Re: [RFC] sparc64: Duplicate kernel text on every NUMA node

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Kirill Tkhai <tkhai@xxxxxxxxx>
Date: Mon, 09 Sep 2013 18:50:00 +0400

> Before:
> 
> real     7m58.466s
> user  60m49.660s
> sys    47m40.030s
> 
> After:
> 
> real     7m55.562s
> user  60m20.900s
> sys    46m36.040s
> 
> So, the real profit (system time) is whole 2.2%. I thought, it would be more :)
> It seems, it's not big enough to really implement this feature. Practice checks
> a hypothesis.

You are juding the suitability of your optimization using one
statistical sample of a benchmark involving trillions of memory
accesses?

Please at least run it 3 or 4 times so you can see how much variation
occurs between runs in the same configuration. :-)

--
To unsubscribe from this list: send the line "unsubscribe sparclinux" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Kernel Development]     [DCCP]     [Linux ARM Development]     [Linux]     [Photo]     [Yosemite Help]     [Linux ARM Kernel]     [Linux SCSI]     [Linux x86_64]     [Linux Hams]

  Powered by Linux