INTRODUCTION
-This is wimlib version 1.7.2-BETA (August 2014). wimlib is a C library for
+This is wimlib version 1.7.3-BETA (October 2014). wimlib is a C library for
creating, modifying, extracting, and mounting files in the Windows Imaging
Format (WIM files). wimlib and its command-line frontend 'wimlib-imagex'
provide a free and cross-platform alternative to Microsoft's WIMGAPI, ImageX,
implementation in WIMGAPI is included.
=============================================================================
- | Compression || wimlib (v1.7.2-BETA) | WIMGAPI (Windows 8.1) |
+ | Compression || wimlib (v1.7.2) | WIMGAPI (Windows 8.1) |
=============================================================================
- | None [1] || 361,404,682 in 3.4s | 361,364,994 in 4.2s |
- | XPRESS [2] || 138,398,747 in 4.2s | 140,468,002 in 5.1s |
- | XPRESS (slow) [3] || 135,284,950 in 10.3s | N/A |
- | LZX (quick) [4] || 131,861,913 in 4.7s | N/A |
- | LZX (normal) [5] || 126,855,247 in 14.9s | 127,301,774 in 18.2s |
- | LZX (slow) [6] || 126,245,561 in 32.1s | N/A |
- | LZMS (non-solid) [7] || 122,126,328 in 16.4s | N/A |
- | LZMS (solid) [8] || 93,795,440 in 47.4s | 88,789,426 in 96.8s |
- | "WIMBoot" [9] || 167,121,495 in 5.3s | 169,124,968 in 9.3s |
- | "WIMBoot" (slow) [10] || 165,219,818 in 9.4s | N/A |
+ | None [1] || 361,314,224 in 3.4s | 361,315,338 in 4.5s |
+ | XPRESS [2] || 138,380,918 in 4.2s | 140,457,487 in 6.3s |
+ | XPRESS (slow) [3] || 135,269,627 in 11.1s | N/A |
+ | LZX (quick) [4] || 130,332,081 in 4.7s | N/A |
+ | LZX (normal) [5] || 126,714,941 in 12.9s | 127,293,240 in 19.2s |
+ | LZX (slow) [6] || 126,150,725 in 23.4s | N/A |
+ | LZMS (non-solid) [7] || 121,909,750 in 13.3s | N/A |
+ | LZMS (solid) [8] || 93,650,894 in 44.4s | 88,771,192 in 109.2 |
+ | "WIMBoot" [9] || 167,095,369 in 6.4s | 169,109,650 in 10.7s |
+ | "WIMBoot" (slow) [10] || 165,195,668 in 9.5s | N/A |
=============================================================================
Notes:
The compression ratio provided by wimlib is also competitive with commonly used
archive formats. Below are file sizes that result when the Canterbury corpus is
-compressed with wimlib (v1.7.0), WIMGAPI (Windows 8), and some other
+compressed with wimlib (v1.7.2), WIMGAPI (Windows 8.1), and some other
formats/programs:
- =================================================
- | Format | Size (bytes) |
- =================================================
- | tar | 2,826,240 |
- | WIM (WIMGAPI, None) | 2,814,278 |
- | WIM (wimlib, None) | 2,813,856 |
- | WIM (WIMGAPI, XPRESS) | 825,410 |
- | WIM (wimlib, XPRESS) | 792,024 |
- | tar.gz (gzip, default) | 738,796 |
- | ZIP (Info-ZIP, default) | 735,334 |
- | tar.gz (gzip, -9) | 733,971 |
- | ZIP (Info-ZIP, -9) | 732,297 |
- | WIM (wimlib, LZX quick) | 722,196 |
- | WIM (WIMGAPI, LZX) | 651,766 |
- | WIM (wimlib, LZX normal) | 649,204 |
- | WIM (wimlib, LZX slow) | 639,618 |
- | WIM (wimlib, LZMS non-solid) | 592,136 |
- | tar.bz2 (bzip, default) | 565,008 |
- | tar.bz2 (bzip, -9) | 565,008 |
- | WIM (wimlib, LZMS solid) | 525,270 |
- | WIM (wimlib, LZMS solid, slow) | 521,700 |
- | WIM (WIMGAPI, LZMS solid) | 521,232 |
- | tar.xz (xz, default) | 486,916 |
- | tar.xz (xz, -9) | 486,904 |
- | 7z (7-zip, default) | 484,700 |
- | 7z (7-zip, -9) | 483,239 |
- =================================================
+ =====================================================
+ | Format | Size (bytes) |
+ =====================================================
+ | tar | 2,826,240 |
+ | WIM (WIMGAPI, None) | 2,814,254 |
+ | WIM (wimlib, None) | 2,814,216 |
+ | WIM (WIMGAPI, XPRESS) | 825,536 |
+ | WIM (wimlib, XPRESS) | 790,016 |
+ | tar.gz (gzip, default) | 738,796 |
+ | ZIP (Info-ZIP, default) | 735,334 |
+ | tar.gz (gzip, -9) | 733,971 |
+ | ZIP (Info-ZIP, -9) | 732,297 |
+ | WIM (wimlib, LZX quick) | 704,006 |
+ | WIM (WIMGAPI, LZX) | 651,866 |
+ | WIM (wimlib, LZX normal) | 632,614 |
+ | WIM (wimlib, LZX slow) | 625,050 |
+ | WIM (wimlib, LZMS non-solid) | 581,960 |
+ | tar.bz2 (bzip, default) | 565,008 |
+ | tar.bz2 (bzip, -9) | 565,008 |
+ | WIM (wimlib, LZX solid) | 532,700 |
+ | WIM (wimlib, LZMS solid) | 525,990 |
+ | WIM (wimlib, LZX solid, slow) | 525,140 |
+ | WIM (wimlib, LZMS solid, slow) | 523,728 |
+ | WIM (WIMGAPI, LZMS solid) | 521,366 |
+ | WIM (wimlib, LZX solid, very slow) | 520,832 |
+ | tar.xz (xz, default) | 486,916 |
+ | tar.xz (xz, -9) | 486,904 |
+ | 7z (7-zip, default) | 484,700 |
+ | 7z (7-zip, -9) | 483,239 |
+ =====================================================
Note: WIM does even better on directory trees containing duplicate files, which
the Canterbury corpus doesn't have.
git://wimlib.net / wimlib / blobdiff