diff options
| -rw-r--r-- | NEWS | 2 | ||||
| -rw-r--r-- | README.md | 6 |
2 files changed, 4 insertions, 4 deletions
@@ -1,5 +1,5 @@ v1.9.0 -perf: large decompression speed improvement on x86/x64 (~+20%) by @djwatson +perf: large decompression speed improvement on x86/x64 (up to +20%) by @djwatson api : changed : _destSize() compression variants are promoted to stable API api : new : LZ4_initStream(HC), replacing LZ4_resetStream(HC) api : changed : LZ4_resetStream(HC) as recommended reset function, for better performance on small data @@ -51,7 +51,7 @@ Benchmarks The benchmark uses [lzbench], from @inikep compiled with GCC v8.2.0 on Linux 64-bits (Ubuntu 4.18.0-17). -The reference system uses a Core i7-9700K CPU @ 4.9GHz. +The reference system uses a Core i7-9700K CPU @ 4.9GHz (w/ turbo boost). Benchmark evaluates the compression of reference [Silesia Corpus] in single-thread mode. @@ -61,14 +61,14 @@ in single-thread mode. | Compressor | Ratio | Compression | Decompression | | ---------- | ----- | ----------- | ------------- | | memcpy | 1.000 | 13700 MB/s | 13700 MB/s | -|**LZ4 default (v1.9.0)** |**2.101**| **780 MB/s**| **4900 MB/s** | +|**LZ4 default (v1.9.0)** |**2.101**| **780 MB/s**| **4970 MB/s** | | LZO 2.09 | 2.108 | 670 MB/s | 860 MB/s | | QuickLZ 1.5.0 | 2.238 | 575 MB/s | 780 MB/s | | Snappy 1.1.4 | 2.091 | 565 MB/s | 1950 MB/s | | [Zstandard] 1.4.0 -1 | 2.883 | 515 MB/s | 1380 MB/s | | LZF v3.6 | 2.073 | 415 MB/s | 910 MB/s | | [zlib] deflate 1.2.11 -1| 2.730 | 100 MB/s | 415 MB/s | -|**LZ4 HC -9 (v1.8.2)** |**2.721**| 39 MB/s | **4850 MB/s** | +|**LZ4 HC -9 (v1.8.2)** |**2.721**| 41 MB/s | **4900 MB/s** | | [zlib] deflate 1.2.11 -6| 3.099 | 36 MB/s | 445 MB/s | [zlib]: http://www.zlib.net/ |