CppCon 2014: Chandler Carruth "Efficiency with Algorithms, Performance with Data Structures"

Why HN readers recommended it

A perennial recommendation for anyone learning performance optimization, cited whenever hash tables, cache behavior or STL containers come up.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel

CppCon

Topic

c++ performance

Format

talk

Level

intermediate

HN recommenders in dataset

7

HN mentions in dataset

15

Recommendation years in dataset

2014–2024

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

• There are many things in the standard C++ library which are named incorrectly (std::string), awkwardly (std::unordered_map) and and implemented inefficiently from the perspective of modern CPUs (same std::unordered_map, which uses linked list for the underlying hash table buckets). See the great talk on CppCon 2014 …

• Strongly agree. That's perhaps less true for the software I work on these days (lapack), but I've seen that so many times over my career. I'm also a big fan of "Efficiency with Algorithms, Performance with Data Structures" by Chandler Carruth at CppCon 2014. [VIDEO]

• Chandler Carruth's CPPCon talk [0] this year was also great (surprisingly, as I had a fairly low opinion of most of the others). It wasn't better than Mike Acton's [1], but I suspect that it was more actionable for most devs. [0] [VIDEO] [1] [LINK]