Deep Dives

Operate TCP's sequence space, receive and congestion windows, ACK clock, retransmission timer, loss recovery, path MTU, and bottleneck queues.

Follow a Wi-Fi packet from OFDM channel estimation through multipath, phase calibration, Doppler, and a complete motion-sensing pipeline.

A visual walkthrough of AlexNet, convolution, ReLU, pooling, augmentation, dropout, GPU training, and top-k ImageNet classification.

A visual walkthrough of Transformer architecture, self-attention, multi-head attention, positional encoding, and encoder/decoder flow.

A hands-on look at file-backed mappings, MAP_PRIVATE, MAP_SHARED, page faults, page cache, and /proc maps.

A visual explanation of fork, shared pages, write faults, private copies, RSS, and PSS.

A hands-on explanation of red-black tree rules, insertion repair, recoloring, rotations, and logarithmic search.

A systems-level look at intrusive lists, embedded nodes, pointer chasing, and cache locality.

A glibc allocator walkthrough covering chunk headers, tcache, bins, coalescing, libc leaks, and the kernel slow path.

A practical explanation of cache hierarchy, cache lines, false sharing, and padding using a multithreaded C experiment.

A practical explanation of demand paging using a restaurant analogy, page faults, page frames, and a Linux malloc experiment.