{"id":49,"date":"2021-04-30T13:49:19","date_gmt":"2021-04-30T04:49:19","guid":{"rendered":"https:\/\/www.avancesys.co.jp\/laboratory\/?post_type=article&p=49"},"modified":"2021-06-29T10:19:13","modified_gmt":"2021-06-29T01:19:13","slug":"%e3%83%a9%e3%82%ba%e3%83%91%e3%82%a4%e5%ae%9f%e9%a8%93%e5%ae%a4-%e3%80%9c%e3%81%84%e3%82%8d%e3%82%93%e3%81%aamicrosd%e3%81%a7%e6%80%a7%e8%83%bd%e3%82%92%e6%b8%ac%e3%81%a3%e3%81%a6%e3%81%bf%e3%81%9f","status":"publish","type":"article","link":"https:\/\/www.avancesys.co.jp\/laboratory\/article\/%e3%83%a9%e3%82%ba%e3%83%91%e3%82%a4%e5%ae%9f%e9%a8%93%e5%ae%a4-%e3%80%9c%e3%81%84%e3%82%8d%e3%82%93%e3%81%aamicrosd%e3%81%a7%e6%80%a7%e8%83%bd%e3%82%92%e6%b8%ac%e3%81%a3%e3%81%a6%e3%81%bf%e3%81%9f\/","title":{"rendered":"\u30e9\u30ba\u30d1\u30a4\u5b9f\u9a13\u5ba4 \u301c\u3044\u308d\u3093\u306amicroSD\u3067\u6027\u80fd\u3092\u6e2c\u3063\u3066\u307f\u305f\u301c"},"content":{"rendered":"\n

\u3053\u3093\u306b\u3061\u306f\uff01<\/p>\n\n\n\n

IoT\u6642\u4ee3\u5230\u6765\u306e\u771f\u3063\u53ea\u4e2d\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u5f0a\u793e\u3067\u3082\u6570\u591a\u304f\u306e\u30bb\u30f3\u30b7\u30f3\u30b0\u30c7\u30d0\u30a4\u30b9\u3092\u53d6\u308a\u6271\u3063\u3066\u304a\u308a\u307e\u3059\u3002
\u53bb\u5e74\u3042\u305f\u308a\u304b\u3089\u65e5\u672c\u3067\u3082Raspi4B\u304c\u53d6\u308a\u6271\u3048\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u306e\u3067\u3001\u5272\u3068\u91cd\u3044\u51e6\u7406(\u753b\u50cf\u89e3\u6790\u3084CNN\u30e9\u30a4\u30d6\u30e9\u30ea\u4f7f\u7528\u306a\u3069)\u3092\u3057\u3066\u3082\u3001
\u5341\u5206\u306b\u8010\u3048\u3089\u308c\u308b\u6027\u80fd\u306b\u306a\u3063\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\u3053\u306e\u30b7\u30ea\u30fc\u30ba\u3067\u306f\u30e9\u30ba\u30d1\u30a4\u3092\u4f7f\u3063\u3066\u3001\u666e\u6bb5\u306f\u3084\u3089\u306a\u3044\u3051\u3069\u77e5\u3063\u3066\u304a\u304d\u305f\u3044\u4e8b\u3092\u5b9f\u9a13\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u5f0a\u793e\u3067\u306f\u3001\u30e9\u30ba\u30d1\u30a4\u306e\u6848\u4ef6\u3092\u6271\u3046\u5834\u5408\u306b\u5fc5\u305a\u3068\u8a00\u3063\u3066\u3044\u3044\u307b\u3069SunDisk Extreme 64GB\u304c\u51fa\u3066\u304d\u307e\u3059\u3002
https:\/\/www.amazon.co.jp\/dp\/B082WPGKT6<\/a><\/p>\n\n\n\n

\u9078\u5b9a\u3059\u308b\u30dd\u30a4\u30f3\u30c8\u3068\u3057\u3066\u306f\u3001\u30b3\u30b9\u30c8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u6027\u80fd\u3068\u5b89\u5b9a\u6027(\u4fa1\u683c\u9762\/\u6027\u80fd\u9762)\u3067\u3059\u3002<\/p>\n\n\n\n

\u4eca\u56de\u306e\u5b9f\u9a13\u306b\u4f7f\u7528\u3059\u308bmicroSD\u306f\u3053\u3061\u3089\u3002
A1\/A2\u306e\u767b\u5834\u306b\u3088\u3063\u3066\u30a2\u30d7\u30ea\u8d77\u52d5\u304c\u683c\u6bb5\u306b\u65e9\u304f\u306a\u308a\u307e\u3057\u305f\u3002
\u5909\u308f\u308a\u7a2e\u3068\u3057\u3066UHS-II\u306emicroSD\u30ab\u30fc\u30c9\u306b\u3064\u3044\u3066\u30e9\u30ba\u30d1\u30a4\u306e\u516c\u5f0f\u30da\u30fc\u30b8\u3067\u306f\u4ed5\u69d8\u306b\u660e\u8a18\u3055\u308c\u3066\u3044\u306a\u3044\u306e\u3067\u3001
\u6709\u7528\u306a\u306e\u304b\u3069\u3046\u304b\u6bd4\u3079\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n

\u5bfe\u8c61microSD\uff1a<\/p>\n\n\n\n

\u88fd\u54c1\u540d<\/th>\u898f\u683c<\/th>\u5bb9\u91cf<\/th>\u4fa1\u683c<\/th><\/tr><\/thead>
Silicon Power microSDHC<\/td>class10<\/td>16GB<\/td>\u00a5769<\/td><\/tr>
SunDisk Ultra microSDHC<\/td>class10 UHS-1 A1<\/td>16GB<\/td>\u00a5822<\/td><\/tr>
SunDisk Ultra microSDHC<\/td>class10 UHS-1(\u30b9\u30d4\u30fc\u30c9\u30af\u30e9\u30b91) A1<\/td>32GB<\/td>\u00a5980<\/td><\/tr>
SunDisk Extreme microSDXC<\/td>UHS-1(\u30b9\u30d4\u30fc\u30c9\u30af\u30e9\u30b93) A2 V30<\/td>64GB<\/td>\u00a51,816<\/td><\/tr>
Kingston CANVAS React Plus microSDXCII<\/td>UHS-II(\u30b9\u30d4\u30fc\u30c9\u30af\u30e9\u30b93) A1 V90<\/td>64GB<\/td>\u00a57,350<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
<\/div>\n\n\n\n

\u8d77\u52d5\u6642\u9593\u6e2c\u5b9a<\/p><\/blockquote><\/figure>\n\n\n\n

\u307e\u305a\u306fmicroSD\u306e\u6027\u80fd\u306b\u3088\u3063\u3066\u8d77\u52d5\u6642\u9593\u304c\u77ed\u7e2e\u3055\u308c\u308b\u306e\u304b\u3092\u691c\u8a3c\u3057\u3066\u3044\u304d\u307e\u3059\u3002
\u30e9\u30ba\u30d1\u30a4\u306b\u5c0e\u5165\u3057\u305f\u30bd\u30d5\u30c8(daemon)\u306b\u3088\u3063\u3066\u3082\u5909\u5316\u3057\u3066\u304f\u308b\u306e\u3067\u3001
\u4eca\u56de\u306f\u4e0b\u8a18\u306e\u6761\u4ef6\u3067\u6e2c\u5b9a\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

<\/div>\n\n\n\n

\u6761\u4ef6<\/h2>\n\n\n\n
\u4f7f\u7528\u3059\u308b\u7b50\u4f53\u306f\u300cRaspberry Pi 4B\u300d\u3002<\/td><\/tr>
\u516c\u5f0f\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u53ef\u80fd\u306aRaspberry Pi Imager\u3092\u4f7f\u3044\u3001microSD\u306b\u30b3\u30d4\u30fc\u3059\u308b\u3002<\/td><\/tr>
\u6700\u521d\u306e\u521d\u671f\u8a2d\u5b9a\u753b\u9762\u306f\u5168\u3066\u30c7\u30d5\u30a9\u30eb\u30c8\u3002(\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306a\u3057)<\/td><\/tr>
\u6700\u521d\u306e\u8d77\u52d5\u5b8c\u4e86\u5f8c\u3001\u96fb\u6e90\u3092\u5207\u308a\u3001\u518d\u8d77\u52d5\u3057\u3066\u304b\u3089\u6e2c\u5b9a\u3059\u308b\u3002<\/td><\/tr>
\u6e2c\u5b9a\u3092\uff15\u56de\u7a0b\u5ea6\u884c\u3044\u3001\u5e73\u5747\u5024\u3092\u63a1\u7528\u3059\u308b\u3002<\/td><\/tr>
\u6e2c\u5b9a\u30b3\u30de\u30f3\u30c9\u306f\u4e0b\u8a18\u3092\u4f7f\u3046\u3002
“systemd-analyze time”<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
<\/div>\n\n\n\n

\u7d50\u679c<\/h2>\n\n\n\n
\u88fd\u54c1\u540d<\/th>\u30ab\u30fc\u30cd\u30eb\u8d77\u52d5\u6642\u9593(s)<\/th>GUI\/HW\/\u30c7\u30fc\u30e2\u30f3\u8d77\u52d5\u6642\u9593(s)<\/th>\u5408\u8a08(s)<\/th><\/tr><\/thead>
Silicon Power microSDHC(16GB)<\/td>2.137<\/td>13.330<\/td>15.504<\/td><\/tr>
SunDisk Ultra microSDHC(16GB)<\/td>2.102<\/td>12.441<\/td>14.544<\/td><\/tr>
SunDisk Ultra microSDHC(32GB)<\/td>2.100<\/td>12.313<\/td>14.414<\/td><\/tr>
SunDisk Extreme microSDXC(64GB)<\/td>2.052<\/td>12.911<\/td>14.963<\/td><\/tr>
Kingston CANVAS React Plus microSDXCII(64GB)<\/td>2.209<\/td>12.232<\/td>14.542<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u5404SD\u30ab\u30fc\u30c9\u306e\u8a55\u4fa1\u30dd\u30a4\u30f3\u30c8\u3068\u3057\u3066A1\/A2\u306e\u8868\u8a18\u306e\u6709\u7121\u306b\u3088\u3063\u3066\u5927\u51e1\uff11\u79d2\u7a0b\u5ea6\u306e\u9055\u3044\u304c\u3042\u308a\u307e\u3057\u305f\u3002
UHSI \u3068 UHSII\u306e\u6bd4\u8f03\u306b\u3064\u3044\u3066\u306f\u8d77\u52d5\u6642\u9593\u3067\u306e\u5dee\u306f\u898b\u3089\u308c\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n\n\n\n

<\/div>\n\n\n\n

\u6027\u80fd\u6e2c\u5b9a<\/p><\/blockquote><\/figure>\n\n\n\n

\u6b21\u306b\u5404SD\u30ab\u30fc\u30c9\u306e\u8aad\u307f\u66f8\u304d\u3068\u30e9\u30f3\u30c0\u30e0\u30a2\u30af\u30bb\u30b9\u306b\u3064\u3044\u3066\u306e\u6027\u80fd\u5dee\u3092\u6e2c\u3063\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\u6761\u4ef6<\/h2>\n\n\n\n

\u8d77\u52d5\u6642\u9593\u540c\u69d8\u306b\u7b50\u4f53\u3068\u521d\u671f\u8a2d\u5b9a\u306f\u540c\u3058\u304f\u4e0b\u8a18\u306e\u6761\u4ef6\u3092\u52a0\u3048\u307e\u3059\u3002<\/p>\n\n\n\n

\u6e2c\u5b9a\u30b3\u30de\u30f3\u30c9\u306f\u4e0b\u8a18\u3092\u4f7f\u7528\u3059\u308b\u3002
“agnostics”<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
<\/div>\n\n\n\n

\u7d50\u679c<\/h2>\n\n\n\n
\u88fd\u54c1\u540d<\/th>\u30b7\u30fc\u30b1\u30f3\u30b7\u30e3\u30eb\u66f8\u304d(KB\/sec)<\/th>\u30e9\u30f3\u30c0\u30e0\u66f8\u304d(IOPS)<\/th>\u30e9\u30f3\u30c0\u30e0\u8aad\u307f(IOPS)<\/th><\/tr><\/thead>
Silicon Power microSDHC(16GB)<\/td>9907<\/td>154<\/td>915<\/td><\/tr>
SunDisk Ultra microSDHC(16GB)<\/td>19224<\/td>864<\/td>2291<\/td><\/tr>
SunDisk Ultra microSDHC(32GB)<\/td>18475<\/td>859<\/td>2322<\/td><\/tr>
SunDisk Extreme microSDXC(64GB)<\/td>36632<\/td>1146<\/td>2653<\/td><\/tr>
Kingston CANVAS React Plus microSDXCII(64GB)<\/td>39196<\/td>842<\/td>2645<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u3053\u306e\u6bd4\u8f03\u3067\u306f\u30b7\u30fc\u30b1\u30f3\u30b7\u30e3\u30eb\u306e\u66f8\u304d\u8fbc\u307f\u3067\u306fKingston CANVAS\u304c\u4e0a\u56de\u308b\u3082\u306e\u306e\u3001
\u4ed6\u306e\u6570\u5024\u3067\u306fSunDisk Extreme\u306b\u8ecd\u914d\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

<\/div>\n\n\n\n

\u7dcf\u8a55<\/p><\/blockquote><\/figure>\n\n\n\n

\u3044\u304b\u304c\u3067\u3057\u3087\u3046\u304b\u3002
\u9078\u5b9a\u306e\u969b\u306e\u91d1\u984d\u9762\u3092\u898b\u3066\u3082\u3084\u306f\u308aSunDisk Extreme microSDXC(64GB)\u304c\u512a\u79c0\u3067\u3042\u308b\u3068\u8a00\u3048\u307e\u3059\u3002
\u307e\u305f\u3001\u30c7\u30fc\u30bf\u3092\u6e9c\u3081\u8fbc\u307f\u305f\u3044\u7528\u9014\u3067\u3082\u5341\u5206\u306b\u66f8\u304d\u8fbc\u307f\u901f\u5ea6\u304c\u78ba\u4fdd\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001
\u52d5\u753b\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u4fdd\u5b58\u306a\u3069\u306e\u7528\u9014\u3067\u3082\u5341\u5206\u306a\u6027\u80fd\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n\n\n\n

\u3067\u306f\u307e\u305f\uff01<\/p>\n\n\n\n

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