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New Apr 29, 2025
Giving V8 a Heads-Up: Faster JavaScript Startup with Explicit Compile Hints
Getting JavaScript running fast is key for a responsive web app. Even with V8's advanced optimizations, parsing and compiling critical JavaScript during startup can still create performance bo...
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New Mar 25, 2025
Land ahoy: leaving the Sea of Nodes
V8’s end-tier optimizing compiler, Turbofan, is famously one of the few large-scale production compilers to use Sea of Nodes (SoN). However, since almost 3 years ago, we’ve started to get rid of Sea o...
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New Feb 25, 2025
Turbocharging V8 with mutable heap numbers
At V8, we're constantly striving to improve JavaScript performance. As part of this effort, we recently revisited the JetStream2 benchmark suite to eliminate performance cliffs. This post details a sp...