deoptigate
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thlorenz
⏱️ Investigates v8/Node.js function deoptimizations.
Hi! This is a very interesting approach. I was wondering if it was possible to plug Deoptigate to a frontend running code like a VueJS or React project. From my...
doing ``` ~$ node -v 16.13.2 ~$ node --trace-deopt --prof app ~$ deoptigate ``` writes the `--trace-deopt` output to the console, and the `--prof ` generates the log file that...
I am trying to use this to test my code but i get this (Node 17.4.0): ``` > deoptigate .\test-perf.mjs **snip**\nodejs\node.exe: bad option: --trace-ic deoptigate 💪 process completed with code...
I am using deoptigate to find out bottlenecks for my node application and I see a lot of functions in an optimizable state but I don't understand if this is...
I wasn't able to get this to work. It seems to be broken badly in multiple ways. Perhaps it's time to recommend in the docs that users look at v8's...
So far I noticed this for IC info - row, column and map fields are not read property. I don't mind submitting pull request, but need a bit of guidance:...
I'm experiencing a deopt inside node code, specifically associated with `realpathSync`. When I ran with `--trace-depot` the output included this: ``` [bailout (kind: deopt-soft): begin 0x223578911fb1 (opt #5) @50, FP...
`npx` has been part of `npm` as of v5.2, in mid 2017. and will run any tool that is not installed globally by just fetching it and then running it...
Just wondering if you had thoughts on adding support for map transitions. I started wondering after having look at [Indicum](https://v8.dev/blog/system-analyzer). It looks like it would really well complement "Inline caches"...
Link in the "About" section doesn't work: https://nodesource.github.io/deoptigate-examples/xml2js/01_start/?selectedFileIdx=31&selectedLocation=157&includeAllSeverities=false&highlightCode=true&selectedTabIdx=1&selectedSummaryTabIdx=1