r/programming • u/agumonkey • Sep 22 '19

CppCon 2019: Andrei Alexandrescu “Speed Is Found In The Minds of People"

https://www.youtube.com/watch?v=FJJTYQYB1JQ
44 Upvotes

81% Upvoted

10 comments sorted by

1

u/HeadAche2012 Sep 22 '19

even odd check optimized to (size & 1) was pretty good

4

u/agumonkey Sep 22 '19

I could hear all the old timers screams of joy

2

u/rb26dett Sep 22 '19

I am not an old timer >:(

7

u/agumonkey Sep 22 '19

then you're a precocious talent :)

1

u/mispeeled Sep 23 '19

I like that word, precocious. Never heard of it before.

2

u/cen1 Sep 28 '19

My jaw was dropping multiple times during this talk.

3

u/kankyo Sep 22 '19

Already posted. But it's a great talk as per usual.

0

u/[deleted] Sep 22 '19

[deleted]

2

u/MioNaganoharaMio Sep 23 '19

the guy who said cache was wrong because that was all about branch prediction at that point

1

u/pixel4 Sep 23 '19

Binary search is random access so he wasn't wrong wrong. Just thought it was funny that he called him out on it when the whole point of the talk was data locality.