From: Andreas Ericsson <ae@op5.se>
To: git@wingding.demon.nl
Cc: Christopher Faylor <me@cgf.cx>, git@vger.kernel.org
Subject: Re: NT directory traversal speed on 25K files on Cygwin
Date: Mon, 27 Feb 2006 10:19:09 +0100 [thread overview]
Message-ID: <4402C40D.2010805@op5.se> (raw)
In-Reply-To: <20060226231701.GA11961@nospam.com>
Rutger Nijlunsing wrote:
> On Sun, Feb 26, 2006 at 02:55:52PM -0500, Christopher Faylor wrote:
>
>>On Thu, Feb 23, 2006 at 03:07:07PM +0100, Alex Riesen wrote:
>>
>>>filesystem is slow and locked down, and exec-attribute is NOT really
>>>useful even on NTFS (it is somehow related to execute permission and
>>>open files. I still cannot figure out how exactly are they related).
>>
>>Again, it's not clear if you're talking about Windows or Cygwin but
>>under Cygwin, in the default configuration, the exec attribute means the
>>same thing to cygwin as it does to linux.
>
>
> I don't know about native Windows speed, but comparing NutCracker with
> Cygwin on a simple 'find . | wc -l' already gives a clue that looking
> at Cygwin to benchmark NT file inspection IO will give a skewed
> picture:
>
Well, naturally. Cygwin is a userland implementation of a sane
filesystem on top of a less sane one. File IO is bound to be slower when
one FS is emulated on top of another. I think cygwin users are aware of
this and simply accept the speed-for-sanity tradeoff. I know I would.
--
Andreas Ericsson andreas.ericsson@op5.se
OP5 AB www.op5.se
Tel: +46 8-230225 Fax: +46 8-230231
next prev parent reply other threads:[~2006-02-27 9:19 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-20 18:37 Should we support Perl 5.6? Johannes Schindelin
2006-02-20 19:10 ` Eric Wong
2006-02-20 21:01 ` Andreas Ericsson
2006-02-20 21:15 ` Junio C Hamano
2006-02-20 22:05 ` [PATCH] fmt-merge-msg: avoid open "-|" list form for Perl 5.6 Junio C Hamano
2006-02-20 22:12 ` [PATCH] rerere: " Junio C Hamano
2006-02-20 22:12 ` [PATCH] send-email: " Junio C Hamano
2006-02-20 22:12 ` [PATCH] svmimport: " Junio C Hamano
2006-02-20 22:19 ` [PATCH] cvsimport: " Junio C Hamano
2006-02-21 17:30 ` [PATCH] fmt-merge-msg: " Alex Riesen
2006-02-21 20:36 ` Sam Vilain
2006-02-21 21:57 ` Alex Riesen
2006-02-21 22:19 ` Johannes Schindelin
2006-02-21 22:35 ` Eric Wong
2006-02-21 22:38 ` Shawn Pearce
2006-02-21 23:00 ` Martin Langhoff
2006-02-21 22:38 ` Sam Vilain
2006-02-22 16:35 ` Alex Riesen
2006-02-22 19:44 ` Johannes Schindelin
2006-02-22 19:51 ` Sam Vilain
2006-02-22 19:54 ` Junio C Hamano
2006-02-22 22:00 ` Johannes Schindelin
2006-02-22 22:25 ` Junio C Hamano
2006-02-23 8:00 ` Alex Riesen
2006-02-23 8:45 ` Junio C Hamano
2006-02-23 9:35 ` Alex Riesen
2006-02-23 9:41 ` Alex Riesen
2006-02-23 9:48 ` Andreas Ericsson
2006-02-23 10:10 ` Alex Riesen
2006-02-23 13:29 ` Andreas Ericsson
2006-02-23 14:07 ` Alex Riesen
2006-02-23 14:22 ` Andreas Ericsson
2006-02-23 17:13 ` Linus Torvalds
2006-02-23 19:32 ` Junio C Hamano
2006-02-23 19:38 ` Johannes Schindelin
2006-02-23 19:54 ` Linus Torvalds
2006-02-23 20:19 ` Johannes Schindelin
2006-02-23 19:51 ` Linus Torvalds
2006-02-23 20:31 ` Sam Vilain
2006-02-24 6:43 ` Linus Torvalds
2006-02-23 21:43 ` Alex Riesen
2006-02-26 19:55 ` Christopher Faylor
2006-02-26 20:18 ` Linus Torvalds
2006-02-26 20:40 ` Christopher Faylor
2006-03-02 14:18 ` Alex Riesen
2006-03-02 15:18 ` Mark Wooding
2006-03-02 16:11 ` Alex Riesen
2006-03-02 15:22 ` Christopher Faylor
2006-03-02 16:20 ` Alex Riesen
2006-02-26 23:17 ` NT directory traversal speed on 25K files on Cygwin Rutger Nijlunsing
2006-02-27 1:18 ` Christopher Faylor
2006-02-27 18:30 ` Rutger Nijlunsing
2006-02-27 18:34 ` Christopher Faylor
2006-02-27 9:19 ` Andreas Ericsson [this message]
2006-02-27 18:45 ` Rutger Nijlunsing
2006-03-02 13:40 ` Alex Riesen
2006-03-02 14:10 ` [PATCH] fmt-merge-msg: avoid open "-|" list form for Perl 5.6 Alex Riesen
2006-03-02 15:00 ` Christopher Faylor
2006-03-02 16:10 ` Alex Riesen
2006-03-02 17:39 ` Andreas Ericsson
2006-03-02 22:01 ` Alex Riesen
2006-02-26 20:33 ` Christopher Faylor
2006-02-24 12:02 ` Eric Wong
2006-02-24 13:44 ` Johannes Schindelin
2006-02-24 16:14 ` Linus Torvalds
2006-02-21 20:56 ` Eric Wong
2006-02-21 22:04 ` Alex Riesen
[not found] ` <1cf1c57a0602211412r1988b14ao435edd29207dc0d0@mail.gmail.com>
2006-02-21 22:13 ` Ron Parker
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