Dan Luu posted an essay titled “There’s no reason for software to be slow anymore” on his personal blog. The piece hit Hacker News, earning 283 points and spawning 204 comments within hours.

Readers immediately latched onto the claim that today’s CPUs, SSDs, and networking stacks render most performance bottlenecks avoidable. Luu’s argument is not a vague wish‑list; he points to decades of micro‑architect…

If software runs slower than the hardware can support, users pay in time, electricity bills, and cloud spend. The cost of a single extra millisecond compounds across billions of requests, inflating latency budgets for…

Luu cites the fact that modern servers can execute billions of instructions per second, yet many codebases still linger in the “O(n²)” or “lock‑heavy” regime. The gap is not a hardware shortage; it is a discipline gap…