Backend/Systems Developer on C++

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Dmitriy Gubanov  • Peerlist

Implemented Intel E1000 NIC driver in xv6 from scratch: TX/RX descriptor rings, DMA, interrupt-driven packet process ing with batching.Built UDP receive path in kernel: bind/recv syscalls and per-port packet queues.Reduced memory usage by 3̃0× via lazy allocation with a stack allocator for sub-page port objects.Ensured correctness under concurrency: ring buffers as multi-producer/multi-consumer queues protected by spin locks.