CPU Optimizations

By +John Teacake
in Linux

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Grand Master

Mindovermaster Global Moderator

Posted
  • Global Moderator
Posted 


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73774418426312986080998886874132604720
real 0m17.893s
user 0m17.837s
sys 0m0.028s
[/CODE]

What's that supposed to mean? :huh:

Grand Master

+John Teacake MVC

Posted
  • Author
  • MVC
Posted

Yeah I should have mentioned that it calculates Pi. Im a trust worthy member around here... Sort of :-p But yeah

  Quote
Note to all: You should never mindlessly type commands into a console when asked without researching and understanding their function.

Yours does it faster than my hardware! Mine does it in 22seconds! ...What hardware are you running?

Grand Master

+Majesticmerc MVC

Posted
  • MVC
Posted 

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73774418426312986080998886874132604720

real    0m49.791s
user    0m49.520s
sys    0m0.013s

Hardware

  • Intel Core 2 Duo CPU T5250 (-MCP-) clocked at 1500.000 Mhz
  • 2GB RAM

Kernel

  • 3.8.7-1-ARCH x86_64

Mentor

Karl L.

Posted
Posted 


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65825847993825298354061509667094723200

real	5m44.403s
user	5m44.474s
sys	0m0.012s
[/CODE]

[b]Hardware[/b]

  • Sun UltraSparc T1 (Niagara) CPU clocked at 1.0 GHz
  • 8 GB of RAM

[b]Kernel[/b]

  • Debian 3.2.39-2 sparc64 (SMP)

Mentor

Karl L.

Posted
Posted 


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73774418426312986080998886874132604720

real    0m33.375s
user    0m33.369s
sys    0m0.001s
[/CODE]

[b]Hardware[/b]

  • Intel Core 2 Quad CPU Q6600 clocked at 2.40 GHz
  • 8 GB of RAM

[b]Kernel[/b]

  • 2.6.32-358.2.1.el6.x86_64 (SMP)

Contributor

ajcdotme

Posted
Posted

Hardware: Intel? Core? i7 CPU M 620 @ 2.67GHz / 8 GB RAM

Kernel: 3.5.0-17-generic (Mint / Macbook Pro late 2010)

  Quote
... snip ...

real 0m25.536s

user 0m25.274s

sys 0m0.108s

Hardware: Intel? Core? i7 CPU 930 @ 2.80GHz / 16GB RAM

Kernel: 2.6.32-358.2.1.el6.x86_64 (CentOS / Generic)

  Quote
... snip ...

real 0m17.346s

user 0m17.269s

sys 0m0.000s

Mentor

Karl L.

Posted
Posted

5 minutes and 44 seconds seems nigh unbeatable based on everyone else's times (including my own). I THINK I'M GOING TO WIN!

Too bad I don't have a working hard drive for my PowerBook G4 anymore. Maybe that machine would take even longer to compute Pi to 5000 decimal places and multiply it by four! I really want to try it now...

Mentor

Karl L.

Posted
Posted

I am also interested in knowing what, specifically, you are testing. Which compiler options are you enabling/disabling? Which compiler are you using? Which distribution are you compiling the kernel on? How are you compiling the kernel (using kbuild, Debian kernel build scripts, or something else)? Are you using the mainline kernel, a stable kernel, a specific distro kernel, or something else?

Off Topic: ChuckFinley, I really like your user name! I'm a fan of that show too. I've watched all the episodes they have on Netflix. I'll probably have to buy it outright at some point.

Grand Master

Mindovermaster Global Moderator

Posted
  • Global Moderator
Posted
  On 22/04/2013 at 02:24, Circaflex said:

wait what? not it isnt its 3.14........

I had a very bad headache at that time. My head's not always thinking logically... :|

Mentor

Karl L.

Posted
Posted
  On 22/04/2013 at 02:33, Mindovermaster said:

I had a very bad headache at that time. My head's not always thinking logically... :|

Its okay. You're not the only one who made a mistake. I stated that it is "Pi to 5000 decimal places [multiplied] by four", but that's not actually true. The command is just timing how long it takes for bc to compute Pi (to 5000 decimals of precision).

Grand Master

XerXis

Posted
Posted
  On 21/04/2013 at 20:52, Mindovermaster said:

unless it says sudo, you won't do that much...

I have an i5 3570K (no OC yet), and ASRock Extreme 3

stupid thing to say, I would rather have a command break my system (which can be reinstalled) than some command erasing all my personal files and work that I had done that day.

Proficient

soumyasch

Posted
Posted
  On 22/04/2013 at 00:19, xorangekiller said: 


...snip...


65825847993825298354061509667094723200


[b]Hardware[/b]


    

  • Sun UltraSparc T1 (Niagara) CPU clocked at 1.0 GHz
    

    • 

  • 8 GB of RAM
    

    • 





[b]Kernel[/b]


  • Debian 3.2.39-2 sparc64 (SMP)
    







 	
		 									On 22/04/2013 at 00:28, xorangekiller said:	


[code]


...snip...


73774418426312986080998886874132604720


[b]Hardware[/b]


    

  • Intel Core 2 Quad CPU Q6600 clocked at 2.40 GHz
    

    • 

  • 8 GB of RAM
    

    • 





[b]Kernel[/b]


  • 2.6.32-358.2.1.el6.x86_64 (SMP)
    









Why do you get different results in your Sun system? Which one is flawed?




			
		


		

		
	


	

	






	



					
					
					
				

					

					
					






	

	

		

			

				

	
		
	

				
				
					
						
Grand Master
					
				
			

		

		

			

				


+John Teacake
               
              
              
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			Posted  
			
			
				
				
			
		

	


	

    

	

		
		

			
Thanks for these guys, Looks like we have a healthy discussion going. Yeah why does the SPARC get a different result and also take over 5mins to do it. It looks like the i7's are the winners. I got mine to a 22sec. I am trying the latest bleeding edge mainline kernel with the i7 gcc optimizations.


			
		


		

		
			

		
	


	

	






	



					
					
					
				
			
			



		

	


	
		

			


	
	

		

	
	
	
	
	
		
	

			
				
					


	


	
		
	


	

		

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