Interview
summary
Describes a custom allocation profiler built to pinpoint where and why heaps grow, reports on a tiny trim-parameter test app that varies allocation rate, pointer density, gen‑2 survival and pinning to surface regressions, and gives concrete aims: reduce GC pause times, improve server GC balancing across many cores and large memory. Notes the hard validation problems: reproducing real workloads and proving fixes keep correctness while improving performance.
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