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| From: | "Michael Bax" <bax3 AT bigfoot DOT com (NO.SPAM)> |
| To: | <cygwin AT cygwin DOT com> |
| Subject: | Cygwin 1.5.5-1: cp to network 100% slower than cmd's copy |
| Date: | Tue, 11 Nov 2003 07:58:32 -0800 |
| Message-ID: | <IMEDKPLHDOLIKADDEMBGGEFCCBAA.bax3(NO.SPAM)@bigfoot.com> |
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Hi
I am aware than Cygwin network operations are slower than native Windows
operations, but is a factor of 2-3 reasonable?
>time cp 15MBfile /cygdrive/i/1
0.18u 2.04s 0:19.96 11.1%
>time cp 15MBfile //igl/home/2
0.21u 1.77s 0:20.20 9.8%
>time cmd /c copy 15MBfile i:\3
1 file(s) copied.
0.02u 0.02s 0:09.89 0.4%
On longer files the operation has been closer to 3 times slower.
Why is the CPU usage so much higher (~20x?)
This is on a fresh installation of Cygwin DLL 1.5.5-1 running on Windows
2000 SP4.
Cheers
Michael
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Cygwin Win95/NT Configuration Diagnostics [edited]
Current System Time: Tue Nov 11 07:07:12 2003
Windows 2000 Professional Ver 5.0 Build 2195 Service Pack 4
Path: C:\Progra~1\Cygwin\usr\local\bin
C:\Progra~1\Cygwin\bin
c:\WINNT\System32
c:\WINNT
c:\WINNT\System32\Wbem
c:\Program Files\Cygwin\bin
C:\Progra~1\Cygwin\usr\X11R6\bin
SysDir: C:\WINNT\system32
WinDir: C:\WINNT
CYGWIN = `nontsec'
HOME = `c:\Users\MBax'
MAKE_MODE = `unix'
PWD = `/cygdrive/c/Users/MBax'
USER = `mbax'
Cygwin Package Information
Last downloaded files to: C:\Install\Software\Cygwin\Cygwin 1.5.5-1
Last downloaded files from: http://mirrors.rcn.net/pub/sourceware/cygwin
Package Version
_update-info-dir 00223-1
ash 20031007-1
base-files 2.6-1
base-passwd 1.1-1
bash 2.05b-16
binutils 20030901-1
bzip2 1.0.2-5
clear 1.0-1
crypt 1.1-1
cygipc 2.02-1
cygrunsrv 0.96-2
cygutils 1.2.2-1
cygwin 1.5.5-1
cygwin-doc 1.3-6
diffutils 2.8.4-1
ed 0.2-1
editrights 1.01-1
expat 1.95.6-2
fileutils 4.1-2
findutils 4.1.7-4
fontconfig 2.2.0-1
freetype2 2.1.5-1
gawk 3.1.3-4
gcc 3.3.1-3
gcc-g++ 3.3.1-3
gcc-mingw-core 20031020-1
gcc-mingw-g++ 20031020-1
gdb 20030919-1
gdbm 1.8.3-7
gettext 0.12.1-3
ghostscript 7.05-2
ghostscript-base 7.05-2
grep 2.5-1
groff 1.18.1-2
gzip 1.3.5-1
jbigkit 1.5-3
jpeg 6b-11
less 381-1
libbz2_1 1.0.2-5
libdb4.1 4.1.25-1
libfontconfig-devel 2.2.0-1
libfontconfig1 2.2.0-1
libfreetype2-devel 2.1.5-1
libfreetype26 2.1.5-1
libgdbm 1.8.0-5
libgdbm-devel 1.8.3-7
libgdbm3 1.8.3-3
libgdbm4 1.8.3-7
libgettextpo0 0.12.1-3
libiconv2 1.9.1-3
libintl 0.10.38-3
libintl1 0.10.40-1
libintl2 0.12.1-3
libjpeg62 6b-11
libjpeg6b 6b-8
libncurses5 5.2-1
libncurses6 5.2-8
libncurses7 5.3-4
libpcre 4.1-1
libpcre0 4.4-2
libpng 1.2.5-4
libpng12 1.2.5-4
libpng2 1.0.12-1
libpopt0 1.6.4-4
libreadline4 4.1-2
libreadline5 4.3-5
libtiff-devel 3.6.0-5
libtiff3 3.6.0-2
libtiff4 3.6.0-5
login 1.9-7
make 3.80-1
man 1.5j-2
mingw-runtime 3.2-1
mktemp 1.5-3
more 2.11o-1
ncurses 5.3-4
openssh 3.7.1p2-2
openssl 0.9.7c-1
pcre 4.4-2
pcre-doc 4.4-2
perl 5.8.2-1
perl_manpages 5.8.2-1
pinfo 0.6.8-1
readline 4.3-5
regex 4.4-3
rsync 2.5.6-2
rxvt 2.7.10-3
sed 4.0.7-3
sh-utils 2.0.15-4
tar 1.13.25-3
tcltk 20030901-1
tcsh 6.12.00-7
termcap 20021106-2
terminfo 5.3_20030726-1
texinfo 4.2-4
textutils 2.0.21-1
tiff 3.6.0-5
transfig 3.2.4-2
vim 6.2.098-1
w32api 2.4-1
wget 1.9-1
which 1.5-2
whois 4.6.7-1
Xaw3d 1.5D-4
xfig 3.2.4-5
xfig-lib 3.2.4-5
XFree86-base 4.3.0-1
XFree86-bin 4.3.0-7
XFree86-bin-icons 4.3.0-5
XFree86-doc 4.3.0-1
XFree86-etc 4.3.0-5
XFree86-f100 4.2.0-3
XFree86-fenc 4.2.0-3
XFree86-fnts 4.2.0-3
XFree86-fscl 4.2.0-3
XFree86-fsrv 4.3.0-5
XFree86-html 4.3.0-1
XFree86-lib 4.3.0-1
XFree86-lib-compat 4.3.0-2
XFree86-man 4.3.0-2
XFree86-prog 4.3.0-10
XFree86-startup-scripts 4.2.0-5
XFree86-xserv 4.3.0-22
zlib 1.1.4-4
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