Update lzav to v5.7

Author: Aleksey Vaneev

README.md

@@ -66,7 +66,7 @@ Supported compressors
  - [libdeflate v1.24](https://github.com/ebiggers/libdeflate)
  - [lizard v2.1](https://github.com/inikep/lizard)
  - [lz4/lz4hc v1.10.0](https://github.com/lz4/lz4)
- - [lzav 5.5](https://github.com/avaneev/lzav)
+ - [lzav 5.7](https://github.com/avaneev/lzav)
  - [lzf 3.6](http://software.schmorp.de/pkg/liblzf.html)
  - [lzfse/lzvn 1.0](https://github.com/lzfse/lzfse)
  - [lzg 1.0.10](https://github.com/mbitsnbites/liblzg)

bench/lzbench.h

@@ -203,7 +203,7 @@ static const compressor_desc_t comp_desc[] =
     { "lz4",        "lz4 1.10.0",              0,   0,    0,  BENCH_POOL_MT, lzbench_lz4_compress,        lzbench_lz4_decompress,        NULL,                    NULL },
     { "lz4fast",    "lz4 1.10.0 --fast",       1,  99,    0,  BENCH_POOL_MT, lzbench_lz4fast_compress,    lzbench_lz4_decompress,        NULL,                    NULL },
     { "lz4hc",      "lz4hc 1.10.0",            1,  12,    0,  BENCH_POOL_MT, lzbench_lz4hc_compress,      lzbench_lz4_decompress,        NULL,                    NULL },
-    { "lzav",       "lzav 5.5",                1,   2,    0,  BENCH_POOL_MT, lzbench_lzav_compress,       lzbench_lzav_decompress,       NULL,                    NULL },
+    { "lzav",       "lzav 5.7",                1,   2,    0,  BENCH_POOL_MT, lzbench_lzav_compress,       lzbench_lzav_decompress,       NULL,                    NULL },
     { "lzf",        "lzf 3.6",                 0,   1,    0,  BENCH_POOL_MT, lzbench_lzf_compress,        lzbench_lzf_decompress,        NULL,                    NULL },
     { "lzfse",      "lzfse 2017-03-08",        0,   0,    0,  BENCH_POOL_MT, lzbench_lzfse_compress,      lzbench_lzfse_decompress,      lzbench_lzfse_init,      lzbench_lzfse_deinit },
     { "lzg",        "lzg 1.0.10",              1,   9,    0,  BENCH_POOL_MT, lzbench_lzg_compress,        lzbench_lzg_decompress,        NULL,                    NULL },

lz/lzav/README.md

@@ -82,6 +82,12 @@ and AArch64 (Apple Silicon) architectures; Windows 10, AlmaLinux 9.3, and
 macOS 15.7. Full C++ compliance is enabled conditionally and automatically
 when the source code is compiled with a C++ compiler.
 
+## Ports
+
+* [C++, vcpkg](https://vcpkg.link/ports/lzav)
+* [FreeArc, by Shegorat](https://krinkels.org/resources/cls-lzav.579/)
+* [Rust, by pkolaczk](https://crates.io/crates/lzav)
+
 ## Customizing C++ namespace
 
 In C++ environments where it is undesirable to export LZAV symbols into the
@@ -151,11 +157,11 @@ Silesia compression corpus
 
 | Compressor      | Compression | Decompression | Ratio % |
 |-----------------|-------------|---------------|---------|
-| **LZAV 5.5**    | 615 MB/s    | 3770 MB/s     | 40.23   |
+| **LZAV 5.7**    | 623 MB/s    | 3790 MB/s     | 39.94   |
 | LZ4 1.9.4       | 700 MB/s    | 4570 MB/s     | 47.60   |
 | Snappy 1.1.10   | 495 MB/s    | 3230 MB/s     | 48.22   |
 | LZF 3.6         | 395 MB/s    | 800 MB/s      | 48.15   |
-| **LZAV 5.5 HI** | 133 MB/s    | 3700 MB/s     | 35.12   |
+| **LZAV 5.7 HI** | 134 MB/s    | 3700 MB/s     | 35.12   |
 | LZ4HC 1.9.4 -9  | 40 MB/s     | 4360 MB/s     | 36.75   |
 
 ### LLVM clang 19.1.7 x86-64, AlmaLinux 9.3, Xeon E-2386G (RocketLake), 5.1 GHz
@@ -164,11 +170,11 @@ Silesia compression corpus
 
 | Compressor      | Compression | Decompression | Ratio % |
 |-----------------|-------------|---------------|---------|
-| **LZAV 5.5**    | 610 MB/s    | 3400 MB/s     | 40.23   |
+| **LZAV 5.7**    | 614 MB/s    | 3490 MB/s     | 39.94   |
 | LZ4 1.9.4       | 848 MB/s    | 4980 MB/s     | 47.60   |
 | Snappy 1.1.10   | 690 MB/s    | 3360 MB/s     | 48.22   |
 | LZF 3.6         | 455 MB/s    | 1000 MB/s     | 48.15   |
-| **LZAV 5.5 HI** | 115 MB/s    | 3340 MB/s     | 35.12   |
+| **LZAV 5.7 HI** | 115 MB/s    | 3350 MB/s     | 35.12   |
 | LZ4HC 1.9.4 -9  | 43 MB/s     | 4920 MB/s     | 36.75   |
 
 ### LLVM clang-cl 18.1.8 x86-64, Windows 10, Ryzen 3700X (Zen2), 4.2 GHz
@@ -177,11 +183,11 @@ Silesia compression corpus
 
 | Compressor      | Compression | Decompression | Ratio % |
 |-----------------|-------------|---------------|---------|
-| **LZAV 5.5**    | 520 MB/s    | 2980 MB/s     | 40.23   |
+| **LZAV 5.7**    | 525 MB/s    | 3060 MB/s     | 39.94   |
 | LZ4 1.9.4       | 675 MB/s    | 4560 MB/s     | 47.60   |
 | Snappy 1.1.10   | 415 MB/s    | 2440 MB/s     | 48.22   |
 | LZF 3.6         | 310 MB/s    | 700 MB/s      | 48.15   |
-| **LZAV 5.5 HI** | 114 MB/s    | 2980 MB/s     | 35.12   |
+| **LZAV 5.7 HI** | 116 MB/s    | 2970 MB/s     | 35.12   |
 | LZ4HC 1.9.4 -9  | 36 MB/s     | 4430 MB/s     | 36.75   |
 
 P.S. Popular Zstd's benchmark was not included here, because it is not a pure
@@ -195,6 +201,30 @@ on Silesia dataset:
 | zstd 1.5.5 -1   | 460 MB/s    | 1870 MB/s     | 41.0    |
 | zstd 1.5.5 1    | 436 MB/s    | 1400 MB/s     | 34.6    |
 
+## Datasets Benchmark
+
+This section presents compression ratio comparisons for various popular
+datasets. Note that each file within these datasets was compressed
+individually, which contributed to the overall ratio.
+
+| Dataset               | Size, MiB | LZAV 5.7 | LZ4 1.9.4 | Snappy 1.1.10 | LZF 3.6 | Source |
+|-----------------------|-----------|----------|-----------|---------------|---------|--------|
+| 4SICS 151020 PCAP     | 24.5      | 20.47    | 21.82     | 24.95         | 25.34   | [www.netresec.com](https://www.netresec.com/?page=PCAP4SICS)|
+| 4SICS 151022 PCAP     | 200.0     | 36.45    | 37.35     | 40.24         | 41.37   | [www.netresec.com](https://www.netresec.com/?page=PCAP4SICS)|
+| Calgary Large         | 3.1       | 44.29    | 51.97     | 51.76         | 49.07   | [data-compression.info](https://www.data-compression.info/Corpora/CalgaryCorpus/) |
+| Canterbury            | 2.68      | 38.07    | 43.73     | 45.42         | 42.49   | [corpus.canterbury.ac.nz](https://corpus.canterbury.ac.nz/) |
+| Canterbury Large      | 10.6      | 38.25    | 51.97     | 48.37         | 54.28   | [corpus.canterbury.ac.nz](https://corpus.canterbury.ac.nz/) |
+| Canterbury Artificial | 0.29      | 33.36    | 33.74     | 36.48         | 34.66   | [corpus.canterbury.ac.nz](https://corpus.canterbury.ac.nz/) |
+| employees_10KB.json   | 0.01      | 22.55    | 24.68     | 23.92         | 23.52   | [sample.json-format.com](https://sample.json-format.com/) |
+| employees_100KB.json  | 0.10      | 15.96    | 17.71     | 19.02         | 21.88   | [sample.json-format.com](https://sample.json-format.com/) |
+| employees_50MB.json   | 51.5      | 10.78    | 16.42     | 18.57         | 21.44   | [sample.json-format.com](https://sample.json-format.com/) |
+| enwik8                | 95.4      | 44.61    | 57.26     | 56.56         | 53.95   | [www.mattmahoney.net](https://www.mattmahoney.net/dc/textdata.html) |
+| enwik9                | 954.7     | 39.39    | 50.92     | 50.79         | 49.30   | [www.mattmahoney.net](https://www.mattmahoney.net/dc/textdata.html) |
+| Manzini               | 855.3     | 26.98    | 37.30     | 38.57         | 39.04   | [people.unipmn.it/manzini](https://people.unipmn.it/manzini/boosting/index.html) |
+| chr22.dna (Manzini)   | 33.0      | 38.79    | 52.82     | 44.53         | 55.86   | [people.unipmn.it/manzini](https://people.unipmn.it/manzini/boosting/index.html) |
+| w3c2 HTML (Manzini)   | 99.4      | 11.43    | 22.20     | 25.35         | 27.20   | [people.unipmn.it/manzini](https://people.unipmn.it/manzini/boosting/index.html) |
+| Silesia               | 202.1     | 39.94    | 47.60     | 48.17         | 48.15   | [github.com/MiloszKrajewski](https://github.com/MiloszKrajewski/SilesiaCorpus) |
+
 ## Notes
 
 1. LZAV API is not equivalent to LZ4 or Snappy API. For example, the `dstlen`