Notes:
- nim is obviously cheating
- whether 2.9bil is the 46th or actually the 47th (or the 48th) fibonacci number, is beside the point
Languages: ATS, C, C++, Forth (Gforth, SwiftForth, iForth), Lua, Nim, Zig
This code performs a recursive fibonacci to the 46th position with the result of 2,971,215,073.
Benchmarks run on:
- Google PixelBook (eve, 2017)
- OS: ChromeOS
- Processor: 1.20GHz (3.3GHz turbo) i5-7Y57
- Memory: 4GB (as available to Debian container)
Last benchmark was ran on September 28th, 2018
Canonical Forth implementation of FIB (single loop)
| Language | Time, s | Compile |
|---|---|---|
| Zig | 0.001 | zig build-exe fibf.zig --release-fast |
| Lua | 0.002 | luajit -O3 fibf.lua |
| Nim | 0.002 | nim cpp -d:release fibf.nim |
| C++ | 0.003 | g++ -O3 -o fibf fibf.cpp |
| C | 0.003 | gcc -O3 -o fibf fibf.c |
| ATS | 0.004 | patscc -O3 -o fibf-ats fibf.dats |
| SwiftForth | 0.005 | sf fibf.fs |
| gForth | 0.020 | gforth fibf.fs |
| iForth | 0.0 | iforth include fibf-iforth.fs |
Benchmark version (recursive calls)
| Language | Time, s | Compile |
|---|---|---|
| Nim | 0.4 | nim cpp -d:release fib.nim |
| ATS | 4.5 | patscc -O3 -o fib-ats fib.dats |
| C++ | 5.3 | g++ -O3 -o fib fib.cpp |
| C | 5.4 | gcc -O3 -o fib fib.c |
| Zig | 6.4 | zig build-exe fib.zig --release-fast |
| iForth | 18 | iforth include fib.fs |
| LuaJit | 22 | luajit -O3 fib.lua |
| gForth | 90 | gforth fib.fs |
- ATS: 0.3.12
- Gforth: 0.7.3 (64bit)
- SwiftForth: 3.7.3
- iForth: 6.0.8
- GCC: 6.3.0
- Nim: 0.16.0
- Zig: 0.3.0
- LuaJIT: 2.0.4
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