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Bassplayer's Super Pi Guide

post #1 of 20
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Here are a few things to help lower your Super Pi times.

(Note: This guide is for Windows 7. For many, Windows XP is quicker. However, Windows 7 is easier and is a bit more effective with memory, so I prefer it.)

First things first, your processor will most likely have a core that is stronger than the rest. Disable Hyperthreading (if your processor supports it) in the BIOS and boot into Windows.

Open up SuperPi, but don't run it yet. Open Task Manager and right click on Super PI / mod 1.5 XS and choose "Go To Process" (or just click on the Processes tab and find "super_pi_mod.exe *32").



Right click this and mouse to "Set Priority". Choose "Realtime". Next, mouse down to "Set Affinity...". Click "<All Processors>" to deselect all then click "CPU 0".





Next, you'll want to kill explorer.exe to remove its load so each core gets a fair shot at being the best. Select it and choose "End Process".



Now it's time to run Pi. I'd recommend doing this 3-5 times for each core, recording the times for each run. After you've finished with Core 0, open Task Manager and repeat with Cores 1, 2, 3, etc. After you've run it on each core, you should have a pretty good idea of which core is the best.



I did some extra stuff because I felt like it... it's not really necessary. If you want to use the efficiency calculation that I used, it was just the minimum multiplied by the average. I then looked for the lowest number. Note that I did not disable HT for mine, but threads 4 and 5 are both a part of the third core (0/1, 2/3, 4/5, 6/7, 8/9, 10/11).

To get Explorer.exe running again, open Task Manager and select File then "New task (Run...)". Type "explorer.exe" and hit Enter or select OK.





Now that you have your strongest core, it's time to maximize. To do this, the OS needs to be as unobtrusive as possible. This is where Windows 7 gets really friendly. Open up the Run dialog. I use Windows+R to do this. Once you've done so, type "msconfig" and choose OK or hit Enter. Click on Selective startup and deselect both "Load system services" and "Load startup items". Hit Apply and exit out. It should prompt you to restart to apply changes. Do this. If it does not, restart anyway.





You're ready to go with the basic tweaks. Open Super Pi, set the Priority to Realtime and the Affinity to your strongest core. Exit Explorer.exe and select which calculation you want to use. Once you've chosen, hit OK. Once it says "Now start to calculated xxM digists of PI.", stop moving your mouse and hit Enter when you're ready to go!



Once you successfully run Super Pi, do NOT hit OK. You need to take your screen shot. Open up two instances of CPU-Z. Select the CPU tab and the Memory tab. You can also open a third instance and select the Mainboard tab (as in the screen shot). Take a screenshot and save your image.



I like to run it a few more times and take the best score, saving my best each time.

Hope it helps... now I might not have to see anymore Pi runs with Aero enabled!
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post #2 of 20
great guide... booked marked for some hopefully faster PI times tomorrow!!!
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post #3 of 20
Look I'm pretty noob so I have a question:

Why does it matter how fast your computer can calculate pi? What is the significance of all this?
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post #4 of 20
Quote:
Originally Posted by Eskanasi View Post
Look I'm pretty noob so I have a question:

Why does it matter how fast your computer can calculate pi? What is the significance of all this?
Benchmarking.

Great guide bassplayer . Only time I've done SuperPi runs, I just manually killed all my processes and turned Aero off. I kept explorer running though, and never bothered to find my best core. Oh well.
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post #5 of 20
This has nothing to do with the bass i'm Thinking of huh =[



EDIT: Oh... I now see the "pi" there

It took me like 5 minutes to realize this
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post #6 of 20
Thread Starter 
Quote:
Originally Posted by Eskanasi View Post
Look I'm pretty noob so I have a question:

Why does it matter how fast your computer can calculate pi? What is the significance of all this?
Some of us get a little bored of games sometimes and work on pushing our systems to the absolute max. Super Pi is a very popular benchmark that helps compare systems. If you're interested in this, check out the HWBot Explained link in my signature

Quote:
Originally Posted by pioneerisloud View Post
Benchmarking.

Great guide bassplayer . Only time I've done SuperPi runs, I just manually killed all my processes and turned Aero off. I kept explorer running though, and never bothered to find my best core. Oh well.
I actually just found out about the selective startup recently too. I've always had lightened versions of Windows 7, which are mostly nullified with this tweak. I figured that since it simplified the process so much, it would be pretty good to share. And thanks for the compliments

Quote:
Originally Posted by Dorianime View Post
This has nothing to do with the bass i'm Thinking of huh =[

EDIT: Oh... I now see the "pi" there

It took me like 5 minutes to realize this
lol... I like that bass player too

Favorite female bassist is either Jennifer Arroyo or Emma Anzai, though!
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post #7 of 20
I fall in love with girls that play bass or Guitar

I remember whan I first met TAT..


PS great post!
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post #8 of 20
Nice guide
    
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post #9 of 20
Thread Starter 
Fanx Pizza
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post #10 of 20
Quote:
Originally Posted by Dorianime View Post
This has nothing to do with the bass i'm Thinking of huh =[



EDIT: Oh... I now see the "pi" there

It took me like 5 minutes to realize this


Nice........boots
    
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