#racket on 2021-02-22 — irc logs at freenode.irclog.whitequark.org

2021-01-03 04:01 samth changed the topic of #racket to: Racket v7.9 has been released: https://blog.racket-lang.org/2020/11/racket-v7-9.html -- Racket -- https://racket-lang.org -- https://pkgs.racket-lang.org -- Paste at http://pasterack.org

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02:17 <nisstyre> bremner: I don't remember what I asked but thank you for answering

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14:31 <oriba> I'm looking for an old SML-implementation (1993 or before), with weaker / non-static type checking. AFAIK there is an implementation in Scheme (renamed to Racket?) that provides such old SML. How to get started with racket/scheme to get such an old SML running?

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14:41 <oriba> In racket get an error "; readline-input:1:0: read-syntax: `#lang` not enabled [,bt for context]"

14:42 <oriba> is this an issue that needs to recompile racket with other settings?

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14:44 <ecraven> you should not paste code with #lang in the repl, but load the file instead

14:44 <ecraven> or run `racket -I <lang>`

14:47 <oriba> how to load it?

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14:51 <oriba> looks like a long way to get my old SML running... first need to learn racket in more detail it seems

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15:26 <samth> oriba: try "racket <file.rkt>"

15:48 <samth> dzoe: rather than changing the topic i've done something much worse ;)

15:49 <samth> dzoe: tonyg: build time is faster on CS than BC now (at least on 1 thread)

15:50 <samth> things are (maybe) slower than in 2016 because (a) the Chez build is a little slower than the Racket BC runtime build because Chez is slower than GCC and the build isn't parallelized as well (b) there's more code than 5 years ago

15:54 <samth> if you look at build-plot.racket-lang.org the slowdown was in 2018. here's 2019/1/1: https://build-plot.racket-lang.org/2019-01-01.html

15:54 <samth> and here's 2018/1/1: https://build-plot.racket-lang.org/2018-01-01.html

15:55 <samth> and here's racket cs today: https://build-plot-cs.racket-lang.org/ (a little bit slower than 2018/1, but much faster than 2019/1)

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16:33 <dimaugh> is there any way to convert bytes to hex without having to load some library?

16:36 <dimaugh> i know (formatf "~x" n), but i'm not sure turning it into a string is ideal

16:36 <dimaugh> i'm writing a midi parser

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16:40 <dimaugh> or some way to convert bytestrings to hex strings

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16:56 <dimaugh> nevermind, i wrote a base conversion function

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19:09 <dzoe> samth: how long did it take? :)

19:10 <samth> dzoe: did what take?

19:12 <dzoe> This "worse" thing - did you actually patch something or you just investigated it?

19:14 <samth> dzoe: i thought you would have gotten notified, but I made you an op :)

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19:19 <jcowan> samth: (d) but presumably you are running on faster machines, unless the build is serialized.

19:20 <samth> jcowan: I'm not sure I understand; those graphs are all from the same machine

19:20 <jcowan> You said "slower than in 2016", so I assume you are using 2016 data, meaning 2016 computers

19:24 <samth> i was making apples-to-apples comparisons, and I assume that tonyg was too

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19:34 <dzoe> oh ...

19:35 <dzoe> Ok, I'll keep it updated.

19:35 <dzoe> Although it sometimes feels like I am the only one looking at it :)

19:40 dzoe changed the topic of #racket to: Racket v8.0 has been released: https://blog.racket-lang.org/2021/02/racket-v8-0.html -- Racket -- https://racket-lang.org -- https://pkgs.racket-lang.org -- Paste at http://pasterack.org

19:46 <dzoe> Now who can fix the pasterack channel notifications? :)

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20:29 <jcowan> dzoe: I read that as a typo for "pasternack"/"pasternak" before re-parsing

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21:11 <dzoe> jcowan: ;-)

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