Programming Language and compiler
Benchmarks

C++ VS Nim benchmarks

Current benchmark data was generated on Sat Jan 28 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.)

fannkuch-redux

Input: 11

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 1-im.cpp 756ms 13ms 1.4MB 1457ms 0ms g++ 12.2.0
cpp 1-im.cpp 763ms 5.8ms 4.0MB 1487ms 0ms clang++ 14.0.0

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 1-im.cpp 70ms 0.3ms 1.4MB 117ms 0ms g++ 12.2.0
cpp 1-im.cpp 72ms 1.8ms 4.0MB 123ms 0ms clang++ 14.0.0

helloworld

Input: QwQ

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim 1.5ms 0.8ms 1.3MB 0ms 0ms nim/clang 1.6.10
cpp 1.cpp 1.7ms 0.8ms 2.4MB 0ms 0ms g++ 12.2.0
nim 1.nim 1.7ms 0.7ms 1.0MB 0ms 0ms nim 1.6.10
cpp 1.cpp 2.1ms 0.6ms 1.4MB 0ms 0ms clang++ 14.0.0

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 0-i.cpp 225ms 0.5ms 1.3MB 213ms 0ms g++ 12.2.0
cpp 0-i.cpp 255ms 3.2ms 1.4MB 240ms 0ms clang++ 14.0.0
cpp 1.cpp 326ms 1.8ms 1.4MB 313ms 0ms clang++ 14.0.0
cpp 1.cpp 341ms 1.0ms 1.3MB 330ms 0ms g++ 12.2.0
nim 2.nim 381ms 0.4ms 1.3MB 370ms 0ms nim 1.6.10
nim 2.nim 412ms 3.2ms 1.3MB 403ms 0ms nim/clang 1.6.10

Input: 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 0-i.cpp 25ms 0.0ms 1.3MB 17ms 0ms g++ 12.2.0
cpp 0-i.cpp 29ms 2.1ms 1.4MB 20ms 0ms clang++ 14.0.0
cpp 1.cpp 36ms 0.8ms 1.4MB 27ms 0ms clang++ 14.0.0
cpp 1.cpp 36ms 0.4ms 1.4MB 30ms 0ms g++ 12.2.0
nim 2.nim 40ms 0.0ms 1.4MB 30ms 0ms nim 1.6.10
nim 2.nim 43ms 0.2ms 1.2MB 30ms 0ms nim/clang 1.6.10

nsieve

Input: 12

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim 574ms 11ms 40.6MB 553ms 0ms nim/clang 1.6.10
nim 1.nim 587ms 10ms 40.2MB 570ms 0ms nim 1.6.10
nim 2.nim 587ms 4.0ms 6.4MB 573ms 0ms nim/clang 1.6.10
cpp 1.cpp 644ms 12ms 7.8MB 633ms 0ms g++ 12.2.0
nim 2.nim 667ms 5.2ms 6.2MB 657ms 0ms nim 1.6.10
cpp 1.cpp 711ms 5.6ms 7.7MB 697ms 0ms clang++ 14.0.0

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
nim 1.nim 128ms 2.1ms 11.3MB 120ms 0ms nim/clang 1.6.10
nim 1.nim 128ms 0.4ms 11.1MB 120ms 0ms nim 1.6.10
nim 2.nim 138ms 0.3ms 3.2MB 130ms 0ms nim/clang 1.6.10
cpp 1.cpp 154ms 2.5ms 4.0MB 143ms 0ms g++ 12.2.0
nim 2.nim 157ms 0.3ms 3.1MB 143ms 0ms nim 1.6.10
cpp 1.cpp 169ms 0.6ms 4.0MB 160ms 0ms clang++ 14.0.0

spectral-norm

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 7-m.cpp 1059ms 3.0ms 3.3MB 2077ms 0ms clang++ 14.0.0
cpp 7-m.cpp 1061ms 5.4ms 1.3MB 2080ms 0ms g++ 12.2.0
cpp 8-m.cpp 1065ms 0.4ms 1.4MB 2080ms 0ms g++ 12.2.0
cpp 8-m.cpp 1069ms 14ms 3.5MB 2080ms 0ms clang++ 14.0.0
cpp 6-im.cpp 2223ms 8.8ms 3.3MB 4353ms 3ms clang++ 14.0.0
cpp 6-im.cpp 2238ms 14ms 1.3MB 4390ms 0ms g++ 12.2.0
nim 1.nim 4118ms 2.6ms 1.3MB 4107ms 0ms nim/clang 1.6.10
nim 1.nim 4118ms 1.5ms 1.3MB 4107ms 0ms nim 1.6.10

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 7-m.cpp 273ms 0.1ms 3.4MB 520ms 0ms clang++ 14.0.0
cpp 8-m.cpp 274ms 0.9ms 1.4MB 520ms 0ms g++ 12.2.0
cpp 7-m.cpp 275ms 2.4ms 1.3MB 520ms 0ms g++ 12.2.0
cpp 8-m.cpp 276ms 3.9ms 3.3MB 517ms 0ms clang++ 14.0.0
cpp 6-im.cpp 562ms 1.6ms 3.5MB 1087ms 0ms clang++ 14.0.0
cpp 6-im.cpp 566ms 3.0ms 1.4MB 1097ms 0ms g++ 12.2.0
nim 1.nim 1031ms 0.1ms 1.2MB 1020ms 0ms nim/clang 1.6.10
nim 1.nim 1033ms 3.1ms 1.3MB 1020ms 0ms nim 1.6.10

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
cpp 7-m.cpp 75ms 0.9ms 1.3MB 130ms 0ms g++ 12.2.0
cpp 7-m.cpp 76ms 2.0ms 3.3MB 130ms 0ms clang++ 14.0.0
cpp 8-m.cpp 76ms 1.2ms 3.3MB 127ms 0ms clang++ 14.0.0
cpp 8-m.cpp 78ms 4.9ms 1.3MB 130ms 0ms g++ 12.2.0
cpp 6-im.cpp 149ms 0.8ms 3.3MB 270ms 0ms clang++ 14.0.0
cpp 6-im.cpp 151ms 1.5ms 1.3MB 277ms 0ms g++ 12.2.0
nim 1.nim 260ms 0.1ms 1.3MB 250ms 0ms nim 1.6.10
nim 1.nim 261ms 0.1ms 1.3MB 250ms 0ms nim/clang 1.6.10