Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
As fast as C?
Search
Felix Geisendörfer
June 27, 2012
Programming
0
400
As fast as C?
Talk given at the London Node.js User Group.
Felix Geisendörfer
June 27, 2012
Tweet
Share
More Decks by Felix Geisendörfer
See All by Felix Geisendörfer
tus.io - Resumable File Uploads (Lightning Talk)
felixge
2
750
Programming flying robots with JavaScript
felixge
2
920
Programming flying robots with JavaScript
felixge
0
570
Programming an AR Drone Firmware with JS (de)
felixge
1
590
Faster than C?
felixge
1
1.2k
Flying robots over a 10.000 mile distance with JavaScript.
felixge
0
450
Faster than C?
felixge
1
600
The power of node.js (with quadcopters)
felixge
0
470
Faster than C?
felixge
0
390
Other Decks in Programming
See All in Programming
Drawing Heighway’s Dragon- Recursive Function Rewrite- From Imperative Style in Pascal 64 To Functional Style in Scala 3
philipschwarz
PRO
0
110
CloudNativePGを布教したい
nnaka2992
0
120
なぜイベント駆動が必要なのか - CQRS/ESで解く複雑系システムの課題 -
j5ik2o
14
4.8k
仕様変更に耐えるための"今の"DRY原則を考える
mkmk884
9
3.2k
5分で理解する SOLID 原則 #phpcon_nagoya
shogogg
1
390
CSS Linter による Baseline サポートの仕組み
ryo_manba
1
160
ML.NETで始める機械学習
ymd65536
0
240
Rubyで始める関数型ドメインモデリング
shogo_tksk
0
140
SwiftUI Viewの責務分離
elmetal
PRO
2
280
良いコードレビューとは
danimal141
7
3.7k
生成AIで加速するテスト実装 - ロリポップ for Gamersの事例と 生成AIエディタの活用
kinosuke01
0
130
Datadog DBMでなにができる? JDDUG Meetup#7
nealle
0
150
Featured
See All Featured
The Straight Up "How To Draw Better" Workshop
denniskardys
232
140k
Understanding Cognitive Biases in Performance Measurement
bluesmoon
27
1.6k
Principles of Awesome APIs and How to Build Them.
keavy
126
17k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
160
15k
Typedesign – Prime Four
hannesfritz
41
2.5k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
356
29k
Building a Scalable Design System with Sketch
lauravandoore
461
33k
Rebuilding a faster, lazier Slack
samanthasiow
80
8.9k
Build your cross-platform service in a week with App Engine
jlugia
229
18k
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
irinanazarova
6
580
Imperfection Machines: The Place of Print at Facebook
scottboms
267
13k
Optimizing for Happiness
mojombo
377
70k
Transcript
As fast as C? Writing high performance stream parsers in
JS. Felix Geisendörfer June 27, 2012 - London Node.js User Group
Thanks Forward!
Felix Geisendörfer
(@)felixge(.de)
core contributor
transloadit.com
~50 npm modules
node-formidable
node-mysql
Parser Geeks?
As fast as C?
Dubious Benchmarks Ahead!
Selecting 100k blog post rows
None
None
0 15000 30000 45000 60000 node-mysql-0.9.6 node-mysql-libmysqlclient-1.3.3 node-mysql-2.0.0-alpha3 53966 36429
20968 Rows per Second node-mysql-0.9.6 node-mysql-libmysqlclient-1.3.3 node-mysql-2.0.0-alpha3 https://github.com/felixge/mysql-client-benchmarks
0 17500 35000 52500 70000 node-mysql-0.9.6 node-mysql-libmysqlclient-1.3.3 node-mysql-2.0.0-alpha3 php-mysqlnd-5.13 68097
53966 36429 20968 Rows per Second node-mysql-0.9.6 node-mysql-libmysqlclient-1.3.3 node-mysql-2.0.0-alpha3 php-mysqlnd-5.13 https://github.com/felixge/mysql-client-benchmarks
Pure node.js parsers can compete with C Addons
Lessons Learned
Practice
Benchmark First
Buffering can be good!
Code!
it
Sponsors
They’re hiring! @dan_jenkins
Also hiring!
Questions? ” http://felixge.de/ felix@debuggable.com @felixge
Algorithms
------------------------------4a62195680a6 Content-Disposition: form-data; name="upload1"; filename="file1.txt" Content-Type: text/plain file 1 data
... ------------------------------4a62195680a6 Content-Disposition: form-data; name="upload2"; filename="file2.txt" Content-Type: text/plain file 2 data ... ------------------------------4a62195680a6-- Example: Multipart (File Uploads)
Lots and lots of file data ... ------------------------------4a62195680a6 Naive Boundary
Search: One byte at a time