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Slowest LZSS Compressor in C

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23 Mar 2015CPOL6 min read
An heavily optimized LZSS decompression etude in C

Introduction

My wish to share my latest LZSS decompressor Nakamichi 'Loonette' has all to do with the hope someone (in the future) to improve on it.

No sane person needs slowestness, yet in order to explore the potential of deep LZSS (on English texts), I did dive into the deep.

Background

One of the main goals is to boost I/O bandwidth (linear reads) 2x or 3x by using superfast decompression. NTFS uses some kind of LZSS to achieve that. Recently, I saw m.2 SSD drives breaking the 1GB/s Linear Reads barrier, with super implementations as LzTurbo and LZ4 these 1024MB/s look like an automobile from the 70's. Now, we reach for ten times as much.

A Glimpse at Compression Approach

Right into the ZIP face-off:

D:\_KAZE\EBOOKs_for_benching\Nakamichi_Loonette_Intel15>dir

02/20/2015  06:00 PM        33,258,496 Agatha_Christie_89-ebooks_TXT.tar
02/13/2015  03:46 AM        13,365,137 Agatha_Christie_89-ebooks_TXT.tar.lz4
02/20/2015  05:37 PM        11,745,883 Agatha_Christie_89-ebooks_TXT.tar.Nakamichi
02/20/2015  09:04 PM        11,173,343 Agatha_Christie_89-ebooks_TXT.tar.zip

D:\_KAZE\EBOOKs_for_benching\Nakamichi_Loonette_Intel15>timer32.exe 
            7za.exe t Agatha_Christie_89-ebooks_TXT.tar.zip

7-Zip (A) 9.20  Copyright (c) 1999-2010 Igor Pavlov  2010-11-18
Processing archive: Agatha_Christie_89-ebooks_TXT.tar.zip
Testing     Agatha_Christie_89-ebooks_TXT.tar
Everything is Ok
Size:       33258496
Compressed: 11173343

Kernel  Time =     0.015 =    3%
User    Time =     0.421 =   92%
Process Time =     0.436 =   95%    Virtual  Memory =      2 MB
Global  Time =     0.457 =  100%    Physical Memory =      4 MB

The battlehorse 7-zip decompresses roughly at 33,258,496/0.436/1024/1024= 72MB/s while Nakamichi 'Loonette' at 256MB/s (shown further below). Of course, ZIP sees 64KB arear while 'Loonette' 512MB, it means that on BIG&REDUNDANT TEXTS, compression ratio will go up from 3:1 to 4:1.

As it was stated, it is slowest because only brutal memmem() match finding is used. Choosing Match Lengths to be either 12 or 8 bytes long simplifies the compression if hashing is to be implemented.

Chosen order is sizewise:

// 12:2 = 6
// 8:2 =  4
// 12:3 = 4
// 12:4 = 3
// 8:3 =  2.6
// 8:4 =  2

The second number stands for bytes used to encode Match Offsets i.e., 2, 3 or 4.
The compression is based on classical LZSS (Lempel–Ziv–Storer–Szymanski), I used blueprints by a Japanese coder (many thanks Ito) and simplified both the encoder and decoder.
The attached (in Download Section) archive contains the C source and its Assembly counterpart generated by the latest Intel C optimizer.

A Glimpse at Decompression Approach

My obsession with superfast textual processing resulted in appearance of third-fastest (LzTurbo and LZ4 being the first and second) textual decompressor known to me. It is called Nakamichi 'Tengu' and decompresses 1GB of English texts on i5 4690K @3.5GHz (no-turbo) as:

>Nakamichi_Tengu_XMM_PREFETCH_4096.exe DDETT-Definitive_Decompression_English_Texts_Torture.tar.Nakamichi

Nakamichi 'Tengu', written by Kaze, based on Nobuo Ito's LZSS source, 
    babealicious suggestion by m^2 enforced, muffinesque suggestion by Jim Dempsey enforced.
Decompressing 359115942 bytes ...
RAM-to-RAM performance: 1728 MB/s.
Memory pool starting address: 0000000016394080 ... 64 byte aligned, OK
Copying a 512MB block 1024 times i.e. 512GB READ + 512GB WRITTEN ...
memcpy(): (512MB block); 524288MB copied in 50442 clocks or 10.394MB per clock
RAM-to-RAM performance vs memcpy() ratio (bigger-the-better): 16%

>lz4 -9 -Sx -b -T1 DDETT-Definitive_Decompression_English_Texts_Torture.tar

Nb of threads = 1 ; Compression Level = 9
Not enough memory for 'DDETT-Definitive_Decompression_English_Texts_Torture.tar' full size;
testing 864 MB only...
Loading DDETT-Definitive_Decompression_English_Texts_Torture.tar...
DDETT-Definitiv : 905969664 -> 315340335 ( 34.81%), 22.6 MB/s , 2116.8 MB/s

>lz4 -9 -Sx -b DDETT-Definitive_Decompression_English_Texts_Torture.tar

Nb of threads = 4 ; Compression Level = 9
Not enough memory for 'DDETT-Definitive_Decompression_English_Texts_Torture.tar' full size;
testing 896 MB only...
Loading DDETT-Definitive_Decompression_English_Texts_Torture.tar...
DDETT-Definitiv : 939524096 -> 329287352 ( 35.05%), 85.9 MB/s , 8265.6 MB/s

Yann, the author of LZ4, wrote an almost perfect decompressor, AFAIU utilizing 1/5 of the absolute maximum both in single-thread 2116/10394 and multi-thread 8265/4????, AMAZING!

However my word is for Nakamichi 'Loonette', featuring 8KB/2MB/512MB or (16-3)bit/(24-3)bit/(32-3)bit Sliding Windows with 2/3/4 bytes long offsets. Only 12 (up to 16) and 8 matchlengths are used.

So, this etude is all about writing an heavily optimized LZSS decompress function capable to extract compressed English texts at INSANE speeds disregarding nowadays RAM and CPU's caches latencies (and bandwidth for that matter). Putting aside the boring (both speedwise and sizewise) memory limitations, behold the simplicity of Loonette's decompression:

C++
unsigned int Decompress (char* ret, char* src, unsigned int srcSize) {
    char* retLOCAL = ret;
    char* srcLOCAL = src;
    char* srcEndLOCAL = src+srcSize;
    unsigned int DWORDtrio;
    while (srcLOCAL < srcEndLOCAL) {
        DWORDtrio = *(unsigned int*)srcLOCAL;
#ifndef _N_GP
#ifdef _N_prefetch_4096
        _mm_prefetch((char*)(srcLOCAL + 64*64), _MM_HINT_T0);
#endif
#endif
// |1stLSB    |2ndLSB  |3rdLSB   |
// -------------------------------
// |OO|L|xxxxx|xxxxxxxx|xxxxxx|xx|
// -------------------------------
// [1bit          16bit]    24bit]
// L = 0b means Long MatchLength, (12-L) or 12
// L = 1b means Short MatchLength, (12-L) or 8
// OO = 00b means Literal                                                                        
// OO = 01b MatchOffset, 0xFFFFFFFF>>(3-OO), 
// 2 bytes long i.e. Sliding Window is 2*8-L-OO=(1+OO)*8-3=13 or   8KB    
// OO = 10b MatchOffset, 0xFFFFFFFF>>(3-OO), 
// 3 bytes long i.e. Sliding Window is 3*8-L-OO=(1+OO)*8-3=21 or   2MB    
// OO = 11b MatchOffset, 0xFFFFFFFF>>(3-OO), 
// 4 bytes long i.e. Sliding Window is 4*8-L-OO=(1+OO)*8-3=29 or 512MB     
        DWORDtrio = DWORDtrio&( 0xFFFFFFFF >> ((3-(DWORDtrio & 0x03))<<3) );
        if ( (DWORDtrio & 0x03) == 0x00 ) {                                                       
                #ifdef _N_GP
        memcpy(retLOCAL, (const char *)( (uint64_t)(srcLOCAL+1) ), 16);
                #endif
                #ifdef _N_XMM
        SlowCopy128bit( (const char *)( (uint64_t)(srcLOCAL+1) ), retLOCAL );
                #endif
        retLOCAL+= (DWORDtrio>>3);
        srcLOCAL+= (DWORDtrio>>3)+1;
        } else {
                #ifdef _N_GP
            memcpy(retLOCAL, (const char *)( (uint64_t)(retLOCAL-(DWORDtrio>>3)) ), 16);
                #endif
                #ifdef _N_XMM
            SlowCopy128bit( (const char *)( (uint64_t)(retLOCAL-(DWORDtrio>>3)) ), retLOCAL );
                #endif
        srcLOCAL+= 1+(DWORDtrio&0x03); // 4|3|2
        retLOCAL+= 12-(DWORDtrio&0x04);
        }
    }        
    return (unsigned int)(retLOCAL - ret);
}

/*
; 'Loonette' decompression loop, 76-14+2=100 bytes long:
; mark_description "Intel(R) C++ Intel(R) 64 Compiler XE for applications 
; running on Intel(R) 64, Version 15.0.0.108 Build 20140";
; mark_description "-O3 -QxSSE2 -D_N_XMM -D_N_prefetch_4096 -FAcs";

.B7.3::                         
  00014 41 0f 18 8a 00 
        10 00 00         prefetcht0 BYTE PTR [4096+r10]         
  0001c b8 ff ff ff ff   mov eax, -1                            
  00021 41 8b 12         mov edx, DWORD PTR [r10]               
  00024 89 d1            mov ecx, edx                           
  00026 83 f1 03         xor ecx, 3                             
  00029 c1 e1 03         shl ecx, 3                             
  0002c d3 e8            shr eax, cl                            
  0002e 23 d0            and edx, eax                           
  00030 89 d0            mov eax, edx                           
  00032 83 e0 03         and eax, 3                             
  00035 75 18            jne .B7.5 
.B7.4::                         
  00037 f3 41 0f 6f 42 
        01               movdqu xmm0, XMMWORD PTR [1+r10]       
  0003d c1 ea 03         shr edx, 3                             
  00040 f3 41 0f 7f 01   movdqu XMMWORD PTR [r9], xmm0          
  00045 4c 03 ca         add r9, rdx                            
  00048 ff c2            inc edx                                
  0004a 4c 03 d2         add r10, rdx                           
  0004d eb 24            jmp .B7.6 
.B7.5::                         
  0004f 89 d1            mov ecx, edx                           
  00051 83 e2 04         and edx, 4                             
  00054 c1 e9 03         shr ecx, 3                             
  00057 f7 da            neg edx                                
  00059 ff c0            inc eax                                
  0005b 48 f7 d9         neg rcx                                
  0005e 83 c2 0c         add edx, 12                            
  00061 49 03 c9         add rcx, r9                            
  00064 4c 03 d0         add r10, rax                           
  00067 f3 0f 6f 01      movdqu xmm0, XMMWORD PTR [rcx]         
  0006b f3 41 0f 7f 01   movdqu XMMWORD PTR [r9], xmm0          
  00070 4c 03 ca         add r9, rdx                            
.B7.6::                         
  00073 4d 3b d0         cmp r10, r8                            
  00076 72 9c            jb .B7.3 
*/

A hundred bytes of beauty!

And the quick showdown versus LZ4 (on my laptop Core 2 Q9550s @2833MHz) to see how jammed is the existing CPU-RAM subsystem:

D:\_KAZE\EBOOKs_for_benching\Nakamichi_Loonette_Intel15
>Nakamichi_Loonette_XMM_PREFETCH_4096.exe
Nakamichi 'Loonette', written by Kaze, based on Nobuo Ito's LZSS source, 
babealicious suggestion by m^2 enforced, muffinesque suggestion by Jim Dempsey enforced.
Usage: Nakamichi filename

D:\_KAZE\EBOOKs_for_benching\Nakamichi_Loonette_Intel15>Nakamichi_Loonette_XMM_PREFETCH_4096.exe 
Agatha_Christie_89-ebooks_TXT.tar
Nakamichi 'Loonette', written by Kaze, based on Nobuo Ito's LZSS source, 
babealicious suggestion by m^2 enforced, muffinesque suggestion by Jim Dempsey enforced.
Compressing 33258496 bytes ...
\; Each rotation means 64KB are encoded; Done 100%
NumberOfFullLiterals (lower-the-better): 4220
NumberOf(Short)Matches[Short]Window  (8): 412312
NumberOf(Short)Matches[Medium]Window (8): 848071
NumberOf(Short)Matches[Big]Window    (8): 353660
NumberOf(Long)Matches[Short]Window   (12): 191049
NumberOf(Long)Matches[Medium]Window  (12): 794178
NumberOf(Long)Matches[Big]Window     (12): 595339
RAM-to-RAM performance: 1839 bytes/s.

D:\_KAZE\EBOOKs_for_benching\Nakamichi_Loonette_Intel15>dir

02/20/2015  06:09 AM        33,258,496 Agatha_Christie_89-ebooks_TXT.tar
02/13/2015  03:46 AM        13,365,137 Agatha_Christie_89-ebooks_TXT.tar.lz4
02/20/2015  05:37 PM        11,745,883 Agatha_Christie_89-ebooks_TXT.tar.Nakamichi
02/20/2015  03:06 AM            86,636 Nakamichi_Loonette.c
02/20/2015  03:07 AM           445,206 Nakamichi_Loonette_XMM_PREFETCH_4096.cod
02/20/2015  12:21 PM           117,248 Nakamichi_Loonette_XMM_PREFETCH_4096.exe

D:\_KAZE\EBOOKs_for_benching\Nakamichi_Loonette_Intel15>
Nakamichi_Loonette_XMM_PREFETCH_4096.exe Agatha_Christie_89-ebooks_TXT.tar.Nakamichi /test
Nakamichi 'Loonette', written by Kaze, based on Nobuo Ito's LZSS source, 
babealicious suggestion by m^2 enforced, muffinesque suggestion by Jim Dempsey enforced.
Decompressing 11745883 bytes ...
RAM-to-RAM performance: 256 MB/s.
Memory pool starting address: 0000000001040080 ... 64 byte aligned, OK
Copying a 512MB block 1024 times i.e. 512GB READ + 512GB WRITTEN ...
memcpy(): (512MB block); 524288MB copied in 192239 clocks or 2.727MB per clock
RAM-to-RAM performance vs memcpy() ratio (bigger-the-better): 9%

D:\_KAZE\EBOOKs_for_benching\Nakamichi_Loonette_Intel15>lz4 -9 -Sx -b -T1  
Agatha_Christie_89-ebooks_TXT.tar
Nb of threads = 1 ; Compression Level = 9
Agatha_Christie :  33258496 ->  13365090 ( 40.19%),   12.7 MB/s ,  909.2 MB/s

Nakamichi 'Loonette' has it own homepage: http://www.sanmayce.com/Hayabusa/.

Points of Interest

Hope someone is as passionate as I am to improve on it, that's the name of the game - 'Reaching for the stars.'

Image 1

The French artist Rachelle Bartel, a.k.a. Lillycat created this soulful piece of art.

Add-on from 2015-Feb-23:

Happy to share even more refined 'Loonette' called 'Loonette-Hoshimi'.

Since Agatha Christie is the queen of English prose, quite naturally her complete works is the best testdataset for English texts compression.

The Guinness Book of World Records lists Christie as the best-selling novelist of all time. Her novels have sold roughly 2 billion copies ... /Wikipedia/

D:\Nakamichi_Loonette_Intel15_Hoshimi>Nakamichi_Loonette_Hoshimi_XMM_PREFETCH_4096.exe Agatha_Christie_89-ebooks_TXT.tar
Nakamichi 'Loonette-Hoshimi', written by Kaze, based on Nobuo Ito's LZSS source, babealicious suggestion by m^2 enforced, muffinesque suggestion by Jim Dempsey enforced.
Compressing 33258496 bytes ...
\; Each rotation means 64KB are encoded; Done 100%
NumberOfFullLiterals (lower-the-better): 171
Legend: MatchLengths: 4=Tiny, 8=Short, 12=Medium, 16=Long; WindowSizes: 2/3/4=Short/Medium/Long
NumberOf(Tiny)Matches[Short]Window (4)[2]: 325551
NumberOf(Short)Matches[Short]Window (8)[2]: 240654
NumberOf(Medium)Matches[Short]Window (12)[2]: 80607
NumberOf(Long)Matches[Short]Window (16)[2]: 52966
NumberOf(Tiny)Matches[Medium]Window (4)[3]: 382909
NumberOf(Short)Matches[Medium]Window (8)[3]: 677654
NumberOf(Medium)Matches[Medium]Window (12)[3]: 440648
NumberOf(Long)Matches[Medium]Window (16)[3]: 239806
NumberOf(Short)Matches[Long]Window (8)[4]: 272624
NumberOf(Medium)Matches[Long]Window (12)[4]: 461732
NumberOf(Long)Matches[Long]Window (16)[4]: 266965
RAM-to-RAM performance: 1249 bytes/s.

D:\Nakamichi_Loonette_Intel15_Hoshimi>Nakamichi_Loonette_Hoshimi_XMM_PREFETCH_4096.exe Agatha_Christie_89-ebooks_TXT.tar.Nakamichi /test
Nakamichi 'Loonette-Hoshimi', written by Kaze, based on Nobuo Ito's LZSS source, babealicious suggestion by m^2 enforced, muffinesque suggestion by Jim Dempsey enforced.
Decompressing 10854012 bytes ...
RAM-to-RAM performance: 320 MB/s.
Memory pool starting address: 0000000000E60080 ... 64 byte aligned, OK
Copying a 512MB block 1024 times i.e. 512GB READ + 512GB WRITTEN ...
memcpy(): (512MB block); 524288MB copied in 194229 clocks or 2.699MB per clock
RAM-to-RAM performance vs memcpy() ratio (bigger-the-better): 11%

D:\Nakamichi_Loonette_Intel15_Hoshimi>7za.exe a -tzip -mx9 Agatha_Christie_89-ebooks_TXT.tar.zip Agatha_Christie_89-ebooks_TXT.tar
D:\Nakamichi_Loonette_Intel15_Hoshimi>tangelo_32bit.exe c Agatha_Christie_89-ebooks_TXT.tar Agatha_Christie_89-ebooks_TXT.tar.tangelo
D:\Nakamichi_Loonette_Intel15_Hoshimi>zpaq64.exe add Agatha_Christie_89-ebooks_TXT.tar.method0 Agatha_Christie_89-ebooks_TXT.tar -method 0
D:\Nakamichi_Loonette_Intel15_Hoshimi>zpaq64.exe add Agatha_Christie_89-ebooks_TXT.tar.method1 Agatha_Christie_89-ebooks_TXT.tar -method 1
D:\Nakamichi_Loonette_Intel15_Hoshimi>zpaq64.exe add Agatha_Christie_89-ebooks_TXT.tar.method2 Agatha_Christie_89-ebooks_TXT.tar -method 2
D:\Nakamichi_Loonette_Intel15_Hoshimi>zpaq64.exe add Agatha_Christie_89-ebooks_TXT.tar.method3 Agatha_Christie_89-ebooks_TXT.tar -method 3
D:\Nakamichi_Loonette_Intel15_Hoshimi>zpaq64.exe add Agatha_Christie_89-ebooks_TXT.tar.method4 Agatha_Christie_89-ebooks_TXT.tar -method 4
D:\Nakamichi_Loonette_Intel15_Hoshimi>zpaq64.exe add Agatha_Christie_89-ebooks_TXT.tar.method5 Agatha_Christie_89-ebooks_TXT.tar -method 5

D:\Nakamichi_Loonette_Intel15_Hoshimi>dir

02/23/2015  03:33 PM        33,258,496 Agatha_Christie_89-ebooks_TXT.tar
02/23/2015  03:52 PM        33,277,230 Agatha_Christie_89-ebooks_TXT.tar.method0.zpaq
02/23/2015  03:52 PM        11,709,902 Agatha_Christie_89-ebooks_TXT.tar.method1.zpaq
02/23/2015  03:52 PM         9,557,649 Agatha_Christie_89-ebooks_TXT.tar.method2.zpaq
02/23/2015  03:53 PM         6,462,103 Agatha_Christie_89-ebooks_TXT.tar.method3.zpaq
02/23/2015  03:54 PM         6,387,670 Agatha_Christie_89-ebooks_TXT.tar.method4.zpaq
02/23/2015  03:56 PM         6,036,509 Agatha_Christie_89-ebooks_TXT.tar.method5.zpaq
02/23/2015  03:03 PM        10,854,012 Agatha_Christie_89-ebooks_TXT.tar.Nakamichi
02/23/2015  03:10 PM         6,475,761 Agatha_Christie_89-ebooks_TXT.tar.tangelo
02/23/2015  03:12 PM        11,173,343 Agatha_Christie_89-ebooks_TXT.tar.zip
02/23/2015  05:51 AM            99,469 Nakamichi_Loonette_Hoshimi.c
02/23/2015  05:51 AM           771,399 Nakamichi_Loonette_Hoshimi_XMM_PREFETCH_4096.cod
02/23/2015  05:51 AM           118,784 Nakamichi_Loonette_Hoshimi_XMM_PREFETCH_4096.exe

D:\Nakamichi_Loonette_Intel15_Hoshimi>

Along with strengthening the compression ratio I was lucky to boost decompression speed and reduce the code by 2bytes:

C++
; Nakamichi 'Loonette-Hoshimi' decompression loop, 74-14+2=98 bytes long:
; mark_description "Intel(R) C++ Intel(R) 64 Compiler XE for applications running on Intel(R) 64, Version 15.0.0.108 Build 20140";
; mark_description "-O3 -QxSSE2 -D_N_XMM -D_N_prefetch_4096 -FAcs";

.B7.3::                         
  00014 41 0f 18 8a 00 
        10 00 00         prefetcht0 BYTE PTR [4096+r10]         
  0001c b8 ff ff ff ff   mov eax, -1                            
  00021 41 8b 12         mov edx, DWORD PTR [r10]               
  00024 89 d1            mov ecx, edx                           
  00026 83 f1 03         xor ecx, 3                             
  00029 c1 e1 03         shl ecx, 3                             
  0002c d3 e8            shr eax, cl                            
  0002e 23 d0            and edx, eax                           
  00030 89 d0            mov eax, edx                           
  00032 83 e0 03         and eax, 3                             
  00035 75 18            jne .B7.5 
.B7.4::                         
  00037 f3 41 0f 6f 42 
        01               movdqu xmm0, XMMWORD PTR [1+r10]       
  0003d c1 ea 04         shr edx, 4                             
  00040 f3 41 0f 7f 01   movdqu XMMWORD PTR [r9], xmm0          
  00045 4c 03 ca         add r9, rdx                            
  00048 ff c2            inc edx                                
  0004a 4c 03 d2         add r10, rdx                           
  0004d eb 22            jmp .B7.6 
.B7.5::                         
  0004f 89 d1            mov ecx, edx                           
  00051 83 e2 0c         and edx, 12                            
  00054 c1 e9 04         shr ecx, 4                             
  00057 ff c0            inc eax                                
  00059 83 c2 04         add edx, 4                             
  0005c 48 f7 d9         neg rcx                                
  0005f 49 03 c9         add rcx, r9                            
  00062 4c 03 d0         add r10, rax                           
  00065 f3 0f 6f 01      movdqu xmm0, XMMWORD PTR [rcx]         
  00069 f3 41 0f 7f 01   movdqu XMMWORD PTR [r9], xmm0          
  0006e 4c 03 ca         add r9, rdx                            
.B7.6::                         
  00071 4d 3b d0         cmp r10, r8                            
  00074 72 9e            jb .B7.3 

XMM transfers are slow on Core 2, they are unaligned and penalties are high especially when RAM is accessed. So on Intel 3rd/4th/5th generations Nakamichi 'Loonette-Hoshimi' will surpass 1GB/s easily. Below is my attempt to  put on the map or rather juxtapose Nakamichi 'Loonette-Hoshimi' with one of the beast in compression.

Notes about superb ZPAQ (written by Dr. Matt Mahoney and released to the public domain) methods:

Method 0 is not just like tar where the files are concatenated together with some headers in between. It is still the zpaq archive format, where the files are fragmented and deduplicated and packed into blocks. The blocks are stored in non context modeled format, which means split into smaller blocks (64K) with 4 byte headers to indicate their size. There are separate blocks storing fragment SHA-1 hashes and file names. So there is more overhead than with tar but sometimes some savings if you have duplicate files or fragments.

Method 1 uses LZ77, compressing by replacing duplicate strings with pointers to previous occurrences.

Method 2 is the same but spends more time looking for better matches (using a suffix array instead of a hash table).

Method 3 uses either BWT (context sorting) or LZ77 for long matches and an order 1 context model and arithmetic coding for literals depending on the file type.

Method 4 either uses LZ77, BWT or a high order context model.

Method 5 uses a complex, high order context mixing model with over 20 bit prediction components.

Also. Dr. Mahoney wrote one very cute tool, called 'fv', drawing a very informative image of the structure of a given file. It allows one to see the hotspots of string repetitions: Legend (how to interpret the image):

The following diagrams show the distribution of string matches of length 1 (black), 2 (red), 4 (green), and 8 (blue). The horizontal axis represents the position in the file. The vertical axis shows the distance backwards to the previous match on a logarithmic scale. The major tick marks reading upwards are 1, 10, 100, 1000, etc.

I will try to interpret 3 different files - the original, the Hoshimi archive and the strongest ZPAQ archive.

First 'fv-Agatha_Christie_89-ebooks_TXT.tar.bmp':

Image 2

The blue band at the top shows that matches of length 8 are most often separated by at least 10^4 bytes (4 major tick marks) up to the entire length of the file.
More precisely, 3x10^4=30,000.
The red band shows that matches of length 2 are separated by about 4x10 to 4x100 bytes.

Second 'fv-Agatha_Christie_89-ebooks_TXT.tar.Nakamichi.bmp':

Image 3

One good compressor should erase all the blues and greens from the picture, in here 'Hoshimi' failed to compress some vague remnants of green (4bytes long matches) in area 1x10^6 and 1x10^7, that is, there are some uncomprressed 4bytes chunks 1MB..10MB apart of each other.
The red band shows that matches of length 2 are separated by about 2x10^3 to 5x10^5 bytes.
Vertical stripes with no color are 'problems', in those parts of the file the compressor was blinded by something and couldn't see any correlations.

Third 'fv-Agatha_Christie_89-ebooks_TXT.tar.method5.zpaq.bmp':

Image 4

The red band shows that matches of length 2 are separated by about 3x10^3 to 3x10^5 bytes.

The (星見 - hoshimi) literal translation is 'Looking Stars', or more poetically 'Stargazing'.

Hanami (花見, lit. "flower viewing") is the Japanese traditional custom of enjoying the transient beauty of flowers, ...

Also in Buddhism Moongazing (月見 - tsukimi) is of great importance, also there is Sungazing (? - ?) branch of Yoga called Surya Yoga.
If a muse comes to me, next variant will be called 'Tsukimi'.

Add-on from 2015-Mar-23:

Didn't like the 'if-else' branching, so 'Loonette-Hoshimi' became branchless, sadly the code size jumped from 98 to 125 bytes. As for the decompression speed, Q9550s disappoints (see further below the 'enwik8' test), however I am careless of the penalties, the etude is just fine.

C++
unsigned int Decompress (char* ret, char* src, unsigned int srcSize) {
	char* retLOCAL = ret;
	char* srcLOCAL = src;
	char* srcEndLOCAL = src+srcSize;
	unsigned int DWORDtrio;
	unsigned int Flag;
	uint64_t FlagMASK; //=       0xFFFFFFFFFFFFFFFF;
	uint64_t FlagMASKnegated; //=0x0000000000000000;

	while (srcLOCAL < srcEndLOCAL) {
		DWORDtrio = *(unsigned int*)srcLOCAL;
//#ifndef _N_GP
//#ifdef _N_prefetch_4096
//		_mm_prefetch((char*)(srcLOCAL + 64*64), _MM_HINT_T0);
//#endif
//#endif
// |1stLSB    |2ndLSB  |3rdLSB   |
// -------------------------------
// |OO|LL|xxxx|xxxxxxxx|xxxxxx|xx|
// -------------------------------
// [1bit          16bit]    24bit]
// L = 00b means 04 MatchLength, (1+LL)<<2)
// L = 01b means 08 MatchLength, (1+LL)<<2)
// L = 10b means 12 MatchLength, (1+LL)<<2)
// L = 11b means 16 MatchLength, (1+LL)<<2)
// OO = 00b means Literal                                                                        
// OO = 01b MatchOffset, 0xFFFFFFFF>>(3-OO), 2 bytes long i.e. Sliding Window is 2*8-LL-OO=(1+OO)*8-4=12 or   4KB    
// OO = 10b MatchOffset, 0xFFFFFFFF>>(3-OO), 3 bytes long i.e. Sliding Window is 3*8-LL-OO=(1+OO)*8-4=20 or   1MB    
// OO = 11b MatchOffset, 0xFFFFFFFF>>(3-OO), 4 bytes long i.e. Sliding Window is 4*8-LL-OO=(1+OO)*8-4=28 or 256MB     

/*
// Branchfull [
		DWORDtrio = DWORDtrio&( 0xFFFFFFFF >> ((3-(DWORDtrio & 0x03))<<3) );
		if ( (DWORDtrio & 0x03) == 0x00 ) {                                                       
				#ifdef _N_GP
		memcpy(retLOCAL, (const char *)( (uint64_t)(srcLOCAL+1) ), 16);
				#endif
				#ifdef _N_XMM
		SlowCopy128bit( (const char *)( (uint64_t)(srcLOCAL+1) ), retLOCAL );
				#endif
		retLOCAL+= (DWORDtrio>>4);
		srcLOCAL+= (DWORDtrio>>4)+1;
		} else {
				#ifdef _N_GP
			memcpy(retLOCAL, (const char *)( (uint64_t)(retLOCAL-(DWORDtrio>>4)) ), 16);
				#endif
				#ifdef _N_XMM
			SlowCopy128bit( (const char *)( (uint64_t)(retLOCAL-(DWORDtrio>>4)) ), retLOCAL );
				#endif
		srcLOCAL+= 1+(DWORDtrio&0x03); // 4|3|2
		retLOCAL+= (1+((DWORDtrio>>2)&0x03))<<2; // 4/8/12/16
		}
// Branchfull ]
*/
// Branchless [
		DWORDtrio = DWORDtrio&( 0xFFFFFFFF >> ((3-(DWORDtrio & 0x03))<<3) );
		Flag=!(DWORDtrio & 0x03);
		// In here Flag=0|1
		FlagMASKnegated= Flag - 1; // -1|0
		FlagMASK= ~FlagMASKnegated;
				#ifdef _N_XMM
//		SlowCopy128bit( (const char *)( ((uint64_t)(srcLOCAL+1)&FlagMASK) + ((uint64_t)(retLOCAL-(DWORDtrio>>4))&FlagMASKnegated) ), retLOCAL);
// Another (incompatible with Branchfull variant, though) way to avoid 'LEA' is to put the '+1' outside the FlagMASK but then the encoder has to count literals from zero in order to compensate '-((DWORDtrio>>4)-1) = -(DWORDtrio>>4)+1' within FlagMASKnegated:
		SlowCopy128bit( (const char *)( 1+ ((uint64_t)(srcLOCAL)&FlagMASK) + ((uint64_t)(retLOCAL-(DWORDtrio>>4)-1)&FlagMASKnegated) ), retLOCAL);
				#endif
				#ifdef _N_GP
//		memcpy(retLOCAL, (const char *)( ((uint64_t)(srcLOCAL+1)&FlagMASK) + ((uint64_t)(retLOCAL-(DWORDtrio>>4))&FlagMASKnegated) ), 16);
// Another (incompatible with Branchfull variant, though) way to avoid 'LEA' is to put the '+1' outside the FlagMASK but then the encoder has to count literals from zero in order to compensate '-((DWORDtrio>>4)-1) = -(DWORDtrio>>4)+1' within FlagMASKnegated:
		memcpy(retLOCAL, (const char *)( 1+ ((uint64_t)(srcLOCAL)&FlagMASK) + ((uint64_t)(retLOCAL-(DWORDtrio>>4)-1)&FlagMASKnegated) ), 16);
				#endif
		retLOCAL+= ((uint64_t)((DWORDtrio>>4))&FlagMASK) +   ((uint64_t)((1+((DWORDtrio>>2)&0x03))<<2)&FlagMASKnegated) ; 
		srcLOCAL+= ((uint64_t)((DWORDtrio>>4)+1)&FlagMASK) + ((uint64_t)(1+(DWORDtrio&0x03))&FlagMASKnegated) ;
// Branchless ]
	}        
	return (unsigned int)(retLOCAL - ret);
}

/*
; 'Nakamichi_Loonette-Hoshimi_branchless' decompression loop, bb-40+2=125 bytes long:
; mark_description "Intel(R) C++ Intel(R) 64 Compiler XE for applications running on Intel(R) 64, Version 15.0.0.108 Build 20140";
; mark_description "-O3 -QxSSE2 -D_N_XMM -D_N_prefetch_4096 -FAcs";

.B7.3::                         
  00040 44 8b 32         mov r14d, DWORD PTR [rdx]              
  00043 44 89 f1         mov ecx, r14d                          
  00046 83 f1 03         xor ecx, 3                             
  00049 41 bf ff ff ff 
        ff               mov r15d, -1                           
  0004f c1 e1 03         shl ecx, 3                             
  00052 33 ff            xor edi, edi                           
  00054 41 d3 ef         shr r15d, cl                           
  00057 45 23 f7         and r14d, r15d                         
  0005a 4c 89 c9         mov rcx, r9                            
  0005d 45 89 f5         mov r13d, r14d                         
  00060 44 89 f5         mov ebp, r14d                          
  00063 41 83 e5 03      and r13d, 3                            
  00067 49 89 d7         mov r15, rdx                           
  0006a 0f 44 f8         cmove edi, eax                         
  0006d 41 83 e6 0c      and r14d, 12                           
  00071 c1 ed 04         shr ebp, 4                             
  00074 ff cf            dec edi                                
  00076 41 ff c5         inc r13d                               
  00079 41 89 ec         mov r12d, ebp                          
  0007c 49 89 fb         mov r11, rdi                           
  0007f 49 2b cc         sub rcx, r12                           
  00082 49 f7 d3         not r11                                
  00085 48 ff c9         dec rcx                                
  00088 4d 23 fb         and r15, r11                           
  0008b 48 23 cf         and rcx, rdi                           
  0008e ff c5            inc ebp                                
  00090 41 83 c6 04      add r14d, 4                            
  00094 4d 23 e3         and r12, r11                           
  00097 49 23 eb         and rbp, r11                           
  0009a 4c 23 ef         and r13, rdi                           
  0009d f3 42 0f 6f 44 
        39 01            movdqu xmm0, XMMWORD PTR [1+rcx+r15]   
  000a4 4c 23 f7         and r14, rdi                           
  000a7 49 03 ed         add rbp, r13                           
  000aa 4d 03 e6         add r12, r14                           
  000ad 48 03 d5         add rdx, rbp                           
  000b0 f3 41 0f 7f 01   movdqu XMMWORD PTR [r9], xmm0          
  000b5 4d 03 cc         add r9, r12                            
  000b8 49 3b d0         cmp rdx, r8                            
  000bb 72 83            jb .B7.3 
*/

The 'enwik8' test done on core 2 Q9550s:

D:\_KAZE\Nakamichi_Loonette_Hoshimi_vs_enwik8>Nakamichi_Loonette-Hoshimi_branchless.exe enwik8.Nakamichi /bench
Nakamichi 'Loonette-Hoshimi', written by Kaze, based on Nobuo Ito's LZSS source, babealicious suggestion by m^2 enforced, muffinesque suggestion by Jim Dempsey enforced.
Decompressing 34968896 bytes ...
RAM-to-RAM performance: 192 MB/s.
Memory pool starting address: 0000000002620080 ... 64 byte aligned, OK
Copying a 512MB block 1024 times i.e. 512GB READ + 512GB WRITTEN ...
memcpy(): (512MB block); 524288MB copied in 193784 clocks or 2.706MB per clock
RAM-to-RAM performance vs memcpy() ratio (bigger-the-better): 7%

D:\_KAZE\Nakamichi_Loonette_Hoshimi_vs_enwik8>\sha1sum.exe enwik8
57b8363b814821dc9d47aa4d41f58733519076b2  enwik8

D:\_KAZE\Nakamichi_Loonette_Hoshimi_vs_enwik8>Nakamichi_Loonette_Hoshimi_XMM_PREFETCH_4096.exe enwik8.Nakamichi /bench
Nakamichi 'Loonette-Hoshimi', written by Kaze, based on Nobuo Ito's LZSS source, babealicious suggestion by m^2 enforced, muffinesque suggestion by Jim Dempsey enforced.
Decompressing 34968896 bytes ...
RAM-to-RAM performance: 256 MB/s.
Memory pool starting address: 0000000002710080 ... 64 byte aligned, OK
Copying a 512MB block 1024 times i.e. 512GB READ + 512GB WRITTEN ...
memcpy(): (512MB block); 524288MB copied in 193453 clocks or 2.710MB per clock
RAM-to-RAM performance vs memcpy() ratio (bigger-the-better): 9%

D:\_KAZE\Nakamichi_Loonette_Hoshimi_vs_enwik8>\sha1sum.exe enwik8
57b8363b814821dc9d47aa4d41f58733519076b2  enwik8

D:\_KAZE\Nakamichi_Loonette_Hoshimi_vs_enwik8>

I don't believe I can refine it further.

History

First Nakamichi was written back a year ago, as of now 2015-Feb-20, 'Loonette' is the latest and most refined.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Sanmayce
Other
Bulgaria Bulgaria
A Bulgarian old boy interested in search techniques, nothing special.

Comments and Discussions

 
QuestionLZ4 vs zstd vs 7-Zip vs BSC vs LzTurbo vs ZPAQ vs Nakamichi 'Oniyanma-Monsterdragonfly-Lexx' Pin
Sanmayce2-Jun-15 18:49
MemberSanmayce2-Jun-15 18:49 
Wanted to see how much slower was 'Lexx' compared to 'Hoshimi', quite, below a good showdown between some strong compressors is given.
I sacrificed Hoshimi's speed in order to better (on paper from 4:1 to 8:1) Lexx' compression ratio.

Main thing, first, the code of the latest&last Nakamichi:

; Nakamichi 'Oniyanma-Monsterdragonfly-Lexx_branchless' decompression loop, dc-3c+6=166 bytes long:
; mark_description "Intel(R) C++ Intel(R) 64 Compiler XE for applications running on Intel(R) 64, Version 15.0.0.108 Build 20140";
; mark_description "-O3 -QxSSE2 -D_N_GP -FAcs";

.B6.3::
  0003c 8b 2a            mov ebp, DWORD PTR [rdx]               
  0003e 89 e9            mov ecx, ebp                           
  00040 83 f1 03         xor ecx, 3                             
  00043 bf ff ff ff ff   mov edi, -1                            
  00048 c1 e1 03         shl ecx, 3                             
  0004b 4d 89 c6         mov r14, r8                            
  0004e d3 ef            shr edi, cl                            
  00050 49 89 d7         mov r15, rdx                           
  00053 23 ef            and ebp, edi                           
  00055 33 ff            xor edi, edi                           
  00057 41 89 eb         mov r11d, ebp                          
  0005a 41 89 ec         mov r12d, ebp                          
  0005d 41 83 e3 0f      and r11d, 15                           
  00061 41 83 fb 0c      cmp r11d, 12                           
  00065 0f 44 f8         cmove edi, eax                         
  00068 41 c1 ec 04      shr r12d, 4                            
  0006c ff cf            dec edi                                
  0006e 45 89 e5         mov r13d, r12d                         
  00071 49 89 fb         mov r11, rdi                           
  00074 4d 2b f5         sub r14, r13                           
  00077 49 f7 d3         not r11                                
  0007a 49 ff ce         dec r14                                
  0007d 4d 23 fb         and r15, r11                           
  00080 4c 23 f7         and r14, rdi                           
  00083 4b 8b 4c 37 01   mov rcx, QWORD PTR [1+r15+r14]         
  00088 49 89 08         mov QWORD PTR [r8], rcx                
  0008b 4b 8b 4c 37 09   mov rcx, QWORD PTR [9+r15+r14]         
  00090 49 89 48 08      mov QWORD PTR [8+r8], rcx              
  00094 4b 8b 4c 37 11   mov rcx, QWORD PTR [17+r15+r14]        
  00099 49 89 48 10      mov QWORD PTR [16+r8], rcx             
  0009d 4f 8b 74 37 19   mov r14, QWORD PTR [25+r15+r14]        
  000a2 4d 89 70 18      mov QWORD PTR [24+r8], r14             
  000a6 41 89 ee         mov r14d, ebp                          
  000a9 83 e5 0c         and ebp, 12                            
  000ac 41 83 e6 03      and r14d, 3                            
  000b0 83 c5 04         add ebp, 4                             
  000b3 41 ff c6         inc r14d                               
  000b6 41 ff c4         inc r12d                               
  000b9 44 89 f1         mov ecx, r14d                          
  000bc 4d 23 eb         and r13, r11                           
  000bf c1 e9 02         shr ecx, 2                             
  000c2 d3 e5            shl ebp, cl                            
  000c4 4d 23 e3         and r12, r11                           
  000c7 4c 23 f7         and r14, rdi                           
  000ca 48 23 ef         and rbp, rdi                           
  000cd 4d 03 e6         add r12, r14                           
  000d0 4c 03 ed         add r13, rbp                           
  000d3 49 03 d4         add rdx, r12                           
  000d6 4d 03 c5         add r8, r13                            
  000d9 49 3b d1         cmp rdx, r9                            
  000dc 0f 82 5a ff ff 
        ff               jb .B6.3

When compiled with -D_N_YMM the code should be (in theory) significantLY faster, but my experiments with Haswell showed that it is not the case, no matter, future CPUs should be optimized YMM to behave as it should.
Also, contrary to my expectations the branchless compile is slower than the branchfull, again, it is just the current situation, I expect future CPUs to take full advantage of this vector-friendly code.
Anyway, the decompression speeds given below are achieved by this very 64bit General Purpose code.

Speaking of compression speed 'Lexx' still holds the title 'Slowest Compressor Under the Sun'. Just an example using one of files used in this benchmark:

D:\_KAZE\Nakamichi_Oniyanma_Monsterdragonfly_Lexx\testlexx>Nakamichi_Oniyanma_Monsterdragonfly_Lexx_GP_32bit.exe open_watcom_1.9.0-src.tar
Nakamichi 'Oniyanma-Monsterdragonfly-Lexx', written by Kaze, based on Nobuo Ito's LZSS source, babealicious suggestion by m^2 enforced, muffinesque suggestion by Jim Dempsey enforced.
Compressing 259707904 bytes ...
-; Each rotation means 64KB are encoded; Done 100%
NumberOfFullLiterals (lower-the-better): 75312
Legend: MatchLengths: 4|8=Tiny, 8|16=Short, 12|24=Medium, 16|32=Long; WindowSizes: 1/2/3/4=Tiny/Short/Medium/Long
NumberOf(Tiny  )Matches,[Tiny  ]Window (4)[1]: 342188
NumberOf(Short )Matches,[Tiny  ]Window (8)[1]: 546155
NumberOf(Medium)Matches,[Tiny  ]Window (12)[1]: 5508719
NumberOf(Tiny  )Matches,[Short ]Window (4)[2]: 1445641
NumberOf(Short )Matches,[Short ]Window (8)[2]: 981296
NumberOf(Medium)Matches,[Short ]Window (12)[2]: 793145
NumberOf(Long  )Matches,[Short ]Window (16)[2]: 4381164
NumberOf(Tiny  )Matches,[Medium]Window (4)[3]: 1240192
NumberOf(Short )Matches,[Medium]Window (8)[3]: 911758
NumberOf(Medium)Matches,[Medium]Window (12)[3]: 420946
NumberOf(Long  )Matches,[Medium]Window (16)[3]: 492830
NumberOf(Tiny  )Matches,[Long  ]Window (8)[4]: 828145
NumberOf(Short )Matches,[Long  ]Window (16)[4]: 279066
NumberOf(Medium)Matches,[Long  ]Window (24)[4]: 323066
NumberOf(Long  )Matches,[Long  ]Window (32)[4]: 1461582
RAM-to-RAM performance: 159 bytes/s.
Compressed to 47370235 bytes.

Grmbl, for 'Watcom' testfile 'Lexx' falls behind, yet, it goes beyond Hoshimi's 4:1 ratio.

The results from MTCS (Mini_Textual_Compression_Showdown) on laptop with Core 2 Q9550s @2.8GHz (memcpy() 2727MB/s):
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------
| Testdatafile \ Decompressor                           | Uncompressed |            Zstd 1 thread |             LZ4 1 thread |  Nakamichi 'Oniyanma' (branchless 64bit) |
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------
| The_Little_Prince_-_Antoine_de_Saint-Exupery.epub.txt |       92,096 |       35,088; 312.5 MB/s |      38,639;  921.2 MB/s |                         44,818; 384 MB/s |
| Fahrenheit_451_-_Ray_Bradbury.txt                     |      260,569 |      104,745; 305.5 MB/s |     114,133;  860.1 MB/s |                        126,069; 384 MB/s |
| calgary.tar                                           |    3,265,536 |    1,174,132; 369.1 MB/s |   1,241,017; 1064.2 MB/s |                      1,332,624; 512 MB/s |
| Webster_Bible.tar                                     |    4,612,608 |    1,616,411; 322.5 MB/s |   1,686,148;  951.4 MB/s |                      1,524,728; 576 MB/s |
| Fyodor_Dostoyevsky_12-books.tar                       |    9,569,792 |    3,820,603; 301.7 MB/s |   4,080,915;  903.7 MB/s |                      3,508,317; 448 MB/s |
| The_Book_of_The_Thousand_Nights_and_a_Night.txt       |   14,613,183 |    5,932,453; 306.5 MB/s |   6,223,940;  921.9 MB/s |                      5,425,740; 384 MB/s |
| Agatha_Christie_89-ebooks_TXT.tar                     |   33,258,496 |   12,615,468; 305.7 MB/s |  13,365,137;  909.2 MB/s |                     10,913,026; 320 MB/s |
| Encyclopedia_of_Language_and_Linguistics.txt          |   59,416,161 |   19,751,262; 359.0 MB/s |  21,118,982; 1038.8 MB/s |                     18,675,464; 320 MB/s |
| enwik8                                                |  100,000,000 |   40,024,854; 326.4 MB/s |  42,283,904;  936.9 MB/s |                     35,425,948; 192 MB/s |
| OSHO.TXT                                              |  206,908,949 |   66,655,604; 339.5 MB/s |  71,399,309;  947.4 MB/s |                     54,357,708; 256 MB/s |
| open_watcom_1.9.0-src.tar                             |  259,707,904 |   39,078,326; 665.9 MB/s |  41,757,845; 1437.5 MB/s |                     47,370,235; 576 MB/s |
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Despite 'Lexx' is run on non-native (that is, 256bit) system it keeps up with the phenomenal Zstd.

[Performers:]

- LZ4 for Windows 32-bits v1.4, by Yann Collet (Sep 17 2013).
- zstd command line interface 64-bits v0.0.1, by Yann Collet (Jan 25 2015).
- 7-Zip (A) 9.20, Copyright (c) 1999-2010 Igor Pavlov, 2010-11-18.
- bsc, Block Sorting Compressor, Version 3.1.0. Copyright (c) 2009-2012 Ilya Grebnov, 8 July 2012.
- lzturbo 1.2 Copyright (c) 2007-2014 Hamid Buzidi, Aug 11 2014.
- zpaq v7.05 journaling archiver, compiled Apr 17 2015.
- Nakamichi 'Oniyanma-Monsterdragonfly-Lexx' (branchless 64bit compile), written by Kaze, based on Nobuo Ito's LZSS source, 2015-Mar-27.

[Options used:]

>LZ4.exe -9 enwik8
>zstd.exe enwik8
>7za a -tgzip -mx9 enwik8.zip enwik8
>bsc e enwik8 enwik8.ST6Block256.bsc -b256 -m6 -cp -Tt
>lzturbo.exe -39 -b256 -p0 enwik8 enwik8.256MB.lzturbo12-39.lzt
>zpaq64.exe add enwik8.method28.zpaq enwik8 -method 28 -threads 1
>zpaq64.exe add enwik8.method58.zpaq enwik8 -method 58 -threads 1
>Nakamichi_Oniyanma_Monsterdragonfly_Lexx_GP_64bit.exe enwik8

[Compression Ratio for the 18 testdatafiles:]
06/02/2015  11:11 PM        33,258,496 Agatha_Christie_89-ebooks_TXT.tar
06/03/2015  02:35 AM         7,955,038 Agatha_Christie_89-ebooks_TXT.tar.256MB.lzturbo12-39.lzt
06/03/2015  02:59 AM        13,365,137 Agatha_Christie_89-ebooks_TXT.tar.lz4
06/03/2015  03:27 AM         9,557,649 Agatha_Christie_89-ebooks_TXT.tar.method28.zpaq
06/03/2015  03:41 AM         6,036,509 Agatha_Christie_89-ebooks_TXT.tar.method58.zpaq
05/27/2015  03:35 AM        10,913,026 Agatha_Christie_89-ebooks_TXT.tar.Nakamichi
06/03/2015  03:25 AM         6,780,062 Agatha_Christie_89-ebooks_TXT.tar.ST6Block256.bsc
06/03/2015  03:01 AM        11,173,195 Agatha_Christie_89-ebooks_TXT.tar.zip
06/03/2015  03:00 AM        12,615,468 Agatha_Christie_89-ebooks_TXT.tar.zst

06/02/2015  11:14 PM         3,265,536 calgary.tar
06/03/2015  02:35 AM           919,768 calgary.tar.256MB.lzturbo12-39.lzt
06/03/2015  02:59 AM         1,241,017 calgary.tar.lz4
06/03/2015  03:27 AM         1,079,779 calgary.tar.method28.zpaq
06/03/2015  03:42 AM           683,836 calgary.tar.method58.zpaq
05/27/2015  03:35 AM         1,332,624 calgary.tar.Nakamichi
06/03/2015  03:25 AM           825,066 calgary.tar.ST6Block256.bsc
06/03/2015  03:01 AM         1,017,229 calgary.tar.zip
06/03/2015  03:00 AM         1,174,132 calgary.tar.zst

06/02/2015  11:17 PM        59,416,161 Encyclopedia_of_Language_and_Linguistics.txt
06/03/2015  02:36 AM        12,886,052 Encyclopedia_of_Language_and_Linguistics.txt.256MB.lzturbo12-39.lzt
06/03/2015  02:59 AM        21,118,982 Encyclopedia_of_Language_and_Linguistics.txt.lz4
06/03/2015  03:28 AM        15,331,800 Encyclopedia_of_Language_and_Linguistics.txt.method28.zpaq
06/03/2015  03:47 AM         9,744,369 Encyclopedia_of_Language_and_Linguistics.txt.method58.zpaq
05/27/2015  03:35 AM        18,675,464 Encyclopedia_of_Language_and_Linguistics.txt.Nakamichi
06/03/2015  03:26 AM        10,976,462 Encyclopedia_of_Language_and_Linguistics.txt.ST6Block256.bsc
06/03/2015  03:02 AM        17,546,530 Encyclopedia_of_Language_and_Linguistics.txt.zip
06/03/2015  03:00 AM        19,751,262 Encyclopedia_of_Language_and_Linguistics.txt.zst

06/02/2015  11:21 PM       100,000,000 enwik8
06/03/2015  02:38 AM        25,330,833 enwik8.256MB.lzturbo12-39.lzt
06/03/2015  02:59 AM        42,283,904 enwik8.lz4
06/03/2015  03:29 AM        30,088,258 enwik8.method28.zpaq
06/03/2015  03:55 AM        19,084,598 enwik8.method58.zpaq
05/27/2015  03:35 AM        35,425,948 enwik8.Nakamichi
06/03/2015  03:26 AM        22,112,692 enwik8.ST6Block256.bsc
06/03/2015  03:05 AM        35,102,891 enwik8.zip
06/03/2015  03:00 AM        40,024,854 enwik8.zst

06/02/2015  11:24 PM           260,569 Fahrenheit_451_-_Ray_Bradbury.txt
06/03/2015  02:38 AM            87,538 Fahrenheit_451_-_Ray_Bradbury.txt.256MB.lzturbo12-39.lzt
06/03/2015  02:59 AM           114,133 Fahrenheit_451_-_Ray_Bradbury.txt.lz4
06/03/2015  03:29 AM           104,230 Fahrenheit_451_-_Ray_Bradbury.txt.method28.zpaq
06/03/2015  03:55 AM            66,508 Fahrenheit_451_-_Ray_Bradbury.txt.method58.zpaq
05/27/2015  03:35 AM           126,069 Fahrenheit_451_-_Ray_Bradbury.txt.Nakamichi
06/03/2015  03:26 AM            71,214 Fahrenheit_451_-_Ray_Bradbury.txt.ST6Block256.bsc
06/03/2015  03:05 AM            92,457 Fahrenheit_451_-_Ray_Bradbury.txt.zip
06/03/2015  03:00 AM           104,745 Fahrenheit_451_-_Ray_Bradbury.txt.zst

06/02/2015  11:27 PM         9,569,792 Fyodor_Dostoyevsky_12-books.tar
06/03/2015  02:38 AM         2,560,124 Fyodor_Dostoyevsky_12-books.tar.256MB.lzturbo12-39.lzt
06/03/2015  02:59 AM         4,080,915 Fyodor_Dostoyevsky_12-books.tar.lz4
06/03/2015  03:29 AM         3,062,047 Fyodor_Dostoyevsky_12-books.tar.method28.zpaq
06/03/2015  03:55 AM         1,882,135 Fyodor_Dostoyevsky_12-books.tar.method58.zpaq
06/01/2015  12:17 AM         3,508,317 Fyodor_Dostoyevsky_12-books.tar.Nakamichi
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06/03/2015  03:05 AM         3,386,527 Fyodor_Dostoyevsky_12-books.tar.zip
06/03/2015  03:00 AM         3,820,603 Fyodor_Dostoyevsky_12-books.tar.zst

06/02/2015  11:31 PM       146,759,168 glibc-2.21.tar
06/03/2015  02:41 AM        13,514,351 glibc-2.21.tar.256MB.lzturbo12-39.lzt
06/03/2015  03:00 AM        32,362,501 glibc-2.21.tar.lz4
06/03/2015  03:30 AM        21,296,789 glibc-2.21.tar.method28.zpaq
06/03/2015  04:05 AM         8,515,050 glibc-2.21.tar.method58.zpaq
05/04/2015  12:21 PM        31,307,973 glibc-2.21.tar.Nakamichi
06/03/2015  03:26 AM        13,126,766 glibc-2.21.tar.ST6Block256.bsc
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06/02/2015  11:34 PM        81,324,663 Google_Books_corpus_All_Nodes_ripped_7,477,257_1gramlist_out_of_3,473,595_English_books.txt
06/03/2015  02:42 AM        16,790,449 Google_Books_corpus_All_Nodes_ripped_7,477,257_1gramlist_out_of_3,473,595_English_books.txt.256MB.lzturbo12-39.lzt
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06/03/2015  03:09 AM        17,175,535 Google_Books_corpus_All_Nodes_ripped_7,477,257_1gramlist_out_of_3,473,595_English_books.txt.zip
06/03/2015  03:00 AM        27,461,200 Google_Books_corpus_All_Nodes_ripped_7,477,257_1gramlist_out_of_3,473,595_English_books.txt.zst

06/02/2015  11:38 PM        55,409,152 Kursk_Hitler_WWII_49-texts.tar
06/03/2015  02:43 AM        14,005,228 Kursk_Hitler_WWII_49-texts.tar.256MB.lzturbo12-39.lzt
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06/03/2015  03:32 AM        16,768,421 Kursk_Hitler_WWII_49-texts.tar.method28.zpaq
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06/03/2015  03:26 AM        11,778,146 Kursk_Hitler_WWII_49-texts.tar.ST6Block256.bsc
06/03/2015  03:11 AM        19,354,978 Kursk_Hitler_WWII_49-texts.tar.zip
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06/02/2015  11:41 PM       132,728,832 New_Shorter_Oxford_English_Dictionary_fifth_edition.tar
06/03/2015  02:47 AM        16,451,660 New_Shorter_Oxford_English_Dictionary_fifth_edition.tar.256MB.lzturbo12-39.lzt
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06/03/2015  03:33 AM        19,741,855 New_Shorter_Oxford_English_Dictionary_fifth_edition.tar.method28.zpaq
06/03/2015  04:29 AM        10,954,157 New_Shorter_Oxford_English_Dictionary_fifth_edition.tar.method58.zpaq
05/27/2015  03:35 AM        27,311,688 New_Shorter_Oxford_English_Dictionary_fifth_edition.tar.Nakamichi
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06/03/2015  03:14 AM        25,418,601 New_Shorter_Oxford_English_Dictionary_fifth_edition.tar.zip
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06/02/2015  11:45 PM       259,707,904 open_watcom_1.9.0-src.tar
06/03/2015  02:52 AM        21,908,095 open_watcom_1.9.0-src.tar.256MB.lzturbo12-39.lzt
06/03/2015  03:00 AM        41,757,845 open_watcom_1.9.0-src.tar.lz4
06/03/2015  03:35 AM        27,987,854 open_watcom_1.9.0-src.tar.method28.zpaq
06/03/2015  04:46 AM        15,630,827 open_watcom_1.9.0-src.tar.method58.zpaq
06/02/2015  05:19 AM        47,370,235 open_watcom_1.9.0-src.tar.Nakamichi
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06/02/2015  11:49 PM       206,908,949 OSHO.TXT
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06/02/2015  11:53 PM        16,013,935 pg3200_The_Entire_Project_Gutenberg_Works_of_Mark_Twain_by_Mark_Twain.txt
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06/02/2015  11:56 PM         4,999,168 Sahih_Bukhari.tar
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06/03/2015  12:09 AM         5,047,949 www.gnu.org_libc.html
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2015-05-17 13:51:26 .....       173285       173568  Kursk_Hitler_WWII_49-texts\OCom13_Heinz_Guderian.pdf.txt
2015-05-16 23:54:39 .....       173627       174080  Kursk_Hitler_WWII_49-texts\OCom15_Walther_Model.pdf.txt
2015-05-16 04:10:55 .....       356457       356864  Kursk_Hitler_WWII_49-texts\OGM_Ferdinand_and_Elefant.pdf.txt
2015-05-16 23:53:39 .....       174991       175104  Kursk_Hitler_WWII_49-texts\OСom02_Erich_von_Manstein.pdf.txt
2015-05-17 21:25:43 .....      1058071      1058304  Kursk_Hitler_WWII_49-texts\PANZER_ACES_-_THE_LEGENDARY_WORLD_WAR_II_BATTLES_OF_SIX_GERMAN_TANK_COMMANDERS.pdf.txt
2015-05-16 23:52:10 .....       708635       709120  Kursk_Hitler_WWII_49-texts\Panzer_Aces_III.pdf.txt
2015-05-17 17:36:56 .....       746003       746496  Kursk_Hitler_WWII_49-texts\Panzer_Legions_A_Guide_to_the_German_Army_Tank_Divisions_of_World_War_II.pdf.txt
2015-05-17 14:05:01 .....      1798825      1799168  Kursk_Hitler_WWII_49-texts\Pinkus,_Oscar_-_The_War_Aims_and_Strategies_of_Adolf_Hitler.pdf.txt
2015-05-17 13:32:26 .....       542531       542720  Kursk_Hitler_WWII_49-texts\Red_Army_Tank_Commander_At_War_in_a_T-34_on_the_Eastern_Front.pdf.txt
2015-05-18 18:27:11 .....       594301       594432  Kursk_Hitler_WWII_49-texts\Sledgehammers_-_Strengths_and_Flaws_of_Tiger_Tank_Battalions_in_World_War_II.pdf.txt
2015-05-18 23:59:09 .....       319258       319488  Kursk_Hitler_WWII_49-texts\The_Bad_War_The_Truth_NEVER_Taught_About_World_War_II.pdf.txt
2015-05-18 18:24:28 .....      4295800      4296192  Kursk_Hitler_WWII_49-texts\The_Concise_Encyclopedia_of_World_War_II.pdf.txt
2015-05-17 14:07:31 .....       830006       830464  Kursk_Hitler_WWII_49-texts\The_Devil's_General_The_Life_of_Hyazinth_Strachwitz_-_The_Panzer_Graf.pdf.txt
2015-05-18 09:48:03 .....      9354532      9354752  Kursk_Hitler_WWII_49-texts\The_Essential_Hitler_-_Speeches_and_Commentary_by_Max_Domarus.pdf.txt
2015-05-18 18:31:25 .....       718342       718848  Kursk_Hitler_WWII_49-texts\The_history_buff's_guide_to_World_War_II.epub.txt
2015-05-18 09:52:19 .....       113061       113152  Kursk_Hitler_WWII_49-texts\The_Panther_V_in_Combat_-_Guderian's_Problem_Child.pdf.txt
2015-05-16 23:42:23 .....       791801       792064  Kursk_Hitler_WWII_49-texts\Tigers_in_the_Mud.pdf.txt
2015-05-16 23:57:20 .....       391895       392192  Kursk_Hitler_WWII_49-texts\Tigers_of_the_Death's_Head_SS_Totenkopf_Division's_Tiger_Company.pdf.txt
2015-05-19 02:01:38 .....       960863       961024  Kursk_Hitler_WWII_49-texts\WORLD_WAR_II_-_An_Encyclopedia_of_Quotations.pdf.txt
2015-05-18 20:32:29 .....      1947534      1947648  Kursk_Hitler_WWII_49-texts\World_War_II_Almanac.pdf.txt
2015-05-19 02:02:33 .....      2455216      2455552  Kursk_Hitler_WWII_49-texts\World_War_II_at_Sea_-_AN_ENCYCLOPEDIA.pdf.txt
2015-05-18 17:23:26 .....      3312208      3312640  Kursk_Hitler_WWII_49-texts\_Encyclopedia_of_World_War_II_.pdf.txt
------------------- ----- ------------ ------------  ------------------------
                              55360690     55373824  49 files, 0 folders

D:\_KAZE\Nakamichi_Oniyanma_Monsterdragonfly_Lexx\Nakamichi_LzTurbo_Zstd_LZ4_BSC_ZIP_ZPAQ>7za.exe l Agatha_Christie_89-ebooks_TXT.tar

7-Zip (A) 9.20  Copyright (c) 1999-2010 Igor Pavlov  2010-11-18

Listing archive: Agatha_Christie_89-ebooks_TXT.tar

--
Path = Agatha_Christie_89-ebooks_TXT.tar
Type = tar
Physical Size = 33258496
Headers Size = 94720

   Date      Time    Attr         Size   Compressed  Name
------------------- ----- ------------ ------------  ------------------------
2014-10-11 01:45:46 .....       391061       391168  Agatha_Christie_89-ebooks_TXT\4. 50 From Paddington (1)\4. 50 From Paddington - Agatha Christie.txt
2014-10-11 01:45:42 .....       308295       308736  Agatha_Christie_89-ebooks_TXT\A Caribbean Mystery (2)\A Caribbean Mystery - Agatha Christie.txt
2014-10-11 01:56:54 .....       427609       428032  Agatha_Christie_89-ebooks_TXT\A Murder Is Announced_ A Miss Marple (3)\A Murder Is Announced_ A Miss M - Agatha Christie.txt
2014-10-11 01:56:37 .....       344754       345088  Agatha_Christie_89-ebooks_TXT\A Pocket Full of Rye_ A Miss Marple  (4)\A Pocket Full of Rye_ A Miss Ma - Agatha Christie.txt
2014-10-11 01:56:10 .....       419217       419328  Agatha_Christie_89-ebooks_TXT\After the Funeral_ A Hercule Poirot  (8)\After the Funeral_ A Hercule Po - Agatha Christie.txt
2014-10-11 01:56:15 .....       332565       332800  Agatha_Christie_89-ebooks_TXT\Agatha Christie's Detectives_ Five C (7)\Agatha Christie's Detectives_ F - Agatha Christie.txt
2014-10-11 01:56:00 .....      1334050      1334272  Agatha_Christie_89-ebooks_TXT\An Autobiography (9)\An Autobiography - Agatha Christie.txt
2014-10-11 01:55:50 .....       315599       315904  Agatha_Christie_89-ebooks_TXT\And Then There Were None (10)\And Then There Were None - Agatha Christie.txt
2014-10-11 01:55:20 .....       322022       322048  Agatha_Christie_89-ebooks_TXT\Appointment with Death (13)\Appointment with Death - Agatha Christie.txt
2014-10-11 01:55:24 .....       368831       369152  Agatha_Christie_89-ebooks_TXT\At Bertram's Hotel (14)\At Bertram's Hotel - Agatha Christie.txt
2014-10-11 01:55:08 .....       318144       318464  Agatha_Christie_89-ebooks_TXT\Big Four (15)\Big Four - Agatha Christie.txt
2014-10-11 01:55:07 .....       251443       251904  Agatha_Christie_89-ebooks_TXT\Black Coffee (16)\Black Coffee - Agatha Christie.txt
2014-10-11 01:54:41 .....       398847       398848  Agatha_Christie_89-ebooks_TXT\By the Pricking of My Thumbs (19)\By the Pricking of My Thumbs - Agatha Christie.txt
2014-10-11 01:54:39 .....       334418       334848  Agatha_Christie_89-ebooks_TXT\Cards on the Table (20)\Cards on the Table - Agatha Christie.txt
2014-10-11 01:54:14 .....       406409       406528  Agatha_Christie_89-ebooks_TXT\Cat Among the Pigeons (23)\Cat Among the Pigeons - Agatha Christie.txt
2014-10-11 01:54:00 .....       418517       418816  Agatha_Christie_89-ebooks_TXT\Collins They Came to Baghdad (24)\Collins They Came to Baghdad - Agatha Christie.txt
2014-10-11 01:53:26 .....       326323       326656  Agatha_Christie_89-ebooks_TXT\Crooked House (28)\Crooked House - Agatha Christie.txt
2014-10-11 01:53:23 .....       326190       326656  Agatha_Christie_89-ebooks_TXT\Curtain (29)\Curtain - Agatha Christie.txt
2014-10-11 01:53:09 .....       354906       355328  Agatha_Christie_89-ebooks_TXT\Death Comes as the End (30)\Death Comes as the End - Agatha Christie.txt
2014-10-11 01:52:48 .....       356335       356352  Agatha_Christie_89-ebooks_TXT\Death in the Clouds (32)\Death in the Clouds - Agatha Christie.txt
2014-10-11 01:52:45 .....       468013       468480  Agatha_Christie_89-ebooks_TXT\Death on the Nile (33)\Death on the Nile - Agatha Christie.txt
2014-10-11 01:52:31 .....       361173       361472  Agatha_Christie_89-ebooks_TXT\Destination Unknown. Agatha Christie (34)\Destination Unknown. Agatha Chr - Agatha Christie.txt
2014-10-11 01:52:05 .....       442761       442880  Agatha_Christie_89-ebooks_TXT\Dumb Witness_ Hercule Poirot Investi (39)\Dumb Witness_ Hercule Poirot In - Agatha Christie.txt
2014-10-11 01:51:49 .....       344293       344576  Agatha_Christie_89-ebooks_TXT\Elephants Can Remember (40)\Elephants Can Remember - Agatha Christie.txt
2014-10-11 01:51:29 .....       345605       346112  Agatha_Christie_89-ebooks_TXT\Endless Night (43)\Endless Night - Agatha Christie.txt
2014-10-11 01:51:17 .....       336334       336384  Agatha_Christie_89-ebooks_TXT\Evil Under the Sun (44)\Evil Under the Sun - Agatha Christie.txt
2014-10-11 01:51:07 .....       350163       350208  Agatha_Christie_89-ebooks_TXT\Five Little Pigs (45)\Five Little Pigs - Agatha Christie.txt
2014-10-11 01:50:32 .....       387958       388096  Agatha_Christie_89-ebooks_TXT\Halloween Party (48)\Halloween Party - Agatha Christie.txt
2014-10-11 01:51:13 .....       474596       474624  Agatha_Christie_89-ebooks_TXT\Hercule Poirot's Casebook (49)\Hercule Poirot's Casebook - Agatha Christie.txt
2014-10-11 01:49:38 .....       358435       358912  Agatha_Christie_89-ebooks_TXT\Hercule Poirot's Christmas (56)\Hercule Poirot's Christmas - Agatha Christie.txt
2014-10-11 01:49:24 .....       483263       483328  Agatha_Christie_89-ebooks_TXT\Hercule Poirot's Early Cases (57)\Hercule Poirot's Early Cases - Agatha Christie.txt
2014-10-11 01:49:20 .....       339370       339456  Agatha_Christie_89-ebooks_TXT\Hickory Dickory Dock (58)\Hickory Dickory Dock - Agatha Christie.txt
2014-10-11 01:49:04 .....       337015       337408  Agatha_Christie_89-ebooks_TXT\Listerdale Mystery (59)\Listerdale Mystery - Agatha Christie.txt
2014-10-11 01:49:15 .....       374577       374784  Agatha_Christie_89-ebooks_TXT\Lord Edgware Dies (60)\Lord Edgware Dies - Agatha Christie.txt
2014-10-11 01:48:59 .....       204075       204288  Agatha_Christie_89-ebooks_TXT\Miss Marple's Final Cases (61)\Miss Marple's Final Cases - Agatha Christie.txt
2014-10-11 01:48:54 .....       533058       533504  Agatha_Christie_89-ebooks_TXT\Miss Marple_ The Complete Short Stor (62)\Miss Marple_ The Complete Short - Agatha Christie.txt
2014-10-11 01:48:28 .....       358128       358400  Agatha_Christie_89-ebooks_TXT\Mrs McGinty's Dead (67)\Mrs McGinty's Dead - Agatha Christie.txt
2014-10-11 01:48:15 .....       385684       386048  Agatha_Christie_89-ebooks_TXT\Murder in Mesopotamia (68)\Murder in Mesopotamia - Agatha Christie.txt
2014-10-11 01:47:58 .....       433248       433664  Agatha_Christie_89-ebooks_TXT\Murder in the Mews (71)\Murder in the Mews - Agatha Christie.txt
2014-10-11 01:47:39 .....       317694       317952  Agatha_Christie_89-ebooks_TXT\Murder Is Easy (72)\Murder Is Easy - Agatha Christie.txt
2014-10-11 01:47:30 .....       351634       351744  Agatha_Christie_89-ebooks_TXT\Murder on the Orient Express (73)\Murder on the Orient Express - Agatha Christie.txt
2014-10-11 01:47:17 .....       332047       332288  Agatha_Christie_89-ebooks_TXT\N or M_ (75)\N or M_ - Agatha Christie.txt
2014-10-11 01:47:07 .....       437064       437248  Agatha_Christie_89-ebooks_TXT\Nemesis_ A Miss Marple Mystery (76)\Nemesis_ A Miss Marple Mystery - Agatha Christie.txt
2014-10-11 01:47:00 .....       316925       316928  Agatha_Christie_89-ebooks_TXT\One, Two, Buckle My Shoe (77)\One, Two, Buckle My Shoe - Agatha Christie.txt
2014-10-11 01:46:34 .....       396721       396800  Agatha_Christie_89-ebooks_TXT\Ordeal by Innocence (82)\Ordeal by Innocence - Agatha Christie.txt
2014-10-11 01:46:30 .....       369102       369152  Agatha_Christie_89-ebooks_TXT\Pale Horse (83)\Pale Horse - Agatha Christie.txt
2014-10-11 01:46:17 .....       294634       294912  Agatha_Christie_89-ebooks_TXT\Parker Pyne Investigates (84)\Parker Pyne Investigates - Agatha Christie.txt
2014-10-11 01:46:12 .....       391379       391680  Agatha_Christie_89-ebooks_TXT\Partners In Crime (85)\Partners In Crime - Agatha Christie.txt
2014-10-11 01:46:10 .....       393679       393728  Agatha_Christie_89-ebooks_TXT\Passenger to Frankfurt (86)\Passenger to Frankfurt - Agatha Christie.txt
2014-10-11 01:46:03 .....       310260       310272  Agatha_Christie_89-ebooks_TXT\Peril at End House (87)\Peril at End House - Agatha Christie.txt
2014-10-11 01:45:51 .....       364455       364544  Agatha_Christie_89-ebooks_TXT\Poirot Investigates (88)\Poirot Investigates - Agatha Christie.txt
2014-10-11 01:56:34 .....       427791       428032  Agatha_Christie_89-ebooks_TXT\Postern of Fate (5)\Postern of Fate - Agatha Christie.txt
2014-10-11 01:56:17 .....       284676       285184  Agatha_Christie_89-ebooks_TXT\Problem at Pollensa Bay (6)\Problem at Pollensa Bay - Agatha Christie.txt
2014-10-11 01:55:44 .....       308894       309248  Agatha_Christie_89-ebooks_TXT\Sad Cypress (11)\Sad Cypress - Agatha Christie.txt
2014-10-11 01:55:38 .....       433547       433664  Agatha_Christie_89-ebooks_TXT\Secret of Chimneys (12)\Secret of Chimneys - Agatha Christie.txt
2014-10-11 01:54:55 .....       334788       334848  Agatha_Christie_89-ebooks_TXT\Sleeping Murder (17)\Sleeping Murder - Agatha Christie.txt
2014-10-11 01:54:56 .....       361950       361984  Agatha_Christie_89-ebooks_TXT\Sparkling Cyanide (18)\Sparkling Cyanide - Agatha Christie.txt
2014-10-11 01:54:26 .....       265698       265728  Agatha_Christie_89-ebooks_TXT\Spider's Web (21)\Spider's Web - Agatha Christie.txt
2014-10-11 01:54:21 .....       370280       370688  Agatha_Christie_89-ebooks_TXT\Taken at the Flood_ Hercule Poirot I (22)\Taken at the Flood_ Hercule Poi - Agatha Christie.txt
2014-10-11 01:53:52 .....       344920       345088  Agatha_Christie_89-ebooks_TXT\The A.B.C. Murders_ A Hercule Poirot (25)\The A.B.C. Murders_ A Hercule P - Agatha Christie.txt
2014-10-11 01:53:33 .....       401123       401408  Agatha_Christie_89-ebooks_TXT\The Adventure of the Christmas Puddi (26)\The Adventure of the Christmas  - Agatha Christie.txt
2014-10-11 01:53:38 .....       278948       279040  Agatha_Christie_89-ebooks_TXT\The Body in the Library_ A Miss Marp (27)\The Body in the Library_ A Miss - Agatha Christie.txt
2014-10-11 01:53:06 .....       439988       440320  Agatha_Christie_89-ebooks_TXT\The Clocks (31)\The Clocks - Agatha Christie.txt
2014-10-11 01:52:15 .....       331696       331776  Agatha_Christie_89-ebooks_TXT\The Harlequin Tea Set and Other Stor (35)\The Harlequin Tea Set and Other - Agatha Christie.txt
2014-10-11 01:52:22 .....       423685       423936  Agatha_Christie_89-ebooks_TXT\The Hollow (36)\The Hollow - Agatha Christie.txt
2014-10-11 01:52:09 .....       370212       370688  Agatha_Christie_89-ebooks_TXT\The Hound of Death (37)\The Hound of Death - Agatha Christie.txt
2014-10-11 01:52:02 .....       487803       487936  Agatha_Christie_89-ebooks_TXT\The Labors of Hercules (38)\The Labors of Hercules - Agatha Christie.txt
2014-10-11 01:51:47 .....       426267       426496  Agatha_Christie_89-ebooks_TXT\The Man in the Brown Suit (41)\The Man in the Brown Suit - Agatha Christie.txt
2014-10-11 01:51:35 .....       394521       394752  Agatha_Christie_89-ebooks_TXT\The Mirror Crack'd From Side to Side (42)\The Mirror Crack'd From Side to - Agatha Christie.txt
2014-10-11 01:50:58 .....       279564       280064  Agatha_Christie_89-ebooks_TXT\The Moving Finger (46)\The Moving Finger - Agatha Christie.txt
2014-10-11 01:50:50 .....       408251       408576  Agatha_Christie_89-ebooks_TXT\The Murder at the Vicarage (47)\The Murder at the Vicarage - Agatha Christie.txt
2014-10-11 01:50:16 .....       393672       393728  Agatha_Christie_89-ebooks_TXT\The Murder of Roger Ackroyd (50)\The Murder of Roger Ackroyd - Agatha Christie.txt
2014-10-11 01:50:13 .....       337750       337920  Agatha_Christie_89-ebooks_TXT\The Murder on the Links (51)\The Murder on the Links - Agatha Christie.txt
2014-10-11 01:50:01 .....       334846       334848  Agatha_Christie_89-ebooks_TXT\The Mysterious Affair at Styles (52)\The Mysterious Affair at Styles - Agatha Christie.txt
2014-10-11 01:49:54 .....       455904       456192  Agatha_Christie_89-ebooks_TXT\The Mysterious Mr. Quin (53)\The Mysterious Mr. Quin - Agatha Christie.txt
2014-10-11 01:49:57 .....       415253       415744  Agatha_Christie_89-ebooks_TXT\The Mystery of the Blue Train_ A Her (54)\The Mystery of the Blue Train_  - Agatha Christie.txt
2014-10-11 01:49:48 .....       270238       270336  Agatha_Christie_89-ebooks_TXT\The Regatta Mystery and Other Storie (55)\The Regatta Mystery and Other S - Agatha Christie.txt
2014-10-11 01:48:58 .....       443468       443904  Agatha_Christie_89-ebooks_TXT\The Secret Adversary (63)\The Secret Adversary - Agatha Christie.txt
2014-10-11 01:48:47 .....       393650       393728  Agatha_Christie_89-ebooks_TXT\The Seven Dials Mystery (64)\The Seven Dials Mystery - Agatha Christie.txt
2014-10-11 01:48:40 .....       379355       379392  Agatha_Christie_89-ebooks_TXT\The Sittaford Mystery (65)\The Sittaford Mystery - Agatha Christie.txt
2014-10-11 01:48:22 .....       365539       365568  Agatha_Christie_89-ebooks_TXT\The Thirteen Problems (66)\The Thirteen Problems - Agatha Christie.txt
2014-10-11 01:48:08 .....       204161       204288  Agatha_Christie_89-ebooks_TXT\The Unexpected Guest (69)\The Unexpected Guest - Agatha Christie.txt
2014-10-11 01:47:56 .....       294574       294912  Agatha_Christie_89-ebooks_TXT\They Do It With Mirrors (70)\They Do It With Mirrors - Agatha Christie.txt
2014-10-11 01:47:24 .....       415625       415744  Agatha_Christie_89-ebooks_TXT\Third Girl (74)\Third Girl - Agatha Christie.txt
2014-10-11 01:46:52 .....       347863       348160  Agatha_Christie_89-ebooks_TXT\Three Act Tragedy_ A Hercule Poirot  (78)\Three Act Tragedy_ A Hercule Po - Agatha Christie.txt
2014-10-11 01:46:41 .....       121005       121344  Agatha_Christie_89-ebooks_TXT\Three Blind Mice (79)\Three Blind Mice - Agatha Christie.txt
2014-10-11 01:46:43 .....       336032       336384  Agatha_Christie_89-ebooks_TXT\Towards Zero (80)\Towards Zero - Agatha Christie.txt
2014-10-11 01:46:37 .....       250586       250880  Agatha_Christie_89-ebooks_TXT\While the Light Lasts (81)\While the Light Lasts - Agatha Christie.txt
2014-10-11 01:45:54 .....       359995       360448  Agatha_Christie_89-ebooks_TXT\Why Didn't They Ask Evans_ (89)\Why Didn't They Ask Evans_ - Agatha Christie.txt
------------------- ----- ------------ ------------  ------------------------
                              33142996     33163776  89 files, 0 folders

D:\_KAZE\Nakamichi_Oniyanma_Monsterdragonfly_Lexx\Nakamichi_LzTurbo_Zstd_LZ4_BSC_ZIP_ZPAQ>

The showdown is downloadable at:
http://www.codeproject.com/Articles/878593/Slowest-LZSS-Compressor-in-C#_comments
https://mega.co.nz/#!whgQSCZA!qNWY1DOTPjLgwnfF-yG09iCh9Rgel-OXQSO4zjZrMXA

It contains:
D:\_KAZE\Nakamichi_Oniyanma_Monsterdragonfly_Lexx\testlexx\Nakamichi_LzTurbo_Zstd_LZ4_BSC_ZIP_ZPAQ>dir

06/03/2015  06:30 AM           587,776 7za.exe
06/03/2015  06:30 AM               205 7z_TARall.bat
06/03/2015  06:30 AM        10,913,026 Agatha_Christie_89-ebooks_TXT.tar.Nakamichi
06/03/2015  06:30 AM         8,287,744 bsc.exe
06/03/2015  06:30 AM         1,332,624 calgary.tar.Nakamichi
06/03/2015  06:30 AM           617,472 cudart64_42_9.dll
06/03/2015  06:30 AM        18,675,464 Encyclopedia_of_Language_and_Linguistics.txt.Nakamichi
06/03/2015  06:30 AM        35,425,948 enwik8.Nakamichi
06/03/2015  06:30 AM           126,069 Fahrenheit_451_-_Ray_Bradbury.txt.Nakamichi
06/03/2015  06:30 AM         3,508,317 Fyodor_Dostoyevsky_12-books.tar.Nakamichi
06/03/2015  06:30 AM        31,307,973 glibc-2.21.tar.Nakamichi
06/03/2015  06:30 AM        28,825,883 Google_Books_corpus_All_Nodes_ripped_7,477,257_1gramlist_out_of_3,473,595_English_books.txt.Nakamichi
06/03/2015  06:30 AM        19,053,540 Kursk_Hitler_WWII_49-texts.tar.Nakamichi
06/03/2015  06:30 AM           118,272 LZ4.exe
06/03/2015  06:30 AM           339,968 lzturbo.exe
06/03/2015  06:30 AM            11,856 makearchives.bat
06/03/2015  06:30 AM             1,027 MakeEXEs_Nakamichi_Oniyanma_Monsterdragonfly_Lexx.bat
06/03/2015  06:30 AM             1,632 MokujIN 224 prompt.lnk
06/03/2015  06:30 AM           185,344 Nakamichi_Lexx_cover.doc
06/03/2015  06:30 AM           197,123 Nakamichi_Lexx_cover.pdf
06/03/2015  06:30 AM           118,059 Nakamichi_Oniyanma_Monsterdragonfly_Lexx.c
06/03/2015  06:30 AM           120,320 Nakamichi_Oniyanma_Monsterdragonfly_Lexx_GP_64bit.exe
06/03/2015  06:30 AM           120,320 Nakamichi_Oniyanma_Monsterdragonfly_Lexx_YMM_64bit.exe
06/03/2015  06:30 AM        27,311,688 New_Shorter_Oxford_English_Dictionary_fifth_edition.tar.Nakamichi
06/03/2015  06:30 AM        47,370,235 open_watcom_1.9.0-src.tar.Nakamichi
06/03/2015  06:30 AM        54,357,708 OSHO.TXT.Nakamichi
06/03/2015  06:30 AM         6,266,162 pg3200_The_Entire_Project_Gutenberg_Works_of_Mark_Twain_by_Mark_Twain.txt.Nakamichi
06/03/2015  06:30 AM         1,374,342 Sahih_Bukhari.tar.Nakamichi
06/03/2015  06:30 AM             3,632 SPEEDTEST.BAT
06/03/2015  06:30 AM         5,425,740 The_Book_of_The_Thousand_Nights_and_a_Night.txt.Nakamichi
06/03/2015  06:30 AM            44,818 The_Little_Prince_-_Antoine_de_Saint-Exupery.epub.txt.Nakamichi
06/03/2015  06:30 AM         1,524,728 Webster_Bible.tar.Nakamichi
06/03/2015  06:30 AM         1,148,342 www.gnu.org_libc.html.Nakamichi
06/03/2015  06:30 AM           657,920 zpaq64.exe
06/03/2015  06:30 AM           155,648 zstd.exe

D:\_KAZE\Nakamichi_Oniyanma_Monsterdragonfly_Lexx\testlexx\Nakamichi_LzTurbo_Zstd_LZ4_BSC_ZIP_ZPAQ>


Hope someone will run SPEEDTEST.BAT on Haswell or/and Atom Silvermont soon and share the dump here.

modified 3-Jun-15 0:00am.

NewsNakamichi 'Oniyanma' vs LZ4 vs Zstd Pin
Sanmayce7-May-15 22:44
MemberSanmayce7-May-15 22:44 
NewsMTCS benchmark - Nakamichi vs LZ4/lzop/7-Zip/bsc/lzturbo/zpaq/CABARC/lrzip/Compress Pin
Sanmayce11-Mar-15 0:31
MemberSanmayce11-Mar-15 0:31 
QuestionMore aggressive scenario to maintain 4:1 ratio Pin
Sanmayce20-Feb-15 18:43
MemberSanmayce20-Feb-15 18:43 

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