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Open Source and information security mailing list archives
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Date: Mon, 20 Jul 2015 18:54:56 +0100 From: Julien Grall <julien.grall@...rix.com> To: <xen-devel@...ts.xenproject.org> CC: <wei.liu2@...rix.com>, <ian.campbell@...rix.com>, <stefano.stabellini@...citrix.com>, <linux-kernel@...r.kernel.org>, <david.vrabel@...rix.com>, <boris.ostrovsky@...cle.com>, <linux-arm-kernel@...ts.infradead.org>, <roger.pau@...rix.com> Subject: Re: [Xen-devel] [PATCH v2 00/20] xen/arm64: Add support for 64KB page On 09/07/15 21:42, Julien Grall wrote: > Average betwen 10 iperf : > > DOM0 Guest Result > > 4KB-mod 64KB 3.176 Gbits/sec > 4KB-mod 4KB-mod 3.245 Gbits/sec > 4KB-mod 4KB 3.258 Gbits/sec > 4KB 4KB 3.292 Gbits/sec > 4KB 4KB-mod 3.265 Gbits/sec > 4KB 64KB 3.189 Gbits/sec > > 4KB-mod: Linux with the 64KB patch series > 4KB: linux/master > > The network performance is slightly worst with this series (-0.15%). I suspect, > this is because of using an indirection to setup the grant. This is necessary > in order to ensure that the grant will be correctly sized no matter of the > Linux page granularity. This could be used later in order to support bigger > grant. I didn't compute correctly the result. It's -1.5% and not -0.15% sorry. -- Julien Grall -- 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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