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
BASTA! 2021 - Deep Dive in async/await bei Back...
Search
Sponsored
·
Your Podcast. Everywhere. Effortlessly.
Share. Educate. Inspire. Entertain. You do you. We'll handle the rest.
→
Sebastian Gingter
September 21, 2021
Programming
380
0
Share
BASTA! 2021 - Deep Dive in async/await bei Backend-APIs
Slides zu meinem Vortrag auf der BASTA! 2021.
Sebastian Gingter
September 21, 2021
More Decks by Sebastian Gingter
See All by Sebastian Gingter
Pragmatische AI Agents: Mit LLMs, Tools & Gedächtnis zum Ziel
phoenixhawk
0
42
DDC 2025: p"AI"r Programming statt Vibe-Coding
phoenixhawk
0
66
EKON 2025 - Agents
phoenixhawk
0
110
EKON 2025 AI Coding
phoenixhawk
0
92
BASTA! 2025: Agents in Action: LLM's, Tools and Reasoning
phoenixhawk
0
100
From Zero to Hero: How to put GPT LLMs & Friends into your Applications
phoenixhawk
0
170
DWX 2025 - Talk to your data
phoenixhawk
0
56
BASTA! Spring 2025 - Halluzinationen, Prompt Injections & Co.
phoenixhawk
0
190
SEACON 2024 - Talk to your Data
phoenixhawk
0
220
Other Decks in Programming
See All in Programming
アーキテクチャモダナイゼーションとは何か
nwiizo
17
4.6k
瑠璃の宝石に学ぶ技術の声の聴き方 / 【劇場版】アニメから得た学びを発表会2026 #エンジニアニメ
mazrean
0
190
Strategy for Finding a Problem for OSS: With Real Examples
kibitan
0
140
PHPのバージョンアップ時にも役立ったAST(2026年版)
matsuo_atsushi
0
290
今からFlash開発できるわけないじゃん、ムリムリ! (※ムリじゃなかった!?)
arkw
0
190
[PHPerKaigi 2026]PHPerKaigi2025の企画CodeGolfが最高すぎて社内で内製して半年運営して得た内製と運営の知見
ikezoemakoto
0
340
Nuxt Server Components
wattanx
0
260
L’IA au service des devs : Anatomie d'un assistant de Code Review
toham
0
220
それはエンジニアリングの糧である:AI開発のためにAIのOSSを開発する現場より / It serves as fuel for engineering: insights from the field of developing open-source AI for AI development.
nrslib
1
830
VueエンジニアがReactを触って感じた_設計の違い
koukimiura
0
160
「接続」—パフォーマンスチューニングの最後の一手 〜点と点を結ぶ、その一瞬のために〜
kentaroutakeda
5
2.5k
ローカルで稼働するAI エージェントを超えて / beyond-local-ai-agents
gawa
2
260
Featured
See All Featured
A Guide to Academic Writing Using Generative AI - A Workshop
ks91
PRO
1
260
The Curious Case for Waylosing
cassininazir
0
290
Ethics towards AI in product and experience design
skipperchong
2
250
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
49
9.9k
Taking LLMs out of the black box: A practical guide to human-in-the-loop distillation
inesmontani
PRO
3
2.1k
Self-Hosted WebAssembly Runtime for Runtime-Neutral Checkpoint/Restore in Edge–Cloud Continuum
chikuwait
0
450
Mind Mapping
helmedeiros
PRO
1
150
Heart Work Chapter 1 - Part 1
lfama
PRO
5
35k
Measuring Dark Social's Impact On Conversion and Attribution
stephenakadiri
1
170
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
360
30k
Amusing Abliteration
ianozsvald
1
150
Designing Experiences People Love
moore
143
24k
Transcript
Thinktecture AG | Consultant
3 Deep-dive in async/await bei Backend-APIs
4 Deep-dive in async/await bei Backend-APIs ▪ ▪ ▪ ▪
▪ ▪ ▪ ▪ ▪ Twitter:
5 ▪ ▪ ▪ ▪ ▪ Deep-dive in async/await bei
Backend-APIs
6 ▪ ▪ ▪ ▪ ▪ ▪ Deep-dive in async/await
bei Backend-APIs
7 Deep-dive in async/await bei Backend-APIs Nein, aber effizienter!
8 Deep-dive in async/await bei Backend-APIs
9 ▪ ▪ ▪ ▪ ▪ ▪ ▪ Deep-dive in
async/await bei Backend-APIs
10 Deep-dive in async/await bei Backend-APIs Kern 1 Kern 2
Kern 3 Kern 4 P2 T1 P2 T2 P3 T1 P1 T2 P3 T2 OS Scheduler P1 T1
11 • • • ▪ ▪ ▪ ▪ ▪ Deep-dive
in async/await bei Backend-APIs * Zahlen für Windows, Quelle: “Windows Internals“, Solomin, Russinovich et al. Jeffrey Richter sagt hingegen: 30 ms in Windows, Linux hat andere Zeiten…
12 • • • • • • • • •
• Deep-dive in async/await bei Backend-APIs
13 Deep-dive in async/await bei Backend-APIs Kern 1 Kern 2
Kern 3 Kern 4 P2 T1 P2 T2 P3 T1 P1 T1 P3 T2 P1 T2 Kontext- Wechsel Kontext- & Prozess- Wechsel
14 • • • • • • • • •
Deep-dive in async/await bei Backend-APIs
15 Deep-dive in async/await bei Backend-APIs ALU & FPU Registers
0 Registers 1 CPU Core with Hyper-Threading Classic CPU Core
16 Deep-dive in async/await bei Backend-APIs Kern 1 Kern 2
Kern 3 Kern 4 P2 T1 P2 T2 MyProc T1 P1 T2 P1 T1 MyProc T2 MyProc T3 MyProc T4 MyProc T5 MyProc T7 MyProc T6
17 Deep-dive in async/await bei Backend-APIs • • • Quelle:
“Systems Performance: Enterprise and the Cloud“, 2013, Brendan Gregg, Pearson Verlag
18 Deep-dive in async/await bei Backend-APIs • • • •
• •
19 Deep-dive in async/await bei Backend-APIs
20 • • • • • • .ContinueWith() • Deep-dive
in async/await bei Backend-APIs
21 Deep-dive in async/await bei Backend-APIs Task Task-Liste Threadpool T1
Threadpool T2 Kern 1 Kern 3 Kern 2 Kern 4 Threadpool T3 Threadpool T4 Threadpool Management Jeder Pool-Thread arbeitet Tasks in einer Endlosschleife ab Completed Tasks
22 • • • • • 🤯 Deep-dive in async/await
bei Backend-APIs
23 Deep-dive in async/await bei Backend-APIs
24 ▪ ▪ ▪ ▪ ▪ ▪ ⏳ ▪ ▪
▪ Deep-dive in async/await bei Backend-APIs ReadFile API: https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-readfile
25 ▪ ▪ ▪ ▪ ▪ ▪ ⏳ ▪ Deep-dive
in async/await bei Backend-APIs ReadFile API: https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-readfile
26 Deep-dive in async/await bei Backend-APIs • • IAsyncResult BeginSomething()
• EndSomething(result) • • DoSomethingAsync() • event SomethingCompleted • • Task[<T>] DoSomethingAsync()
27 Deep-dive in async/await bei Backend-APIs
28 • • async Task<> MyMethodAsync() • • • await
OtherMethodAsync() • • await • • • • Deep-dive in async/await bei Backend-APIs
29 Deep-dive in async/await bei Backend-APIs
30 Deep-dive in async/await bei Backend-APIs
31 • • task.GetAwaiter().GetResult() → ❌ • Thread.Sleep() → ❌
• await Task.Delay() → ✔ • Thread.SpinWait() • → ❌ • → ✔ Deep-dive in async/await bei Backend-APIs
32 • • var task1 = DoSomethingAsync(); var task2 =
DoSomethingElseAsync(); await Task.WhenAll(task1, task2); • • • Task.Factory.StartNew(…, TaskCreationOptions.LongRunning); • • • Deep-dive in async/await bei Backend-APIs
33 • • • • Deep-dive in async/await bei Backend-APIs
34 Deep-dive in async/await bei Backend-APIs
35 ▪ ▪ ▪ ▪ ▪ ▪ Deep-dive in async/await
bei Backend-APIs
36 ▪ ▪ ▪ ▪ ▪ 😉 Deep-dive in async/await
bei Backend-APIs
None