[Arm-dev] Cubieboard5 performance

[Pablo Sebastián Greco]

El 5/8/18 a las 07:16, Robert Moskowitz escribió:
> Pable,
>
> Thanks for responding.
>
> On 08/05/2018 05:46 AM, Pablo Sebastián Greco wrote:
>>
>> Robert, cubieboard5 (AKA Cubietruck Plus) has an A83T SoC, which only 
>> got multicore for kernel 4.18 (still not relased).
>> I made a 4.17 version with smp support backported and you can find it 
>> here 
>> (https://armv7.dev.centos.org/repodir/community-kernel-latest/kernel/4.17.6-200.el7/).
>> Also cubietruck plus may not have HDMI support yet (I got a patch 
>> from another user in #centos-arm and seems to be working).
>>
>
> Using it as a server on if I need a local connection I use the serial 
> console via a TTL/USB converter.  Of course I would have to get the 
> pin-out for this board.
I have that patch included in my kernels, but don't have a device to 
test it.
>
>> Finally, the main thing about that board (about that SoC actually), 
>> is that SATA is not native, it is an integrated SATA-USB, so 
>> performance may be an issue.
>>
>
> Ouch. this is for a mail server that has extensive disk I/O.  So 
> forget this board.
>
>> Personally I love the BananaPi M2Ultra, 2G RAM, 4 Cores and native 
>> SATA. The only problem is that SATA support is not integrated yet in 
>> any kernel, so it needs external patches.
>>
>
> Any timing on delivering the support mainline?
Patch is already at v3, I've been using v1 on my device without 
problems. Doesn't look like it it will be integrated before 4.20 (but we 
can always backport)
>
>>
>> Pablo.
>>
>> P.S: this is a blog post I made a few months ago 
>> https://blog.centos.org/2018/05/testing-armhfp-devices/ , BananaPi M3 
>> is practically the same as Cubieboard5.
>>
>
> I will look at it.
>
>> P.S 2: wrt any device with AllWinner SoC, you can check 
>> https://linux-sunxi.org/Linux_mainlining_effort to know what to expect.
>>
>
> I use to follow it closely and did some testing for Hans when he was 
> running the Allwinner development.  I should go back and check in, so 
> to speak.
>
> Of course if there is a quad core 64-bit ARM with sata under $100 that 
> runs at 5V; that would do nicely!
;)
>
> Bob
>
>> El 5/8/18 a las 01:09, Robert Moskowitz escribió:
>>> has anyone here tried out the octa-core Cubieboard5?
>>>
>>> Does Centos work with all those cores for better multitasking than 
>>> the duo-core A20 boards?
>>>
>>> One of my Cubieboard2 is dying and I CAN replace it with one of my 
>>> test boards.  But my mail server does struggle with only 2 cores for 
>>> all the virus scanning.  If I had more cores, I could lift the 
>>> attachment limit, perhaps.
>>>
>>> I just saw a deal on the Cubieboard5, cheaper than the Cubietruck.
>>>
>>> Or info on any other quad board.
>>>
>>> thanks
>>>
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>>> Arm-dev at centos.org
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>>
>>
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