10 More Discussions You Might Find Interesting
1. Programming
I have noticed the difference in byte swap timing between two Ubuntu systems. The bswap_32 used to work just fine on the old system, but on the new one it lags behind home-grown swap.
My code:
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <byteswap.h>
#include... (4 Replies)
Discussion started by: migurus
4 Replies
2. Shell Programming and Scripting
I have two shell scripts, one written with xargs for parallel processing (p1) and the other written in old school way (p3) .
when I execute them, i get the below values.
$ time ./p1
real 0m25.36s
user 0m0.32s
sys 0m0.80s
$ time ./p3
real 0m23.25s
user 0m6.20s
sys ... (4 Replies)
Discussion started by: luhah
4 Replies
3. Shell Programming and Scripting
Hi all,
This is my first post.
I am new to unix scripting.
My requirement is as follows :
We are using a financial backoffice application.
Now at the end of day we have send users a status report stating all timings of EOD processes for all countries.
I need timings for following... (0 Replies)
Discussion started by: ammbhhar
0 Replies
4. Shell Programming and Scripting
I have a Bash script where, in a loop, I access several urls.
Sometimes, if an url is not available, lynx hangs, and the script does not continue. How can I time out the lynx request when it takes more than, 10 Seconds, but continue with the other jobs...
For some reason lynx does not care... (1 Reply)
Discussion started by: lowmaster
1 Replies
5. Programming
Hello there, I just needed to know how to get the timing right when using the gcc __builtin_prefetch() function, that is, how many instructions before the actual utilization of the data should I make the prefetch call.
I will be measuring the L1 cache hit rate with valgrind's cachegrind,... (3 Replies)
Discussion started by: Tavo
3 Replies
6. Programming
hi everyone. If you have a function created in your code and you want to find out how long it takes for it to run you can use a struct called gettimeofday().
so lets say we have a function like this
int myfunction (int r)
{
/*some math calculations*/
return answer;
}
How do i set up... (3 Replies)
Discussion started by: bebop1111116
3 Replies
7. Shell Programming and Scripting
I need to make it so an autmated process which involves ssh, times out if ssh prompts for a password. Most of the time it shouldnt prompt for a password. But if it does i need it to time it out or get a status and stop the ssh and log that the ssh failed and move onto the next server. Is there any... (9 Replies)
Discussion started by: rcunn87
9 Replies
8. UNIX for Advanced & Expert Users
having problems using scp in that during peak hours it appears to time out.
anyone have similar experiences? any thoughts regarding a solution... (1 Reply)
Discussion started by: jph
1 Replies
9. Shell Programming and Scripting
Using a HTML page , i'm running a Unix ksh script with <a href=..>.
The script contains loop like this :
for i in
do
rsh.....
done
each rsh command is running quite long and then i would display results in HTML format but about 5mn my blank page waiting for result is running in error... (1 Reply)
Discussion started by: Nicol
1 Replies
10. Shell Programming and Scripting
hi guys..
i have a shell script that loops through a certain directory to see if a file has been created and then prints the file if it exists...
the only problem i have now is that sometimes the flat does not get created by the program thats supposed to create it, in this scenario, my loop... (1 Reply)
Discussion started by: wolkott
1 Replies