Programming Language and compiler
Benchmarks

All OCaml benchmarks

Current benchmark data was generated on Sun Jun 01 2025, 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

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
1.ml 2989ms 28ms 157.2MB 2907ms 67ms ocaml 5.3.0

Input: 15

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
1.ml 218ms 4.7ms 19.2MB 203ms 0ms ocaml 5.3.0

fannkuch-redux

Input: 11

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
2.ml 2899ms 4.0ms 4.9MB 2893ms 0ms ocaml 5.3.0

Input: 10

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
2.ml 246ms 2.4ms 4.9MB 237ms 0ms ocaml 5.3.0

fasta

Input: 2500000

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
6.ml 345ms 0.9ms 24.9MB 333ms 0ms ocaml 5.3.0

Input: 250000

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
6.ml 38ms 0.1ms 7.3MB 30ms 0ms ocaml 5.3.0

helloworld

Input: QwQ

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
1.ml 1.7ms 0.1ms 5.1MB 0ms 0ms ocaml 5.3.0

lru

Input: 1000 1000000

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
1.ml 187ms 3.7ms 6.4MB 177ms 0ms ocaml 5.3.0

Input: 1000 3000000

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
1.ml 540ms 17ms 6.6MB 530ms 0ms ocaml 5.3.0

Input: 100 500000

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
1.ml 78ms 1.8ms 6.2MB 70ms 0ms ocaml 5.3.0

merkletrees

Input: 17

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
1.ml 1076ms 24ms 70.2MB 1033ms 30ms ocaml 5.3.0
2.ml 2078ms 22ms 91.8MB 2027ms 37ms ocaml 5.3.0

Input: 15

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
1.ml 146ms 3.2ms 21.6MB 127ms 3ms ocaml 5.3.0
2.ml 355ms 5.3ms 27.7MB 337ms 3ms ocaml 5.3.0

nbody

Input: 5000000

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
1.ml 371ms 0.1ms 5.3MB 360ms 0ms ocaml 5.3.0

Input: 500000

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
1.ml 41ms 1.7ms 5.2MB 33ms 0ms ocaml 5.3.0

nsieve

Input: 12

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
1.ml 945ms 20ms 552.1MB 883ms 47ms ocaml 5.3.0
2.ml 1894ms 13ms 18.5MB 1883ms 0ms ocaml 5.3.0

Input: 10

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
1.ml 183ms 0.9ms 141.7MB 160ms 10ms ocaml 5.3.0
2.ml 467ms 6.7ms 9.1MB 453ms 0ms ocaml 5.3.0

regex-redux

Input: 2500000_in

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
2.ml timeout 0.0ms 477.0MB 4823ms 167ms ocaml 5.3.0

Input: 250000_in

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
2.ml 545ms 3.7ms 57.1MB 510ms 23ms ocaml 5.3.0

spectral-norm

Input: 8000

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
2.ml 4557ms 9.2ms 6.3MB 4543ms 0ms ocaml 5.3.0

Input: 4000

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
2.ml 1144ms 6.9ms 6.1MB 1133ms 0ms ocaml 5.3.0

Input: 2000

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
2.ml 295ms 8.4ms 5.2MB 283ms 0ms ocaml 5.3.0