Carl Johnson put forth on 1/24/2011 5:07 PM:
Stan Hoeppner s...@hardwarefreak.com writes:
Now we have 4 CPUs on two memory channels. If not for caches, you'd
see
no speedup past 2 Imagemagick processes. Which is pretty much the behavior
identified by another OP with an Athlon II
Stan Hoeppner wrote:
Bob Proulx put forth:
Here is some raw data from another test using GraphicsMagic from Debian
Sid on an Intel Core2 Quad CPU Q9400 @ 2.66GHz.
#CPUs real user sys
1 ... 32.17 100.15 2.29
2 ... 28.02 102.09 2.25
3 ... 26.96 101.41 2.02
4
Bob Proulx put forth on 1/24/2011 12:21 PM:
Stan Hoeppner wrote:
Why bother going up to 12 processes with a quad core chip? Anything
over 4 processes/threads won't gain you anything, as your results
above demonstrate.
I went to 12 because it would demonstrate the behavior three times
Stan Hoeppner s...@hardwarefreak.com writes:
Now we have 4 CPUs on two memory channels. If not for caches, you'd
see
no speedup past 2 Imagemagick processes. Which is pretty much the behavior
identified by another OP with an Athlon II x4 system--almost zeo speedup from
2
to 4
Carl Johnson wrote:
#CPUs time theoretical time-theoreticalgain/CPU(theoretical)
1 66
2 3666/2 = 33 36-33 = 3 (+9%) 1 -1/2 = 1/2
3 2566/3 = 22 25-22 = 3 (+14%)1/2-1/3 = 1/6
4 2066/4 = 16.5 20-16.5 = 3.5 (+21%)1/3-1/4 =
Bob Proulx put forth on 1/23/2011 8:16 PM:
Apparently I've missed some of the thread since my earlier participation.
Carl Johnson wrote:
#CPUs time theoretical time-theoreticalgain/CPU(theoretical)
1 66
2 3666/2 = 33 36-33 = 3 (+9%) 1 -1/2 = 1/2
3
Stan Hoeppner s...@hardwarefreak.com writes:
Carl Johnson put forth on 1/13/2011 11:34 AM:
Processors Time (seconds)
P1 66
P2 36
P3 25
P4 20
P5 20
P6 20
P7 20
P8 20
Your
On Sun, Jan 09, 2011 at 10:05:43AM -0600, Stan Hoeppner wrote:
I'm not very skilled at writing shell scripts.
#! /bin/sh
for k in $(ls *.JPG); do convert $k -resize 1024 $k; done
I use the above script to batch re-size digital camera photos after I
dump them to my web server. It takes a
Carl Johnson put forth on 1/13/2011 11:34 AM:
Processors Time (seconds)
P1 66
P2 36
P3 25
P4 20
P5 20
P6 20
P7 20
P8 20
I am sure the time would have increased if the system
Bob Proulx put forth on 1/12/2011 2:48 PM:
That makes a lot of sense to me. And also when cpu time divides by
1/N where N is the number of processes then if you have more convert
processes running then effectively that task will get more total time
than will the other tasks. A little bit
Stan Hoeppner s...@hardwarefreak.com writes:
Depending on the size of the photos one is converting, if they're relatively
small like my 8.3MP 1.8MB jpegs, I'd think something like a dual core Phenom
II
X2 w/ 6MB L3 cache and 21.4 GB/s memory b/w would likely continue to scale
with
On Tue, 11 Jan 2011 15:58:45 -0600, Stan Hoeppner wrote:
Camaleón put forth on 1/11/2011 9:38 AM:
I supposed you wouldn't care much in getting a script to run faster
with all the available core occupied if you had a modern (4 years)
cpu and plenty of speedy ram because the routine you
Stan Hoeppner wrote:
Bob Proulx put forth:
when otherwise it would be waiting for the disk. I believe what you
are seeing above is the result of being able to compute during that
small block on I/O wait for the disk interval.
That's gotta be a very small iowait interval. So small, in
Camaleón put forth on 1/12/2011 3:56 AM:
On Tue, 11 Jan 2011 15:58:45 -0600, Stan Hoeppner wrote:
Camaleón put forth on 1/11/2011 9:38 AM:
I supposed you wouldn't care much in getting a script to run faster
with all the available core occupied if you had a modern (4 years)
cpu and plenty
Bob Proulx put forth on 1/12/2011 1:11 PM:
Stan Hoeppner wrote:
Bob Proulx put forth:
when otherwise it would be waiting for the disk. I believe what you
are seeing above is the result of being able to compute during that
small block on I/O wait for the disk interval.
That's gotta be a
Stan Hoeppner wrote:
Frankly I'd rather not waste the time on it at this point. You
solved my original problem Bob! Thank again. That was the
important takeaway here. Now we're into minutia (which can be fun
but I'm spending way too much time on debian-user email the last few
days)
Glad
Camaleón put forth on 1/10/2011 2:11 PM:
Did'nt you run any test? Okay... (now downloading the sample images)
Yes, or course. I just didn't capture results to file. And it's usually better
if people see their own results instead of someone else' copy/paste.
2. On your dual processor, or
Dan Serban put forth on 1/10/2011 7:52 PM:
On Mon, 10 Jan 2011 12:04:19 -0600
Stan Hoeppner s...@hardwarefreak.com wrote:
[snip]
http://www.hardwarefreak.com/server-pics/
Which gallery system are you using? I quite like it.
That's the result of Curator:
http://furius.ca/curator/
I've
On Tue, 11 Jan 2011 07:13:47 -0600, Stan Hoeppner wrote:
Camaleón put forth on 1/10/2011 2:11 PM:
I used a VM to get the closest environment as you seem to have (a low
resource machine) and the above command (timed) gives:
I'm not sure what you mean by resources in this context. My box
Stan Hoeppner wrote:
Camaleón put forth:
real1m44.038s
user2m5.420s
sys 1m17.561s
It uses 2 convert proccesses so the files are being run on pairs.
And you can even get the job done faster if using -P8:
real1m25.255s
user2m1.792s
sys
Camaleón wrote:
No... I guess this is quite similar to the way most of the daemons do
when running in background and launch several instances (like amavisd-
new does)
That is an optimization to help with the latency overhead associated
with forking processes. In order to reduce the response
Camaleón put forth on 1/11/2011 9:38 AM:
I supposed you wouldn't care much in getting a script to run faster with
all the available core occupied if you had a modern (4 years) cpu and
plenty of speedy ram because the routine you wanted to run it should not
take many time... unless you were
Bob writes:
They do consume memory and cpu scheduling queue resources.
Very little, due to shared memory and copy-on-write.
--
John Hasler
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Bob writes:
Another negative is that other tasks then suffer.
That's what group scheduling is for.
--
John Hasler
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On Tue, 11 Jan 2011 09:18:48 -0600
Stan Hoeppner s...@hardwarefreak.com wrote:
Dan Serban put forth on 1/10/2011 7:52 PM:
On Mon, 10 Jan 2011 12:04:19 -0600
Stan Hoeppner s...@hardwarefreak.com wrote:
[snip]
http://www.hardwarefreak.com/server-pics/
Which gallery system are you
Bob Proulx put forth on 1/11/2011 3:08 PM:
Stan Hoeppner wrote:
Camaleón put forth:
real1m44.038s
user2m5.420s
sys 1m17.561s
It uses 2 convert proccesses so the files are being run on pairs.
And you can even get the job done faster if using -P8:
real1m25.255s
John Hasler put forth on 1/11/2011 4:12 PM:
Bob writes:
They do consume memory and cpu scheduling queue resources.
Very little, due to shared memory and copy-on-write.
In this case I don't think all that much memory is shared. Each process' data
portion is different as each processes a
Bob writes:
They do consume memory and cpu scheduling queue resources.
I wrote:
Very little, due to shared memory and copy-on-write.
Stan writes:
In this case I don't think all that much memory is shared. Each
process' data portion is different as each processes a different
picture file.
Karl Vogel put forth on 1/9/2011 6:04 PM:
On Sun, 09 Jan 2011 10:05:43 -0600,
Stan Hoeppner s...@hardwarefreak.com said:
S #! /bin/sh
S for k in $(ls *.JPG); do convert $k -resize 1024 $k; done
Someone was ragging on you to let the shell do the file expansion. I
like your way
On Sun, 09 Jan 2011 14:39:56 -0600, Stan Hoeppner wrote:
Camaleón put forth on 1/9/2011 12:12 PM:
Better if you check it, but I dunno how to get the compile options for
the lenny package... where is this defined, in source or diff packages?
You're taking this thread down the wrong path.
Camaleón put forth on 1/10/2011 8:08 AM:
On Sun, 09 Jan 2011 14:39:56 -0600, Stan Hoeppner wrote:
Camaleón put forth on 1/9/2011 12:12 PM:
Better if you check it, but I dunno how to get the compile options for
the lenny package... where is this defined, in source or diff packages?
You're
On Mon, 10 Jan 2011 12:04:19 -0600, Stan Hoeppner wrote:
Camaleón put forth on 1/10/2011 8:08 AM:
Good. It would be nice to see the results when you finally go it
working the way you like ;-)
Bob's xargs suggestion got it working instantly many hours ago. I'm not
sure of the results you
On Mon, 10 Jan 2011 12:04:19 -0600
Stan Hoeppner s...@hardwarefreak.com wrote:
[snip]
http://www.hardwarefreak.com/server-pics/
Which gallery system are you using? I quite like it.
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I'm not very skilled at writing shell scripts.
#! /bin/sh
for k in $(ls *.JPG); do convert $k -resize 1024 $k; done
I use the above script to batch re-size digital camera photos after I
dump them to my web server. It takes a very long time with lots of new
photos as the server is fairly old,
On Sun, Jan 09, 2011 at 10:05:43AM -0600, Stan Hoeppner wrote:
#! /bin/sh
for k in $(ls *.JPG); do convert $k -resize 1024 $k; done
I use the above script to batch re-size digital camera photos after I
dump them to my web server. It takes a very long time with lots of new
photos as the
On Sun, 09 Jan 2011 10:05:43 -0600, Stan Hoeppner wrote:
I'm not very skilled at writing shell scripts.
#! /bin/sh
for k in $(ls *.JPG); do convert $k -resize 1024 $k; done
I use the above script to batch re-size digital camera photos after I
dump them to my web server. It takes a very
Camaleón put forth on 1/9/2011 10:59 AM:
http://www.imagemagick.org/Usage/api/#speed
The above doc provides hints on how to speed-up image magick operations.
Note that multi-threading should be automatically used whether possible,
as per this paragraph:
***
# IM by default uses
On Sun, 09 Jan 2011 11:17:04 -0600, Stan Hoeppner wrote:
Camaleón put forth on 1/9/2011 10:59 AM:
***
# IM by default uses multiple threads for image processing operations.
That means you can have the computer do two or more separate threads of
image processing, it will be faster than a
Camaleón put forth on 1/9/2011 12:12 PM:
Better if you check it, but I dunno how to get the compile options for
the lenny package... where is this defined, in source or diff packages?
You're taking this thread down the wrong path. I asked for assistance
writing a simple script to do what I
Stan Hoeppner wrote:
I'm not very skilled at writing shell scripts.
#! /bin/sh
for k in $(ls *.JPG); do convert $k -resize 1024 $k; done
First off don't use ls to list files matching a pattern. Instead let
the shell match the pattern.
#! /bin/sh
for k in *.JPG; do convert $k -resize
On Sun, 09 Jan 2011 10:05:43 -0600,
Stan Hoeppner s...@hardwarefreak.com said:
S #! /bin/sh
S for k in $(ls *.JPG); do convert $k -resize 1024 $k; done
Someone was ragging on you to let the shell do the file expansion. I
like your way better because most scripting shells aren't smart
Karl Vogel wrote:
Stan Hoeppner said:
S for k in $(ls *.JPG); do convert $k -resize 1024 $k; done
Someone was ragging on you to let the shell do the file expansion. I
like your way better because most scripting shells aren't smart enough
to realize that when there aren't any .JPG
On Jan 9, 2011 3:09 PM, Stan Hoeppner s...@hardwarefreak.com wrote:
shawn wilson put forth on 1/9/2011 11:43 AM:
On Jan 9, 2011 12:17 PM, Stan Hoeppner s...@hardwarefreak.com wrote:
Camaleón put forth on 1/9/2011 10:59 AM:
http://www.imagemagick.org/Usage/api/#speed
The above doc
Bob Proulx put forth on 1/9/2011 3:12 PM:
GNU xargs has an extension to run jobs in parallel. This is already
installed on your system. (But won't work on other Unix systems.)
for k in *.JPG; do echo $k; done | xargs -I{} -P4 echo convert {} -resize
1024 {}
Verify that does what you
unfortunately that simple approach is harder to do with my renaming
scheme. So I would probably write a helper script that did the
options to convert and renamed the file and so forth.
for k in *.JPG; do
base=$(basename $k .JPG)
test -f $base.1024.jpg continue # skip if already
In 2011011500.46f09b...@kev.msw.wpafb.af.mil, Karl Vogel wrote:
On Sun, 09 Jan 2011 10:05:43 -0600,
Stan Hoeppner s...@hardwarefreak.com said:
S #! /bin/sh
S for k in $(ls *.JPG); do convert $k -resize 1024 $k; done
Someone was ragging on you to let the shell do the file expansion. I
I'm trying to control a BitTorrent seed from an init script. The
original init script (that I wrote) is in /etc/init.d/btseed. It starts
and stops a script that is in /usr/local/bin/btseed. This script just
starts btlaunchmany, which is used to seed multiple .torrents.
I couldn't get
On Sat, 2004-06-05 at 07:38, Oliver Elphick wrote:
Make the script executable and make sure the user under whose uid it
will run is able to connect with ssh without supplying a password.
How exactly would I do that? Make a user that doesn't have to supply a
password? Like the
Incoming from Oliver Elphick:
On Sat, 2004-06-05 at 07:38, Oliver Elphick wrote:
Make the script executable and make sure the user under whose uid it
will run is able to connect with ssh without supplying a password.
How exactly would I do that? Make a user that doesn't have to
Ive never used a cron job before or written that big of a script and was
hoping someone on this list could help me out, and tell me if it can be done
or not. I want to make a script that once a week, tar up my mail on my mail
server, copy it to another drive and send it to another machine over
Ive never used a cron job before or written that big of a script and was
hoping someone on this list could help me out, and tell me if it can be done
or not. I want to make a script that once a week, tar up my mail on my mail
server, copy it to another drive and send it to another machine over
On Sat, 2004-06-05 at 06:48, Computer Nick wrote:
Ive never used a cron job before or written that big of a script and was
hoping someone on this list could help me out, and tell me if it can be done
or not. I want to make a script that once a week, tar up my mail on my mail
server, copy it
On Sat, 2004-06-05 at 07:25, Nick Smith wrote:
The script (let's call it /usr/local/bin/mail-backup). Substitute real
values for the bits in square brackets:
#! /bin/bash
BACKUP_DIR=[backup directory]
tar czf $BACKUP_DIR/mail.backup.tar.gz [mail directory
I am a Windows Administrator trying to switch to Linux
Before i replaced my IIS web server with Apache
liked it very much .
Now i want to replace my Windows Firewall/Proxy Server
with linux ones .
On the first step I got a Linux compatible Modem but
am really stuck on this ppp script thing
can
Modem but
am really stuck on this ppp script thing
can someone help me oput here share a script with me
?
i will dail to my isp send the password in clear
text without any encription , this is the basic thing
i need
also tell me command i will use to dail i wont be
using any Xwindows
Faisal writes:
On the first step I got a Linux compatible Modem but am really stuck on
this ppp script thing can someone help me oput here share a script with
me ?
No need for scripts. Run pppconfig as root and answer the questions
(sounds like you will want to choose chat authentication
I have been trying to connect to my ISP for some time but without any
luck. When I use Windows I can connect without problems. Following is
the script that works in Windows:
; This is a script file that demonstrates how
; to establish a PPP connection with Compuserve,
; which requires changing
Jens K. Olsen wrote:
I have been trying to connect to my ISP for some time but without any
luck. When I use Windows I can connect without problems. Following is
the script that works in Windows:
; This is a script file that demonstrates how
; to establish a PPP connection with Compuserve,
It looks to me as if it gets stuck on the Host Name. When it gets the
UserID promt it sends the Host Name again
No. That is the other end echoing the HOSTNAME^M you sent. It is
hanging waiting for ser ID: Try telling it to expect just ID: .
Are you sure you are supposed to send the
dyer writes:
Have you tried using 'pppconfig' command?
Pppconfig is really just a special-purpose editor. It's great for ordinary
ISPs, but given Compuserv's whacky special requirements he is better off
just editing /etc/chatscripts/provider by hand as he has done.
--
John Hasler
[EMAIL
John Hasler wrote:
It looks to me as if it gets stuck on the Host Name. When it gets the
UserID promt it sends the Host Name again
No. That is the other end echoing the HOSTNAME^M you sent. It is
hanging waiting for ser ID: Try telling it to expect just ID: .
Thank you very much
Jens K. Olsen writes:
Oh, I am sorry. I am not sending the string HOSTNAME. I edited the copies
of my /var/log/ppp.log and /etc/chatscripts/provider. I substituted the
actual phone number, host name, login, and password with PHONENUMBER,
HOSTNAME, LOGIN, and PASSWORD. I don't want to put that
Hallo,
I am just starting to use small bash scripts on my system and I enjoy it.
I am using the following bash script to query my postgresql database using
van (surname) as search field:
time echo select noemnaam,van,adres1,telefoon,werktelefoon,selfoon,faks
from lidmate,besoekpunt where
On Fri, Jan 22, 1999 at 03:18:40PM +0200, Johann Spies wrote:
Hallo,
I am just starting to use small bash scripts on my system and I enjoy it.
I am using the following bash script to query my postgresql database using
van (surname) as search field:
time echo select
Can anyone help me with loadlin?
At 05:27 PM 8/27/98 -0700, you wrote:
Hello,
I'm trying to install Debian 2.0 (my first Linux experience) and I'm
having trouble with the install script. Something to do with my
SCSI devices seems to be causing the install script to loop endlessly.
The text
At 02:32 PM 8/29/98 -0400, Bob Bernstein wrote:
>On Sat, 29 Aug 1998, Jerry E. McGoveran wrote:
>
>> Can anyone help me with loadlin?
>
>Just out of curiosity, why are you using loadlin?
>
Actually, I'm running the install.bat command to begin installation. It
calls loadlin. The exact command
On Sat, 29 Aug 1998, Jerry E. McGoveran wrote:
Actually, I'm running the install.bat command to begin installation.
It calls loadlin. The exact command is:
/smallerloadlin linux root=/dev/ram initrd=root.bin
Is there another way to install? I really need to see a log file.
The only
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