delorie.com/archives/browse.cgi | search |
Mailing-List: | contact cygwin-help AT cygwin DOT com; run by ezmlm |
List-Subscribe: | <mailto:cygwin-subscribe AT cygwin DOT com> |
List-Archive: | <http://sourceware.org/ml/cygwin/> |
List-Post: | <mailto:cygwin AT cygwin DOT com> |
List-Help: | <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/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 |
Message-ID: | <429C36CF.9050001@familiehaase.de> |
Date: | Tue, 31 May 2005 12:05:03 +0200 |
From: | "Gerrit P. Haase" <gerrit AT familiehaase DOT de> |
User-Agent: | Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7.8) Gecko/20050511 |
MIME-Version: | 1.0 |
To: | cygwin AT cygwin DOT com |
Subject: | Re: Serious performance problems (new snapshot has some performance improvement) |
References: | <000b01c563c7$f4456f00$976d65da AT DANNY> <d7fo8b$uda$1 AT sea DOT gmane DOT org> <429B78A5 DOT 2050107 AT familiehaase DOT de> <200505302322 DOT 00623 DOT ralf DOT habacker AT freenet DOT de> |
In-Reply-To: | <200505302322.00623.ralf.habacker@freenet.de> |
X-IsSubscribed: | yes |
ralf DOT habacker AT freenet DOT de wrote: > Am Montag, 30. Mai 2005 22:33 schrieb Gerrit P. Haase: > >>Anonymous wrote: >> >> >>>My System: >>>#Set-up: >>> >>>$ g++ cygspd.cc -o cygspd-basic >>>$ g++ -O7 cygspd.cc -o cygspd-o7 >>>$ g++ -fno-exceptions cygspd.cc -o cygspd-ne >>>$ g++ -O7 -fno-exceptions cygspd.cc -o cygspd-ne-o7 >>>$ g++ -mno-cygwin cygspd.cc -o cygspd-mingw >>>$ g++ -O7 -mno-cygwin cygspd.cc -o cygspd-mingw-o7 >>>$ g++ -fno-exceptions -mno-cygwin cygspd.cc -o cygspd-mingw-ne >>>$ g++ -O7 -fno-exceptions -mno-cygwin cygspd.cc -o cygspd-mingw-ne-o7 >>> >>># cygwin.dll 1.5.17 >> >>[...] >> >>>$ /bin/time -f "%E %S %U" cygspd-mingw cygspd.dat >>>0:03.11 0.00 0.02 >>>$ /bin/time -f "%E %S %U" cygspd-mingw-o7 cygspd.dat >>>0:01.50 0.01 0.02 >>>$ /bin/time -f "%E %S %U" cygspd-mingw-ne cygspd.dat >>>0:02.60 0.00 0.02 >>>$ /bin/time -f "%E %S %U" cygspd-mingw-ne-o7 cygspd.dat >>>0:01.50 0.01 0.01 >>> >>>#Snapshot DLL (No changes were made except swapping the dll. >> >>[...] >> >>>$ /bin/time -f "%E %S %U" cygspd-mingw cygspd.dat >>>0:02.78 0.00 0.01 >>>$ /bin/time -f "%E %S %U" cygspd-mingw-o7 cygspd.dat >>>0:01.51 0.01 0.01 >>>$ /bin/time -f "%E %S %U" cygspd-mingw-ne cygspd.dat >>>0:02.52 0.00 0.02 >>>$ /bin/time -f "%E %S %U" cygspd-mingw-ne-o7 cygspd.dat >>>0:01.45 0.00 0.01 >> >>Interesting, why is it faster when running a binary that doesn't >>depend on cygwin1.dll after swapping the DLL? Some Win caching mechanism? > > > I recognized this caching behavior with KDE/cygwin too. Under > http://cvs.sourceforge.net/viewcvs.py/kde-cygwin/tools/fillmem/ there is a > tool, which could be used to minimize this influcence by clearing this cache. > See the README for more informations. GlobalMemoryStatusEx is only available on Win2k and WinXP. Gerrit -- =^..^= -- 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/
webmaster | delorie software privacy |
Copyright © 2019 by DJ Delorie | Updated Jul 2019 |