Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sources.redhat.com/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sources.redhat.com/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com
Date: Mon, 8 Sep 2003 17:05:22 -0400
From: Christopher Faylor <cgf-rcm AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: latest cygcheck -c is expensive
Message-ID: <20030908210522.GI27113@redhat.com>
Reply-To: cygwin AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
References: <20030905124047 DOT GD1852 AT tishler DOT net> <Pine DOT GSO DOT 4 DOT 56 DOT 0309051113580 DOT 26266 AT slinky DOT cs DOT nyu DOT edu> <20030905190127 DOT GB4483 AT redhat DOT com> <20030906004249 DOT GO1852 AT tishler DOT net> <20030907042805 DOT GA22596 AT redhat DOT com> <20030907043021 DOT GA22644 AT redhat DOT com> <20030908115016 DOT GC2128 AT tishler DOT net> <20030908153621 DOT GE5065 AT redhat DOT com> <20030908203203 DOT GE1888 AT tishler DOT net>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20030908203203.GE1888@tishler.net>
User-Agent: Mutt/1.4.1i

On Mon, Sep 08, 2003 at 04:32:04PM -0400, Jason Tishler wrote:
>Chris,
>
>On Mon, Sep 08, 2003 at 11:36:21AM -0400, Christopher Faylor wrote:
>> On Mon, Sep 08, 2003 at 07:50:16AM -0400, Jason Tishler wrote:
>> >BTW, I tried to give cygcheck from the 2003-Sep-08 snapshot a ride.
>> >The ChangeLog and diff seem to indicate the required changes have
>> >been completed.  Unfortunately, my timing showed no difference and
>> >objdump showed no dependency on Mingw zlib:
>> >
>> >    $ objdump -p cygcheck.exe | fgrep 'DLL Name:'
>> >            DLL Name: msvcrt.dll
>> >            DLL Name: msvcrt.dll
>> >            DLL Name: ADVAPI32.DLL
>> >            DLL Name: KERNEL32.dll
>> >
>> >Is the above cockpit error on my part?
>> 
>> Well, sort of, if you are expecting cygcheck to be linked with a mingw
>> zlib DLL.  zlib is linked statically.
>
>Doh!
>
>> I don't know why you aren't seeing a speedup.  It's substantial on my
>> system.  On my PII 500 at work, the difference is 55 seconds for the
>> new cygcheck and 1:29 on the old.  That's not as good as my previously
>> posted figures but it should still be noticeable.  In fact, if you are
>> running from a console window you can even see the difference in that
>> the title bar doesn't flicker.
>
>I see a minor speed up (now) -- 1:24 versus 1:18.  Note this is on my
>laptop.  Maybe the disk subsystem is so slow as to dominate the
>throughput?

In that case, loading gzip.exe once for every package file should have
shown a substantial penalty.

Maybe you have fewer packages loaded than I do?

cgf

--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/