performance
2:50:14Simple Code, High Performance
463K views • 5 years ago
Molly Rocket
Casey Muratori's University of Twente guest lecture is a case study in how straightforward code can cut thousands of lines and tens of seconds of runtime down to a few dozen lines running in under a second. It uses concrete examples to show why software is often an order of magnitude slower than it should be.
18:41Refterm Lecture Part 1 - Philosophies of Optimization
93K views • 5 years ago
Molly Rocket
Casey Muratori's first refterm lecture lays out philosophies of optimization, distinguishing optimization from non-pessimization, which means avoiding needless work. It uses his fast terminal renderer project to show how fast computers really are.
Topic match · Software performance & optimization
42:21Where Does Bad Code Come From?
282K views • 5 years ago
Molly Rocket
Casey Muratori's invited lecture on where bad code comes from, rebroadcast from a Twitch stream. He critiques conventional wisdom such as SOLID and Clean Code and argues about how those habits lead to slow, poorly structured software.
Topic match · Software performance & optimization
52:54Rust at speed — building a fast concurrent database
225K views • 7 years ago
Jon Gjengset
A guest lecture Jon Gjengset gave at Two Sigma on using Rust for large, high-performance systems. It covers why Rust suits such projects, the Noria research database, a concurrent data structure used in it, and practical experience.
Topic match · Software performance & optimization
2:04Admiral Grace Hopper Explains the Nanosecond
163K views • 14 years ago
funbury
Admiral Grace Hopper holds up a length of wire to show how far light travels in a nanosecond, about 11.8 inches. She explains how she made the idea concrete to people who could not picture a billionth of a second.
1:11:48Math Encounters -- Five Balls, Two Hands: The Patterns of Juggling -- Colin Wright (Presentation)
33K views • 14 years ago
National Museum of Mathematics
Mathematician Colin Wright demonstrates juggling and explains the mathematics of juggling patterns, including notation that led to new throwing patterns. It is a public presentation at the Museum of Mathematics aimed at a general audience.
Topic match · Magic, puzzles & curiosities
1:20:09Confessions of a Converted Lecturer: Eric Mazur
207K views • 16 years ago
UMBCtube
Harvard physicist Eric Mazur explains how he realized his students were memorizing rather than understanding, and how he changed his teaching. He presents peer instruction and data showing improved student performance.
1:19:38John Hennessy and David Patterson 2017 ACM A.M. Turing Award Lecture
150K views • 8 years ago
Association for Computing Machinery (ACM)
Hennessy and Patterson's 2018 Turing Award lecture at ISCA, A New Golden Age for Computer Architecture. It covers domain-specific hardware, security, open instruction sets and agile chip development.