## compression ratio

|      | gzip  | bzip2  | xz     | xz -e  | lz4    | lzma   | snzip  |
| ---- | ----- | ------ | ------ | ------ | ------ | ------ | ------ |
| 0    |       |        | 80.73% | 84.61% |        | 84.92% |        |
| 1    | 74.5% | 81.05% | 82.81% | 85.59% | 67.19% | 86.46% | 66.25% |
| 2    | 75.7% | 82.38% | 83.66% | 85.97% | 67.19% |        |        |
| 3    | 76.6% | 82.98% | 84.09% | 86.25% | 75.22% |        |        |
| 4    | 78.3% | 83.35% | 84.86% | 86.26% | 75.65% |        |        |
| 5    | 79.2% | 83.62% | 86.06% | 86.47% | 75.89% |        |        |
| 6    | 79.6% | 83.81% | 86.38% | 86.47% | 76.01% |        |        |
| 7    | 79.7% | 83.97% | 86.56% | 86.67% | 76.07% |        |        |
| 8    | 79.8% | 84.08% | 86.74% | 86.84% | 76.10% |        |        |
| 9    | 79.8% | 84.19% | 86.88% | 86.99% | 76.11% |        |        |



## compression time

|      | gzip   | bzip2  | xz      | xz -e   | lz4    | lzma    | snzip |
| ---- | ------ | ------ | ------- | ------- | ------ | ------- | ----- |
| 0    |        |        | 50.60s  | 333.05s |        | 288.73s |       |
| 1    | 10.34s | 74.76s | 50.79s  | 360.19s | 3.22s  | 455.00s | 2.96s |
| 2    | 11.39s | 74.39s | 64.31s  | 390.78s | 3.37s  |         |       |
| 3    | 13.33s | 75.44s | 99.85s  | 398.39s | 11.16s |         |       |
| 4    | 16.14s | 76.58s | 178.79s | 434.64s | 13.04s |         |       |
| 5    | 21.01s | 77.44s | 301.12s | 437.66s | 15.75s |         |       |
| 6    | 28.47s | 77.96s | 370.80s | 497.70s | 18.74s |         |       |
| 7    | 33.82s | 77.96s | 417.60s | 561.10s | 22.26s |         |       |
| 8    | 45.66s | 78.74s | 473.67s | 624.27s | 25.93s |         |       |
| 9    | 51.07s | 79.18s | 536.60s | 694.36s | 29.18s |         |       |


## decompression time

|      | gzip  | bzip2 | xz     | xz -e  | lz4   | lzma  | snzip |
| ---- | ----- | ----- | ------ | ------ | ----- | ----- | ----- |
| 0    |       |       | 16.09s | 13.22s |       | 8.00s |       |
| 1    | 4.76s |       | 13.90s | 12.05s | 1.89s | 7.90s | 1.94s |
| 2    | 4.52s |       | 12.94s | 11.65s | 1.93s |       |       |
| 3    | 4.55s |       | 12.40s | 11.54s | 1.82s |       |       |
| 4    | 4.44s |       | 12.24s | 11.80s | 1.81s |       |       |
| 5    | 4.38s |       | 11.59s | 11.37s | 1.80s |       |       |
| 6    | 4.28s |       | 11.47s | 11.27s | 1.73s |       |       |
| 7    | 4.17s |       | 11.44s | 11.28s | 1.66s |       |       |
| 8    | 4.26s |       | 11.42s | 11.36s | 1.81s |       |       |
| 9    | 4.26s |       | 11.65s | 11.38s | 1.72s |       |       |



## Test Environment

Software used in this test (version strings):

- gzip :`FreeBSD gzip 20150413`
- bzip2: `Version 1.0.6, 6-Sept-2010`
- xz: `xz (XZ Utils) 5.2.2 , liblzma 5.2.2`
- lz4: `v1.7.5`
- lzma: `9.22 beta` 
- snzip: `1.0.4`

Hardware:

```
# sysctl hw.model hw.machine_arch hw.realmem hw.clockrate
hw.model: Intel(R) Xeon(R) CPU E5-4620 0 @ 2.20GHz
hw.machine_arch: amd64
hw.realmem: 34359738368
hw.clockrate: 2200
```

OS: 

```
# uname -rsmK
FreeBSD 11.0-STABLE amd64 1100506
```