OCaml VS C++ benchmarks

Current benchmark data was generated on Sun Jan 29 2023, 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
ocaml 1.ml 4932ms 8.7ms 153.4MB 4857ms 60ms ocaml 5.0.0

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 1.ml 346ms 2.9ms 22.9MB 330ms 0ms ocaml 5.0.0

fannkuch-redux

Input: 11

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 1-im.cpp 757ms 6.8ms 1.3MB 1457ms 0ms g++ 12.2.0
cpp 1-im.cpp 770ms 13ms 3.9MB 1493ms 0ms clang++ 14.0.0
ocaml 2.ml 3965ms 11ms 2.8MB 3953ms 0ms ocaml 5.0.0

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 1-im.cpp 71ms 0.7ms 1.3MB 120ms 0ms g++ 12.2.0
cpp 1-im.cpp 72ms 0.8ms 5.9MB 123ms 0ms clang++ 14.0.0
ocaml 2.ml 329ms 0.4ms 2.9MB 320ms 0ms ocaml 5.0.0

fasta

Input: 2500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 6.ml 422ms 0.6ms 22.7MB 407ms 0ms ocaml 5.0.0

Input: 250000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 6.ml 46ms 0.8ms 4.8MB 40ms 0ms ocaml 5.0.0

helloworld

Input: QwQ

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 1.cpp 1.7ms 0.4ms 1.3MB 0ms 0ms g++ 12.2.0
cpp 1.cpp 1.9ms 0.6ms 1.4MB 0ms 0ms clang++ 14.0.0
ocaml 1.ml 2.5ms 0.8ms 2.8MB 0ms 0ms ocaml 5.0.0

lru

Input: 1000 1000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 1.ml 261ms 2.5ms 6.8MB 250ms 0ms ocaml 5.0.0

Input: 1000 3000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 1.ml 768ms 0.5ms 6.8MB 760ms 0ms ocaml 5.0.0

Input: 100 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 1.ml 116ms 1.2ms 6.0MB 110ms 0ms ocaml 5.0.0

merkletrees

Input: 17

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 1.ml 1554ms 4.5ms 69.1MB 1510ms 23ms ocaml 5.0.0
ocaml 2.ml 3269ms 59ms 74.3MB 3220ms 37ms ocaml 5.0.0

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 1.ml 229ms 1.2ms 25.6MB 213ms 7ms ocaml 5.0.0
ocaml 2.ml 579ms 2.5ms 30.1MB 557ms 0ms ocaml 5.0.0

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 0-i.cpp 225ms 0.6ms 1.3MB 210ms 0ms g++ 12.2.0
cpp 0-i.cpp 253ms 0.3ms 1.4MB 240ms 0ms clang++ 14.0.0
cpp 1.cpp 327ms 1.4ms 1.4MB 313ms 0ms clang++ 14.0.0
cpp 1.cpp 341ms 0.6ms 1.3MB 330ms 0ms g++ 12.2.0
ocaml 1.ml 469ms 0.4ms 2.9MB 460ms 0ms ocaml 5.0.0

Input: 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 0-i.cpp 25ms 0.7ms 1.3MB 13ms 0ms g++ 12.2.0
cpp 0-i.cpp 28ms 0.5ms 1.4MB 20ms 0ms clang++ 14.0.0
cpp 1.cpp 35ms 0.3ms 1.4MB 23ms 0ms clang++ 14.0.0
cpp 1.cpp 38ms 2.9ms 1.3MB 30ms 0ms g++ 12.2.0
ocaml 1.ml 50ms 0.3ms 3.5MB 40ms 0ms ocaml 5.0.0

nsieve

Input: 12

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 1.cpp 641ms 0.7ms 7.6MB 627ms 0ms g++ 12.2.0
cpp 1.cpp 707ms 2.2ms 7.5MB 697ms 0ms clang++ 14.0.0
ocaml 1.ml 1997ms 3.1ms 550.5MB 1863ms 113ms ocaml 5.0.0
ocaml 2.ml 2386ms 11ms 19.0MB 2367ms 3ms ocaml 5.0.0

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 1.cpp 153ms 0.2ms 3.9MB 140ms 0ms g++ 12.2.0
cpp 1.cpp 170ms 1.3ms 3.9MB 160ms 0ms clang++ 14.0.0
ocaml 1.ml 387ms 13ms 140.4MB 350ms 27ms ocaml 5.0.0
ocaml 2.ml 579ms 0.8ms 9.1MB 567ms 0ms ocaml 5.0.0

regex-redux

Input: 2500000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 2.ml timeout 0.0ms 181.9MB 4923ms 53ms ocaml 5.0.0

Input: 250000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 2.ml 719ms 5.1ms 52.5MB 677ms 20ms ocaml 5.0.0

spectral-norm

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 8-m.cpp 1059ms 1.1ms 3.3MB 2070ms 3ms clang++ 14.0.0
cpp 7-m.cpp 1063ms 0.2ms 3.4MB 2077ms 0ms clang++ 14.0.0
cpp 7-m.cpp 1064ms 4.4ms 1.4MB 2083ms 0ms g++ 12.2.0
cpp 8-m.cpp 1066ms 1.8ms 1.3MB 2083ms 0ms g++ 12.2.0
cpp 6-im.cpp 2222ms 12ms 3.3MB 4360ms 3ms clang++ 14.0.0
cpp 6-im.cpp 2236ms 14ms 1.3MB 4390ms 3ms g++ 12.2.0
ocaml 2.ml timeout 0.0ms 4.1MB 4987ms 0ms ocaml 5.0.0

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 8-m.cpp 275ms 0.8ms 1.3MB 520ms 0ms g++ 12.2.0
cpp 8-m.cpp 275ms 1.2ms 3.3MB 517ms 0ms clang++ 14.0.0
cpp 7-m.cpp 276ms 1.6ms 3.3MB 520ms 0ms clang++ 14.0.0
cpp 7-m.cpp 276ms 1.2ms 1.4MB 520ms 0ms g++ 12.2.0
cpp 6-im.cpp 565ms 2.3ms 1.3MB 1087ms 0ms g++ 12.2.0
cpp 6-im.cpp 574ms 22ms 3.3MB 1100ms 0ms clang++ 14.0.0
ocaml 2.ml 1633ms 0.1ms 3.6MB 1623ms 0ms ocaml 5.0.0

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 7-m.cpp 76ms 1.3ms 3.3MB 130ms 0ms clang++ 14.0.0
cpp 7-m.cpp 77ms 1.8ms 1.4MB 130ms 0ms g++ 12.2.0
cpp 8-m.cpp 77ms 1.6ms 3.3MB 130ms 0ms clang++ 14.0.0
cpp 8-m.cpp 79ms 2.0ms 1.4MB 130ms 0ms g++ 12.2.0
cpp 6-im.cpp 150ms 2.7ms 3.4MB 273ms 0ms clang++ 14.0.0
cpp 6-im.cpp 150ms 1.0ms 1.3MB 273ms 0ms g++ 12.2.0
ocaml 2.ml 411ms 0.7ms 3.3MB 400ms 0ms ocaml 5.0.0