Diary/2012-10-1
気づいたら
10月.2012年も残り1/4ですか...そうですか...
USB2.0の実力??
Mac miniの性能に引き続いて,折角なのでUSB接続なHDDの性能も測定してみた.
ランダム読み込みだとUSB接続なHDDからのが速いという結果に.ホントか?
あるいは3.5"と2.5"の実力差?
生データは↓のような感じ.
System Info Xbench Version 1.3 System Version 10.7.5 (11G56) Physical RAM 4096 MB Model Macmini5,2 Drive Type I-O DATA HDCR-U Disk Test 17.79 Sequential 41.00 Uncached Write 48.45 29.75 MB/sec [4K blocks] Uncached Write 42.55 24.07 MB/sec [256K blocks] Uncached Read 25.27 7.40 MB/sec [4K blocks] Uncached Read 72.21 36.29 MB/sec [256K blocks] Random 11.36 Uncached Write 3.17 0.34 MB/sec [4K blocks] Uncached Write 61.87 19.81 MB/sec [256K blocks] Uncached Read 90.94 0.64 MB/sec [4K blocks] Uncached Read 107.36 19.92 MB/sec [256K blocks]