[Info-vax] What does VMS get used for, these days?

[Arne Vajhøj]

On 11/6/2022 8:55 AM, Scott Dorsey wrote:
> First thing: VMS has heavyweight processes.  There's a lot of stuff in the
> process, so spawning off new processes takes a good while, and you don't do
> it very often.  Conceptually different than Unix and Unixalikes where the
> processes are lightweight and the overhead of a fork is minimal so you fork
> off a new process for nearly everything.

That was the gospel for many years.

But the overhead of creating a process much be a lot less
significant on an Itanium or x86-64 today than it was on
a VAX 35 years ago.

And I believe that for true high performance then even
*nix are switching from traditional forking to threads.

Arne