Re: [PATCH 0/4] zsmalloc improvements
From: Seth Jennings
Date: Fri Jul 06 2012 - 11:12:25 EST
On 07/04/2012 03:43 PM, Konrad Rzeszutek Wilk wrote:
> On Mon, Jul 02, 2012 at 04:15:48PM -0500, Seth Jennings wrote:
>> This exposed an interesting and unexpected result: in all
>> cases that I tried, copying the objects that span pages instead
>> of using the page table to map them, was _always_ faster. I could
>> not find a case in which the page table mapping method was faster.
> Which architecture was this under? It sounds x86-ish? Is this on
> Westmere and more modern machines? What about Core2 architecture?
> Oh how did it work on AMD Phenom boxes?
I don't have a Phenom box but I have an Athlon X2 I can try out.
I'll get this information next Monday.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/