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From: "Anonymous" <unknown_kev_cat AT hotmail DOT com>
Subject:  Re: Serious performance problems (new snapshot has some performance  improvement)
Date:  Mon, 30 May 2005 15:09:29 -0400
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Message-ID: <d7fo8b$uda$1@sea.gmane.org>
References:  <000b01c563c7$f4456f00$976d65da AT DANNY> <4298F195 DOT 9090600 AT familiehaase DOT de> <20050529000152 DOT GE3094 AT trixie DOT casa DOT cgf DOT cx> <20050529001846 DOT GG3094 AT trixie DOT casa DOT cgf DOT cx> <20050529030523 DOT GA10263 AT trixie DOT casa DOT cgf DOT cx> <20050529171324 DOT GA26603 AT trixie DOT casa DOT cgf DOT cx> <429A19EC DOT 9080905 AT familiehaase DOT de> <20050529201431 DOT GB28340 AT trixie DOT casa DOT cgf DOT cx>
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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-basic cygspd.dat
0:19.60 0.03 19.50
$ /bin/time -f "%E %S %U" cygspd-o7 cygspd.dat
0:16.12 0.08 15.69
$ /bin/time -f "%E %S %U" cygspd-ne cygspd.dat
0:15.03 0.10 14.73
$ /bin/time -f "%E %S %U" cygspd-ne-o7 cygspd.dat
0:14.09 0.05 13.96

$ /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-basic cygspd.dat
0:13.32 0.07 13.12
$ /bin/time -f "%E %S %U" cygspd-o7 cygspd.dat
0:10.58 0.05 10.47
$ /bin/time -f "%E %S %U" cygspd-ne cygspd.dat
0:10.65 0.06 10.53
$ /bin/time -f "%E %S %U" cygspd-ne-o7 cygspd.dat
0:09.78 0.04 9.73

$ /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


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