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![Swift Scripts
#!/usr/bin/env swift
let fruits = ["Banana", "Mango", "Apple", "Orange"]
let sortedFruits = fruits.sorted{$0 < $1}
print(sortedFruits)
chmod +x sort.swift
./sort.swift](https://image.slidesharecdn.com/smgserversideswiftsunum-161226092445/85/Server-Side-Swift-30-320.jpg)
Uploaded bySoftware Infrastructure
Server Side Swift
This document discusses server-side Swift, including: - An overview of the history and growth of programming languages from the 1940s to today. - Features of the Swift programming language like variables, optionals, and closures. - Tools for server-side Swift development like the Swift Package Manager. - Benefits of using Swift for server applications like performance, safety, and Apple support. - Popular web frameworks for Swift including Perfect, Vapor, and Kitura. - Benchmarking server applications written in Swift.
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Server Side Swift
- 1. Server Side Swift HüseyinAPTİOĞLU | Software Infrastructure
- 2. Agenda • Crash-Course Swift •Swift Package Manager • Server Side • Benchmarking
- 3. Swift • 1940s ->9 programming languages • 1950s -> 58 programming languages • Fortran (concept) • Fortran II • Lisp • … • 1960s -> 113 programming languages • Fortran IV • Basic • Cobol • … • 1970s -> 170 programming languages • Pascal • Smaltalk • C • …. • 1980s -> 231 programming languages • Turbo Pascal • Erlang • C ++ • Objective C • …. http://www.slideshare.net/GiordanoScalzo/the-joy-of-serverside-swift-development?qid=c2bc7c73-5bac-47e1-b834-45ac4b35edde&v=&b=&from_search=7
- 4. Swift • 1990s ->292 programming languages • Python • Java • Ruby • Visual Basic • Delphi • …. • 2000s -> 339 programming languages • C# • Scala • Go • …. • 2010s -> 354 programming languages • Rust • Kotlin • Elm • …. http://www.slideshare.net/GiordanoScalzo/the-joy-of-serverside-swift-development?qid=c2bc7c73-5bac-47e1-b834-45ac4b35edde&v=&b=&from_search=7
- 5. Swift • 355. Swift •v1.0 in September 2014 • Opened in Dec 2015 • v2.2 first ver. in the Open • v3.0.1
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- 14. Swift Tour and more… • Enumerations • Inheritance • Initialization • Error Handling • Type Casting • Generics • Access Control • … • …
- 15. Swift Why is Swifta good choice for server-side ? • Fast • Modern • Safe • Interactive • Open Source • Apple
- 16. Server-side App TradeOff Why is Swift a good choice for server-side ?AppPerformance Developer Productivity C C++ Obj.C Java Perl JavaScript Python Ruby Lua Groovy
- 17. ARC Automatic Reference Counting(ARC) Swift manages the memory for you, but unlike many other high level languages, it doesn’t use a garbage collector to do this. - No periodically running - No pause - The CPU cycles for your own program
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- 19. LLVM LLVM is actuallyan umbrella project that includes a variety of compilers and low level tools In short, LLVM compiles your code to a platform-neutral Intermediary Representation (IR), which can then be optimised and converted to the desired architecture. This allows all platform optimisation efforts to be concentrated in one place For Swift, Apple added a new layer to this architecture: the Swift Intermediate Language (SIL).
- 20. SPM Swift Package Manager •Part of Swift 3 • Init project • Generate Xcode Proj • Resolve dependencies The Swift Package Manager is a tool for managing the distribution of Swift code. It’s integrated with the Swift build system to automate the process of downloading, compiling, and linking dependencies. Package.swift
- 21. Swift • Swift iseasier to read • Swift is easier to maintain • Swift is safe • Swift is unified with memory management • Swift requires less code Swift vs Objective-C
- 22. Swift Swift vs Java Swiftversion 3.0-dev (LLVM 491f98861f, Clang 2ff6ce54d0, Swift fd4bd4c965) swift-DEVELOPMENT-SNAPSHOT-2016-11-29-a-ubuntu16.04 Target: x86_64-unknown-linux-gnu java version "1.8.0_92" Java(TM) SE Runtime Environment (build 1.8.0_92-b14) Java HotSpot(TM) 64-Bit Server VM (build 25.92-b14, mixed mode) https://benchmarksgame.alioth.debian.org/u64q/swift.html
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- 26. open-source Officially, only Linuxis supported
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- 29. Install swift tolinux • Install required dependencies $ sudo apt-get install clang libicu-dev • Download the latest swift binary release from https://swift.org/download/#releases • Extract the archive $ tar xzf swift-<VERSION>-<PLATFORM>.tar.gz • Add the Swift toolchain to your path $ export PATH=/path/to/usr/bin:"${PATH}" • Test with REPL (Read Eval Print Loop)
- 30. Swift Scripts #!/usr/bin/env swift letfruits = ["Banana", "Mango", "Apple", "Orange"] let sortedFruits = fruits.sorted{$0 < $1} print(sortedFruits) chmod +x sort.swift ./sort.swift
- 31. Creating an Executable Contentsof file hello.swift println("Hello world") $ swiftc hello.swift $ ./hello Hello world
- 32. Web Frameworks • Perfect(9871) • Vapor (7786) • IBM Kitura (5002) • Swifton (2042) • Swifter (1852) • Zewo (1502) • … • ... • ...
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- 36. Benchmarking wrk -d 10m-t 4 -c 20 http://10.0.1.11:(PORT)/blog
- 37. Benchmarking wrk -d 10m-t 4 -c 20 http://10.0.1.11:(PORT)/json
- 38. Ready for Production? NotYet !!! - Web frameworks < 1 year - Server = Maturity
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