fib(40)
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### Intel i5-8250U x64 (1.6-3.4GHz)
Native C implementation 0.23s
Linux 3.83s
Win 10 5.35s
wasm3 on V8 (Emscripten 1.38, node v13.0.1) 17.98s
### Raspberry Pi 4 BCM2711B0 armv7l (A72 @ 1.5GHz)
Native C implementation 1.11s
Linux 22.97s
### Orange Pi Zero Plus2 H5 aarch64 (A53 @ 1GHz)
Native C implementation 2.55s
Linux 50.00s
### VoCore2 mips32r2 (MT7628AN @ 580MHz)
Native C implementation 6.21s
OpenWRT 2m 38s
### Xiaomi Mi Router 3G mips32r2 (MT7621AT @ 880MHz)
Native C implementation 8.83s
OpenWRT 3m 20s
fib32(24) fib64(24) comments
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Maix (K210) rv64imafc @ 400MHz 77ms 77ms
ESP8266 LX106 @ 160MHz 288ms 299ms TCO failed, stack used: 9024
ESP32 LX6 @ 240MHz 410ms 430ms TCO failed, stack used: 10600
ESP32-s2 (beta) LX6 @ 240MHz 440ms 460ms TCO failed
Particle Photon Arm M3 @ 120MHz 525ms 562ms
MXChip AZ3166 Arm M4 @ 100MHz 651ms 713ms
WM W600 Arm M3 @ 80MHz 710ms 782ms TCO enabled, stack used: 1325
WM W600 Arm M3 @ 80MHz 836ms 914ms TCO disabled, stack used: 8109
Arduino DUE (SAM3X8E) Arm M3 @ 84MHz 754ms 813ms
BleNano2 (nRF52) Arm M4 @ 64MHz 1.19s 1.29s
Arduino MKR1000 Arm M0+ @ 48MHz 1.93s 2.06s TCO failed
TinyBLE (nRF51) Arm M0 @ 16MHz 5.58s 5.93s TCO failed
BluePill Arm M3 @ 72MHz 7.62s 8.20s
HiFive1 (FE310) rv32imac @ 320MHz 9.10s 9.82s <- something wrong here?
Fomu rv32i @ 12MHz 25.20s 26.10s
This is how different engines run the same function on Intel i5-8250U (1.6-3.4GHz):
fib(40)
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WAVM jit 0.62s
wasmer jit 0.70s
V8 (Node.js jit 0.74s
SpiderMonkey jit 0.93s
iwasm interp 25.70s
wac interp 37.11s
### other languages
LuaJIT jit 1.15s
Node v10.15 jit 2.97s
Lua 5.1 interp 16.65s
Python 2.7 interp 34.08s
Python 3.4 interp 35.67s
Micropython v1.11 interp 85,00s
Espruino 2v04 interp >20m