Post by Simon ClubleyPost by Dave FroblePost by Simon ClubleyActually, Linux did something more impressive. It bypassed the desktop
and ended up being the dominant operating system on mobile phones and
tablets instead.
I doubt you will ever see VMS running native on a tablet or mobile phone. :-)
Ayup. Not prior to the hypothetical OpenVMS Arm or RISC-V ports,
certainly. If then.
It'd also require likely overhauling the OpenVMS pricing model, far
past the old Files-and-Application-Server licensing scheme.
And no, I don't expect to see OpenVMS running with touch interfaces or
the rest of what's expected and necessarily involved here.
Post by Simon ClubleyPost by Dave FrobleWell, I'm not saying it's going to happen. But it will most likely be
possible. I'm just not sure why anyone would want to do so.
The basic problem (apart from the 4-mode KESU problem) is that VMS
isn't structured to run in a flash/ROM-based embedded environment.
That was arguably the job of VAXELN. And ELN would need substantial
work to haul its features and capabilities forward 30-some years. And
VSI would have to rebuild VSI ELN from the current OpenVMS kernel, as
they didn't acquire ELN.
There are various articles around on power management, and OpenVMS
supports a fraction of what's involved and expected there. Here's a
little light reading:
https://developer.apple.com/library/archive/documentation/Performance/Conceptual/EnergyGuide-iOS/FundamentalConcepts.html
https://www.microsoft.com/en-us/research/wp-content/uploads/2016/02/pcyc-winet.pdf
Last I checked, OpenVMS I64 could power down idle cores on some Itanium
servers, but I don't recall much in the way of scheduler event
consolidation—coalescing ASTs and interrupts, in OpenVMS terms—and
related power-management activities, not the least of which was a
low-powered sleep mode, and the ability to power down unused
components. This isn't just clients, either. Power management is
interesting on servers, too.
Post by Simon ClubleyPost by Dave FrobleI've got a tablet. Not a small one. Makes a decent Kindle reader. I
doubt VMS would improve on the existing Kindle apps. Why bother.
...
Touch would be another area OpenVMS knows nothing about and would
require extensive system and extensive app-related work.
Post by Simon Clubley...
For me, my primary walking guides are the official Ordnance Survey
1:25000 paper maps (and a compass).
My fallback is an eTrex 20x with open source maps loaded and my final
level of backup is OsmAnd running on an Android phone with the same
open source maps.
A PLB or satellite radio would be typical in some areas. Garmin InReach
or ilk. Maps, positioning, and satellite message capabilities. That's a
step up from the Garmin eTrex, but similar in concept.
Why PLB and satellite? Cellular coverage around here is spotty at best
even on some state highways, and spottier still on the trails. Your
cellular carrier coverage might be (is?) better.
Post by Simon ClubleyPost by Dave FrobleBut I don't use it for anything else. Way too small.
What about playing music ? :-)
For OpenVMS, MMOV has some of that covered on OpenVMS, though that'd
need substantial updates, and probably also need DRM support added. And
compatibility with a music store, and a means to load music. One of the
areas of features expected of client devices, now. USB audio was an
area that OpenVMS had trouble, too; isochronous transfer support was
unavailable.
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