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Guests in the Classroom: Felipe Esquivel (@felipeer) on the applications on parallelism, focusing on 3D animation

Submitted by gwolf on Fri, 05/08/2015 - 10:44

I love having guests give my classes :)

This time, we had Felipe Esquivel, a good friend who had been once before invited by me to the Faculty, about two years ago. And it was due time to invite him again!

Yes, this is the same Felipe I recently blogged about — To give my blog some credibility, you can refer to Felipe's entry in IMDb and, of course, to the Indiegogo campaign page for Natura.

Felipe knows his way around the different aspects of animation. For this class (2015-04-15), he explained how traditional ray-tracing techniques work, and showed clear evidences on the promises and limits of parallelism — Relating back to my subject and to academic rigor, he clearly shows the speed with which we face Amdahl's Law, which limits the efficiency of parallelization at a certain degree perprogram construct, counterpointed against Gustafson's law, where our problem will be able to be solved in better detail given more processing abilities (and will thus not hit Amdahl's hard ceiling).

A nice and entertaining talk. But I know you are looking for the videos! Get them, either at my server or at

Guests in the classroom: César Yáñez (@caesarcomptus) talks about memory assignation algorithms

Submitted by gwolf on Wed, 04/08/2015 - 11:47

Once again, on March 11 I had a great guest to save me some work and give a talk at my class! This time it was César Yáñez, and he talked about memory management algorithms, emphasizing on ARC.

The video is available, both at this server and in

Thanks a lot!

Presenting Kaz!

Submitted by gwolf on Mon, 05/19/2014 - 16:27
Presenting Kaz!

My guest and good friend Kaz, ready to start explaining the ext4 filesystem (and kernel module)

Kaz explaining ext4

Submitted by gwolf on Mon, 05/19/2014 - 16:25
Kaz explaining ext4

Kaz explaining ext4

Submitted by gwolf on Mon, 05/19/2014 - 16:19
Kaz explaining ext4
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