CS & research
5 items · 9 articles in this topic
A light day. The strongest items are about measurement and performance: unreliable hardware counters and the continuing limits of memory latency.
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Researchers show x86_64 hardware performance counters for retired instructions are nondeterministic and overcount across eleven processor implementations. Anyone relying on those counters for reproducible profiling should check the results.
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A blog post argues memory latency, not compute, is the main bottleneck limiting performance.
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The Futhark blog describes speeding up GPU memory copies by permuting iteration spaces, in effect optimising the identity function.
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A 2003 survey paper classifies just-in-time compilation systems across forty years of work from 1960 to 2000.
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An expository post shows how to build a quine from Kleene's second recursion theorem.
Hacker News (front page) ↗9 min read
More in CS & research · 4 articles›
An analysis finds that knowing 86% of words in anime dialogue yields only about 38% comprehension of lines.
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Article URL: https://learnfromx.com/research/anime-word-coverage-vs-lines-understood Comments URL: https://news.ycombinator.com/item?id=50320028 Points: 3 # Comments: 0
An article argues for avoiding public functions that call other public functions in code design.
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A blog post presents an LC-3 assembly disassembler implemented in Haskell.
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Jepsen published a distributed-systems correctness test report for ParticleDB version 1.1.4.
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