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fadis_'s profile
Fadis
Fadis
Fadis
@fadis_

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Fadis

@fadis_

組み込みから*NIXシステム、HPCまで、計算機をこよなく愛するゲームプログラマ。C++を関数型言語と間違えているタイプのC++er。遺伝的FM音源とかの人。 丼:@fadis@mstdn.jp 欲しい物リスト:http://amzn.to/Mzt8F0 

大阪
github.com/Fadis/
Joined July 2010

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    1. ぽんこつ‏ @ponkotuy 13 Dec 2012
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      GPGPUなぁ。GPUに得意な計算で超ラフに10倍っていうのがボクの体感なんだよな。色々意見あるだろうけど

      1 reply 0 retweets 1 like
    2. Fadis‏ @fadis_ 13 Dec 2012
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      Replying to @ponkotuy

      @ponkotuy 間違いなく微分方程式が絡む物理シミュレーションは「GPUに得意な計算」ではないものをゴリ押ししてる部類かと

      2 replies 0 retweets 0 likes
    3. Tsukasa #01‏ @a4lg 13 Dec 2012
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      Replying to @fadis_

      @fadis_ 個人的に GPGPU に向いてて性能を (半分ほど) 出してるのは暗号系。整数演算のせいで FMA が使えなませんが、GPU に任せるような暗号系の研究でメモリ負荷が重いものはないので、カタログスペックに近い値が出てきます。

      1 reply 0 retweets 1 like
      Fadis‏ @fadis_ 13 Dec 2012
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      Replying to @a4lg

      @a4lg 暗号の場合いかに暗号のbit長が長いと言っても系全体の要素が依存しあっている物理シミュレーションと比べたらデータ間の依存関係が限定的ですしね

      5:56 AM - 13 Dec 2012
      1 reply 0 retweets 0 likes
        1. New conversation
        2. Tsukasa #01‏ @a4lg 13 Dec 2012
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          Replying to @fadis_

          @fadis_ で逆側の暗号系だと大量の事前計算メモリを使ったり複雑な検索しなきゃならなかったり、そもそも GPU に任せられるような演算じゃないという印象。

          1 reply 0 retweets 0 likes
        3. Fadis‏ @fadis_ 13 Dec 2012
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          Replying to @a4lg

          @a4lg 通信とかで流れてるデータを流れてきた端から暗号化することを想定した暗号と、ストレージとかに記録された最初から全体が揃ってるモンをがっつり暗号化するための暗号、ですかね

          1 reply 0 retweets 0 likes
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