Finch + Circe: Current $ wrk -t4 -c24 -d30s -s examples/src/main/scala/io/finch/wrk/wrk.lua http://localhost:8081/ Running 30s test @ http://localhost:8081/ 4 threads and 24 connections Thread Stats Avg Stdev Max +/- Stdev Latency 3.53ms 19.77ms 378.12ms 98.27% Req/Sec 13.68k 4.94k 29.80k 70.29% 1619290 requests in 30.06s, 152.88MB read Requests/sec: 53862.90 Transfer/sec: 5.09MB Finch + Circe: Without String conversions $ wrk -t4 -c24 -d30s -s examples/src/main/scala/io/finch/wrk/wrk.lua http://localhost:8081/ Running 30s test @ http://localhost:8081/ 4 threads and 24 connections Thread Stats Avg Stdev Max +/- Stdev Latency 1.56ms 3.51ms 51.72ms 90.45% Req/Sec 14.14k 3.18k 26.57k 68.08% 1689558 requests in 30.04s, 159.52MB read Requests/sec: 56241.41 Transfer/sec: 5.31MB