Classic computer architecture experiment: Iterate over 100,000 integers and conditionally sum elements > 128. If the array is unsorted, the CPU's branch predictor misses 50% of the time, stalling the instruction pipeline. If the array is sorted, branch prediction accuracy is ~99%, and execution runs 6x faster. Understanding hardware mechanics makes you a dramatically better programmer.

At 2 PM everyone is busy pretending to be productive, calculating CGPA, and rushing to classes. At 2:30 AM sitting cross-legged on the corridor floor with tea, all the social masks drop. You talk about childhood memories, existential fears, whether alien life exists, and what life will look like 10 years from now. These nights are what college is actually made of.