#Performance Engineering — Kunal Ganglani

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Rust WASM vs TypeScript Performance: Why TS Was 25% Faster

A developer rewrote a Rust WASM JSON parser in TypeScript and it ran 25% faster. Here's why the JS/WASM bridge kills performance for the wrong workloads.

jemalloc, tcmalloc, performance-engineering, p99-latency, memory-allocator

Technology

jemalloc vs malloc vs tcmalloc: Fix P99 Latency Spikes

Your server's default memory allocator is almost certainly the wrong choice for concurrent workloads. Here's how jemalloc and tcmalloc crush P99 latency without changing a single line of code.

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