Programming Language and compiler
Benchmarks

Nim VS C 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
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

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

coro-prime-sieve

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
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
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
c 1.c 1.0ms 0.0ms 1.4MB 0ms 0ms zigcc 0.13.0
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
c 1.c 1.3ms 0.1ms 2.1MB 0ms 0ms gcc 14.2.0
c 1.c 1.3ms 0.1ms 2.1MB 0ms 0ms clang 14.0.0-1ubuntu1.1

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

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

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
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
nim 2.nim 322ms 3.0ms 1.9MB 313ms 0ms nim/clang 2.2.0
nim 2.nim 335ms 1.0ms 1.3MB 323ms 0ms nim 2.2.0
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
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
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

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
nim 1.nim 131ms 4.4ms 9.9MB 120ms 0ms nim/clang 2.2.0

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
c 8-i.c 245ms 1.0ms 1.5MB 230ms 0ms zigcc 0.13.0
c 5.c 298ms 0.2ms 1.5MB 283ms 0ms zigcc 0.13.0
c 8-i.c 301ms 1.8ms 2.1MB 290ms 0ms clang 14.0.0-1ubuntu1.1
c 2.c 308ms 1.0ms 2.3MB 300ms 0ms gcc 14.2.0
c 2.c 312ms 1.5ms 1.5MB 300ms 0ms zigcc 0.13.0
c 5.c 312ms 0.9ms 2.3MB 300ms 0ms gcc 14.2.0
c 5.c 315ms 2.3ms 2.1MB 307ms 0ms clang 14.0.0-1ubuntu1.1
c 2.c 317ms 2.8ms 2.1MB 307ms 0ms clang 14.0.0-1ubuntu1.1
nim 2.nim 319ms 1.8ms 1.8MB 310ms 0ms nim 2.2.0
c 8-i.c 332ms 0.1ms 2.3MB 320ms 0ms gcc 14.2.0
nim 2.nim 339ms 0.8ms 2.0MB 330ms 0ms nim/clang 2.2.0

Input: 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
c 8-i.c 27ms 0.1ms 1.5MB 20ms 0ms zigcc 0.13.0
c 5.c 32ms 0.2ms 1.5MB 20ms 0ms zigcc 0.13.0
c 8-i.c 32ms 0.3ms 2.1MB 20ms 0ms clang 14.0.0-1ubuntu1.1
c 2.c 33ms 0.1ms 2.3MB 23ms 0ms gcc 14.2.0
c 5.c 34ms 0.6ms 2.3MB 20ms 0ms gcc 14.2.0
c 2.c 34ms 0.6ms 1.5MB 23ms 0ms zigcc 0.13.0
c 5.c 34ms 0.9ms 2.1MB 23ms 0ms clang 14.0.0-1ubuntu1.1
nim 2.nim 34ms 0.6ms 1.8MB 23ms 0ms nim 2.2.0
c 8-i.c 36ms 0.4ms 2.3MB 30ms 0ms gcc 14.2.0
nim 2.nim 36ms 0.2ms 2.0MB 27ms 0ms nim/clang 2.2.0
c 2.c 37ms 5.1ms 2.1MB 27ms 0ms clang 14.0.0-1ubuntu1.1

nsieve

Input: 12

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
c 1.c 278ms 2.0ms 40.9MB 257ms 10ms gcc 14.2.0
c 1.c 287ms 8.8ms 40.9MB 267ms 7ms clang 14.0.0-1ubuntu1.1
nim 1.nim 291ms 18ms 41.5MB 273ms 0ms nim 2.2.0
c 1.c 310ms 10ms 40.3MB 297ms 3ms zigcc 0.13.0
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
c 1.c 53ms 2.4ms 11.6MB 40ms 0ms gcc 14.2.0
c 1.c 57ms 3.4ms 11.5MB 43ms 0ms clang 14.0.0-1ubuntu1.1
c 1.c 61ms 3.5ms 11.0MB 47ms 0ms zigcc 0.13.0
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

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

spectral-norm

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
c 6-im.c 956ms 1.0ms 4.1MB 3750ms 0ms gcc 14.2.0
c 4-m.c 966ms 0.5ms 4.0MB 3790ms 0ms gcc 14.2.0
c 6-im.c 1012ms 17ms 5.1MB 3937ms 7ms clang 14.0.0-1ubuntu1.1
c 5-im.c 1124ms 47ms 4.1MB 4327ms 3ms gcc 14.2.0
c 4-m.c 1139ms 14ms 5.3MB 4427ms 10ms clang 14.0.0-1ubuntu1.1
c 5-im.c 1334ms 8.3ms 5.2MB 5227ms 3ms clang 14.0.0-1ubuntu1.1
c 3-m.c 1835ms 6.5ms 7.2MB 7190ms 10ms clang 14.0.0-1ubuntu1.1
c 3-m.c 1981ms 16ms 4.1MB 7780ms 0ms gcc 14.2.0
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
c 6-im.c 251ms 2.9ms 4.0MB 953ms 0ms gcc 14.2.0
c 4-m.c 253ms 1.2ms 4.1MB 957ms 0ms gcc 14.2.0
c 6-im.c 261ms 3.2ms 7.2MB 973ms 0ms clang 14.0.0-1ubuntu1.1
c 5-im.c 290ms 11ms 4.0MB 1093ms 0ms gcc 14.2.0
c 4-m.c 291ms 2.9ms 5.4MB 1097ms 0ms clang 14.0.0-1ubuntu1.1
c 5-im.c 342ms 3.7ms 5.4MB 1313ms 0ms clang 14.0.0-1ubuntu1.1
c 3-m.c 479ms 25ms 7.3MB 1803ms 10ms clang 14.0.0-1ubuntu1.1
c 3-m.c 502ms 2.4ms 4.0MB 1950ms 0ms gcc 14.2.0
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
c 6-im.c 72ms 0.5ms 7.0MB 243ms 0ms clang 14.0.0-1ubuntu1.1
c 4-m.c 74ms 3.3ms 4.1MB 257ms 0ms gcc 14.2.0
c 6-im.c 74ms 6.9ms 4.0MB 250ms 0ms gcc 14.2.0
c 5-im.c 80ms 1.3ms 4.0MB 283ms 0ms gcc 14.2.0
c 4-m.c 82ms 2.6ms 7.0MB 277ms 0ms clang 14.0.0-1ubuntu1.1
c 5-im.c 95ms 3.2ms 5.2MB 333ms 3ms clang 14.0.0-1ubuntu1.1
c 3-m.c 124ms 1.2ms 5.3MB 450ms 0ms clang 14.0.0-1ubuntu1.1
c 3-m.c 134ms 0.3ms 4.0MB 497ms 0ms gcc 14.2.0
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