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Table of contents
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Table of contents

0:00
Bun Is BlazinglyFast
1:06
The Code
4:08
The Methodology
4:57
The Results
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  • ruRussian
Download
00:00:00
bun a blazingly fast all-in-one
00:00:03
javascript runtime with graphs and
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science and everything this is supposed
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to be the greatest thing that happened
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to javascript in a long time and one of
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the more cool parts about it is that it
00:00:13
does not use v8 it uses javascript core
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and of course it's built using roth i
00:00:18
mean zig the greatest language ever
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written ever yes i'm in my white hoodie
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that means we're more on the front end
00:00:26
of things so therefore we are talking
00:00:28
about bun yes we're gonna also do node
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and yes i snuck in a touch of rust and
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we're gonna look at some performance
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numbers i created an extremely simple
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experiment just to try out buns see what
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it's like and yes it in its simplicity
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there's probably some air but i thought
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it would be a really fun time to check
00:00:46
it out now bun of course is so new so
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fresh off the presses it's less than a
00:00:51
week old for public consumption but the
00:00:54
promises the hype feels like we're gonna
00:00:56
have ourselves a blazingly fast time
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blazingly fast oh gosh i even like kind
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of scared myself saying that one i just
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let the crackhead loose there for a
00:01:06
second before i show you the results i
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should probably tell you what the
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experiment was it's an extremely simple
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experiment in which every single time
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someone makes a request i would store
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the json object that was made as part of
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the request body into a queue a part of
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the request path would be how long to
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keep it in that queue and then i would
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simply delete it i know it's kind of a
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weird thing to do but why would i hold
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on to an object for say 15 seconds well
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here's the reason why is that i wanted
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to be able to make sure that we're
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really exercising out the garbage
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collector i'm very curious to see what
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is the performance of v8 versus jsc and
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of course bun has very great integration
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with a lot of those you know the system
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calls and all that so hopefully we can
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see some really big wins in the bun
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department that just stomp no js so the
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first thing i do is i try to empty the
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queue we'll go over that in a second
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next if this is a status call then i
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just return the length of the queue next
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i grab the time required to be in the
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queue from the url parse out the body of
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course create a nice body message which
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has the expiry time which is now plus
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the time in queue and the message itself
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and then cue it you're probably saying
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to yourself at this point
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brian there's not a queue in in
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javascript it's not even a part it's not
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even a thing what are you doing you know
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what i'm i'm so upset i'm gonna hit the
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sub button and subscribe to your channel
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to show you will you do that
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right now and yes you are right i made
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my own cue right here called it list
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because that's uh that's what happens
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when you program it in front of a lot of
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people as fast as you possibly can you
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just name things dumb but either way
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it's just a simple queue that way i
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don't have any of the penalization that
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comes with using shift on an array in
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javascript it's technically not even
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really an array it's actually an array
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list but that's neither here nor there
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yes i use the exact same code inside of
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the fastify version which is going to be
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the node version and of course the empty
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queue function is rather simple it just
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simply gets the current time now and
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just keeps attempting to look at the
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queue until we finally are no longer in
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the past and dequeuing all the way along
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okay so this is a fairly simple
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experiment but prime you say
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what about the rust side of things well
00:03:08
i did the same things in rust okay
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there's nothing i can really show you
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that's very impressive other than i had
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to use a mutex i couldn't not use the
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mutex and it just emotionally damaged me
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so i think i could have gone even more
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blazingly faster if i would have not had
00:03:23
to use a mutex i tried to use the lock
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free cue i just couldn't quite get it
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because i need to be able to peek and
00:03:29
that just ruined everything so if you
00:03:31
think you're rustacious enough to drop
00:03:33
this lock then bank a pr baby oh but
00:03:36
prime where do we make a pr2 i'm happy
00:03:39
you asked again i let twitter name the
00:03:42
name and make me a logo and this is what
00:03:45
they came up with within one hour bun
00:03:47
spreader i'm so happy that this is now
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on my github how am i supposed to ever
00:03:51
get hired again oh yeah i also use
00:03:53
actics so hey there you go use some
00:03:56
weight you know uh async await probably
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could have squeezed out some more
00:04:00
performance out of rust but you know i
00:04:01
just gave this a first shot just right
00:04:03
at see what happens and it actually did
00:04:05
pretty dang well so let's go over the
00:04:08
results of this so i think it's very
00:04:10
important to talk about how i ran this
00:04:12
test now first i could have a test
00:04:14
client inside the lynode cloud and a
00:04:16
test server inside the lynode cloud i
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could make 50 to 200 parallel requests
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this was a tunable parameter to that
00:04:22
server instance then i could actually
00:04:24
have many clients making the same amount
00:04:27
of parallel requests which i did have
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four of them finally after running for
00:04:31
over 15 seconds which is the time in the
00:04:33
queue we'd reach some sort of steady
00:04:35
state on the queue and so then i could
00:04:37
make small requests for the queue size
00:04:39
from my machine and monitor how big the
00:04:41
cue was by spreading out the requests
00:04:43
onto several clients it ensures that my
00:04:46
clients are operating at maximum
00:04:47
efficiency and my server is truly under
00:04:49
load the test consisted of having four
00:04:51
clients doing 50 parallel requests 100
00:04:53
parallel requests 200 and for rust and
00:04:55
note i went up to 300 i did not go to
00:04:57
300 on button i'll explain why in just
00:04:58
one second all right so here we go here
00:05:01
are the results the thing you've been
00:05:02
waiting for we have node and blue bun
00:05:05
and red and rust in apparently turd rust
00:05:08
color which is actually quite great that
00:05:10
that happened now the first thing you'll
00:05:12
notice is that rust crushed it even with
00:05:15
a mutex involved i really wish i could
00:05:18
have got rid of that mutex i just
00:05:20
couldn't like i said please go spread
00:05:22
some buns and spread me some mutex love
00:05:24
by removing the mutex even gamozo was
00:05:27
quite disappointed in my inability to
00:05:29
remove the mutex while offering
00:05:32
absolutely no advice on removing said
00:05:34
mutex which means i probably will need
00:05:36
ben's help or the other ben's help now
00:05:39
the first thing you'll probably notice
00:05:40
about this graph is that the blue line
00:05:43
kind of peaks around 100 concurrent
00:05:44
requests and then just goes downhill
00:05:47
sadly blazingly sadly well it turns out
00:05:50
node just became more and more under
00:05:53
load and just couldn't perform well
00:05:55
whereas rust just kept getting better
00:05:57
and better and better obviously the
00:05:59
returns were diminishing it was kind of
00:06:00
hitting its saturation point but still
00:06:02
looks really really good but the most
00:06:04
interesting thing you're probably
00:06:05
spotting is bun so right away you'll see
00:06:07
that bun is yes better than node but not
00:06:10
a lot better than node at least with
00:06:12
this individual test i just kept getting
00:06:14
segmentation faults any time i exceeded
00:06:17
a hundred concurrent requests from four
00:06:18
different machines i just kept having
00:06:20
this happen to me if you're not
00:06:22
segmentationing in javascript are you
00:06:24
really even trying the answer is no no
00:06:27
you're not but to be completely fair i
00:06:28
was able one of the times to get bun run
00:06:31
at about 150 or 200 uh concurrent
00:06:34
requests without seg faulting for a few
00:06:36
minutes and when that did happen my
00:06:38
requests per second were closer to the
00:06:40
hundred thousand so it did a much better
00:06:42
perform than node it just was having
00:06:45
problems being consistent with and of
00:06:47
course bun is still in a very beta kind
00:06:50
of you know experiment obviously a whole
00:06:52
new runtime only really just shouldered
00:06:55
and muscled by an individual so there's
00:06:57
plenty of time to bake it to make even
00:06:59
better performance wins to make even
00:07:02
more amazing things but as you can see
00:07:04
even if bun were to get dramatically
00:07:06
better and be able to sustain itself and
00:07:08
then even improve beyond what i saw by
00:07:11
another fifty percent sixty percent it
00:07:14
still isn't going to be able to beat a
00:07:16
real language i do want to be real here
00:07:19
for a second so why don't you give the
00:07:20
video a quick like and then i can do
00:07:22
that for you
00:07:23
the thing about it is that yes it is so
00:07:26
much easier writing javascript than rust
00:07:28
this is just a fact you know anyone with
00:07:30
some experience in javascript can get
00:07:32
something up and running faster it is
00:07:34
just a simpler language and i recognize
00:07:37
that but rust is really really really
00:07:40
fast and i really wish that the more
00:07:43
performance-constrained environments
00:07:45
people would stop recommending node as a
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solution i think node is great for
00:07:49
exploration i think it's great for sites
00:07:51
that don't have a lot of traffic not
00:07:53
every single place is going to be some
00:07:55
sort of billion visits per day type of
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location so it doesn't matter there so
00:07:59
it is about trade-offs and i am willing
00:08:01
to concede that i don't think it's
00:08:03
horrible using javascript for servers
00:08:06
when there's not a heavy need for
00:08:07
performance but i will argue that it's
00:08:10
extremely easy to simply write something
00:08:12
and go and you can kind of get that
00:08:14
pretty darn good performance of rust but
00:08:17
with more of the simplicity of
00:08:19
javascript now of course i didn't use go
00:08:21
in this comparison i think it'd be uh
00:08:23
just too much i had a lot of fun
00:08:24
learning and kind of reading about bun
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and i think it has a really bright
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future if you have the time go check it
00:08:30
out uh jared did a great job it's hard
00:08:33
to say anything bad about it fantastic
00:08:35
experience i think the only person
00:08:37
that's probably sad is dino the dinosaur
00:08:40
because well the dinosaurs going extinct
00:08:42
again people and of course all of this
00:08:44
was built live on twitch because that's
00:08:46
just what we do okay if i'm not
00:08:48
screaming and coding then what am i
00:08:50
doing with my life probably fathering
00:08:52
many wonderful children siring as some
00:08:55
would say thanks beautiful wife

Description:

I cannot believe this! Is bun ackshually faster? The best way to find out is to write some amazing tests. ### Repo https://github.com/ThePrimeagen/BunSpreader ### Twitch Everything is built live on twitch Twitch : https://www.twitch.tv/ThePrimeagen Discord: discord.gg/ThePrimeagen ### Editor All my videos are edited by Flip. Give him a follow! https://twitter.com/flipmediaprod He is also open to do more editing, so slide deeeeeeeeep into his dms. ### Links Linode: https://linode.com/prime https://discord.com/invite/ThePrimeagen Twitch: https://www.twitch.tv/ThePrimeagen Insta: https://www.facebook.com/unsupportedbrowser Twitter: https://twitter.com/ThePrimeagen VimRC & i3: https://github.com/ThePrimeagen/.dotfiles Keyboard (15% off, I don't earn commission): https://kinesis-ergo.com/keyboards/advantage2-keyboard/ chapters 0:00 Bun Is BlazinglyFast 1:06 The Code 4:08 The Methodology 4:57 The Results

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