Top all-time · #21731
Seven Degrees Of Freedom
Personal blog · seven-degrees-of-freedom.blogspot.comprogrammingsystems
Seven Degrees Of Freedom is a personal blog at seven-degrees-of-freedom.blogspot.com about programming and systems. Since 2011, 3 different Hacker News readers have linked it 6 times. The last post was in 2011, but the archive is still widely read.
Too few sampled comments (2) to say how often HN recommends it.?
Why HN links it
HN readers cite this blog's posts on memory latency and performance. Commenters use them to support the point that memory access, not processor speed, is the bottleneck in programs.
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.
Programming without pants.
What Hacker News says?
While CPUs have gotten much faster (60%/year), memory hasn't kept up (barely 10%/year). Most programs spend much of their time moving data around in memory, because common programming styles lead to data that is extremely fragmented (poor locality) - memory is the bottleneck, not processor speeds. http://seven-degrees-of-freedom.blogspot.com/2009/10/latency...
Comment linking /2009/10/latency-elephant.html
on “That’s it, we’re quitting”Submitted Job Security Through Code Obscurity as a story · 29 points
HN discussionMemory speeds have increased much more slowly than processors have, so the cost of page faults, bad locality, etc. have grown proportionally worse over time. http://seven-degrees-of-freedom.blogspot.com/2009/10/latency...
Comment linking /2009/10/latency-elephant.html
on “Real cost of C++ exception vs error-code checking”Submitted Pitfalls of Object-Oriented Programming as a story · 5 points
HN discussionSubmitted Job Security through Code Obscurity (2011) as a story · 2 points
HN discussionSubmitted The Latency Elephant as a story · 2 points
HN discussion