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Date: Fri, 06 Jul 2012 10:07:11 -0500 From: Seth Jennings <sjenning@...ux.vnet.ibm.com> To: Konrad Rzeszutek Wilk <konrad@...nok.org> CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Andrew Morton <akpm@...ux-foundation.org>, Dan Magenheimer <dan.magenheimer@...cle.com>, Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>, Nitin Gupta <ngupta@...are.org>, Minchan Kim <minchan@...nel.org>, Robert Jennings <rcj@...ux.vnet.ibm.com>, linux-mm@...ck.org, devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 0/4] zsmalloc improvements 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. -- Seth -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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