Tagged: assemblyscript
Posts filed under assemblyscript.

June 1, 2026 · PerformanceValidating UTF-8 at Gigabytes per Second
Porting simdutf's lookup-table UTF-8 validator to 128-bit WebAssembly SIMD, plus an ASCII fast path that pushes mostly-ASCII text past 58 GB/s.
performanceassemblyscriptwebassembly
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March 30, 2026 · PerformanceQuickly detecting Escapes with SWAR
A compact SWAR trick for detecting quotes, backslashes, control characters, and non-ASCII UTF-16 lanes while serializing JSON strings.
performanceswarassemblyscript
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March 27, 2026 · TestingTesting in AssemblyScript
A practical guide to setting up tests in AssemblyScript, using snapshots, mocking, fuzzing, and running against real runtimes with as-test.
testingassemblyscriptwebassemblyperformance
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March 26, 2026 · PerformanceQuickly parsing Unicode Escapes with SWAR
Parsing JSON unicode escape sequences with SWAR instead of branches or lookup tables.
performanceswarassemblyscript
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March 26, 2026 · TestingFuzzing in AssemblyScript
How to add practical property-based fuzzing to an AssemblyScript project with as-test.
testingfuzzingassemblyscriptwebassembly
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