Software AtlasArea 03 · 6 topics
OS & Runtime
Stack vs heap, garbage collectors, virtual memory and file descriptors — the layer that explains most “weird” production behavior.
01
Deep-dive readyStack vs Heap
Escape analysis, allocation cost, why it matters.
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02
Deep-dive readyGarbage Collection
Mark & sweep, generational, Go’s concurrent GC, V8’s Orinoco.
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03
Deep-dive readyVirtual Memory
Pages, the TLB, page faults, mmap.
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04
Deep-dive readyCPU Caches
Cache lines, false sharing, data locality.
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05
Deep-dive readySystem Calls
User space vs kernel space; epoll, kqueue, io_uring.
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06
Deep-dive readyFile Descriptors & Sockets
“Everything is a file”, ulimits, leaks.
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