The candidates are this time: gzip, lzma, lzo, xz and uncompressed.
The boot time is measured with grabserial. The image is read from a sd card.
| compression method | image size | loading time | decompression time |
|---|---|---|---|
| gzip | 3978136 | 0.327381 | 0.744222 |
| lzma | 2939704 | 0.245322 | 2.41247 |
| lzo | 4368056 | no boot | |
| xz | 2792912 | 0.220659 | 1.961494 |
| uncompressed | 7967108 | 0.641257 | – |