39839] [Feature:trunk] [irb] interactive help — Nobuyoshi Nakada <nobu@...>

[#39841] [Backport #1655](Closed) fdiv の使用で Segmentation fault が発生する — Yuki Sonoda <redmine@...>

[#39845] Re: [ruby-cvs:33238] Ruby:r26022 (trunk): * marshal.c (w_object): dump instance variables when using — Tanaka Akira <akr@...>

[#39846] [Bug #2447] reduce GC pressure by symbol table without String instance — Yusuke Endoh <redmine@...>

[#39847] stable find.rb — Tanaka Akira <akr@...>

[#39851] Time.now + str と #to_r — Yukihiro Matsumoto <matz@...>

[#39853] [Feature #2455] --dump=parsetree, --dump=parsetree_with_comment — Yusuke Endoh <redmine@...>

[#39855] [RubySpec #2460] RubySpecでFiberのSpecがおちる — 三村 益隆 <redmine@...>

[#39856] [Bug #2463] String#center — Sakuro OZAWA <redmine@...>

[#39861] SEGV by a { b {|c.d| } e } — Tanaka Akira <akr@...>

[#39862] [Feature #2470] Encoding#new doesn't undef_method-ed — Yui NARUSE <redmine@...>

[#39863] [Feature #2471] want to choose a GC algorithm — _ wanabe <redmine@...>

[#39872] [Bug #2474] The __FILE__ constant equals a relative path when required using a relative path FAILED on 1.8.8dev — "ujihisa ." <redmine@...>

[#39874] faster Enumerator#each by rb_block_call with current block — Yusuke ENDOH <mame@...>

[#39881] [Backport #2477] String#split should be ASCII sensitive — Yui NARUSE <redmine@...>

[#39885] [Bug #2481] cannot install 1.8.7 on Win32 — Usaku NAKAMURA <redmine@...>

[#39889] [Bug:1.8] Re: set_trace_func中の例外について — Urabe Shyouhei <shyouhei@...>

[#39903] [Bug #1330] BigDecimal オブジェクトを何度も使い回すと Bus Error が発生することがある — Tadashi Saito <redmine@...>

[#39904] [Bug #1330] BigDecimal オブジェクトを何度も使い回すと Bus Error が発生することがある — Kenta Murata <redmine@...>

[#39905] [Bug #1330] BigDecimal オブジェクトを何度も使い回すと Bus Error が発生することがある — Kenta Murata <redmine@...>

[#39906] [Backport #2512] CC is ignored in ext — Nobuyoshi Nakada <redmine@...>

[#39907] [Backport #2513] CC is ignored in ext — Nobuyoshi Nakada <redmine@...>

[#39908] [Bug #2514] --enable-wide-getaddrinfoがブランチによらず有効になりません — Takeyuki Fujioka <redmine@...>

[#39910] [Bug #2516] IO#reopen Compatibility (original: ) — "ujihisa ." <redmine@...>

[#39912] [Bug #2522] Segmentation Fault is occurred on r26158 by running rubyspec — Kenta Murata <redmine@...>

[#39924] [Backport #2513](Closed) CC is ignored in ext — Shyouhei Urabe <redmine@...>

[#39927] [Bug #2533] sample/occur2.rb is old-fashioned — Yuki Sonoda <redmine@...>

[#39931] [Bug #2537] 継承クラスにて、ブロック内にてsuperを呼ぶと、super called outside of method (NoMethodError)が発生する — Nobuhide Nakabo <redmine@...>

[#39936] [Feature #2540] Hash#contribute — Makoto Cyross <redmine@...>

[#39938] [Bug #2541] fork のない環境での spawn による未使用 fd へのリダイレクト — _ wanabe <redmine@...>

[#39940] [Bug #2541](Closed) fork のない環境での spawn による未使用 fd へのリダイレクト — Yui NARUSE <redmine@...>

[#39941] [Bug #2374] URI.regexp('http') が 'http://' にマッチする — Yui NARUSE <redmine@...>

[#39944] Re: [ruby-cvs:33421] Ruby:r26205 (ruby_1_8, trunk): * ext/extmk.rb: fix for extstatic. — Yutaka Kanemoto <kinpoco@...>

[#39945] [Bug #2374] URI.regexp('http') が 'http://' にマッチする — Yui NARUSE <redmine@...>

[ruby-dev:39849] Re: [Bug #2447] reduce GC pressure by symbol table without String instance

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[#39855] [RubySpec #2460] RubySpecでFiberのSpecがおちる — 三村益隆 <redmine@...>

[#39872] [Bug #2474] The FILE constant equals a relative path when required using a relative path FAILED on 1.8.8dev — "ujihisa ." <redmine@...>