Dhrystone
This gives you integer performance (DMIPS).
Software from:
https://www.netlib.org/benchmark/dhry-c
A little more modifications done for Dhrystone 2.2
me@z840:~/$ wget https://homepages.cwi.nl/~steven/dry.c
me@z840:~/$ sh dry.c
Results:
Run 13/11/2020 on i7-6820HQ: 32 DMIPS
- Arduino Leonardo: 8.00 MIPS
- Arduino Uno: 8.01 MIPS - should be only 1.21 MIPS …
- Mega 2560: 7.92 MIPS
- ESP8266: does not run
- ESP32: 14.94 MIPS