From 2fa47dba67277ea17a456c72be56af2af4137448 Mon Sep 17 00:00:00 2001 From: Emmanuel Marty Date: Wed, 15 May 2019 19:57:04 +0200 Subject: [PATCH] Update stats for lz4ultra 1.1.3 --favor-decSpeed --- README.md | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/README.md b/README.md index 2070304..2aaccd1 100644 --- a/README.md +++ b/README.md @@ -3,15 +3,16 @@ lz4ultra -- Optimal LZ4 packer with faster decompression lz4ultra is a command-line optimal compression utility that produces compressed files in the [lz4](https://github.com/lz4/lz4) format created by Yann Collet. -The tool creates optimally compressed files, like lz4 in optimal compression mode ("lz4hc"), smallLZ4, blz4 and lz4x. The files decompress slightly faster. +The tool creates optimally compressed files, like lz4 in optimal compression mode ("lz4hc"), smallLZ4, blz4 and lz4x. The files created with lz4ultra decompress faster. -lz4ultra beats lz4 1.9.1 --12 --favor-decSpeed in both size and the number of tokens produced. With enwik9 (1,000,000,000 bytes): +lz4ultra beats lz4 1.9.1 --12 --favor-decSpeed in both size and decompression speed. With enwik9 (1,000,000,000 bytes): - Compr.size Tokens - lz4 1.9.1 --12 (favor ratio) 371,680,440 95,708,169 - smalLZ4 1.3 371,680,328 93,172,985 - lz4 1.9.1 --12 --favor-decSpeed 376,408,347 92,105,212 - lz4ultra 1.1.0 371,687,509 85,910,002 <--------- + Compr.size Tokens Decomp.time (ms) + lz4 1.9.1 --12 (favor ratio) 371,680,440 95,708,169 345,272 + smalLZ4 1.3 371,680,328 93,172,985 343,571 + lz4ultra 1.1.3 (favor ratio) 371,687,509 85,910,002 342,159 + lz4 1.9.1 --12 --favor-decSpeed 376,408,347 92,105,212 304,911 + lz4ultra 1.1.3 --favor-decSpeed 376,118,380 88,521,891 289,355 <-------------- The produced files are meant to be decompressed with the lz4 tool and library. While lz4ultra includes a decompressor, it is mostly meant to verify the output of the compressor and isn't as optimized as Yann Collet's lz4 proper.