AuroraMiddleware/lz4
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minor benchmark update

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was using wrong memory timing
This commit is contained in:
Yann Collet 2019-04-16 11:52:54 -07:00
parent 6fc763cd98
commit d25b6d6401
2 changed files with 4 additions and 4 deletions
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2
NEWS
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@ -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

6
README.md
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@ -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/