Re: [FFmpeg-devel] Hardware purchase request: AVX512-capable laptop

[Lynne <dev@lynne.ee>]

Jan 7, 2024, 00:36 by kierank@obe.tv:

> On Sat, 6 Jan 2024, 16:06 Lynne, <dev@lynne.ee> wrote:
>
>> Jan 6, 2024, 21:15 by remi@remlab.net:
>>
>> >
>> >
>> > Le 6 janvier 2024 20:26:42 GMT+02:00, Michael Niedermayer <
>> michael@niedermayer.cc> a écrit :
>> >
>> >>
>> >>
>> > >I think some kind of remotely usable system does make sense for every
>> volunteer
>> > >who wants to work. It simply results in more available time for that
>> work.
>> >
>> >>
>> >>
>> > >Even i (who doesnt travel volunteerly around) have needed and used my
>> notebook
>> > >for FFmpeg away from my desktop system many times.
>> > >When ive spend some time in appartments of other familiy members, when
>> i had to
>> > >change my own apartment due to very noisy neighbors and so forth
>> >
>> >>
>> >>
>> > >Maybe a compromise would be a cheap laptop that is just used to login
>> and
>> > >access the more powerfull hardware via SSH ?
>> >
>> > That sounds much more sensible indeed.
>> >
>>
>> To address your concerns about limited lifetime and durability,
>> I chose the ThinkPad. It's not a +2k eur Macbook, it's serviceable,
>> and I can still do stuff with it that I can't do on my current setups.
>> We have many times more than enough to cover it, and make no
>> impact on the project's finances.
>> I could agree to jamrial's suggestion too, though I don't think it
>> would be as durable or problem-free.
>>
>
> But didn't you say the ThinkPad doesn't support AVX-512?
>

Err, no? It has a 7840U, which according to https://www.amd.com/en/product/13186
has support for AVX512.
I was initially confused as it's labelled as a Ryzen 7, and I thought Ryzen 9s
were the ones based on Zen 4, but afaik both 7 and 9 are Zen 4.
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