On Mon, Jan 11, 2021 at 2:57 PM Vanessa Freudenberg <vanessa at codefrau.net>
wrote:

> On Sat, Jan 9, 2021 at 7:09 AM David T. Lewis <lewis at mail.msen.com> wrote:
>
>> On Fri, Jan 08, 2021 at 08:08:33PM -0800, Eliot Miranda wrote:
>> > Hi V,
>> >
>> > On Tue, Jan 5, 2021 at 6:07 PM Vanessa Freudenberg <
>> vanessa at codefrau.net>
>> > wrote:
>> >
>> > > Reading the code I again noticed "Squeak V3" as name for the old
>> bytecode
>> > > set. Always wanted to know: Where does the "V3" nomenclature come
>> from?
>> > > What's V1 and V2? And should we consider Sista to be V4, or treat it
>> as
>> > > completely unrelated?
>> > >
>> >
>> > In my diseased and uninformed mind V3 came from my noticing that the
>> double
>> > extended do anything bytecode didn't exist in Smalltalk-80, so I
>> presumed
>> > it wasn't in Squeak V1.  I don't know if it's in V2, and I was too lazy
>> to
>> > go look, but I did know it was in V3, so I called it, and the object
>> > representation "V3".  Presumptuous but concise of me.  For me it really
>> is
>> > a label for no more than the state of play of Squeak when I came to
>> start
>> > changing its core execution engine.  I hope this is harmless enough.
>> >
>>
>> I have become quite comfortable with the "V3" notation by now, regardless
>> of its origins. I would prefer not to change it because I have used it
>> extensively in some of my own personal projects (e.g. all of the package
>> names in my http://www.squeaksource.com/TrunkUpdateStreamV3 hobby
>> project).
>>
>> I also just like the name. "V3" is short and easily recognized, and it
>> works nicely as a prefix or suffix in other names. To me, it also carries
>> a vague connotation of "stable but not necessarily the latest thing".
>> That's probably based on my recollection of early PC applications and
>> operating systems where everyone knew not to trust any product until
>> it reached at least version 3 ;-)
>>
>> Dave
>>
>
> Can we come up with some major VM milestones to retroactively label as V1
> / V2 / V3?
>
> Off the top of my head these could be
>
> * the original extension from ST80 to Squeak (as documented in Dan's "Back
> to the future": 32 bit direct pointers, no refcounting, variable-length
> object headers, etc)
> * named primitives
> * 64 bit support
> * closures
>
> V1 would be the 1996 one then
>

+1

> V3 might be the closure-supporting one (which year was that?)
>

2009 (internally @ Qwaq) / 2010 (released to the community)

V2 - ?
>

Named primitives seems like a major change to me.

_,,,^..^,,,_
best, Eliot
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