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Date:	Mon, 18 Dec 2023 08:05:14 +0100
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Subject:	Re: Catastrophic Cygwin find . -ls, grep performance on samba share
	compared to WSL&Linux
To:	cygwin AT cygwin DOT com
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From:	Marco Atzeri via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	Marco Atzeri <marco DOT atzeri AT gmail DOT com>
Sender:	"Cygwin" <cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com>

On 18/12/2023 07:53, Dan Shelton via Cygwin wrote:
> On Mon, 18 Dec 2023 at 07:49, Marco Atzeri via Cygwin <cygwin AT cygwin DOT com> wrote:
>>

>>
>> Is your cygserver running ?
> 
> Yes, Cygserver is running
> 
> Dan

Hi Dan,

the fact that you have only a factor 2 to 4 compared to WSL and Debian
tell me that Cygwin is very effective as User space enviroment.


1. time find . >/dev/null
Cygwin 86 seconds
WSL 23 seconds
Debian 19 seconds

2. time find . -ls >/dev/null
Cygwin 129 seconds
WSL 38 seconds
Debian 32 seconds

3. time grep -r -E NOMATCH 2>/dev/null
Cygwin 390 seconds
WSL 144 seconds
Debian 141 seconds

Cygwin can not go faster than the engine below and there are
several cubersome tricks to handle the POSIX compliance

I have seen worst timing trying to emulate  Unix Layer on top of
a not supporting Microsoft environment.

Regards
Marco



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