Programming Language and compiler
Benchmarks

Nim VS Kotlin 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
nim 2.nim 793ms 24ms 34.9MB 777ms 3ms nim 2.2.0
nim 2.nim 986ms 7.4ms 34.2MB 967ms 7ms nim/clang 2.2.0
kotlin 1-m.kt 3116ms 32ms 248.5MB 5177ms 713ms kotlin/native 1.8.21

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 2.nim 72ms 1.1ms 5.5MB 60ms 0ms nim 2.2.0
nim 2.nim 94ms 2.8ms 5.8MB 80ms 0ms nim/clang 2.2.0
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

coro-prime-sieve

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 2-m.kt 1604ms 72ms 235.4MB 5907ms 97ms kotlin/jvm 21
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
nim 1.nim timeout 0.0ms 545.3MB 2497ms 2050ms nim 2.2.0
nim 1.nim timeout 0.0ms 552.6MB 2520ms 2020ms nim/clang 2.2.0

Input: 1000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
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
nim 1.nim 4405ms 8.9ms 519.8MB 2203ms 1773ms nim/clang 2.2.0
nim 1.nim 4519ms 16ms 519.3MB 2230ms 1857ms nim 2.2.0

fasta

Input: 2500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 2.nim 188ms 0.7ms 1.5MB 177ms 0ms nim 2.2.0
nim 2.nim 239ms 2.9ms 1.8MB 227ms 0ms nim/clang 2.2.0
nim 1.nim 569ms 1.0ms 1.8MB 433ms 123ms nim/clang 2.2.0
nim 1.nim 596ms 1.0ms 1.5MB 467ms 113ms nim 2.2.0

Input: 250000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 2.nim 21ms 0.6ms 1.5MB 10ms 0ms nim 2.2.0
nim 2.nim 26ms 0.4ms 1.6MB 17ms 0ms nim/clang 2.2.0
nim 1.nim 60ms 1.1ms 1.8MB 40ms 7ms nim/clang 2.2.0
nim 1.nim 63ms 1.0ms 1.5MB 43ms 7ms nim 2.2.0

helloworld

Input: QwQ

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim 1.2ms 0.0ms 1.8MB 0ms 0ms nim/clang 2.2.0
nim 1.nim 1.2ms 0.2ms 1.6MB 0ms 0ms nim 2.2.0
kotlin 1.kt 2.4ms 0.2ms 4.7MB 0ms 0ms kotlin/native 1.8.21
kotlin 1.kt 58ms 4.7ms 47.4MB 56ms 16ms kotlin/jvm 21

http-server

Input: 3000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim 996ms 14ms 99.4MB 277ms 693ms nim/clang 2.2.0
nim 1.nim 1015ms 23ms 99.2MB 290ms 693ms nim 2.2.0
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
nim 1.nim 159ms 2.7ms 17.8MB 37ms 103ms nim 2.2.0
nim 1.nim 166ms 6.9ms 18.1MB 37ms 113ms nim/clang 2.2.0
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

lru

Input: 1000 1000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 2.nim 110ms 2.7ms 1.6MB 100ms 0ms nim/clang 2.2.0
nim 2.nim 116ms 2.9ms 1.3MB 107ms 0ms nim 2.2.0
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
kotlin 1.kt 505ms 3.2ms 7.8MB 597ms 7ms kotlin/native 1.8.21
nim 1.nim timeout 0.0ms 1.3MB 4987ms 0ms nim 2.2.0
nim 1.nim timeout 0.0ms 1.5MB 4990ms 0ms nim/clang 2.2.0

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
nim 2.nim 322ms 3.0ms 1.9MB 313ms 0ms nim/clang 2.2.0
kotlin 1.kt 329ms 4.8ms 204.6MB 437ms 40ms kotlin/jvm 21
nim 2.nim 335ms 1.0ms 1.3MB 323ms 0ms nim 2.2.0
kotlin 2.kt 910ms 4.1ms 7.8MB 1313ms 40ms kotlin/native 1.8.21
kotlin 1.kt 1549ms 11ms 7.8MB 1893ms 20ms kotlin/native 1.8.21
nim 1.nim timeout 0.0ms 1.3MB 4987ms 0ms nim 2.2.0
nim 1.nim timeout 0.0ms 1.5MB 4990ms 0ms nim/clang 2.2.0

Input: 100 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 2.nim 49ms 1.7ms 1.5MB 40ms 0ms nim/clang 2.2.0
nim 2.nim 51ms 0.5ms 1.3MB 40ms 0ms nim 2.2.0
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
nim 1.nim 489ms 3.0ms 1.5MB 480ms 0ms nim/clang 2.2.0
nim 1.nim 490ms 1.1ms 1.3MB 480ms 0ms nim 2.2.0

mandelbrot

Input: 5000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim 386ms 2.1ms 4.8MB 373ms 0ms nim/clang 2.2.0
nim 1.nim 573ms 1.8ms 4.5MB 563ms 0ms nim 2.2.0

Input: 1000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim 19ms 0.2ms 1.9MB 10ms 0ms nim/clang 2.2.0
nim 1.nim 27ms 0.7ms 1.6MB 20ms 0ms nim 2.2.0

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
nim 1.nim 556ms 11ms 34.4MB 540ms 0ms nim 2.2.0
nim 1.nim 619ms 4.0ms 35.2MB 600ms 7ms nim/clang 2.2.0
kotlin 1-m.kt 1537ms 54ms 136.5MB 2363ms 343ms kotlin/native 1.8.21

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim 122ms 2.0ms 9.6MB 107ms 0ms nim 2.2.0
kotlin 1-m.kt 131ms 0.9ms 206.5MB 157ms 40ms kotlin/jvm 21
nim 1.nim 131ms 4.4ms 9.9MB 120ms 0ms nim/clang 2.2.0
kotlin 1-m.kt 319ms 4.8ms 40.5MB 470ms 77ms kotlin/native 1.8.21

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 2.nim 319ms 1.8ms 1.8MB 310ms 0ms nim 2.2.0
nim 2.nim 339ms 0.8ms 2.0MB 330ms 0ms nim/clang 2.2.0
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

Input: 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 2.nim 34ms 0.6ms 1.8MB 23ms 0ms nim 2.2.0
nim 2.nim 36ms 0.2ms 2.0MB 27ms 0ms nim/clang 2.2.0
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

nsieve

Input: 12

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim 291ms 18ms 41.5MB 273ms 0ms nim 2.2.0
nim 1.nim 317ms 14ms 41.8MB 307ms 0ms nim/clang 2.2.0

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim 53ms 2.9ms 11.5MB 43ms 0ms nim 2.2.0
nim 1.nim 64ms 4.0ms 11.8MB 57ms 0ms nim/clang 2.2.0

regex-redux

Input: 2500000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim 1629ms 16ms 152.2MB 1600ms 17ms nim/clang 2.2.0
nim 1.nim 1651ms 7.0ms 152.1MB 1620ms 17ms nim 2.2.0
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
nim 1.nim 173ms 3.9ms 17.6MB 153ms 7ms nim/clang 2.2.0
nim 1.nim 175ms 2.2ms 16.5MB 163ms 0ms nim 2.2.0
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

spectral-norm

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim 3574ms 1.3ms 1.6MB 3563ms 0ms nim/clang 2.2.0
nim 1.nim 3593ms 7.6ms 1.4MB 3583ms 0ms nim 2.2.0

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim 896ms 0.8ms 1.5MB 887ms 0ms nim/clang 2.2.0
nim 1.nim 904ms 3.3ms 1.3MB 893ms 0ms nim 2.2.0

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim 226ms 0.6ms 1.5MB 213ms 0ms nim/clang 2.2.0
nim 1.nim 228ms 1.3ms 1.3MB 220ms 0ms nim 2.2.0