diff --git a/README.md b/README.md index 8cf87a12..f78b6478 100644 --- a/README.md +++ b/README.md @@ -9,10 +9,7 @@ Kanzi is a modern, modular, expandable and efficient lossless data compressor im * expandable: clean design with heavy use of interfaces as contracts makes integrating and expanding the code easy. No dependencies. * efficient: the code is optimized for efficiency (trade-off between compression ratio and speed). -Kanzi supports a wide range of compression ratios and can compress many files more than most common compressors (at the cost of decompression speed). -It is not compatible with standard compression formats. -Kanzi is a lossless data compressor, not an archiver. It uses checksums (optional but recommended) to validate data integrity but does not have a mechanism for data recovery. It also lacks data deduplication across files. - +Unlike the most common lossless data compressors, Kanzi uses a variety of different compression algorithms and supports a wider range of compression ratios as a result. Kanzi is also multithreadead by design and generates a seekable bit stream. It is not compatible with standard compression formats. Kanzi is a lossless data compressor, not an archiver. It uses checksums (optional but recommended) to validate data integrity but does not have a mechanism for data recovery. It also lacks data deduplication across files. For more details, check https://github.com/flanglet/kanzi-go/wiki. @@ -57,7 +54,7 @@ Kanzi version 2.1 Go implementation. Block size is 100 MB. | Compressor | Encoding (sec) | Decoding (sec) | Size | |---------------------------------|-----------------|-----------------|------------------| |Original | | | 211,938,580 | -|**Kanzi -l 1 -j 1** | **2.0** | **1.0** | **69,399,477** | +|**Kanzi -l 1 -j 1** | **1.9** | **1.0** | **69,399,477** | |**Kanzi -l 1 -j 6** | **0.7** | **0.4** | **69,399,477** | |Pigz 2.6 -5 -p6 | 1.0 | 0.7 | 69,170,603 | |Gzip 1.10 -5 | 4.8 | 1.0 | 69,143,980 | @@ -66,40 +63,40 @@ Kanzi version 2.1 Go implementation. Block size is 100 MB. |Brotli 1.0.9 -2 --large_window=30| 1.5 | 0.8 | 68,033,377 | |Pigz 2.6 -9 -p6 | 3.0 | 0.6 | 67,656,836 | |Gzip 1.10 -9 | 15.5 | 1.0 | 67,631,990 | -|**Kanzi -l 2 -j 1** | **3.2** | **1.2** | **63,808,747** | +|**Kanzi -l 2 -j 1** | **3.1** | **1.2** | **63,808,747** | |**Kanzi -l 2 -j 6** | **1.2** | **0.5** | **63,808,747** | |Brotli 1.0.9 -4 --large_window=30| 4.1 | 0.7 | 64,267,169 | -|**Kanzi -l 3 -j 1** | **5.4** | **2.2** | **59,199,795** | +|**Kanzi -l 3 -j 1** | **5.4** | **2.1** | **59,199,795** | |**Kanzi -l 3 -j 6** | **1.8** | **0.8** | **59,199,795** | |Zstd 1.5.3 -9 --long=30 | 3.7 | 0.3 | 59,272,590 | |Zstd 1.5.3 -9 -T6 --long=30 | 2.3 | 0.3 | 59,272,590 | |Orz 1.5.0 | 7.7 | 2.0 | 57,564,831 | |Brotli 1.0.9 -9 --large_window=30| 36.7 | 0.7 | 56,232,817 | |Lzma 5.2.2 -3 | 24.1 | 2.6 | 55,743,540 | -|**Kanzi -l 4 -j 1** | **9.7** | **5.7** | **54,998,198** | +|**Kanzi -l 4 -j 1** | **9.7** | **5.8** | **54,998,198** | |**Kanzi -l 4 -j 6** | **3.7** | **2.2** | **54,998,198** | |Bzip2 1.0.6 -9 | 14.9 | 5.2 | 54,506,769 | |Zstd 1.5.3 -19 --long=30 | 62.0 | 0.3 | 52,828,057 | |Zstd 1.5.3 -19 -T6 --long=30 | 62.0 | 0.4 | 52,828,057 | -|**Kanzi -l 5 -j 1** | **12.3** | **5.4** | **51,760,244** | +|**Kanzi -l 5 -j 1** | **12.2** | **5.4** | **51,760,244** | |**Kanzi -l 5 -j 6** | **4.2** | **2.0** | **51,760,244** | |Brotli 1.0.9 --large_window=30 | 356.2 | 0.9 | 49,383,136 | |Lzma 5.2.2 -9 | 65.6 | 2.5 | 48,780,457 | -|**Kanzi -l 6 -j 1** | **14.3** | **8.3** | **48,068,000** | +|**Kanzi -l 6 -j 1** | **14.3** | **8.4** | **48,068,000** | |**Kanzi -l 6 -j 6** | **4.8** | **2.8** | **48,068,000** | |bsc 3.2.3 -b100 -T -t | 8.8 | 6.0 | 46,932,394 | |bsc 3.2.3 -b100 | 5.4 | 4.9 | 46,932,394 | |BCM 1.65 -b100 | 15.5 | 21.1 | 46,506,716 | -|**Kanzi -l 7 -j 1** | **19.5** | **13.3** | **46,447,003** | +|**Kanzi -l 7 -j 1** | **19.4** | **13.3** | **46,447,003** | |**Kanzi -l 7 -j 6** | **6.8** | **5.1** | **46,447,003** | |Tangelo 2.4 | 83.2 | 85.9 | 44,862,127 | |zpaq v7.14 m4 t1 | 107.3 | 112.2 | 42,628,166 | |zpaq v7.14 m4 t12 | 108.1 | 111.5 | 42,628,166 | |**Kanzi -l 8 -j 1** | **60.7** | **60.8** | **41,821,127** | -|**Kanzi -l 8 -j 6** | **24.5** | **20.9** | **41,821,155** | +|**Kanzi -l 8 -j 6** | **24.5** | **20.9** | **41,821,127** | |Tangelo 2.0 | 302.0 | 310.9 | 41,267,068 | -|**Kanzi -l 9 -j 1** | **87.7** | **90.0** | **40,361,391** | -|**Kanzi -l 9 -j 6** | **39.2** | **34.5** | **40,361,411** | +|**Kanzi -l 9 -j 1** | **87.5** | **90.0** | **40,361,391** | +|**Kanzi -l 9 -j 6** | **39.2** | **34.5** | **40,361,391** | |zpaq v7.14 m5 t1 | 343.1 | 352.0 | 39,112,924 | |zpaq v7.14 m5 t12 | 344.3 | 350.4 | 39,112,924 |