[Arm-dev] Cubieboard5 performance
Robert Moskowitz
rgm at htt-consult.com
Sun Aug 5 13:13:26 UTC 2018
On 08/05/2018 06:55 AM, Pablo Sebastián Greco wrote:
>
> 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)
ETA for 4.20, considering we are on 4.9.52? :)
>>
>>>
>>> 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!
> ;)
Yeah, California dreaming. And I am in Michigan. No forest fires. Yet.
How many of the above requirements are not available. My first
approximation is <$100 and 5V. We all know there are quad 64bit ARMs
out there with sata!
>>
>> 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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>>>
>>>
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