How can I measure performance time?
I need to performance tune all my reports. Is there a way to run a report and have it give me its processing time? I could not find a function or special field that would provide this info.
Allison,
If you go to the Report menu at the bottom there is an option Performance Information...Within there there is an option for Performance Timing. It will detail the time it takes to open a report, time to format a page, time to run the query etc...
Similar Messages
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How can we measure the time of excecution of our Java program?
i have a java application program which runs depend upon the user input.
I want to analyze how my application works.
So i want to measure the time of execution.How can i do it?makpandian wrote:
..i want to measure the time of execution.
long startTime = System.currentTimeMillis()
doTimeConsumingTask();
long endTime = System.currentTimeMillis()
System.out.println( "The task took " + (startTime-endTime)/1000 + " seconds." ); Edit 1:
I see I was 'too slow off the mark' by 5 minutes. ;)
Edited by: AndrewThompson64 on Jul 19, 2009 10:58 PM -
Hello
I'm trying to measure the time in seconds between each two successive rising edges on a digital input .
Till now I have managed to detect the rising edge ,increment a counter with each rising edge ,and snap the time at which the rising edge happenned
all I need now is to subtract the current rising edge time from the previous rising edge time in order to calculate (T) which can be 1/frequency and display it in realtime to the user.
but I don't know how to do this
Can somebody please help me !!!
note: the time that I'm measuring ranges between 200 ms - 2 seconds
Solved!
Go to Solution.
Attachments:
Counter without time.vi 11 KBCheers for that. It's always a good idea to post your SubVIs as well - the problem could be in one of those.
To help you out:
You already know how to use shift registers so why not use one again for time? Create a new shift register for the time then simply compare the "rising edge time" to the the previous time stored in the shift register and then write the new time to the shift register.
Just a few other pointers:
1. You'll want to initialise your shift registers ie wire a constant to the left hand register outside of the loop. This will cause the register to be reset each time the program is run. This is so that your counter will start from zero each time you run your code.
2. You don't need to use the "greater than?" compare function with boolean as they can only be true or false (1 or 0)! The "Equal?" function is what you should use here.
3. Lastly, it's a small thing but you can use the same tunnel that feeds into a case structure in each of the cases - no need to create two tunnels for the true and false cases, use the same one.
-CC
"If anyone needs me, I'll be in the Angry Dome!" -
Hello
I'm trying two measure the time in seconds between each two successive rising edges on a digital input .
Till now I have managed to detect the rising edge ,increment a counter with each rising edge ,and snap the time at which the rising edge happenned
all I need now is to subtract the current rising edge time from the previous rising edge time in order to calculate (T) which can be 1/frequency and display it in realtime to the user.
but I don't know how to do this
Can somebody please help me !!!
Solved!
Go to Solution.
Attachments:
Counter without time.vi 11 KBWoah!
Sorry Apok, but your code is becoming way too complicated/messy. I don't think that all of those shift registers or boolean conversion/operators are needed at all.
If you want to measure the timing between two button presses then this is a different (much less complicated) way. It simply records the timing of the button press into a shift register then compares the two.
Spoiler (Highlight to read)
Of course this is a very quick and basic solution just to show you that it can be much simpler than you are making it (remember to use the mechanical actions of the buttons to get the behaviour you want).
A better way would be to use an event structure looking at value changes of the buttons to determine the timings between clicks.
-CC
"If anyone needs me, I'll be in the Angry Dome!"
Attachments:
Time between clicks.vi 9 KB -
How can i measure the time between a pulse output and a pulse back on the input?
Llo,
I have a problem i use a ultrsonic sensor, and when i send a pulse out of 4V then a couple of ms i have a pulse back on the input, how can i exactly know how much time there is between the 2 ^pulse??Use the output pulse to trigger a counter in period measuring mode and stop the counter on the return signal (if the input return signal is large enough to reliably trigger a logic circuit). If the signal is not large enough to trigger the counter directly, an external comparator can be used to generate the stop signal.
Another approach is to use two channels of analog input. Feed the output signal to one of them and the return signal to the other channel. The time between outgoing and return pulses can be determined from the sampling rate. If precise timing is required and your AI board does not have simultaneous sampling, you have to account for the inter-channel time as well.
Lynn -
I have used NI USB-6008 (DAQ) to sample a continous signal, after sampling I compared the amplitude of the resulted signal with a value. If the amplitude is greater than a specific value (threshold) then it can pass. Now I want to measure the time difference between the resulted samples. The samples look like spikes. (May be if I trigger a timer, then I can measuer the time difference, but I have not seen such a timer).
Thanks in advance,
SaraydinOops just occured to me that you are using a 6009 which is not very fast, 48ks/sec, this will not get you very much time resolution and you could have issues seeing much of a 50 us sample. Another approach is to use the counter but you would have to preprocess the spikes to generate a trigger for the counter.
Paul
Paul Falkenstein
Coleman Technologies Inc.
CLA, CPI, AIA-Vision
Labview 4.0- 2013, RT, Vision, FPGA -
Mail has 16k messages, and performance is very slow, with loading times taking up to 5 seconds every time I open Mail.
How can I increase performance?
I'm running a MacBook Air 4GB 1.7GHz 10.7.2.
GrahamOne possible solution would be to organise your inbox into folders.
Its never relly good on any system to have one folder that has everything in it.
Try going to you web gui for that mail account and organise your folders and move mails from your inbox into corresponding folders for better organisation.
Several folders containing the same amount of one folder will usually load a little quicker as the folder may not be accessed to download its content unless veiwed.
So having 10 folders with organised content, and you inbox as an area thats to hold only new emails would work much much quicker with imap.
Most imap servers will only update the contents of a folder when its veiwed. -
In version 3.x.x I used to be able to type search terms into the address bar and the page would load, similar to Google's "Feeling Lucky" button. Now it just brings up a Google search for the terms I typed in. How can I get this time saving feature back?
The change between Firefox 3.6.* and Firefox 4 is how location bar search works. In Firefox 3.6 it uses Google "Browse by name" search. With the browse by name search, it performs a Google search and if there is a clear match it will take you to the site, otherwise it shows the Google search result. With Firefox 4 it just performs a Google search if you type something which is not recognised as a URL.
To get the Firefox 3.6 behaviour on Firefox 4 you need to change a hidden preference.
# Type '''about:config''' into the location bar and press enter
# Accept the warning message that appears, you will be taken to a list of preferences
# Locate the preference '''keyword.URL''', double-click on it and change its value to the link shown below
[http://www.google.com/search?ie=UTF-8&oe=UTF-8&sourceid=navclient&gfns=1&q= http://www.google.com/search?ie=UTF-8&oe=UTF-8&sourceid=navclient&gfns=1&q=]
If you prefer, you can also do this by installing the Browse by Name extension - https://addons.mozilla.org/firefox/addon/browse-by-name -
How can i measure BAPI runtime which has called from JAVA
Hi abapers
how can i get run time for BAPI called from JAVA through JCO.
i know that i can use SE30 from ABAP by executing from SAP.
may be ST05 useful for me i did it but when display trace
i am getting big list by seeing this list i am not able to find the runtime for that BAPI.
please any one can explain
reagdrs
rameshHi Ramesh,
Irrespective of whether the call is from an external system or within sap, the bapi will be executed in R/3 only.
So, you can safely measure the runtime using se30 only.
If it is taking more time when called from JCo , then you can be sure that the problem is not with SAP and is actually due to the JCo connectivity with R/3.
Regards,
Ravi -
How can i measure the speed of the fan in sound and vibration signal simulator box
how can i measure the speed of the fan in sound and vibration signal simulator box
provided the values tach out:2 pulses/revolution and maximum speed = 6000rpmHi. I tried your suggestion and I could not get it to work well. In
fact it worked better without the running average (which suprised me).
I also played with the number of data points but still could not get it
to work well.
Do you have any other suggestions on how I could sort this problem out?
I
have attached a screen shot of the signal. To recap, I'm trying to
measure the'y' position of the flat regions of the signal. The signal
does not have a constant level, so this 'y' position varies with time
in a non-unform manner.
I am currently differentiating
the signal and selecting the y position when the differential is equal
to zero (within a tolerance band).
In the screenshot, the
signal has been zeroed using the method I have described above.
However, it occasionally has glitches which may be caused when the code
picks up a zero gradient at a peak or valley in the signal.
I therefore need some kind of algorithm that only measures the position of the flat regions.
Many thanks
John
Attachments:
screenshot.gif 121 KB -
How can I use my time capsule with windows7
How can I use my time capsule with windows7?
This is asked regularly.
https://discussions.apple.com/message/10978060#10978060
Look at the more like this. On the right column next to the post.
Load airport utility for windows.. which will also load bonjour for windows.
In windows explorer type \\TCname or \\TCipaddress (replacing with the actual values.. names with spaces will give you trouble so change all names in the TC to SMB compatible or actual ip address). -
How can I copy a time machine backup from one Time Capsule to another ?
How can I copy a time machine backup from one Time Capsule to another ? I bought a 1 Tb Time Capsule to replace my 512Mb Time Capsule. Now, I like to copy my time machine backup from the old Time Capsule to the new one so I can keep using my backup.
from this support article:
(click on image to enlarge) -
After a clean install, how can I continue using Time Machine?
After a clean install, how can I continue using Time Machine?
I booted from my recovery partition, erased my HD, installed the same OS, (Lion, 10.7.5) then restored from my TM.
If it asks if i want to use TM, I say yes. When I chose the drive, it seems to want to start all over, instead of just picking up where I left off.
Is there any way of picking up where I left off?Hi Frank,
You are sure you looking in your Library in /Users/YOUR_USERNAME/Library and not /Library at the top level of your harddrive?
When you open iCal what do you see? Are the calendars the two default Home and Work ones?
I really appreciate the responses -- especially if you are in the UK as opposed to Ontario.
Why, do you have something against London Ontario?
John M -
Hi! how can I set the time machine/capsule back-up intervals? Heron 2
HI! EVERYBODY,
HOW CAN I SYNC 2 TIME CAPSULES INSTALLED IN TWO DIFFERENT LOCATIONS, MAIN HOME AND SUMMER HOME?
THANK YOU FOR YOUR HELP.
MERCi
HERON2To use different backup intervals use TimeMachineEditor 2.5.3. I do not think syncing two Time Capsule to one another is feasible or possible. For all things Time Machine visit Pondini's Time Machine FAQ
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I have just installed a 2TB time capsule on my iMac i7, it see my second 1TB hard drive but the 256 SSD doesn't come up in the list of hard drives I can back up. How can I enable the time machine to see my first SSD 256gb hard drive?
iLife is preinstalled on all the Macs. If you purchased iLife in the App Store or your computer came without DVDs, open App Store > Purchases and download the applications. If your Mac came with discs, insert the Applications DVD and install iLife applications
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