Thanks for getting to the bottom of this. Looks like -Oz bumps validate up another few percent. % c++ -Oz -DSIMDJSON_IMPLEMENTATION_ARM64=1 -o benchmark ben

Thanks for getting to the bottom of this. Looks like -Oz bumps validate up another few percent. % c++ -Oz -DSIMDJSON_IMPLEMENTATION_ARM64=1 -o benchmark benchmark.cpp simdjson.cpp -std=c++11 % ./benchmark minify : 6.73381 GB/s validate: 17.8548 GB/s