Other software:
- [fdupes 1.6.1](https://github.com/adrianlopezroche/fdupes)
- [jdupes 1.14.0](https://github.com/jbruchon/jdupes)
- [ddh master](https://github.com/darakian/ddh)
- [fddf 1.7.0](https://github.com/birkenfeld/fddf)
- [rmlint 2.9.0](https://github.com/sahib/rmlint)
Output of [`bench.sh`](bench.sh):
```
Benchmark #1: yadf ~
Time (mean ± σ): 3.230 s ± 0.325 s [User: 4.571 s, System: 5.598 s]
Range (min … max): 2.927 s … 3.629 s 10 runs
Benchmark #2: fdupes -r ~
Time (mean ± σ): 57.421 s ± 0.132 s [User: 24.870 s, System: 32.467 s]
Range (min … max): 57.181 s … 57.597 s 10 runs
Benchmark #3: jdupes -r ~
Time (mean ± σ): 8.759 s ± 0.022 s [User: 3.828 s, System: 4.866 s]
Range (min … max): 8.726 s … 8.782 s 10 runs
Benchmark #4: ddh ~
Time (mean ± σ): 7.010 s ± 0.089 s [User: 22.839 s, System: 11.028 s]
Range (min … max): 6.930 s … 7.220 s 10 runs
Benchmark #5: rmlint --hidden ~
Time (mean ± σ): 15.478 s ± 0.084 s [User: 39.156 s, System: 15.248 s]
Range (min … max): 15.298 s … 15.606 s 10 runs
Benchmark #6: fddf ~
Time (mean ± σ): 4.959 s ± 0.035 s [User: 9.736 s, System: 12.407 s]
Range (min … max): 4.878 s … 5.001 s 10 runs
Summary
'yadf ~' ran
1.54 ± 0.16 times faster than 'fddf ~'
2.17 ± 0.22 times faster than 'ddh ~'
2.71 ± 0.27 times faster than 'jdupes -r ~'
4.79 ± 0.48 times faster than 'rmlint --hidden ~'
17.78 ± 1.79 times faster than 'fdupes -r ~'
```
Results as a csv [table](bench.csv).
Hardware information (extract from `neofetch` and `hwinfo --disk`):
```
OS: Ubuntu 20.04.1 LTS x86_64
Host: XPS 15 9570
Kernel: 5.4.0-42-generic
CPU: Intel i9-8950HK (12) @ 4.800GHz
Memory: 4217MiB / 31755MiB
Disk:
model: "SK hynix Disk"
driver: "nvme"
```