Supercharging tutorials with WebAssembly

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Presented at All Things Open 2023 Presented by Robert Aboukhalil - CZI Title: Supercharging tutorials with WebAssembly Abstract: sandbox.bio is a free platform that features interactive command-line tutorials for bioinformatics. This talk is a deep-dive into how sandbox.bio was built, with a focus on how WebAssembly enabled bringing command-line tools like awk and grep to the web. Although these tools were originally written in C/C++, they all run directly in the browser, thanks to WebAssembly! And since the computations run on each user's computer, this makes the application highly scalable and cost-effective. Along the way, I'll discuss how WebAssembly works and how to get started using it in your own applications. The talk will also cover more advanced WebAssembly features such as threads and SIMD, and will end with a discussion of WebAssembly's benefits and pitfalls (it's a powerful technology, but it's not always the right tool!). Find more info about All Things Open: On the web: https://www.allthingsopen.org/ Twitter: https://twitter.com/AllThingsOpen LinkedIn: https://www.linkedin.com/company/all-things-open/ Instagram: https://www.instagram.com/allthingsopen/ Facebook: https://www.facebook.com/AllThingsOpen Mastodon: https://mastodon.social/@allthingsopen Threads: https://www.threads.net/@allthingsopen 2023 conference: https://2023.allthingsopen.org/

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• Compilation target for C/C++/Rust/…
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The presentation showcases the diverse real-world applications of Fused Deposition Modeling (FDM) across multiple industries: 1. **Manufacturing**: FDM is utilized in manufacturing for rapid prototyping, creating custom tools and fixtures, and producing functional end-use parts. Companies leverage its cost-effectiveness and flexibility to streamline production processes. 2. **Medical**: In the medical field, FDM is used to create patient-specific anatomical models, surgical guides, and prosthetics. Its ability to produce precise and biocompatible parts supports advancements in personalized healthcare solutions. 3. **Education**: FDM plays a crucial role in education by enabling students to learn about design and engineering through hands-on 3D printing projects. It promotes innovation and practical skill development in STEM disciplines. 4. **Science**: Researchers use FDM to prototype equipment for scientific experiments, build custom laboratory tools, and create models for visualization and testing purposes. It facilitates rapid iteration and customization in scientific endeavors. 5. **Automotive**: Automotive manufacturers employ FDM for prototyping vehicle components, tooling for assembly lines, and customized parts. It speeds up the design validation process and enhances efficiency in automotive engineering. 6. **Consumer Electronics**: FDM is utilized in consumer electronics for designing and prototyping product enclosures, casings, and internal components. It enables rapid iteration and customization to meet evolving consumer demands. 7. **Robotics**: Robotics engineers leverage FDM to prototype robot parts, create lightweight and durable components, and customize robot designs for specific applications. It supports innovation and optimization in robotic systems. 8. **Aerospace**: In aerospace, FDM is used to manufacture lightweight parts, complex geometries, and prototypes of aircraft components. It contributes to cost reduction, faster production cycles, and weight savings in aerospace engineering. 9. **Architecture**: Architects utilize FDM for creating detailed architectural models, prototypes of building components, and intricate designs. It aids in visualizing concepts, testing structural integrity, and communicating design ideas effectively. Each industry example demonstrates how FDM enhances innovation, accelerates product development, and addresses specific challenges through advanced manufacturing capabilities.

Best Programming Language for Civil Engineers

Awais Yaseen

The integration of programming into civil engineering is transforming the industry. We can design complex infrastructure projects and analyse large datasets. Imagine revolutionizing the way we build our cities and infrastructure, all by the power of coding. Programming skills are no longer just a bonus—they’re a game changer in this era. Technology is revolutionizing civil engineering by integrating advanced tools and techniques. Programming allows for the automation of repetitive tasks, enhancing the accuracy of designs, simulations, and analyses. With the advent of artificial intelligence and machine learning, engineers can now predict structural behaviors under various conditions, optimize material usage, and improve project planning.

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Supercharging tutorials with WebAssembly

1. Supercharging tutorials with WebAssembly Robert Aboukhalil robert.bio

3. How? awk.wasm WebAssembly Containers 💸 💸 💸 💸 💸 💸

4. WebAssembly

5. What is WebAssembly? • Compilation target for C/C++/Rust/… WebAssembly HTML CSS JavaScript char * hello() { return "All Things Open"; } (module (table 0 anyfunc) (memory $0 1) (data (i32.const 16) "All Things Open00") (export "memory" (memory $0)) (export "hello" (func $hello)) (func $hello (; 0 ;) (result i32) (i32.const 16) ) ) WebAssembly Text (WAT) 🖥 Browser

6. 💻 Code Reuse sql.js Figma Photoshop Google Earth

7. ⚡ Performance TensorFlow.js 1Password eBay GenomeRibbon.com

8. Cloudﬂare, Fastly 📦 Portability Wasmtime, Wasmer Node, Deno Wasm3

9. How to get started Compile C/C++ → WebAssembly gcc → emcc g++ → em++ ar → emar make → emmake cmake → emcmake configure → emconfigure

10. Emscripten $ emcc seqtk.c -o seqtk.wasm -O2 -lm -s USE_ZLIB=1 $ gcc seqtk.c -o seqtk -O2 -lm –lz ./seqtk fqchk data.fastq Module.callMain(["fqchk", "data.fastq"])

11. # Compile grep to WebAssembly $ ./bootstrap $ sed -i 's|if ${gl_cv_func_sleep_works+:} false|if true|g' configure $ sed -i 's|if ${ac_cv_search_nanosleep+:} false|if true|g' configure $ sed -i 's|if ${gl_cv_func_nanosleep+:} false|if true|g' configure $ sed -i 's/getprogname ()/"grep"/g' src/grep.c $ emconfigure ./configure --disable-nls $ emmake make all -k CC=emcc WERROR_CFLAGS="" EXEEXT=.js CFLAGS="-O2 -s USE_ZLIB=1 -s INVOKE_RUN=0 -s FORCE_FILESYSTEM=1 -s EXPORTED_RUNTIME_METHODS=["callMain","FS","WORKERFS"] -s MODULARIZE=1 -s ENVIRONMENT="web,worker" -s ALLOW_MEMORY_GROWTH=1 -s ERROR_ON_UNDEFINED_SYMBOLS=0" -lworkerfs.js It's not always that easy…

12. Speaking of which… levelupwasm.com

13. Tools for data-intensive apps

14. Threads • Use WebWorkers to run JS/WebAssembly in separate threads • Shared memory with SharedArrayBuffer

15. SIMD • SIMD = Single Instruction Multiple Data • Support for 128-bit SIMD • Example: Add 32-bit integers 32-bit integer 32-bit integer 32-bit integer 32-bit integer 32-bit integer 32-bit integer 32-bit integer 32-bit integer

16. Test drive Source: WebAssembly and SIMD: A match made in the browser WebAssembly without SIMD WebAssembly + SIMD Native

17. When not to use WebAssembly

18. When not to use WebAssembly Too little or too much computation (in the browser) Frontend UI High-CPU, high-RAM, long running analysis Sweet Spot: audio/video processing, gaming, simulations, playgrounds, etc.

19. When not to use WebAssembly Pre-compiled tools are available biowasm ffmpeg.wasm

20. When not to use WebAssembly Trying to replace containers Sweet Spot: safely running user-provided code, serverless functions

21. Learn more @ levelupwasm.com PerfMatters 2019 WasmSF Meetup 2019 Crossing the Wasm Chasm levelupwasm.com/free Share feedback in the EventMobi app

Supercharging tutorials with WebAssembly

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