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ioに関するauthorNariのブックマーク (2)

  • Iozone Filesystem Benchmark

    IOzone is a filesystem benchmark tool. The benchmark generates and measures a variety of file operations. Iozone has been ported to many machines and runs under many operating systems. Iozone is useful for performing a broad filesystem analysis of a vendor�s computer platform. The benchmark tests file I/O performance for the following operations: Read, write, re-read, re-write, read backwards, rea

    authorNari
    authorNari 2008/09/24
    ファイルシステム,ベンチ
  • ハタさんのブログ : io で GC を見る

    io の Collector を使って、GCの動きを少し見てみる via - Io の make test(libs/iovm/tests/run.io) コードとしては、こんな感じのを使うらしい。 writeln("mpa \t as \t mb \t time \t mbt \t gc") lastTimeUsed := 0.0 list(1.01, 1.05, 1.1, 1.2, 1.5, 1.7, 2, 4) foreach(as, list(0.01, 0.1, 1, 2, 4, 16) foreach(mpa, Collector setMarksPerAlloc(mpa) Collector setAllocatedStep(as) time := Date clone cpuSecondsToRun(test) mb := (Collector maxAllocatedB

    authorNari
    authorNari 2008/07/15
    プロファイル
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