Keyboard shortcuts

Press ← or → to navigate between chapters

Press S or / to search in the book

Press ? to show this help

Press Esc to hide this help

PKU Introduction to Computer Systems

Welcome to Seminar of ICS26!

Instructor: Wenxin Li(李文新) lwx@pku.edu.cn

TA: Junqi Xu(许俊岐) qwq4006@stu.pku.edu.cn

Time: Wednesday 18:40–20:30

Location: 地学208

Codeberg: https://codeberg.org/Lychnis/pku-ics-course-materials

NEWS

Important

2026.10.20

Warning

This lab is very challenging. Please start early.

Arch Lab is released!

Due: Mon, Nov. 3 at 11:59pm

Estimated Time to Complete without AI: more than 10 hours

Estimated Time to Complete with AI: 20 minutes (weak LLM may fail)

Important

2026.10.8

Attack Lab is released!

Due: Mon, Oct 22 at 8:00am

Estimated Time to Complete without AI: 3 hours

Estimated Time to Complete with AI: 10 minutes (using GPT-6.1 Sol)

Important

2026.9.22

Bomb Lab is released!

Due: Thu, Oct 13 at 11:59pm

Estimated Time to Complete without AI or decompiler: 4 hours (1 more hour for 「CENSORED」)

Estimated Time to Complete with AI: 10 minutes (using GPT-5.6 Sol)

Estimated Time to Complete with decompiler: 5 minutes (you are cheating!)

Warning

Be careful! If you call explode_bomb on xLab, your score would be permanently blown off! (Well, minus 0.5 per call.)

Tip

You have to complete this lab on xLab at least once to gain score. But to protect your GPA, you could try to solve the puzzle locally first. Using GDB is also a good (and maybe necessary) choice.

Important

2026.9.14

Data Lab is released!

Due: Mon, Sep 28 at 8:00am

Estimated Time to Complete without AI: 4 hours

Estimated Time to Complete with AI: 5 minutes (depends on response time)

Tip

2026.9.13

The AutoLab website is now live at https://autolab.pku-ics.com!

SEPTEMBER 2026

Important

16 Weds.

Week 1 Note

Week 2 Slides

Week 2 Note

Important

23 Weds.

Week 3 Slides

Week 3 Note

Important

30 Weds.

Week 4 Slides

Week 4 Note

OCTOBER 2026

Important

14 Weds.

Week 6 Slides

Important

21 Weds.

Week 7 Slides