Programming Language and compiler
Benchmarks

Kotlin VS Ruby benchmarks

Current benchmark data was generated on Sun Dec 01 2024, full log can be found HERE

CONTRIBUTIONS are WELCOME!

[x86_64][4 cores] AMD EPYC 7763 64-Core Processor (Model 1)

* -m in a file name stands for multi-threading or multi-processing

* -i in a file name stands for direct intrinsics usage. (Usage of simd intrinsics via libraries is not counted)

* -ffi in a file name stands for non-stdlib FFI usage

* (You may find time < time(user) + time(sys) for some non-parallelized programs, the overhead is from GC or JIT compiler, which are allowed to take advantage of multi-cores as that's more close to real-world scenarios.)

binarytrees

Input: 18

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1.kt 480ms 16ms 575.9MB 567ms 87ms kotlin/jvm 21
ruby 1-m.rb 3037ms 2639ms 793.8MB 6587ms 477ms truffleruby 24.1.1
kotlin 1-m.kt 3116ms 32ms 248.5MB 5177ms 713ms kotlin/native 1.8.21
ruby 1.rb 3763ms 40ms 113.5MB 3657ms 90ms ruby/yjit 3.3.6
ruby 1.rb timeout 0.0ms 78.9MB 4930ms 50ms ruby 3.3.6

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1.kt 102ms 1.9ms 158.0MB 110ms 27ms kotlin/jvm 21
kotlin 1-m.kt 299ms 30ms 32.5MB 463ms 60ms kotlin/native 1.8.21
ruby 1.rb 411ms 3.8ms 36.4MB 370ms 23ms ruby/yjit 3.3.6
ruby 1-m.rb 587ms 83ms 434.3MB 1170ms 163ms truffleruby 24.1.1
ruby 1.rb 847ms 11ms 36.3MB 807ms 27ms ruby 3.3.6

coro-prime-sieve

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ruby 1.rb 1415ms 30ms 78.4MB 1310ms 93ms ruby/yjit 3.3.6
kotlin 2-m.kt 1604ms 72ms 235.4MB 5907ms 97ms kotlin/jvm 21
ruby 1.rb 1783ms 20ms 78.3MB 1687ms 80ms ruby 3.3.6
kotlin 1.kt 2135ms 35ms 220.1MB 2943ms 63ms kotlin/jvm 21
kotlin 1.kt timeout 0.0ms 14.9MB 6260ms 513ms kotlin/native 1.8.21
kotlin 2-m.kt timeout 0.0ms 85.0MB 19090ms 157ms kotlin/native 1.8.21
ruby 1.rb timeout 0.0ms 768.0MB 4493ms 1697ms truffleruby 24.1.1

Input: 1000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ruby 1.rb 172ms 3.9ms 40.4MB 120ms 37ms ruby/yjit 3.3.6
ruby 1.rb 197ms 2.8ms 40.1MB 143ms 37ms ruby 3.3.6
kotlin 2-m.kt 419ms 4.7ms 54.7MB 1533ms 27ms kotlin/native 1.8.21
kotlin 1-m.kt 483ms 3.9ms 74.0MB 1130ms 37ms kotlin/jvm 21
kotlin 1.kt 678ms 2.7ms 10.8MB 817ms 63ms kotlin/native 1.8.21
kotlin 2-m.kt 790ms 26ms 99.0MB 2727ms 67ms kotlin/jvm 21
ruby 1.rb timeout 0.0ms 670.5MB 4720ms 1480ms truffleruby 24.1.1

helloworld

Input: QwQ

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1.kt 2.4ms 0.2ms 4.7MB 0ms 0ms kotlin/native 1.8.21
ruby 1.rb 41ms 0.8ms 168.5MB 20ms 26ms truffleruby 24.1.1
kotlin 1.kt 58ms 4.7ms 47.4MB 56ms 16ms kotlin/jvm 21
ruby 1.rb 69ms 1.8ms 28.0MB 48ms 12ms ruby 3.3.6
ruby 1.rb 70ms 0.6ms 28.1MB 42ms 14ms ruby/yjit 3.3.6

http-server

Input: 3000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1.kt timeout 0.0ms 394.9MB 16237ms 2760ms kotlin/jvm 21
kotlin 2.kt timeout 0.0ms 429.2MB 15370ms 2387ms kotlin/jvm 21

Input: 500

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 2-m.kt 2027ms 55ms 244.2MB 5847ms 583ms kotlin/jvm 21
kotlin 1-m.kt 2574ms 75ms 211.5MB 7400ms 730ms kotlin/jvm 21

json-serde

Input: sample 5000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ruby 1.rb 294ms 4.5ms 48.1MB 247ms 30ms ruby 3.3.6
ruby 1.rb 298ms 2.3ms 48.3MB 253ms 33ms ruby/yjit 3.3.6
kotlin 1-m.kt 892ms 33ms 202.2MB 2373ms 113ms kotlin/jvm 21
ruby 1.rb timeout 0.0ms 482.6MB 13033ms 340ms truffleruby 24.1.1

Input: canada 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1-m.kt 2318ms 69ms 758.1MB 5017ms 187ms kotlin/jvm 21
ruby 1.rb 2318ms 20ms 169.6MB 2167ms 133ms ruby/yjit 3.3.6
ruby 1.rb 2361ms 106ms 168.7MB 2257ms 90ms ruby 3.3.6
ruby 1.rb timeout 0.0ms 570.4MB 13050ms 390ms truffleruby 24.1.1

lru

Input: 1000 1000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1-m.kt 185ms 5.2ms 96.3MB 300ms 30ms kotlin/jvm 21
kotlin 2-m.kt 198ms 2.7ms 103.3MB 427ms 33ms kotlin/jvm 21
kotlin 2.kt 303ms 3.4ms 7.6MB 423ms 17ms kotlin/native 1.8.21
ruby 1.rb 327ms 4.3ms 28.4MB 293ms 20ms ruby/yjit 3.3.6
kotlin 1.kt 505ms 3.2ms 7.8MB 597ms 7ms kotlin/native 1.8.21
ruby 1.rb 541ms 51ms 28.3MB 510ms 17ms ruby 3.3.6
ruby 1-m.rb 688ms 35ms 390.9MB 1207ms 143ms truffleruby 24.1.1

Input: 1000 3000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 2-m.kt 310ms 1.0ms 213.2MB 547ms 50ms kotlin/jvm 21
kotlin 1.kt 329ms 4.8ms 204.6MB 437ms 40ms kotlin/jvm 21
ruby 1.rb 834ms 9.1ms 28.5MB 800ms 20ms ruby/yjit 3.3.6
kotlin 2.kt 910ms 4.1ms 7.8MB 1313ms 40ms kotlin/native 1.8.21
ruby 1-m.rb 1270ms 23ms 436.7MB 1760ms 173ms truffleruby 24.1.1
ruby 1.rb 1406ms 22ms 28.3MB 1373ms 23ms ruby 3.3.6
kotlin 1.kt 1549ms 11ms 7.8MB 1893ms 20ms kotlin/native 1.8.21

Input: 100 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 2.kt 137ms 0.1ms 5.7MB 190ms 0ms kotlin/native 1.8.21
kotlin 1-m.kt 142ms 1.1ms 90.9MB 277ms 27ms kotlin/jvm 21
kotlin 2-m.kt 158ms 11ms 93.7MB 300ms 37ms kotlin/jvm 21
kotlin 1.kt 166ms 2.7ms 5.8MB 203ms 0ms kotlin/native 1.8.21
ruby 1.rb 197ms 0.7ms 28.4MB 167ms 13ms ruby/yjit 3.3.6
ruby 1.rb 290ms 3.2ms 28.3MB 260ms 13ms ruby 3.3.6
ruby 1-m.rb 555ms 11ms 368.8MB 1063ms 157ms truffleruby 24.1.1

merkletrees

Input: 17

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1.kt 353ms 4.0ms 679.4MB 377ms 90ms kotlin/jvm 21
kotlin 1-m.kt 1537ms 54ms 136.5MB 2363ms 343ms kotlin/native 1.8.21
ruby 1-m.rb 4499ms 14ms 553.8MB 11583ms 350ms truffleruby 24.1.1
ruby 1.rb timeout 0.0ms 88.0MB 4917ms 70ms ruby 3.3.6
ruby 1.rb timeout 0.0ms 88.2MB 4910ms 70ms ruby/yjit 3.3.6

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1-m.kt 131ms 0.9ms 206.5MB 157ms 40ms kotlin/jvm 21
kotlin 1-m.kt 319ms 4.8ms 40.5MB 470ms 77ms kotlin/native 1.8.21
ruby 1-m.rb 2205ms 87ms 510.9MB 5660ms 270ms truffleruby 24.1.1
ruby 1.rb 3025ms 9.5ms 47.1MB 2983ms 27ms ruby/yjit 3.3.6
ruby 1.rb 4035ms 24ms 46.9MB 3990ms 30ms ruby 3.3.6

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1n.kt 407ms 3.6ms 4.7MB 400ms 0ms kotlin/native 1.8.21
kotlin 1.kt 446ms 1.4ms 49.5MB 480ms 23ms kotlin/jvm 21
ruby 2.rb 861ms 20ms 329.1MB 1117ms 120ms truffleruby 24.1.1
ruby 2.rb timeout 0.0ms 28.0MB 4967ms 17ms ruby 3.3.6
ruby 2.rb timeout 0.0ms 28.3MB 4963ms 17ms ruby/yjit 3.3.6

Input: 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1n.kt 46ms 0.7ms 4.7MB 40ms 0ms kotlin/native 1.8.21
kotlin 1.kt 123ms 1.1ms 49.4MB 163ms 20ms kotlin/jvm 21
ruby 2-m.rb 323ms 3.4ms 328.9MB 570ms 107ms truffleruby 24.1.1
ruby 2.rb 1450ms 8.5ms 28.3MB 1413ms 23ms ruby/yjit 3.3.6
ruby 2.rb 2881ms 59ms 28.1MB 2850ms 20ms ruby 3.3.6

pidigits

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1.kt 3707ms 69ms 352.5MB 4577ms 93ms kotlin/jvm 21
kotlin 1n.kt timeout 0.0ms 20.9MB 6393ms 267ms kotlin/native 1.8.21
kotlin 2n.kt timeout 0.0ms 8.2MB 4993ms 160ms kotlin/native 1.8.21
ruby 1.rb timeout 0.0ms 107.6MB 4920ms 60ms ruby 3.3.6
ruby 1.rb timeout 0.0ms 108.8MB 4927ms 60ms ruby/yjit 3.3.6
ruby 1.rb timeout 0.0ms 469.5MB 13213ms 420ms truffleruby 24.1.1

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1-m.kt 1004ms 32ms 354.5MB 1770ms 80ms kotlin/jvm 21
ruby 1.rb 1669ms 22ms 108.8MB 1587ms 70ms ruby/yjit 3.3.6
ruby 1.rb 1701ms 13ms 108.5MB 1623ms 60ms ruby 3.3.6
ruby 1-m.rb 1776ms 25ms 405.6MB 4673ms 213ms truffleruby 24.1.1
kotlin 1n.kt timeout 0.0ms 7.4MB 6367ms 263ms kotlin/native 1.8.21
kotlin 2n.kt timeout 0.0ms 8.3MB 5000ms 160ms kotlin/native 1.8.21

regex-redux

Input: 2500000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1.kt timeout 0.0ms 171.4MB 5410ms 40ms kotlin/jvm 21
kotlin 1n.kt timeout 0.0ms 279.1MB 4977ms 917ms kotlin/native 1.8.21

Input: 250000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1-m.kt 814ms 12ms 134.0MB 1243ms 23ms kotlin/jvm 21
kotlin 1n.kt 3217ms 72ms 65.1MB 4043ms 10ms kotlin/native 1.8.21

secp256k1

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1.kt 3074ms 58ms 231.7MB 3977ms 60ms kotlin/jvm 21

Input: 500

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1-m.kt 1039ms 9.3ms 232.3MB 1953ms 67ms kotlin/jvm 21