From: "Iñaki Baz Castillo" <ibc@aliax.net>
To: ruby.io.splice@librelist.com
Subject: Re: Some benchmarks
Date: Mon, 27 Dec 2010 18:33:39 +0100 [thread overview]
Message-ID: <AANLkTimBrXN-6BXK-ifaCLFrznQhQqXqW1dhJq0CtHFO@mail.gmail.com> (raw)
In-Reply-To: AANLkTinWjEtU-aa-paHaw042jrt-AveWzwNfQqfhM1dS@mail.gmail.com
[-- Attachment #1: Type: text/plain, Size: 1850 bytes --]
2010/12/23 Iñaki Baz Castillo <ibc@aliax.net>:
>> Try it on a tmpfs mount.
>
> Yes, that would be my next test.
Hummm, I get "non expected" results when using a tmpfs as destination
for the copy. I attach a new test file which makes usage of IO splice
in different ways ("manual", using IO objects and using file names).
Results:
Test data:
- Source file size: 464 bytes
- Number of iterations: 1
Results:
- FileUtils.cp: 0.0004868507385253906
- FileUtils.copy_stream: 7.581710815429688e-05
- IO.splice (manual): 0.0004825592041015625
- IO.splice (using IO): 0.00017380714416503906
- IO.splice (using file names): 0.00012922286987304688
Test data:
- Source file size: 464 bytes
- Number of iterations: 100
Results:
- FileUtils.cp: 0.005738258361816406
- FileUtils.copy_stream: 0.0026025772094726562
- IO.splice (manual): 0.038815975189208984
- IO.splice (using IO): 0.016385793685913086
- IO.splice (using file names): 0.009386062622070312
Test data:
- Source file size: 1156222 bytes
- Number of iterations: 1
Results:
- FileUtils.cp: 0.0017499923706054688
- FileUtils.copy_stream: 0.0020220279693603516
- IO.splice (manual): 0.001650094985961914
- IO.splice (using IO): 0.001832723617553711
- IO.splice (using file names): 0.0017614364624023438
Test data:
- Source file size: 1156222 bytes
- Number of iterations: 100
Results:
- FileUtils.cp: 0.20581936836242676
- FileUtils.copy_stream: 0.19777441024780273
- IO.splice (manual): 0.1709754467010498
- IO.splice (using IO): 0.19835829734802246
- IO.splice (using file names): 0.1958324909210205
--
Iñaki Baz Castillo
<ibc@aliax.net>
next prev parent reply other threads:[~2010-12-27 17:33 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <AANLkTi=M+qGa7G1PvYyB+fbJUzrersJQwtDkct3hZEiy@mail.gmail.com>
2010-12-22 14:01 ` Some benchmarks Iñaki Baz Castillo
2010-12-22 19:56 ` Eric Wong
2010-12-23 15:41 ` Iñaki Baz Castillo
2010-12-23 18:06 ` Eric Wong
2010-12-27 10:01 ` Iñaki Baz Castillo
2010-12-27 17:33 ` Iñaki Baz Castillo [this message]
2010-12-27 21:38 ` Eric Wong
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