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Guilleag01
2025-01-12 14:04:23 +01:00
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@@ -4,7 +4,7 @@
- [Compression test](#compression-test) - [Compression test](#compression-test)
- [Test setup](#test-setup) - [Test setup](#test-setup)
- [Results](#results) - [Results](#results)
- [Non compressible data](#non-compressible-data) - [Non-compressible data](#non-compressible-data)
- [Lots of data with mixed types and sizes](#lots-of-data-with-mixed-types-and-sizes) - [Lots of data with mixed types and sizes](#lots-of-data-with-mixed-types-and-sizes)
- [A lot of many small text files](#a-lot-of-many-small-text-files) - [A lot of many small text files](#a-lot-of-many-small-text-files)
- [A few text files](#a-few-text-files) - [A few text files](#a-few-text-files)
@@ -15,8 +15,8 @@ I made some test on multiple of the compression algorithms and tools found on li
## Test setup ## Test setup
The algorithms were tested on the following situations: The algorithms were tested on the following situations:
- **Lots of data with mixed types and sizes:** A lot of various types of files of varying sizes. The total size of all the files is 4.36 GiB - **Lots of data with mixed types and sizes:** A lot of various types of files of varying sizes. The total size of all the files is 4.36 GiB
- **Non compressible data:** A lot of barely compressible files, in thes case jpeg images. The total size of all the files is 0.62 GiB - **Non-compressible data:** A lot of barely compressible files, in thes case jpeg images. The total size of all the files is 0.62 GiB
- **A lot of many small text files:** A lot small text files, all the files are under 1MB in size. The total size of all the files is 0.96 GiB - **A lot of many small text files:** A lot of small text files, all the files are under 1MB in size. The total size of all the files is 0.96 GiB
- **A few text files:** A few text files. The total size of all the files is 9.54 MiB - **A few text files:** A few text files. The total size of all the files is 9.54 MiB
- **A few mixed files:** A few files varying in size and type. The total size of all the files is 6.66 MiB - **A few mixed files:** A few files varying in size and type. The total size of all the files is 6.66 MiB
@@ -42,9 +42,9 @@ The tests were run on a system with the following specs
Notes: All the algorithms were run with the maximum compression mode. Notes: All the algorithms were run with the maximum compression mode.
## Results ## Results
### Non compressible data ### Non-compressible data
Test with "Non compressible data" sorted by "Time" Test with "Non-compressible data" sorted by "Time"
| Compression Algorithm | Time | Compression | Time normalized compression | | Compression Algorithm | Time | Compression | Time normalized compression |
| :-------------------- | ------: | ----------: | --------------------------: | | :-------------------- | ------: | ----------: | --------------------------: |
@@ -60,7 +60,7 @@ Test with "Non compressible data" sorted by "Time"
| PGZIP | 1.26777 | 1.00505 | 0.784826 | | PGZIP | 1.26777 | 1.00505 | 0.784826 |
Test with "Non compressible data" sorted by "Compression" Test with "Non-compressible data" sorted by "Compression"
| Compression Algorithm | Time | Compression | Time normalized compression | | Compression Algorithm | Time | Compression | Time normalized compression |
| :-------------------- | ------: | ----------: | --------------------------: | | :-------------------- | ------: | ----------: | --------------------------: |
@@ -76,7 +76,7 @@ Test with "Non compressible data" sorted by "Compression"
| PBZIP2 | 3.8217 | 1.02804 | 0.254526 | | PBZIP2 | 3.8217 | 1.02804 | 0.254526 |
Test with "Non compressible data" sorted by "Time normalized compression" Test with "Non-compressible data" sorted by "Time normalized compression"
| Compression Algorithm | Time | Compression | Time normalized compression | | Compression Algorithm | Time | Compression | Time normalized compression |
| :-------------------- | ------: | ----------: | --------------------------: | | :-------------------- | ------: | ----------: | --------------------------: |