Tech16 min read
Copy-and-Patch JIT: Achieving Native Code Performance with Microsecond Compilation
by Jaepil Jeong | January 17, 2026
How Cognica Database Engine breaks the JIT compilation latency barrier. We explore Copy-and-Patch JIT compilation, a technique that achieves 2-10x speedup over interpretation while keeping compilation time under one millisecond per kilobyte of bytecode.