Test Setup And Software Settings
| System Hardware | |
|---|---|
| Hardware | Details |
| Motherboard (LGA 1156) | Gigabyte P55A-UD6 (Rev. 1.0); Chipset: P55; BIOS: F7d (01/19/2010) |
| Processor | Intel Core i7-870 (45nm, 2.93 GHz, 4 x 256KB L2 and 8MB L3 Cache, TDP 95W) |
| DDR3 Memory (Dual-Channel) | 4 x 2GB DDR3-1600 (OCZ OCZ3G2000LV4GK) |
| Hard Drive | A-Data Flash SSD S592 128GB SATA 3 Gb/s, 64MB Cache |
| Graphics | Sapphire Radeon HD 5850 GPU: Cypress (725 MHz); Graphics RAM: 1GB GDDR5 (2,000 MHz); Stream Processors: 1,440 |
| Power Supply | PC Power & Cooling, Silencer 750EPS12V 750W |
| System Software & Drivers | |
| Operating System | Windows 7 Ultimate X64 Updated 2010-01-11 |
| Drivers and Settings | |
| Intel Chipset Drivers | Chipset Installation Utility Ver. 9.1.1.1025 |
| ATI Graphics Drivers | Catalyst 9.12 |
Files for Testing
- 30 JPEGs (67.5MB)
- 21 PDF documents (123MB)
- 4 Excel files (9MB)
- 10 PowerPoint presentations (67MB)
- 17 Word documents (41MB)
- The entire OpenOffice 3.1.1 installation library (341MB)
Total size: 650MB
| Application Benchmarks and Settings | |
|---|---|
| Benchmark | Details |
| 7-Zip | Version 9.1 beta LZMA 1. Syntax "a -t7z -r -m0=LZMA -mx=9" 2. Syntax "a -t7z -r -m0=LZMA -mx=5" LZMA2 3. Syntax "a -t7z -r -m0=LZMA2 -mx=9" 4. Syntax "a -t7z -r -m0=LZMA2 -mx=5" ZIP 5. Syntax "a -tzip -r -mx=9" 6. Syntax "a -tzip -r -mx=5" |
| Benchmark: 2010-THG-Workload | |
| FreeArc | Version 0.60 1. Syntax "a -r -mx -ld1600m" 2. Syntax "a -r -m4 -s128m" Benchmark: 2010-THG-Workload |
| WinRAR | Version 3.92 Beta 1 RAR 1. Syntax "a -r -m5" 2. Syntax "a -r -m3" ZIP 3. Syntax "winrar a -afzip -r -m5" 4. Syntax "winrar a -afzip -r -m3" Benchmark: 2010-THG-Workload |
| WinZip 14 | Version 14.0 Pro (8652) WinZIP Commandline Version 3 ZIP 1. Syntax "-a -ee -p -r" 2. Syntax "-a -en -p -r" ZIPX 3. Syntax "-a -ez -p -r" 4. Syntax "-a -el -p -r" Benchmark: 2010-THG-Workload |
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Aw no you didn't test PK-ZIP!!
I have used 7-Zip for a while, hats of to the Developers
Bloody hell! PK-zip! not used that in over 10 years!
Great article. Always used WinRAR and never really took 7-Zip seriously, but may now!
Can't remember why I started using 7zip, but I certainly won't be changing any time soon!
Thanks for a nice article. One potentially important aspect of archiving does not seem to be mentioned, and it would be really useful to see it considered. This is the archive format: solid or non-solid.
By default 7-Zip uses solid compression, which gives it an advantage in compression ratios, particularly when compressing lots of relatively small files. Conversely, WinRAR use non-solid compression by default, which provides a significant performance advantage if you want access specific files within the archive rather than only extracting the complete archive.
Would it be possible to use GPU's for this kind of task?
In terms of which compression program I use, I prefer WinRAR. I often work with huge video files and a limited amount of disk space, so what I do is RAR the files to a smaller size (some compress really well), so that they can be batch processed them at a later date (transcoded from uncompressed AVI to Divx). I find WinRAR fast and flexible; it's cool being able to alter the priority and compression profile on-the-fly.
As a Linux user I use the default compression tool which happens to be 7-Zip.
So 7zip is the best? we already knew that! why did you even bother with winzip? were not running 98SE here, .zip file functionality has been native to windows for almost a decade making winzip about as useful as the pkzip.exe it replaced
I've been using winrar since early 90s. It was always much better than zip though arc was nice for executables. Never bothered to look for others. But 7zip really impressed since the difference in compression is marginal whether best compression or default is used while time compressing is very impressive. Its important though to test that theory about using solid archives. I've always avoid solid archives because they're harder to recover from errors and you can't access individual files.
What about windows built in zip folder thingy
7zip is really good, but i use IZArc (yeah, i kno, uve never heard of it) simply because its tiny and ive never had a file type it couldnt open. People are always sending me weird file types. We should have a file compatability test for the 4 compression programs just tested, see if they actually are useful at opening different compressed files.