CS 395T: Computer System Performance Analysis

Spring 2025



Given below is the tentative schedule for this course

Lecture # Date Topic Reading
1 Tue, Jan 14 Introduction PIM: Matching in a switch
dcPIM: Matching in a datacenter
Optional:
How to read papers
2 Thu, Jan 16 Class cancelled due to 🛫 --
3 Tue, Jan 21 Class cancelled due to ❄️ --
4 Thu, Jan 23 Load balancing Valiant routing in a switch
Valiant routing in Google's datacenter
Optional:
Original paper by Valiant
5 Tue, Jan 28 Power of two choices Empirical blog
Survey of theory
Optional:
Sparrow scheduler
6 Thu, Jan 30 Notions of fairness I Chapter 2.2 (α-fairness) and 2.4 (NUM) of R. Srikant and Lei Y. (alpha fairness and NUM)
7 Tue, Feb 04 Notions of fairness II Dominant Resource Fairness
8 Thu, Feb 06 Notions of fairness III FairCloud (fairness is hard)
9 Tue, Feb 11 Process scheduling I Work stealing theoretical analysis
Optional:
Cilk programming model
Empirical analysis that concludes work stealing is best
10 Thu, Feb 13 Process scheduling II Decades of wasted cores in Linux
More bugs discovered through verification (section 5 only)
Optional:
Scheduler in Linux v4.6.8.1
11 Tue, Feb 18 When should we use which mathematical operation? Notes
Optional:
L1 vs L2 norms and compressed sensing
12 Thu, Feb 20 Caching replacement policies I Tim Roughgarden's beyond worst-case lecture 3
Tim Roughgarden's beyond worst-case lecture 4
13 Tue, Feb 25 Cache replacement policies II Caching with delayed hits
14 Thu, Feb 27 Incorporating ML in systems I ML improves the average. Theory bounds the worst
15 Tue, Mar 04 Incorporating ML in systems II Traffic engineering by using ML to solve LPs faster
Optional:
Solving computationally hard problems with AlphaZero
16 Thu, Mar 06 Incorporating ML in systems III --
17 Tue, Mar 11 Computational complexity in practice --
18 Thu, Mar 13 Signal processing tasting menu I --
19 Tue, Mar 25 Signal processing tasting menu II --
20 Thu, Mar 27 Congestion control I --
21 Tue, Apr 01 Congestion control II --
22 Thu, Apr 03 Guest lecture by Tegan Wilson Oblivious routing
23 Tue, Apr 08 Performance verification I --
24 Thu, Apr 10 Performance verification II --
25 Tue, Apr 15 Bounding performance I --
26 Thu, Apr 17 Abstractions that aid performance --
27 Tue, Apr 22 Project presentations I --
28 Thu, Apr 24 Project presentations II --