:wave: Hi all, Josh pointed me to this thread. I'm the author of that blog post
he linked to.
Sam Tobin-Hochstadt wrote:
> The Racket community, and even more so the design of Racket
> concurrency APIs, is very strongly influenced by the academic side of
> Racket. As far as I can tell,
On Thu, Oct 10, 2019 at 2:42 AM Zelphir Kaltstahl <
zelphirkaltst...@gmail.com> wrote:
> … If that works for arbitrary serializable-lambda with only serializable
> parts, I could continue my process pool project.
>
Yes, this would work for any value created by `serial-lambda`.
> The only issue
Hi!
Hmmm, that code example looks simple enough. If that works for arbitrary
serializable-lambda with only serializable parts, I could continue my
process pool project. The only issue would then be, that any user of it
would have to know in advance, that they cannot define their lambdas as
usual,
On Wed, 9 Oct 2019 16:15:14 -0400, Sam Tobin-Hochstadt
wrote:
>The Racket community, and even more so the design of Racket
>concurrency APIs, is very strongly influenced by the academic side of
>Racket. As far as I can tell, structured concurrency is fairly close
>to what is traditionally called
On Wed, Oct 9, 2019 at 2:09 PM Zelphir Kaltstahl
wrote:
> I was wrongly under the impression, that serializable-lambda are supposed
> to work out of the box, when sending them over channels, without needing to
> do any further work ("are serialized automatically" instead of "can be
>
The Racket community, and even more so the design of Racket
concurrency APIs, is very strongly influenced by the academic side of
Racket. As far as I can tell, structured concurrency is fairly close
to what is traditionally called the fork/join model. Concurrency in
Racket is usually structured in
For example, here’s a more functional implementation of Happy Eyeballs in
Clojure, using the author’s “missionary” library (a functional effect and
streaming system):
https://cljdoc.org/d/missionary/missionary/b.11/doc/readme/guides/happy-eyeballs
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Hi George!
I was wrongly under the impression, that serializable-lambda are
supposed to work out of the box, when sending them over channels,
without needing to do any further work ("are serialized automatically"
instead of "can be serialized"). This is what I would have expected, as
it seems to
True. However, here comes the big "but": What about capturing the
environment of expressions? For example I might have identifiers in my
S-expressions bound to potentially a lot of data, which must also be
send through the channel. It would be painful (if not impossibly at the
time of writing the
So far from this thread, it seems the idea of Structured Concurrency hasn’t yet
made it into the Racket world. I’ll be interested to see if it gets adopted in
Racket in the future (or at least better understood) as its adoption grows
elsewhere.
In the meantime, in case it helps illustrate the
On 10/9/2019 2:34 AM, Zelphir Kaltstahl wrote:
I don't think places are a good example for good support of parallelism.
Hoare's "Communicating Sequential Processes" is a seminal work in
Computer Science. We can argue about whether places are - or not - a
good implementation of CSP, but
Note that it's possible to send S-expressions through a channel and then
eval them on the far end. This would let you do something like this:
(hash 'func 'my-predefined-lambda 'args '(arg1 arg2))
Which calls a predefined function, or:
(hash 'install '(lambda (username) (displayln (~a "Hello, "
I don't think places are a good example for good support of parallelism.
It is difficult to get a flexible multi processing implementation done,
without hard-coding the lambdas, that run in each place, because we
cannot send serializable lambdas (which also are not core, but only
exist in the web
On Tue, 8 Oct 2019 10:36:42 -0400, Luke Whittlesey
wrote:
>I think the ceu language has a nice model of what I would consider
>"structured". http://ceu-lang.org/ It has automatic cancellation and
>finalization. Racket can easily support this model. Await statements
>are captured through
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