Ocaml VS C++ 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
ocaml 1.ml 4057ms 12ms 120.4MB 4020ms 17ms ocaml 4.14.0

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 1.ml 272ms 1.5ms 17.4MB 257ms 3ms ocaml 4.14.0

fannkuch-redux

Input: 11

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 1-im.cpp 757ms 0.8ms 1.0MB 1457ms 0ms g++ 12.1.0
cpp 1-im.cpp 774ms 8.3ms 3.6MB 1503ms 0ms clang++ 11.0.0
ocaml 2.ml 4187ms 38ms 2.4MB 4173ms 0ms ocaml 4.14.0

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 1-im.cpp 72ms 0.6ms 1.0MB 123ms 0ms g++ 12.1.0
cpp 1-im.cpp 73ms 0.8ms 3.6MB 123ms 0ms clang++ 11.0.0
ocaml 2.ml 340ms 2.1ms 2.6MB 330ms 0ms ocaml 4.14.0

fasta

Input: 2500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 6.ml 425ms 0.9ms 25.4MB 407ms 0ms ocaml 4.14.0

Input: 250000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 6.ml 47ms 1.2ms 4.8MB 40ms 0ms ocaml 4.14.0

helloworld

Input: QwQ

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 1.cpp 2.0ms 0.6ms 0.9MB 0ms 0ms g++ 12.1.0
ocaml 1.ml 2.3ms 0.7ms 2.6MB 0ms 0ms ocaml 4.14.0
cpp 1.cpp 2.5ms 1.0ms 1.1MB 0ms 0ms clang++ 11.0.0

lru

Input: 1000 1000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 1.ml 240ms 1.1ms 5.9MB 227ms 0ms ocaml 4.14.0

Input: 1000 3000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 1.ml 708ms 1.7ms 5.8MB 697ms 0ms ocaml 4.14.0

Input: 100 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 1.ml 104ms 0.3ms 5.0MB 97ms 0ms ocaml 4.14.0

merkletrees

Input: 17

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 1.ml 1528ms 2.4ms 62.6MB 1497ms 17ms ocaml 4.14.0
ocaml 2.ml 2609ms 9.0ms 71.1MB 2577ms 17ms ocaml 4.14.0

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 1.ml 195ms 0.7ms 18.7MB 183ms 3ms ocaml 4.14.0
ocaml 2.ml 437ms 1.6ms 23.6MB 423ms 0ms ocaml 4.14.0

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 0-i.cpp 225ms 0.3ms 0.9MB 213ms 0ms g++ 12.1.0
cpp 0-i.cpp 258ms 0.6ms 1.1MB 247ms 0ms clang++ 11.0.0
cpp 1.cpp 339ms 0.4ms 0.9MB 330ms 0ms g++ 12.1.0
cpp 1.cpp 386ms 2.5ms 1.1MB 373ms 0ms clang++ 11.0.0
ocaml 1.ml 469ms 0.1ms 2.5MB 460ms 0ms ocaml 4.14.0

Input: 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 0-i.cpp 26ms 0.4ms 1.0MB 17ms 0ms g++ 12.1.0
cpp 0-i.cpp 29ms 0.6ms 1.1MB 20ms 0ms clang++ 11.0.0
cpp 1.cpp 36ms 0.7ms 0.9MB 23ms 0ms g++ 12.1.0
cpp 1.cpp 41ms 0.2ms 1.1MB 30ms 0ms clang++ 11.0.0
ocaml 1.ml 49ms 0.2ms 2.5MB 40ms 0ms ocaml 4.14.0

nsieve

Input: 12

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 1.cpp 422ms 5.1ms 7.4MB 403ms 0ms clang++ 11.0.0
cpp 1.cpp 648ms 1.2ms 7.7MB 637ms 0ms g++ 12.1.0
ocaml 1.ml 2063ms 42ms 554.8MB 1947ms 97ms ocaml 4.14.0
ocaml 2.ml 2282ms 3.9ms 19.6MB 2267ms 0ms ocaml 4.14.0

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 1.cpp 94ms 0.2ms 3.7MB 83ms 0ms clang++ 11.0.0
cpp 1.cpp 154ms 0.6ms 4.0MB 147ms 0ms g++ 12.1.0
ocaml 1.ml 406ms 11ms 142.8MB 370ms 20ms ocaml 4.14.0
ocaml 2.ml 551ms 1.5ms 9.6MB 540ms 0ms ocaml 4.14.0

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 0.0MB 0ms 0ms ocaml 4.14.0

Input: 250000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ocaml 2.ml 689ms 1.6ms 50.6MB 657ms 17ms ocaml 4.14.0

spectral-norm

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 8-m.cpp 1060ms 0.4ms 3.1MB 2070ms 0ms clang++ 11.0.0
cpp 7-m.cpp 1061ms 0.7ms 3.2MB 2073ms 0ms clang++ 11.0.0
cpp 8-m.cpp 1066ms 2.3ms 1.0MB 2083ms 0ms g++ 12.1.0
cpp 7-m.cpp 1067ms 1.7ms 0.9MB 2093ms 0ms g++ 12.1.0
cpp 6-im.cpp 2241ms 10.0ms 1.0MB 4400ms 0ms g++ 12.1.0
cpp 6-im.cpp 2242ms 13ms 3.2MB 4400ms 3ms clang++ 11.0.0
ocaml 2.ml timeout 0.0ms 0.0MB 0ms 0ms ocaml 4.14.0

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 8-m.cpp 275ms 0.5ms 3.2MB 517ms 0ms clang++ 11.0.0
cpp 8-m.cpp 277ms 1.3ms 1.0MB 523ms 0ms g++ 12.1.0
cpp 7-m.cpp 277ms 1.7ms 3.2MB 520ms 0ms clang++ 11.0.0
cpp 7-m.cpp 279ms 2.1ms 1.0MB 527ms 0ms g++ 12.1.0
cpp 6-im.cpp 569ms 0.4ms 3.1MB 1097ms 0ms clang++ 11.0.0
cpp 6-im.cpp 571ms 3.0ms 1.0MB 1100ms 0ms g++ 12.1.0
ocaml 2.ml 1650ms 2.9ms 3.4MB 1637ms 0ms ocaml 4.14.0

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 8-m.cpp 76ms 0.5ms 3.3MB 130ms 0ms clang++ 11.0.0
cpp 7-m.cpp 77ms 1.9ms 3.2MB 130ms 0ms clang++ 11.0.0
cpp 8-m.cpp 78ms 3.3ms 1.0MB 133ms 0ms g++ 12.1.0
cpp 7-m.cpp 78ms 2.7ms 1.0MB 130ms 0ms g++ 12.1.0
cpp 6-im.cpp 151ms 1.3ms 1.0MB 280ms 0ms g++ 12.1.0
cpp 6-im.cpp 151ms 1.5ms 3.1MB 273ms 0ms clang++ 11.0.0
ocaml 2.ml 415ms 0.7ms 3.0MB 403ms 0ms ocaml 4.14.0