From: Robert Klemme <shortcutter@...>
Date: 2010-02-22T17:45:53+09:00
Subject: Re: Read efficiency?

2010/2/21 Robert Klemme <shortcutter@googlemail.com>:

> Note: Ruby is not C but sometimes there is room for improvement. :-)

09:40:20 Temp$ ./bmx.rb
Rehearsal -----------------------------------------------------------------
f-100.bin simple                0.000000   0.000000   0.000000 (  0.004000)
f-100.bin smart                 0.016000   0.000000   0.016000 (  0.005000)
f-100.bin complete              0.000000   0.000000   0.000000 (  0.008000)
f-1048576.bin simple            0.094000   0.046000   0.140000 (  0.133000)
f-1048576.bin smart             0.078000   0.016000   0.094000 (  0.100000)
f-1048576.bin complete          0.015000   0.031000   0.046000 (  0.054000)
f-104857600.bin simple          9.031000   3.875000  12.906000 ( 12.913000)
f-104857600.bin smart           5.766000   4.047000   9.813000 (  9.820000)
f-104857600.bin complete        0.609000   3.156000   3.765000 (  3.807000)
------------------------------------------------------- total: 26.780000sec

                                    user     system      total        real
f-100.bin simple                0.016000   0.000000   0.016000 (  0.007000)
f-100.bin smart                 0.000000   0.000000   0.000000 (  0.008000)
f-100.bin complete              0.000000   0.000000   0.000000 (  0.007000)
f-1048576.bin simple            0.093000   0.109000   0.202000 (  0.207000)
f-1048576.bin smart             0.078000   0.016000   0.094000 (  0.103000)
f-1048576.bin complete          0.000000   0.046000   0.046000 (  0.037000)
f-104857600.bin simple          8.594000   4.125000  12.719000 ( 12.760000)
f-104857600.bin smart           6.219000   3.500000   9.719000 (  9.721000)
f-104857600.bin complete        0.593000   3.125000   3.718000 (  3.778000)
09:42:46 Temp$

Code is here http://gist.github.com/310932#file_bmx.rb

Cheers

robert

-- 
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/