Indicium: V8 runtime tracer tool · V8
Show navigation Indicium: V8 system analyzer #The past three months have been an awesome learning experience for me as I've joined the V8 team (Google London) as an intern, and have been working on a new tool called Indicium. This system analyzer is a unified web interface to trace, debug and analyse patterns of how Inline Caches (ICs) and Maps are created and modified in real-world applications.
Node.js Profiling in WebStorm. Part 1: CPU Profiling. | The WebStorm Blog
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JavaScript Memory Management Masterclass
Video: https://www.youtube.com/watch?v=LaxbdIyBkL0 Presented at at the Google WebPerf Special (London WebPerf Group), August 26th 2014. Efficient JavaScript webapps need to be fluid and fast. Any app with significant user interaction needs to consider how to effectively keep memory usage down because if too much is consumed, a page might be killed, forcing the user to reload it and cry in a corner
Unoptimize V8 for Easy Debugging - Moshe's Blog
Every now and then I need to debug something in DevTools and I get this puzzling error: That’s V8 optimizing the function and seeing that thing isn’t used in the function and therefore not putting it into the closure scope. There are a couple of ways to break this optimization, one is to use thing somewhere in the debugging function, however the problem with this is that you must enumerate all the
JavaScriptStackTraceApi邦訳。Errorオブジェクトのstackについて。 | Ginpen.com
Google ChromeやNode.jsで利用可能なAPIです。Firefox等には搭載されていません。（まーあんまり使う場面なさそうですけど。） http://code.google.com/p/v8/wiki/JavaScriptStackTraceApi 以下、翻訳です。 All internal errors thrown in V8 capture a stack trace when they are created that can be accessed from JavaScript through the error.stack property. V8 also has various hooks for controlling how stack traces are collected and formatted, and for allowing custom
Release the IRHydra!
Compilers are not magical beasts. They are steampunk machines grinding your perfectly structured source into incomprehensible mess of native code. The better the compiler - the finer the grind and stronger our performance espresso. What’s not to like? When however something clogs compiler’s pipes, we find ourselves staring at square meters of intermediate representation printouts and deoptimizatio
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GitHub - uber-archive/node-stap: Tools for analyzing Node.js programs with SystemTap. This project is deprecated and not maintained.
GitHub - alinex/node-error: Easy and powerful customizable error hander for node. Error handling comes out of the box with lots of config settings.
GitHub - tj/better-assert: c-style assert() for nodejs, reporting the expression string as the error message