{"published":"2024-07-28 00:00:00","version":"1.0","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/coffee_kabu/","author_name":"coffee_kabu","provider_name":"Hatena Blog","blog_url":"https://coffee-guhaw.hateblo.jp/","blog_title":"Bus error\u3068Segmentation fault\u306b\u56f0\u3063\u305f\u3089\u898b\u308b\u30d6\u30ed\u30b0","type":"rich","url":"https://coffee-guhaw.hateblo.jp/entry/2024/07/28/000000","description":"(\u5143\u8a18\u4e8b 2012/03/06) FFTW\u306e\u516c\u5f0f\u30b5\u30a4\u30c8 \u304b\u3089\u843d\u3068\u3057\u3066\u304d\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u89e3\u51cd\u3057\u3066\u3001\u4e2d\u306b\u5165\u308b \u3044\u3064\u3082\u306e cd fftw-3.3.1/./configuremake \u3053\u308c\u3067bench\u3068\u3044\u3046\u30b3\u30de\u30f3\u30c9\u304c\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308b\u3002 bench\u306e\u4f7f\u3044\u65b9\u3068\u5b9f\u884c\u7d50\u679c $bench 16 #16\u306f\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30baProblem: 16, setup: 18.00 us, time: 81.74 ns, ``mflops'': 3914.8 \u3042\u3068\u306f\u30d5\u30a1\u30a4\u30eb\u306e\u30b5\u30a4\u30ba\u3092\u5909\u3048\u3066bench\u306b\u98df\u308f\u305b\u308b\u3088\u3046\u306a\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u3061\u3087\u3044\u3061\u3087\u3044\u3068\u66f8\u3044\u3066\u5b9f\u884c\u3002 Mac mini \u3068Mac Book air\u3067\u306f\u3053\u3093\u306a\u611f\u3058\u306e\u7d50\u679c\u306b\u306a\u308a\u307e\u2026","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcoffee-guhaw.hateblo.jp%2Fentry%2F2024%2F07%2F28%2F000000\" title=\"\u3010FFTW\u3011Mac book\u4e0a\u3067bench\u3092\u52d5\u304b\u3057\u3066\u3001\u8a08\u7b97\u6027\u80fd\u3092\u8abf\u3079\u308b - Bus error\u3068Segmentation fault\u306b\u56f0\u3063\u305f\u3089\u898b\u308b\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["mac","c/c++"],"width":"100%","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/c/coffee_kabu/20240719/20240719160851.png","title":"\u3010FFTW\u3011Mac book\u4e0a\u3067bench\u3092\u52d5\u304b\u3057\u3066\u3001\u8a08\u7b97\u6027\u80fd\u3092\u8abf\u3079\u308b"}