#crystal-lang on 2017-06-24 — irc logs at freenode.irclog.whitequark.org

2017-04-21 15:14 ChanServ changed the topic of #crystal-lang to: The Crystal programming language | http://crystal-lang.org | Crystal 0.22.0 | Fund Crystal's development: http://is.gd/X7PRtI | Paste > 3 lines of text to https://gist.github.com | GH: https://github.com/crystal-lang/crystal | Docs: http://crystal-lang.org/docs/ | API: http://crystal-lang.org/api/ | Logs: http://irclog.whitequark.org/crystal-lang

00:06 <FromGitter> <sdogruyol> @dom96 how about taking inspiration from Nim survey :) It'd be pretty easy to bootstrap. Are you people ok with that?

00:07 <dom96> sure

00:07 <dom96> I took a lot of inspiration from the Rust survey

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00:12 <FromGitter> <sdogruyol> Great

00:12 <FromGitter> <sdogruyol> How's the turnout @dom96

00:15 <dom96> Almost at 100 so far

00:15 <dom96> we got ~800 in the last one

00:15 <dom96> but got rather lucky with HN

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00:27 <FromGitter> <johnjansen> now here’s a neat one ⏎ ⏎ ```code paste, see link``` [https://gitter.im/crystal-lang/crystal?at=594db2033230e14f3aeb2fd3]

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02:37 <crystal-gh> [crystal] MakeNowJust opened pull request #4617: WebSocket: should compare 'Upgrade' header value with case insensitive (master...fix/http-web-socket-handler/compare-upgrade-case-insensitive) https://git.io/vQY17

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14:04 <crystal-gh> [crystal] asterite pushed 1 new commit to master: https://git.io/vQOIY

14:04 <crystal-gh> crystal/master dc9e5cc Ary Borenszweig: Revert "Format multi-line braces blocks using do/end"...

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14:30 <travis-ci> crystal-lang/crystal#dc9e5cc (master - Revert "Format multi-line braces blocks using do/end"): The build passed. https://travis-ci.org/crystal-lang/crystal/builds/246552657

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16:37 <chuanshuo> Hi

16:37 <chuanshuo> Is anyone here?

16:38 <chuanshuo> I have a question?

16:39 <chuanshuo> Why Crystal use libevent2 rather than libev or libuv

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16:56 <FromGitter> <sdogruyol> guess it plays better with crystal @chuanshuo

16:56 <FromGitter> <sdogruyol> you should ask that to @asterite or @bcardiff

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18:15 <FromGitter> <kazzkiq> Crystal kicking some serious ass at the Round 15 preview (Techempower Benchmark):

18:15 <FromGitter> <kazzkiq> (https://files.gitter.im/crystal-lang/crystal/cmuq/Captura-de-Tela-2017-06-24-a_s-15.29.03.png)

18:16 <oprypin> k

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18:17 <FromGitter> <kazzkiq> Here is the link, if anyone interested: https://www.techempower.com/benchmarks/previews/round15/r14-vs-r15p1.html

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18:23 <FromGitter> <krypton97> is kemal faster than the standard lib?

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18:26 <FromGitter> <kazzkiq> Nope. Significantly slower (which I can imagine is expected, as it adds a big layers of features, being the full-featured framework it is).

18:27 <FromGitter> <kazzkiq> And when I mean "significantly", its relative to raw-Crystal. Its still a lot faster than most frameworks from other languages.

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18:28 <FromGitter> <kazzkiq> Here is kemal data from the same benchmark, got some serious performance upgrades, too:

18:29 <FromGitter> <kazzkiq> (https://files.gitter.im/crystal-lang/crystal/oPa3/Captura-de-Tela-2017-06-24-a_s-15.42.07.png)

18:31 <FromGitter> <krypton97> I guess I'ma stick to the standardlib in this case

18:31 <FromGitter> <krypton97> it's better so

18:34 <FromGitter> <sdogruyol> @kazzkiq it's because the kemal example was not performance optimised

18:34 <FromGitter> <sdogruyol> especially for json serialization

18:34 <FromGitter> <kazzkiq> If you need absolute performance, and don't mind getting your hands dirty implementing things yourself (which are out of the box in kemal), I can only agree.

18:35 <FromGitter> <sdogruyol> kemal is mostly optimized for simplicity and efficiency

18:35 <FromGitter> <kazzkiq> @sdogruyol Great to see you guys squeezing performance out of the framework. Awesome job with kemal btw :-)

18:35 <FromGitter> <sdogruyol> but considering the features it provides it's normal that there are some performance penalties compared to crystal http :)

18:36 <FromGitter> <sdogruyol> @kazzkiq thank you

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23:39 <FromGitter> <bcardiff> @chuanshuo crystal used to use libuv, but it then migrate to libevent. If I recall right, it was faster / lighter to use libevent that libuv. But asterite and waj are more aware of that story. I think that when using libuv inlining assembly was not an option. Today it is and the context switch is lighter also because of that. But I might be skipping some facts in the whole story.

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23:58 <thither> Why does Crystal produce such large binaries? Comparing a short crystal program to a short C program shows that the crystal binary is almost 200x the size of the C binary.