Versions tested:0.94, 0.94a, 0.94b, 0.95
Rating:47
Performance C/D:54/13
Optimal parameters:-43
Links:lzturbo.zip
lzturbo094b.zip
lzturbo095.zip
lzturbo-0.94b-unlzturbo5.zip
Authors:Hamid Buzidi
Algorithms:LZ+HUF, LZ+ARI
Notable peformances:Application1, Application3, Database1, Game1, Game2, Image1, Image2, Medical1, Medical2, OS1, PGN1, Pitches1, Qualifying1, Source1, Text1, Text2

lzturbo

Lzturbo is a high performance lz77 based compressor featuring parallel compression/decompression and overlapping i/o. Lzturbo is specially designed for modern processors and multicore systems.

Features:

the program documentation

 

The author submitted the following configurations in April 11, 2009:

- Benchmark fast compression time: -10, -11, -21, -31, -41
- Benchmark fast decompression: -19, -29, -39
- Benchmark efficiency: -43, -44
- Benchmark highest compression: -59

(Have info that should be added here? E-mail.)


0.94 disqualified: the program crashes at startup when compressing (displays help screen when launched without parameters).

0.94 April 13, 2009 version is listed as 0.94a. -19, -29, -39 crash in Application1.

0.94 April 15, 2009 version is listed as 0.94b with only -19, -29, -39, -59 tested as the author requested. For -59 decoding we use the lzturbo-0.94b-unlzturbo5.zip program with -d -p0.

Qualified configurations
VerRatingCPRDPRS.E.R.E.RatioC. kB/sD. kB/s
CompressionRatings.Com
-10
0.94a000146901.95380401124935
0.950+4.6%1.954+0%85604+6.5%125995+0.8%
-11
0.94a120179302.09460288121562
0.951+1.8%2.095+0%60688+0.7%125218+3.0%
-19
0.94b32397802.91638398739
0.952-+2.6%-2.6%2.918+0%373-2.6%99793+1.1%
-21
0.94a350195302.2045191593892
0.954+++1.8%2.205+0%53796+3.6%91780-2.2%
-29
0.94b66749703.11137381438
0.9560%-1.0%3.113+0%367-1.6%81032-0.5%
-31
0.94a13231218602.4364105051623
0.9514++4.3%+3.0%2.437+0%41829+1.9%53481+3.6%
-39
0.94b131210311803.30136556320
0.9513+3.9%0%3.304+0%366+0.3%57928+2.9%
-41
0.94a17351167702.5572905827225
0.95170%-2.9%-3.1%2.560+0.1%28095-3.3%26190-3.8%
-43
0.94a475413114302.937652730574
0.9546-2.1%-1.9%-2.9%2.940+0.1%6303-3.4%29844-2.4%
-44
0.94a2427879202.847490829859
0.95240%-3.7%-2.3%2.849+0%4783-2.5%29019-2.8%
-59
0.94b2322998123.73316914229
0.9532+39%+41%+21%+54%3.682-1.4%273+62%19793+39%
Disqualified (why) configurations (with qualification ratings)
VerRatingCPRDPRS.E.R.E.RatioC. kB/sD. kB/s
CompressionRatings.Com
-10
0.94crash while compressing
-11
0.94crash while compressing
-19
0.94crash while compressing
0.94acrash while decompressing
-21
0.94crash while compressing
-29
0.94crash while compressing
0.94acrash while decompressing
-31
0.94crash while compressing
-39
0.94crash while compressing
0.94acrash while decompressing
-41
0.94crash while compressing
-43
0.94crash while compressing
-44
0.94crash while compressing
-59
0.94crash while compressing
0.94acrash while decompressing

Version info

v0.94, using tar: yes, using sfx: no
compression: lzturbo.exe -p0 <args> <src> .
decompression: lzturbo.exe -d -p0 <cfile> .
v0.94a, using tar: yes, using sfx: no
compression: lzturbo.exe -p0 <args> <src> .
decompression: lzturbo.exe -d -p0 <cfile> .
v0.94b, using tar: yes, using sfx: no
compression: lzturbo.exe -p0 <args> <src> .
decompression: lzturbo.exe -d -p0 <cfile> .
v0.95, using tar: yes, using sfx: no
compression: lzturbo_ocpu.exe -p0 <args> <src> .
decompression: lzturbo_ocpu.exe -d -p0 <cfile> .