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Groups > comp.lang.java.programmer > #22953

Re: The first 10 files

Date 2013-03-14 12:49 +0000
From lipska the kat <"nospam at neversurrender dot co dot uk">
Organization Trollbusters 3
Newsgroups comp.lang.java.programmer
Subject Re: The first 10 files
References <mn.d04a7dd156c148ef.70216@a.com> <ke23sm$afb$1@dont-email.me> <mn.70bb7dd3ff682a5b.70216@a.com>
Message-ID <RvudnYCk24DlWtzMnZ2dnUVZ8iqdnZ2d@bt.com> (permalink)

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On 14/03/13 10:07, Wojtek wrote:
> Knute Johnson wrote :
>>
>> 300003 files in the directory, almost 1.7GB of files, Windows XP, Java
>> 7 and it takes 16 ms to run. Somebody else should try this out on
>> their computer to see if it works as fast.
>
> Ok, I'm back :-)

[snip]

Ubuntu Linux 12.04 64 bit, default kernel
Intel® Pentium(R) CPU B960 @ 2.20GHz × 2
java-7-openjdk-amd64 64-Bit Server VM (build 22.0-b10, mixed mode)
4GB RAM
ls /var/images | wc -l
1292

Find below the results for 10 runs for a count of 10 files
results for 100 runs for a count of 100 files ommitting the filename 
output but executing file.getName(); or path.getFileName(); available here

http://pastebin.com/tyFni9xA


Large File Number Tester

============= Run 1 ====================
IO run
1: tn_c0DgCQGwMklC.jpg
2: tn_7O3dRExnb1z5.jpg
3: tn_rljSB5H8yWGr.jpg
4: BpBBTq5FmOem.jpg
5: tn_FSc7Cn8S2KQP.jpg
6: tn_qRTnPNB7BdQq.jpg
7: IGbwhM3DsMlu.jpg
8: tn_VSetEaWqbuMD.jpg
9: IR081OywEjqb.jpg
10: cvNziQ9ecLeq.jpg
Elapsed: 36 ms
----------
NIO run
1: tn_c0DgCQGwMklC.jpg
2: tn_7O3dRExnb1z5.jpg
3: tn_rljSB5H8yWGr.jpg
4: BpBBTq5FmOem.jpg
5: tn_FSc7Cn8S2KQP.jpg
6: tn_qRTnPNB7BdQq.jpg
7: IGbwhM3DsMlu.jpg
8: tn_VSetEaWqbuMD.jpg
9: IR081OywEjqb.jpg
10: cvNziQ9ecLeq.jpg
Elapsed: 9 ms

============= Run 2 ====================
IO run
1: tn_c0DgCQGwMklC.jpg
2: tn_7O3dRExnb1z5.jpg
3: tn_rljSB5H8yWGr.jpg
4: BpBBTq5FmOem.jpg
5: tn_FSc7Cn8S2KQP.jpg
6: tn_qRTnPNB7BdQq.jpg
7: IGbwhM3DsMlu.jpg
8: tn_VSetEaWqbuMD.jpg
9: IR081OywEjqb.jpg
10: cvNziQ9ecLeq.jpg
Elapsed: 13 ms
----------
NIO run
1: tn_c0DgCQGwMklC.jpg
2: tn_7O3dRExnb1z5.jpg
3: tn_rljSB5H8yWGr.jpg
4: BpBBTq5FmOem.jpg
5: tn_FSc7Cn8S2KQP.jpg
6: tn_qRTnPNB7BdQq.jpg
7: IGbwhM3DsMlu.jpg
8: tn_VSetEaWqbuMD.jpg
9: IR081OywEjqb.jpg
10: cvNziQ9ecLeq.jpg
Elapsed: 2 ms

============= Run 3 ====================
IO run
1: tn_c0DgCQGwMklC.jpg
2: tn_7O3dRExnb1z5.jpg
3: tn_rljSB5H8yWGr.jpg
4: BpBBTq5FmOem.jpg
5: tn_FSc7Cn8S2KQP.jpg
6: tn_qRTnPNB7BdQq.jpg
7: IGbwhM3DsMlu.jpg
8: tn_VSetEaWqbuMD.jpg
9: IR081OywEjqb.jpg
10: cvNziQ9ecLeq.jpg
Elapsed: 19 ms
----------
NIO run
1: tn_c0DgCQGwMklC.jpg
2: tn_7O3dRExnb1z5.jpg
3: tn_rljSB5H8yWGr.jpg
4: BpBBTq5FmOem.jpg
5: tn_FSc7Cn8S2KQP.jpg
6: tn_qRTnPNB7BdQq.jpg
7: IGbwhM3DsMlu.jpg
8: tn_VSetEaWqbuMD.jpg
9: IR081OywEjqb.jpg
10: cvNziQ9ecLeq.jpg
Elapsed: 1 ms

============= Run 4 ====================
IO run
1: tn_c0DgCQGwMklC.jpg
2: tn_7O3dRExnb1z5.jpg
3: tn_rljSB5H8yWGr.jpg
4: BpBBTq5FmOem.jpg
5: tn_FSc7Cn8S2KQP.jpg
6: tn_qRTnPNB7BdQq.jpg
7: IGbwhM3DsMlu.jpg
8: tn_VSetEaWqbuMD.jpg
9: IR081OywEjqb.jpg
10: cvNziQ9ecLeq.jpg
Elapsed: 17 ms
----------
NIO run
1: tn_c0DgCQGwMklC.jpg
2: tn_7O3dRExnb1z5.jpg
3: tn_rljSB5H8yWGr.jpg
4: BpBBTq5FmOem.jpg
5: tn_FSc7Cn8S2KQP.jpg
6: tn_qRTnPNB7BdQq.jpg
7: IGbwhM3DsMlu.jpg
8: tn_VSetEaWqbuMD.jpg
9: IR081OywEjqb.jpg
10: cvNziQ9ecLeq.jpg
Elapsed: 2 ms

============= Run 5 ====================
IO run
1: tn_c0DgCQGwMklC.jpg
2: tn_7O3dRExnb1z5.jpg
3: tn_rljSB5H8yWGr.jpg
4: BpBBTq5FmOem.jpg
5: tn_FSc7Cn8S2KQP.jpg
6: tn_qRTnPNB7BdQq.jpg
7: IGbwhM3DsMlu.jpg
8: tn_VSetEaWqbuMD.jpg
9: IR081OywEjqb.jpg
10: cvNziQ9ecLeq.jpg
Elapsed: 8 ms
----------
NIO run
1: tn_c0DgCQGwMklC.jpg
2: tn_7O3dRExnb1z5.jpg
3: tn_rljSB5H8yWGr.jpg
4: BpBBTq5FmOem.jpg
5: tn_FSc7Cn8S2KQP.jpg
6: tn_qRTnPNB7BdQq.jpg
7: IGbwhM3DsMlu.jpg
8: tn_VSetEaWqbuMD.jpg
9: IR081OywEjqb.jpg
10: cvNziQ9ecLeq.jpg
Elapsed: 1 ms

============= Run 6 ====================
IO run
1: tn_c0DgCQGwMklC.jpg
2: tn_7O3dRExnb1z5.jpg
3: tn_rljSB5H8yWGr.jpg
4: BpBBTq5FmOem.jpg
5: tn_FSc7Cn8S2KQP.jpg
6: tn_qRTnPNB7BdQq.jpg
7: IGbwhM3DsMlu.jpg
8: tn_VSetEaWqbuMD.jpg
9: IR081OywEjqb.jpg
10: cvNziQ9ecLeq.jpg
Elapsed: 7 ms
----------
NIO run
1: tn_c0DgCQGwMklC.jpg
2: tn_7O3dRExnb1z5.jpg
3: tn_rljSB5H8yWGr.jpg
4: BpBBTq5FmOem.jpg
5: tn_FSc7Cn8S2KQP.jpg
6: tn_qRTnPNB7BdQq.jpg
7: IGbwhM3DsMlu.jpg
8: tn_VSetEaWqbuMD.jpg
9: IR081OywEjqb.jpg
10: cvNziQ9ecLeq.jpg
Elapsed: 0 ms

============= Run 7 ====================
IO run
1: tn_c0DgCQGwMklC.jpg
2: tn_7O3dRExnb1z5.jpg
3: tn_rljSB5H8yWGr.jpg
4: BpBBTq5FmOem.jpg
5: tn_FSc7Cn8S2KQP.jpg
6: tn_qRTnPNB7BdQq.jpg
7: IGbwhM3DsMlu.jpg
8: tn_VSetEaWqbuMD.jpg
9: IR081OywEjqb.jpg
10: cvNziQ9ecLeq.jpg
Elapsed: 7 ms
----------
NIO run
1: tn_c0DgCQGwMklC.jpg
2: tn_7O3dRExnb1z5.jpg
3: tn_rljSB5H8yWGr.jpg
4: BpBBTq5FmOem.jpg
5: tn_FSc7Cn8S2KQP.jpg
6: tn_qRTnPNB7BdQq.jpg
7: IGbwhM3DsMlu.jpg
8: tn_VSetEaWqbuMD.jpg
9: IR081OywEjqb.jpg
10: cvNziQ9ecLeq.jpg
Elapsed: 1 ms

============= Run 8 ====================
IO run
1: tn_c0DgCQGwMklC.jpg
2: tn_7O3dRExnb1z5.jpg
3: tn_rljSB5H8yWGr.jpg
4: BpBBTq5FmOem.jpg
5: tn_FSc7Cn8S2KQP.jpg
6: tn_qRTnPNB7BdQq.jpg
7: IGbwhM3DsMlu.jpg
8: tn_VSetEaWqbuMD.jpg
9: IR081OywEjqb.jpg
10: cvNziQ9ecLeq.jpg
Elapsed: 9 ms
----------
NIO run
1: tn_c0DgCQGwMklC.jpg
2: tn_7O3dRExnb1z5.jpg
3: tn_rljSB5H8yWGr.jpg
4: BpBBTq5FmOem.jpg
5: tn_FSc7Cn8S2KQP.jpg
6: tn_qRTnPNB7BdQq.jpg
7: IGbwhM3DsMlu.jpg
8: tn_VSetEaWqbuMD.jpg
9: IR081OywEjqb.jpg
10: cvNziQ9ecLeq.jpg
Elapsed: 2 ms

============= Run 9 ====================
IO run
1: tn_c0DgCQGwMklC.jpg
2: tn_7O3dRExnb1z5.jpg
3: tn_rljSB5H8yWGr.jpg
4: BpBBTq5FmOem.jpg
5: tn_FSc7Cn8S2KQP.jpg
6: tn_qRTnPNB7BdQq.jpg
7: IGbwhM3DsMlu.jpg
8: tn_VSetEaWqbuMD.jpg
9: IR081OywEjqb.jpg
10: cvNziQ9ecLeq.jpg
Elapsed: 6 ms
----------
NIO run
1: tn_c0DgCQGwMklC.jpg
2: tn_7O3dRExnb1z5.jpg
3: tn_rljSB5H8yWGr.jpg
4: BpBBTq5FmOem.jpg
5: tn_FSc7Cn8S2KQP.jpg
6: tn_qRTnPNB7BdQq.jpg
7: IGbwhM3DsMlu.jpg
8: tn_VSetEaWqbuMD.jpg
9: IR081OywEjqb.jpg
10: cvNziQ9ecLeq.jpg
Elapsed: 2 ms

============= Run 10 ====================
IO run
1: tn_c0DgCQGwMklC.jpg
2: tn_7O3dRExnb1z5.jpg
3: tn_rljSB5H8yWGr.jpg
4: BpBBTq5FmOem.jpg
5: tn_FSc7Cn8S2KQP.jpg
6: tn_qRTnPNB7BdQq.jpg
7: IGbwhM3DsMlu.jpg
8: tn_VSetEaWqbuMD.jpg
9: IR081OywEjqb.jpg
10: cvNziQ9ecLeq.jpg
Elapsed: 6 ms
----------
NIO run
1: tn_c0DgCQGwMklC.jpg
2: tn_7O3dRExnb1z5.jpg
3: tn_rljSB5H8yWGr.jpg
4: BpBBTq5FmOem.jpg
5: tn_FSc7Cn8S2KQP.jpg
6: tn_qRTnPNB7BdQq.jpg
7: IGbwhM3DsMlu.jpg
8: tn_VSetEaWqbuMD.jpg
9: IR081OywEjqb.jpg
10: cvNziQ9ecLeq.jpg
Elapsed: 2 ms


lipska

-- 
Lipska the Kat©: Troll hunter, sandbox destroyer
and farscape dreamer of Aeryn Sun

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Thread

The first 10 files Wojtek <nowhere@a.com> - 2013-01-26 01:14 -0800
  Re: The first 10 files Roedy Green <see_website@mindprod.com.invalid> - 2013-01-26 02:44 -0800
    Re: The first 10 files Lew <lewbloch@gmail.com> - 2013-01-26 10:20 -0800
  Re: The first 10 files "John B. Matthews" <nospam@nospam.invalid> - 2013-01-26 06:31 -0500
    Re: The first 10 files Wojtek <nowhere@a.com> - 2013-01-26 15:42 -0800
      Re: The first 10 files Jim Janney <jjanney@shell.xmission.com> - 2013-01-26 17:13 -0700
      Re: The first 10 files Arne Vajhøj <arne@vajhoej.dk> - 2013-01-26 21:21 -0500
      Re: The first 10 files "John B. Matthews" <nospam@nospam.invalid> - 2013-01-26 22:05 -0500
  Re: The first 10 files Arved Sandstrom <asandstrom2@eastlink.ca> - 2013-01-26 08:24 -0400
    Re: The first 10 files Arved Sandstrom <asandstrom2@eastlink.ca> - 2013-01-26 08:25 -0400
    Re: The first 10 files Arne Vajhøj <arne@vajhoej.dk> - 2013-01-26 13:26 -0500
      Re: The first 10 files Robert Klemme <shortcutter@googlemail.com> - 2013-01-26 22:15 +0100
        Re: The first 10 files Arne Vajhøj <arne@vajhoej.dk> - 2013-01-26 16:25 -0500
        Re: The first 10 files Eric Sosman <esosman@comcast-dot-net.invalid> - 2013-01-26 17:06 -0500
          Re: The first 10 files Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2013-01-26 15:21 -0800
            Re: The first 10 files Eric Sosman <esosman@comcast-dot-net.invalid> - 2013-01-26 20:42 -0500
              Re: The first 10 files Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2013-01-26 17:56 -0800
                Re: The first 10 files Arne Vajhøj <arne@vajhoej.dk> - 2013-01-26 21:29 -0500
                Re: The first 10 files Eric Sosman <esosman@comcast-dot-net.invalid> - 2013-01-26 21:56 -0500
                Re: The first 10 files Jim Janney <jjanney@shell.xmission.com> - 2013-01-26 20:51 -0700
                Re: The first 10 files Jim Janney <jjanney@shell.xmission.com> - 2013-01-26 20:47 -0700
              Re: The first 10 files Arved Sandstrom <asandstrom2@eastlink.ca> - 2013-01-26 22:02 -0400
                Re: The first 10 files Arne Vajhøj <arne@vajhoej.dk> - 2013-01-26 21:35 -0500
                Re: The first 10 files Arne Vajhøj <arne@vajhoej.dk> - 2013-01-26 21:43 -0500
                Re: The first 10 files Robert Klemme <shortcutter@googlemail.com> - 2013-01-27 13:55 +0100
                Re: The first 10 files Arne Vajhøj <arne@vajhoej.dk> - 2013-02-24 17:50 -0500
                Re: The first 10 files Robert Klemme <shortcutter@googlemail.com> - 2013-02-25 21:53 +0100
                Re: The first 10 files Jim Janney <jjanney@shell.xmission.com> - 2013-01-26 20:57 -0700
                Re: The first 10 files Wojtek <nowhere@a.com> - 2013-01-26 21:20 -0800
                Re: The first 10 files Arved Sandstrom <asandstrom2@eastlink.ca> - 2013-01-27 07:23 -0400
                Re: The first 10 files Arne Vajhøj <arne@vajhoej.dk> - 2013-01-27 20:36 -0500
                Re: The first 10 files Wojtek <nowhere@a.com> - 2013-01-28 16:28 -0800
            Re: The first 10 files Arne Vajhøj <arne@vajhoej.dk> - 2013-01-26 21:23 -0500
            Re: The first 10 files Roedy Green <see_website@mindprod.com.invalid> - 2013-01-26 19:09 -0800
  Re: The first 10 files Jim Janney <jjanney@shell.xmission.com> - 2013-01-26 16:00 -0700
  Re: The first 10 files Knute Johnson <nospam@knutejohnson.com> - 2013-01-26 18:37 -0800
    Re: The first 10 files Wojtek <nowhere@a.com> - 2013-03-14 03:07 -0700
      Re: The first 10 files lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-03-14 12:49 +0000
      Re: The first 10 files Robert Klemme <shortcutter@googlemail.com> - 2013-03-15 11:38 +0100
        Re: The first 10 files Wojtek <nowhere@a.com> - 2013-03-15 10:31 -0700

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