CMU

How I Found a Subtle Bug Hiding in a CMU 15-418/618 Lecture Slide Lock-free programming has this magical aura around it. If you’ve ever heard of lock-free programming, you’ve probably seen those neat little Compare-And-Swap (CAS) loops that seem to solve everything. I found a bug in a CAS loop that had been sitting quietly in CMU’s 15-418 Parallel Computer Architecture lecture slide for years. The “Simple” Example Here’s what the example in lecture slide looked like: ...

Due to the restriction that we need at least two consecutive semesters of study in order to intern in the US, I didn’t apply for any summer internship. Employment at school is exempted, and I am fortunate to be an RA at CMU Tepper BLA lab this summer. It involves using graph theory to analyze financial statements. More details can be found here. I am also currently working with a PhD student at Safe AI Lab to do research in the area of Robotics. ...

Looking back on my first semester at CMU, I wanted to share my thoughts and experiences with the courses I took. This might be helpful for future students planning their schedules. This semester I took 4 courses. The workload was intense but manageable with good time management. Here’s my breakdown: 18-613: Introduction to Computer Systems While the famous CSAPP course has been extensively reviewed and is taught at many universities, here’s my personal perspective on the CMU experience. ...