On 02/12/2018 07:17 PM, Florian Fainelli wrote:
> On 02/12/2018 04:10 PM, Timur Tabi wrote:
>> On 02/12/2018 05:57 PM, Florian Fainelli wrote:
>>> That is debatable, is there a good publicly available table of what the
>>> typical L1 cache line size is on ARMv8 platforms?
With a server hat on...
On 02/12/2018 07:17 PM, Florian Fainelli wrote:
> On 02/12/2018 04:10 PM, Timur Tabi wrote:
>> On 02/12/2018 05:57 PM, Florian Fainelli wrote:
>>> That is debatable, is there a good publicly available table of what the
>>> typical L1 cache line size is on ARMv8 platforms?
With a server hat on...
On Mon, Feb 12, 2018 at 03:45:23PM -0800, Florian Fainelli wrote:
> On many platforms, including, but not limited to Brahma-B53 platforms,
> the L1 cache line size is 64bytes. Increasing the value to 128bytes
> appears to be creating performance problems for workloads involving
> network drivers
On Mon, Feb 12, 2018 at 03:45:23PM -0800, Florian Fainelli wrote:
> On many platforms, including, but not limited to Brahma-B53 platforms,
> the L1 cache line size is 64bytes. Increasing the value to 128bytes
> appears to be creating performance problems for workloads involving
> network drivers
On 02/12/2018 04:10 PM, Timur Tabi wrote:
> On 02/12/2018 05:57 PM, Florian Fainelli wrote:
>> That is debatable, is there a good publicly available table of what the
>> typical L1 cache line size is on ARMv8 platforms?
>
> I don't have that, but I was under the impression that we moved from 6
>
On 02/12/2018 04:10 PM, Timur Tabi wrote:
> On 02/12/2018 05:57 PM, Florian Fainelli wrote:
>> That is debatable, is there a good publicly available table of what the
>> typical L1 cache line size is on ARMv8 platforms?
>
> I don't have that, but I was under the impression that we moved from 6
>
On 02/12/2018 05:57 PM, Florian Fainelli wrote:
That is debatable, is there a good publicly available table of what the
typical L1 cache line size is on ARMv8 platforms?
I don't have that, but I was under the impression that we moved from 6
to 7 because more and more ARMv8 platforms have
On 02/12/2018 05:57 PM, Florian Fainelli wrote:
That is debatable, is there a good publicly available table of what the
typical L1 cache line size is on ARMv8 platforms?
I don't have that, but I was under the impression that we moved from 6
to 7 because more and more ARMv8 platforms have
On 02/12/2018 03:52 PM, Timur Tabi wrote:
> On 02/12/2018 05:45 PM, Florian Fainelli wrote:
>> +config ARM64_L1_CACHE_SHIFT
>> + int
>> + default 7 if ARM64_L1_CACHE_SHIFT_7
>> + default 6
>
> Shouldn't this be the other way around? Everyone is used to 7 now, so
> you're changing the
On 02/12/2018 03:52 PM, Timur Tabi wrote:
> On 02/12/2018 05:45 PM, Florian Fainelli wrote:
>> +config ARM64_L1_CACHE_SHIFT
>> + int
>> + default 7 if ARM64_L1_CACHE_SHIFT_7
>> + default 6
>
> Shouldn't this be the other way around? Everyone is used to 7 now, so
> you're changing the
On 02/12/2018 05:45 PM, Florian Fainelli wrote:
+config ARM64_L1_CACHE_SHIFT
+ int
+ default 7 if ARM64_L1_CACHE_SHIFT_7
+ default 6
Shouldn't this be the other way around? Everyone is used to 7 now, so
you're changing the default back to 6. I would think that it should be
On 02/12/2018 05:45 PM, Florian Fainelli wrote:
+config ARM64_L1_CACHE_SHIFT
+ int
+ default 7 if ARM64_L1_CACHE_SHIFT_7
+ default 6
Shouldn't this be the other way around? Everyone is used to 7 now, so
you're changing the default back to 6. I would think that it should be
On many platforms, including, but not limited to Brahma-B53 platforms,
the L1 cache line size is 64bytes. Increasing the value to 128bytes
appears to be creating performance problems for workloads involving
network drivers and lots of data movement. In order to keep what was
introduced with
On many platforms, including, but not limited to Brahma-B53 platforms,
the L1 cache line size is 64bytes. Increasing the value to 128bytes
appears to be creating performance problems for workloads involving
network drivers and lots of data movement. In order to keep what was
introduced with
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