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Under the hood
Personal blog · richardartoul.github.ioprogrammingsystems
Under the hood is a personal blog at richardartoul.github.io about programming and systems. Since 2018, 4 different Hacker News readers have linked it 4 times. The last post was in 2015, but the archive is still widely read.
Too few sampled comments (2) to say how often HN recommends it.?
Why HN links it
Posts on JavaScript engine internals, such as V8 hidden classes and inline caches. One HN commenter cites a post to explain why V8 property access is fast or slow. Other comments are off-topic PHP and Java debates.
Summarised by Claude from a sample of 2 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
Most-linked posts?
- /jekyll/update/2015/04/26/hidden-classes.html2 people · 2 mentions · first linked 2018-07-13
What Hacker News says?
Because it uses hidden classes to get read in O(1) for an object property access. The slowdown comes from the inline cache as explained in below article. https://richardartoul.github.io/jekyll/update/2015/04/26/hid...
Comment linking /jekyll/update/2015/04/26/hidden-classes.html
on “Why the New V8 Is So Damn Fast”Submitted Show HN: Core Count, a tool to visualize your software’s physical footprint as a story · 5 points
HN discussion> This is true to an extent, but look at the time and money poured into PHP and how slow it still is after all these years. PHP7 isn't a slow language at all - it's much faster than previous versions actually. There are servers like aerys [1] that easily handle 10,000 concurrent requests on reasonable hardware. The reason sapi (read "regular") PHP isn't "faster" is because caching and the ease of deploying more serv…
Comment linking /jekyll/update/2015/04/26/hidden-classes.html
on “Should I Learn Java in 2018”Submitted JavaScript Hidden Classes and Inline Caching in V8 (2015) as a story · 2 points
HN discussion