Shubhankar Gambhir

JVM runtime engineering, systems performance, and low-level C++

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What Does a Lock Actually Cost? Benchmarking Concurrent Counters in C++ Jun 24, 2026

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What Does a Lock Actually Cost? Benchmarking Concurrent Counters in C++
The 0.48 ns Ghost: How Code Alignment Broke Our Dispatch Benchmarks
The Alignment Cliff: Tracing a 0.478 ns Penalty to Skylake's Micro-Op Cache
Four Ways to Dispatch a Runtime-Selected Strategy in C++
Lazy Resolution: Resolve Once, Dispatch Forever

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