Tuning Node
summary
Shows concrete V8 edits that change performance: functions shorter than 600 characters get inlined and drop a loop from about 10s to ~2s, changing the flag max_inline_source_size=1000 yields the same speed for a bloated function, and enabling allow_native_syntax lets JavaScript call the C++ %SetFlags to mutate V8 at runtime. Demonstrates an HTTP endpoint that flips the flag mid-run and cuts responses from ~121ms to a fraction, and cites a real product (Dillinger) as an example of things built on Node and V8.
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chapters (4)
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