// One pass: mean, variance, skewness — numerically stable namespace acc = boost::accumulators; int main() { acc::accumulator_set> stats; // Single pass over 100M elements — no intermediate storage...

// Wait-free single-producer/single-consumer queue — sub-10ns ops int main() { using namespace std::chrono; boost::lockfree::spsc_queue> queue; std::atomic done{false}; std::latch start_signal(1),...

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// Polymorphic objects, contiguous by type — cache-friendly iteration struct Shape { virtual double area() const = 0; virtual ~Shape() = default; }; struct Circle final: Shape { double r; Circle(do...