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Linus Torvalds Comments on ARM: Did he lose touch with reality? (www.realworldtech.com)

submitted 11 months ago* (last edited 11 months ago) by TCB13@lemmy.world to c/technology@lemmy.ml

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tr:dr; he says "x86 took over the server market" because it was the same architecture developers in companies had on their machines thus it made it very easy to develop applications on their machines to then ship to the servers.

Now this, among others he made, are very good points on how and why it is hard for ARM to get mainstream on the datacenter, however I also feel like he kind lost touch with reality on this one...

He's comparing two very different situations, more specifically eras. Developers aren't so tied anymore like they used to be to the underlaying hardware. The software development market evolved from C to very high language languages such as Javascript/Typescript and the majority of stuff developed is done or will be done in those languages thus the CPU architecture becomes irrelevant.

Obviously very big companies such as Google, Microsoft and Amazon are more than happy to pay the little "tax" to ensure Javascript runs fine on ARM than to pay the big bucks they pay for x86..

What are your thoughts?

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[+] skullgiver@popplesburger.hilciferous.nl 36 points 11 months ago* (last edited 9 months ago) (2 children)

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[–] TCB13@lemmy.world 3 points 11 months ago* (last edited 11 months ago) (1 children)

Have you used ARM servers? They’re a massive pain to work with because they just need that one little extra step every time.

Yes I've had that experience and a similar one once the first ARM SBCs came to the market circa 2009 with the SheevaPlug. At that time was trying to get stuff work on those and I know how things go.

when you actually need performance, Javascript needs to go. Java and dotnet have the same cross platform advantages with much higher speeds.

After this point you're essentially saying the same thing I was BUT replacing the word Javascript with Java/dotnet. Once those virtual machines runs well on ARM (as they mostly do) developers won't care anymore about the architecture. I only picked Javascript/Typescript as an example because it will most like take over everything in a few years.

That’s part of the reason why companies like Oracle are handing out free ARM VPS products with tons of free RAM, to convince people to try their ARM product for real.

And why are they trying to push developers into ARM? It is medium term strategic investment, they're just waiting and pushing ARM manufacturers such as Ampere Computing to develop "bigger and better" CPUs that will take on Intel. Once they're very competitive in performance they'll simply start replacing Intel with ARM and nobody will complain because at that point the 90% of developers are using Java/dotnet/Javascript (things that run on VMs) will not even notice the difference between running on their amd64 or ARM.

There’s no benefit to running ARM servers. Running slow software like PHP and Javascript becomes especially problematic on slower hardware, so for those cross platform runtimes, you’re still better off running on amd64

It seems that Facebook, the holy grail of running PHP, doesn't agree with you. They've been pushing ARM on their datacenters for years now.

[–] skullgiver@popplesburger.hilciferous.nl 3 points 11 months ago* (last edited 9 months ago)

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[–] socsa@lemmy.ml 1 points 11 months ago

I've been using Linux4Tegra since before the M1 silicon and it's really not that bad if you are at all used to build chain management. Granted, Nvidia does a lot of the initial heavy lifting here, but really to spin up a custom environment, you really only need to get the builds done right the first time and then it's pretty smooth sailing.