are you going to be having an extra special party when V8 goes v8 ?
What’s new in V8 v7.8? Streaming compilation on preload, WebAssembly C API, faster object destructuring and RegExp matching, and improved startup times! https://v8.dev/blog/v8-release-78 …
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Thanks again for jumping so quickly on the destructuring performance improvement. This allowed us to use compact emit for our ESM down-levelleling without compromising runtime performance. Credit to
@TChetwin for the original discovery.https://twitter.com/mkubilayk/status/1166360933087752197?s=19 …
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Nice to see a familiar face at the bottom
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Seems like https://github.com/envoyproxy/envoy-wasm … has integration with it for quite a while...
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Good stuff. Where could I find details on the early stop in RegExp matching?
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In case you are still curious, V8 released a blog post for just the RegExp improvement: https://v8.dev/blog/regexp-tier-up …
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What markers does it use to identify that the exception is from destructuring if it emits the same bytecode with the equivalent desugared variant?pic.twitter.com/ZfuuDnFIGW
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Painfully complex source position matching -- we re-parse the function, walk the AST, and try to find the AST node responsible for the exception at that position. If it's an assignment with LHS object literal, then it's a destructuring error.
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