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Deconstruct the WebAssembly virtual machine from raw bytecode opcodes to the evaluation stack, 64KB Linear Memory pages, and the language-agnostic Component Model.
Why WebAssembly delivers predictable, rock-solid 60 FPS computation without deoptimization spikes.
Source code must be downloaded, parsed into an AST, interpreted with bytecode profiling, and JIT-compiled at runtime. Hidden class mutations trigger slow deoptimization bailouts.
Compact binary format with direct single-pass streaming compilation. Types are statically checked, guaranteeing deterministic CPU performance with zero runtime deoptimizations.
The structure of .wasm binary modules, magic preamble 0x00 0x61 0x73 0x6d, and section tables.
Reading and writing human-readable S-expressions, module declarations, and function signatures.
How the evaluation stack pushes operands, pops arguments, and computes results.
Why Wasm bans arbitrary goto jumps in favor of structured block, loop, and branch labels.
Managing 64KB memory pages, raw byte manipulation, and sharing memory with JavaScript TypedArrays.
Encoding UTF-8 strings into Linear Memory, passing pointers, and decoding return buffers.