From Computerphile. The algorithm for differentiation relies on some pretty obscure mathematics, but it works! Mark Williams demonstrates Forward Mode Automatic Differentiation. Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile This video was filmed and edited by Sean Riley. Computerphile is a sister project to Brady Haran’s…

From Computerphile. Relatively speedy-to-access cache saves your computer having to trudge over to the RAM, but with multiple levels of cache memory, how does it all work? Matt Godbolt is known as the creator of Compiler Explorer, among other things! Find out more about him here: https://xania.org/MattGodbolt Computerphile is supported by Jane Street. Learn more…

From Computerphile. An AI model that changed the fortunes of silicon valley overnight. Deep Seek has been released open source, and requires far less hardware and investment. Mike Pound is based at the University of Nottingham. EXTRA BITS: https://youtu.be/tMm7DYTGJ44 Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile…

From Computerphile. Quicksort is a well known algorithm for sorting, Professor Graham Hutton shows how it works and then how to implement it in just five lines of code! EXTRA BITS: https://youtu.be/7cEaRVEz__I Professor Hutton is based at the University of Nottingham: https://people.cs.nott.ac.uk/pszgmh/ Computerphile is supported by Jane Street. Learn more about them (and exciting career…

From Computerphile. Returning to the Markov Decision Process, this time with a solution. Nick Hawes of the ORI takes us through the algorithm, strap in for an epic episode! Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile This video was filmed and edited by Sean Riley. Computerphile…

From Computerphile. Delving into the various timescales I hereby your computer, and comparing it to an extremely slow human! Matt Godbolt takes us through computer time v human time! (All timings are approximate!) Many thanks to Space Potatoes for kind permission to use their music: https://2020rendezvous.com/ Computerphile is supported by Jane Street. Learn more about…

From Computerphile. Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile This video was filmed and edited by Sean Riley. Computerphile is a sister project to Brady Haran’s Numberphile. More at https://www.bradyharanblog.com

From Computerphile. The XZ Exploit was an incredible near miss. Dr Richard G Clegg of Queen Mary University London explains how a seemingly helpful contributor hid some code in part of a ubiquitous piece of software. Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile This video was…

From Computerphile. Path Tracing takes into account all sorts of indirect light sources to make graphics look real. Building on the previous videos on Ray Tracing, Lewis Stuart demonstrates how Path tracing samples indirect light to create these super scenes. #graphics #computerscience #pathtracing Computerphile is supported by Jane Street. Learn more about them (and exciting…

From Computerphile. As quantum devices become more accessible, there’s a whole area of software engineering opening up. Mohammad Mousavi specialises in software engineering for quantum computing. Mohammad Reza Mousavi is a professor of Software Engineering at King’s College London & one of the centre directors at King’s Quantum. Computerphile is supported by Jane Street. Learn…

From Computerphile. Bayesian logic is already helping to improve Machine Learning results using statistical models. Professor Mike Osborne drew us some sausage plots to explain the idea. Mike Osborne is Professor of Machine Learning at the University of Oxford – Find out more here: http://www.robots.ox.ac.uk/~mosb? Computerphile is supported by Jane Street. Learn more about them…

From Computerphile. What’s in a language? Dr Laurie Tratt breaks it down by creating a brand new programming language by writing an interpreter in a few lines of code. Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile More from Laurie: https://tratt.net/laurie/ Dr Laurence Tratt is programmer and…

From Computerphile. Modern CPUs manage to speed up even the simplest code, Matt Godbolt explains how there’s a lot of juggling going on even in the simple use of registers. Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile This video was filmed and edited by Sean Riley.…

From Computerphile. Malleable encryption means you can flip a bit in the encrypted message and the corresponding bit is flipped in the unencrypted plain text. Dr Tim Muller gives us some examples. nb This video is a reupload due to an audio problem with the first version. For those interested there were tones at approx…

From Computerphile. Ray Tracing seems straightforward, but what about reflections and refractions? Lewis Stuart explains how these are managed by a spot of recursion! Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile This video was filmed and edited by Sean Riley. Computerphile is a sister project to…