On 08/01/2014 12:26 PM, Peter Maydell wrote:
> So I think it would be good if we investigated the degree
> of difficulty in improving QEMU's TLB code so it isn't just
> "one TLB entry size with larger pages a bolt-on which we
> hope people don't actually use" first, before we just disable
> all the
On 08/04/2014 06:32 AM, Peter Maydell wrote:
> On 4 August 2014 11:23, Alex Bennée wrote:
>> Peter Maydell writes:
>>> So:
>>> * there's clearly a big perf win to be had here
>>> * this patchset gives us that for 4K pages on AArch64
>>> * but it doesn't help for 4K pages on AArch32 (really
>>>
Alex Bennée writes:
> Paolo Bonzini writes:
>
>> Il 30/07/2014 17:20, Alex Bennée ha scritto:
>>> Hi,
>>>
>
>>> The most important thing is I've measured a 25-30% improvement in
>>> kernel and android boot time.
>>>
>
>> Hi Alex, have you seen this patch? Perhaps you're interested in
>> revi
On 4 August 2014 11:23, Alex Bennée wrote:
> Peter Maydell writes:
>> So:
>> * there's clearly a big perf win to be had here
>> * this patchset gives us that for 4K pages on AArch64
>> * but it doesn't help for 4K pages on AArch32 (really
>> common)
>
> Well for the AArch32 profile if you r
Paolo Bonzini writes:
> Il 30/07/2014 17:20, Alex Bennée ha scritto:
>> Hi,
>>
>> The most important thing is I've measured a 25-30% improvement in
>> kernel and android boot time.
>>
> Hi Alex, have you seen this patch? Perhaps you're interested in
> reviving it.
>
> http://article.gmane.or
Peter Maydell writes:
> On 1 August 2014 17:06, Peter Maydell wrote:
>> I'm taking the first two of these into target-arm.next because
>> they're obvious standalone bugfixes. I need to think about the
>> last three a bit more: I dislike just dropping the ARMv5 CPUs
>> from qemu-system-aarch64, i
On 1 August 2014 17:06, Peter Maydell wrote:
> I'm taking the first two of these into target-arm.next because
> they're obvious standalone bugfixes. I need to think about the
> last three a bit more: I dislike just dropping the ARMv5 CPUs
> from qemu-system-aarch64, it's kind of arbitrary.
So:
*
Il 30/07/2014 17:20, Alex Bennée ha scritto:
> Hi,
>
> Not too much has changed:
>
> * added a review tag
> * fixed up review comments
> * added some notes about benchmark results
> * added a patch to disable ARMv5 in AArch64 build
>
> The most important thing is I've measured a 25-30% i
On 30 July 2014 16:20, Alex Bennée wrote:
> Hi,
>
> Not too much has changed:
>
> * added a review tag
> * fixed up review comments
> * added some notes about benchmark results
> * added a patch to disable ARMv5 in AArch64 build
>
> The most important thing is I've measured a 25-30% improv
Hi,
Not too much has changed:
* added a review tag
* fixed up review comments
* added some notes about benchmark results
* added a patch to disable ARMv5 in AArch64 build
The most important thing is I've measured a 25-30% improvement in
kernel and android boot time.
Alex Bennée (5):
t
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