Programming Language and compiler
Benchmarks

Nim VS Kotlin benchmarks

Current benchmark data was generated on Fri May 20 2022, full log can be found HERE

CONTRIBUTIONS are WELCOME!

[x86_64][2 cores] Intel(R) Xeon(R) Platinum 8370C CPU @ 2.80GHz (Model 106)

* -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 733ms 92ms 842.9MB 710ms 130ms kotlin/jvm 17.0.2
nim 2.nim 3400ms 65ms 34.4MB 3377ms 7ms nim/clang 1.6.6
nim 2.nim 3513ms 2.5ms 34.5MB 3490ms 7ms nim 1.6.6
kotlin 1.kt 3949ms 18ms 514.4MB 3847ms 87ms kotlin/native 1.6.21

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1.kt 133ms 2.6ms 109.5MB 117ms 20ms kotlin/jvm 17.0.2
kotlin 1.kt 304ms 2.8ms 62.2MB 283ms 3ms kotlin/native 1.6.21
nim 2.nim 320ms 4.9ms 5.7MB 310ms 0ms nim/clang 1.6.6
nim 2.nim 332ms 2.4ms 5.4MB 320ms 0ms nim 1.6.6

coro-prime-sieve

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1.kt 2944ms 38ms 157.9MB 3853ms 60ms kotlin/jvm 17.0.2
kotlin 2-m.kt 3273ms 617ms 187.2MB 6243ms 67ms kotlin/jvm 17.0.2
kotlin 1.kt timeout 0.0ms 0.0MB 0ms 0ms kotlin/native 1.6.21
kotlin 2-m.kt timeout 0.0ms 0.0MB 0ms 0ms kotlin/native 1.6.21
nim 1.nim timeout 0.0ms 0.0MB 0ms 0ms nim 1.6.6
nim 1.nim timeout 0.0ms 0.0MB 0ms 0ms nim/clang 1.6.6

Input: 1000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1-m.kt 689ms 63ms 100.4MB 1230ms 27ms kotlin/jvm 17.0.2
kotlin 2-m.kt 848ms 12ms 70.4MB 1487ms 23ms kotlin/native 1.6.21
kotlin 1.kt 1044ms 5.6ms 32.7MB 1030ms 7ms kotlin/native 1.6.21
kotlin 2-m.kt 1092ms 73ms 106.9MB 1977ms 57ms kotlin/jvm 17.0.2
nim 1.nim timeout 0.0ms 0.0MB 0ms 0ms nim 1.6.6
nim 1.nim timeout 0.0ms 0.0MB 0ms 0ms nim/clang 1.6.6

edigits

Input: 250001

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim timeout 0.0ms 0.0MB 0ms 0ms nim 1.6.6
nim 1.nim timeout 0.0ms 0.0MB 0ms 0ms nim/clang 1.6.6

Input: 100000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim timeout 0.0ms 0.0MB 0ms 0ms nim 1.6.6
nim 1.nim timeout 0.0ms 0.0MB 0ms 0ms nim/clang 1.6.6

fasta

Input: 2500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 2.nim 261ms 0.9ms 0.7MB 247ms 0ms nim 1.6.6
nim 2.nim 337ms 0.7ms 0.9MB 320ms 0ms nim/clang 1.6.6
nim 1.nim 771ms 2.8ms 0.7MB 650ms 103ms nim 1.6.6
nim 1.nim 787ms 2.3ms 0.9MB 657ms 110ms nim/clang 1.6.6

Input: 250000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 2.nim 28ms 0.1ms 0.7MB 20ms 0ms nim 1.6.6
nim 2.nim 36ms 0.1ms 1.0MB 30ms 0ms nim/clang 1.6.6
nim 1.nim 81ms 0.5ms 0.7MB 57ms 7ms nim 1.6.6
nim 1.nim 82ms 0.9ms 1.0MB 63ms 3ms nim/clang 1.6.6

helloworld

Input: QwQ

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim 1.7ms 0.5ms 0.7MB 0ms 0ms nim 1.6.6
nim 1.nim 1.8ms 0.5ms 1.0MB 0ms 0ms nim/clang 1.6.6
kotlin 1.kt 2.5ms 0.4ms 1.2MB 0ms 0ms kotlin/native 1.6.21
kotlin 1.kt 66ms 2.9ms 40.8MB 52ms 8ms kotlin/jvm 17.0.2

http-server

Input: 3000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim 760ms 4.4ms 94.5MB 327ms 393ms nim 1.6.6
nim 1.nim 767ms 2.5ms 94.7MB 320ms 413ms nim/clang 1.6.6
kotlin 1.kt timeout 0.0ms 0.0MB 0ms 0ms kotlin/jvm 17.0.2
kotlin 2.kt timeout 0.0ms 0.0MB 0ms 0ms kotlin/jvm 17.0.2

Input: 500

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim 126ms 0.5ms 18.1MB 47ms 63ms nim 1.6.6
nim 1.nim 131ms 0.9ms 18.0MB 50ms 63ms nim/clang 1.6.6
kotlin 2-m.kt 2117ms 172ms 241.9MB 3383ms 230ms kotlin/jvm 17.0.2
kotlin 1-m.kt 2372ms 280ms 228.1MB 3690ms 287ms kotlin/jvm 17.0.2

lru

Input: 1000 1000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 2.nim 147ms 0.8ms 1.0MB 140ms 0ms nim/clang 1.6.6
nim 2.nim 154ms 0.4ms 0.7MB 143ms 0ms nim 1.6.6
kotlin 2-m.kt 223ms 5.9ms 113.8MB 330ms 30ms kotlin/jvm 17.0.2
kotlin 1.kt 234ms 3.0ms 109.7MB 300ms 20ms kotlin/jvm 17.0.2
kotlin 2.kt 363ms 3.4ms 88.5MB 337ms 10ms kotlin/native 1.6.21
kotlin 1.kt timeout 0.0ms 0.0MB 0ms 0ms kotlin/native 1.6.21
nim 1.nim timeout 0.0ms 0.0MB 0ms 0ms nim 1.6.6
nim 1.nim timeout 0.0ms 0.0MB 0ms 0ms nim/clang 1.6.6

Input: 1000 3000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 2.kt 367ms 3.8ms 130.7MB 470ms 27ms kotlin/jvm 17.0.2
nim 2.nim 436ms 4.3ms 1.0MB 427ms 0ms nim/clang 1.6.6
kotlin 1.kt 455ms 2.2ms 132.6MB 517ms 27ms kotlin/jvm 17.0.2
nim 2.nim 458ms 2.1ms 0.7MB 447ms 0ms nim 1.6.6
kotlin 2.kt 1125ms 1.8ms 134.1MB 1087ms 23ms kotlin/native 1.6.21
kotlin 1.kt timeout 0.0ms 0.0MB 0ms 0ms kotlin/native 1.6.21
nim 1.nim timeout 0.0ms 0.0MB 0ms 0ms nim 1.6.6
nim 1.nim timeout 0.0ms 0.0MB 0ms 0ms nim/clang 1.6.6

Input: 100 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 2.nim 64ms 1.0ms 1.0MB 53ms 0ms nim/clang 1.6.6
nim 2.nim 67ms 0.4ms 0.7MB 60ms 0ms nim 1.6.6
kotlin 1.kt 173ms 4.0ms 74.2MB 237ms 17ms kotlin/jvm 17.0.2
kotlin 2.kt 174ms 8.8ms 42.1MB 163ms 0ms kotlin/native 1.6.21
kotlin 2-m.kt 186ms 22ms 83.1MB 273ms 20ms kotlin/jvm 17.0.2
nim 1.nim 421ms 0.9ms 1.0MB 410ms 0ms nim/clang 1.6.6
nim 1.nim 466ms 4.2ms 0.7MB 457ms 0ms nim 1.6.6
kotlin 1.kt timeout 0.0ms 0.0MB 0ms 0ms kotlin/native 1.6.21

mandelbrot

Input: 5000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim 576ms 0.8ms 4.8MB 567ms 0ms nim/clang 1.6.6
nim 1.nim 997ms 0.5ms 4.5MB 990ms 0ms nim 1.6.6

Input: 1000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim 26ms 0.2ms 0.9MB 17ms 0ms nim/clang 1.6.6
nim 1.nim 43ms 0.3ms 0.7MB 33ms 0ms nim 1.6.6

merkletrees

Input: 17

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1.kt 461ms 8.2ms 362.9MB 450ms 80ms kotlin/jvm 17.0.2
nim 1.nim 1581ms 0.4ms 35.1MB 1560ms 10ms nim/clang 1.6.6
nim 1.nim 1664ms 0.7ms 35.1MB 1643ms 7ms nim 1.6.6
kotlin 1.kt timeout 0.0ms 0.0MB 0ms 0ms kotlin/native 1.6.21

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1.kt 178ms 1.5ms 220.8MB 160ms 47ms kotlin/jvm 17.0.2
nim 1.nim 340ms 2.8ms 9.9MB 330ms 0ms nim/clang 1.6.6
nim 1.nim 361ms 4.6ms 9.3MB 347ms 0ms nim 1.6.6
kotlin 1.kt 560ms 1.8ms 62.4MB 537ms 10ms kotlin/native 1.6.21

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 2.nim 405ms 0.5ms 1.0MB 390ms 0ms nim/clang 1.6.6
nim 2.nim 429ms 1.0ms 1.0MB 420ms 0ms nim 1.6.6
kotlin 1.kt 570ms 1.1ms 43.1MB 583ms 13ms kotlin/jvm 17.0.2
kotlin 1n.kt 583ms 1.1ms 1.1MB 570ms 0ms kotlin/native 1.6.21

Input: 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 2.nim 43ms 0.1ms 1.0MB 33ms 0ms nim/clang 1.6.6
nim 2.nim 45ms 0.9ms 1.0MB 40ms 0ms nim 1.6.6
kotlin 1n.kt 61ms 0.3ms 1.1MB 50ms 0ms kotlin/native 1.6.21
kotlin 1.kt 134ms 4.0ms 43.2MB 143ms 17ms kotlin/jvm 17.0.2

nsieve

Input: 12

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 2.nim 593ms 2.3ms 6.4MB 583ms 0ms nim/clang 1.6.6
nim 2.nim 668ms 3.2ms 6.1MB 650ms 0ms nim 1.6.6
nim 1.nim 828ms 1.4ms 41.1MB 813ms 0ms nim 1.6.6
nim 1.nim 829ms 24ms 40.9MB 813ms 3ms nim/clang 1.6.6

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim 124ms 0.7ms 11.0MB 110ms 0ms nim 1.6.6
nim 1.nim 129ms 2.5ms 11.3MB 117ms 0ms nim/clang 1.6.6
nim 2.nim 140ms 0.3ms 3.3MB 130ms 0ms nim/clang 1.6.6
nim 2.nim 158ms 0.2ms 3.0MB 150ms 0ms nim 1.6.6

pidigits

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1.kt timeout 0.0ms 0.0MB 0ms 0ms kotlin/jvm 17.0.2
kotlin 1n.kt timeout 0.0ms 0.0MB 0ms 0ms kotlin/native 1.6.21
kotlin 2n.kt timeout 0.0ms 0.0MB 0ms 0ms kotlin/native 1.6.21
nim 1.nim timeout 0.0ms 0.0MB 0ms 0ms nim 1.6.6
nim 1.nim timeout 0.0ms 0.0MB 0ms 0ms nim/clang 1.6.6

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1.kt 1456ms 23ms 227.6MB 1820ms 50ms kotlin/jvm 17.0.2
kotlin 1n.kt timeout 0.0ms 0.0MB 0ms 0ms kotlin/native 1.6.21
kotlin 2n.kt timeout 0.0ms 0.0MB 0ms 0ms kotlin/native 1.6.21
nim 1.nim timeout 0.0ms 0.0MB 0ms 0ms nim 1.6.6
nim 1.nim timeout 0.0ms 0.0MB 0ms 0ms nim/clang 1.6.6

spectral-norm

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim 4121ms 0.3ms 1.8MB 4110ms 0ms nim/clang 1.6.6
nim 1.nim 4122ms 1.3ms 1.8MB 4110ms 0ms nim 1.6.6

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim 1032ms 0.3ms 1.0MB 1020ms 0ms nim 1.6.6
nim 1.nim 1033ms 1.6ms 1.0MB 1020ms 0ms nim/clang 1.6.6

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim 260ms 0.3ms 1.0MB 250ms 0ms nim 1.6.6
nim 1.nim 260ms 0.3ms 1.0MB 250ms 0ms nim/clang 1.6.6