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From: John Levine <johnl@taugh.com>
Newsgroups: comp.arch
Subject: Re: Continuations
Date: Tue, 16 Jul 2024 02:03:38 -0000 (UTC)
Organization: Taughannock Networks
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According to Lawrence D'Oliveiro  <ldo@nz.invalid>:
>On Mon, 15 Jul 2024 23:56:00 -0000 (UTC), John Levine wrote:
>
>> According to Lawrence D'Oliveiro  <ldo@nz.invalid>:
>>>On Mon, 15 Jul 2024 23:06:13 +0300, Niklas Holsti wrote:
>>>
>>>> IMO, for something to qualify as a continuation-passing call, the
>>>> caller should select the callee -- the thing to be executed next --
>>>> but in SAGE/SABRE it is the scheduler that selects what to execute
>>>> next.
>>>
>>> What you have is that SAGE/SABRE has built a higher-level scheduler
>>> abstraction on top of lower-level coroutines/continuations.
>> 
>> It was an event loop, not coroutines.
>
>The one does not preclude the other. So they lacked the coroutine 
>abstraction; that could have been added easily enough in the application 
>implementation language.

Just for amusement, what do you think the application implementation
languages for SAGE and SABRE were? For that matter, what computers do
you think they ran on?

-- 
Regards,
John Levine, johnl@taugh.com, Primary Perpetrator of "The Internet for Dummies",
Please consider the environment before reading this e-mail. https://jl.ly