— RU.COMPRESS
From : Dmitry Shkarin 2:5020/400 15 May 99 00:43:45
To : All
Subj : Re: Êàê íàñ÷åò òàêîé ìîäåëè äëÿ âûõîäà BWT?
From: "Dmitry Shkarin" <shkarin@arstel.ru>
Hi, All!
> À îí ðàáîòàåò â òîðìîçíîì ðåæèìå? Èëè ýòî ìíå òàêîé ïîïàëñÿ,
äàëüøå -mt3
>íå èäåò.
Ôó, -mt1 êîíå÷íî.
--- ifmail v.2.14dev3
* Origin: COMSTAR Telecommunications (2:5020/400)
— RU.COMPRESS
From : Vadim Yoockin 2:5020/1042.50 15 May 99 10:12:04
To : Dmitry Shkarin
Subj : Re: Êàê íàñ÷åò òàêîé ìîäåëè äëÿ âûõîäà BWT?
Ïpèâåòñòâóþ, Dmitry!
15 May 99, Dmitry Shkarin ïèñàë ê All:
>> Ìíå êàçàëîñü, ÷òî â ñàìîì òîðìîçíîì ðåæèìå rkive äîæèìàåò ñèëüíåå boa
>> (íó î÷åíü òîðìîçíîì ðåæèìå :).
DS> À îí ðàáîòàåò â òîðìîçíîì ðåæèìå? Èëè ýòî ìíå òàêîé ïîïàëñÿ, äàëüøå
DS> -mt1 íå èäåò.
Èíîãäà, äåéñòâèòåëüíî, íå èäåò. Hî ÷àùå âñåãî ïðîñòî çàäóìûâàåòñÿ... ;)
Âñåãî äîáðîãî. Vadim Yoockin
... A Smith and Wesson beats four aces.
--- Ñòàpûé Äåä ñòîèìîñòüþ 3.00.Alpha4 äîïëàòà â ÑÊÂ UNREG
* Origin: yoockinv@mtu-net.ru (2:5020/1042.50)
— RU.COMPRESS
From : Leonid Broukhis 2:5020/400 15 May 99 10:24:12
To : Vadim Yoockin
Subj : Re: Êàê íàñ÷åò òàêîé ìîäåëè äëÿ âûõîäà BWT?
From: leob@asylum.mailcom.com (Leonid Broukhis)
Vadim Yoockin wrote:
>Òîãäà âêðàòöå ðàññêàæó çäåñü, à æåëàþùèì ðàçìåñòèòü ó ñåáÿ
>ìîãó íàìûëèòü ïî e-mail'ó âñþ ñòàòüþ.
>Èòàê, èäåÿ ïðîñòà - äåëèì mtf-êîäû íà êóñî÷êè (ðàññêàçûâàþ ïðî
>âàðèàíò Ôåíâèêà):
>
>0
>1
>2-3
>4-7
>8-15
>16-31
>32-63
>64-127
>128-255
>
>Òàêîå äåëåíèå ïðåäïîëàãàåò ðàñïðåäåëåíèå êîäîâ ïî ç-íó Zipf'a,
>ïîýòîìó çäåñü ìîæíî ýêñïåðèìåíòèðîâàòü (ïî ìíåíèþ Ôåíâèêà ýòî
>äàåò íå áîëåå 0.1%).
>
>Ò.î. èìååì ìîäåëü 8 äèàïàçîíîâ. Ïðè êîäèðîâàíèè î÷åðåäíîãî êîäà
9.
>ñíà÷àëà ïðîïóñêàåì íîìåð äèàïàçîíà, à çàòåì, åñëè íàäî, íîìåð
>êîäà âíóòðè äèàïàçîíà. Îáà ýòè äåéñòâèÿ ìîæíî âûïîëíÿòü ÷åðåç
>Õàôôìàíà èëè àðèôìåòè÷åñêèé êîäåð.
Ïîíÿòíî. Èíòåðåñíî ïîïðîáîâàòü çàìåíèòü ïîñëåäíèå 1-2-3 äèàïàçîíà
íà ýñêåéï. Èíòóèòèâíî ïîíÿòíî, ÷òî áëèæå ê õâîñòó äèàïàçîíà êîäîâ
(0-êîë-âî ðàçëè÷íûõ ñèìâîëîâ â òåêñòå - 1)
ñîáñòâåííî MTF-êîäû âåñüìà ñëó÷àéíûå, à ýñêåéïíóòûå îðèãèíàëüíûå
ñèìâîëû âñå æå ñîõðàíÿþò ïåðâîíà÷àëüíîå ðàñïðåäåëåíèå.
>Hà book1 âàðèàíò Ôåíâèêà äàåò 2.39 b/B, íà âåñü CC - 2.34.
>Àâòîðñêèé BW95 6/2 arith - 2.48 è 2.40 ñîîòâåòñòâåííî.
Àâòîðñêèé - ýòî ÷åé?
> >> LB> Âñå óæå, âûæàëè èç ïåðåêëþ÷åíèé è ýñêåéïîâ âñå ÷òî ìîæíî... :-)
>
> >> Ìîæíî è èç ÷åãî-íèáóäü äðóãîãî áàéòû âûæèìàòü ;)
> >> Âîò è â íîâîì Arhangel'e (1.39a6) ñëîâàðü àíãëèéñêèõ ïîäñòàíîâîê
> >> ïîÿâèëñÿ...
>
> LB> Hî äëÿ ìîåãî challenge ýòî íå ïîìîæåò - ýêçåøíèê óâåëè÷èâàåòñÿ.
>
>Ýòî íåîáÿçàòåëüíî. Âïðî÷åì, âñå ðàâíî, IMHO challenge - óäåë ppm'îâ.
>Âîò ÷åãî ñîâðåìåííûì ppm'àì íå õâàòàåò, òàê ýòî ãðàìîòíîãî ïðåïðîöåññèíãà,
>êîòîðûì òàê ùåãîëÿþò óøëûå LZ-êîìïðåññîðû.
Èì ýòî áóäåò ïîëåçíî â íàñòîëüêî ìåíüøåé ñòåïåíè, íàñêîëüêî áîëüøîé
ó íèõ ïîðÿäîê. Óøëûå LZ-êîìïðåññîðû î÷åíü ñèëüíî îðèåíòèðîâàíû íà x86 êîä
è íà òðåõáàéòîâûå ïèêñåëû, êîòîðûõ â CCC ïðîñòî íåò.
>
> LB> Ñäàåòñÿ ìíå, ñóäÿ ïî ïîñëåäíèì äàííûì, ÷òî BOA â ñîñòîÿíèè ïîáèòü
>
>À ÷òî çà "ïîñëåäíèå äàííûå" - ÷òî-òî åñòü ñâåæåå 0.58?
Ïîñëåäíèå äàííûå - ïîñëåäíèé ACT. Êîãäà BOA âûëåç íà ïåðâóþ ïîçèöèþ
ïî CCC, ÿ íå çíàþ.
> LB> ðåêîðä - òàì ñî âñåìè paper1-paper6 ïîëó÷àåòñÿ ìåíüøå, ÷åì 777777, à
> LB> åñëè 4 èç íèõ âûêèíóòü è íåìíîãî ïîäïèëèòü äëÿ pic è geo, òî ìîæåò
> LB> î÷åíü íåïëîõî ïîëó÷èòüñÿ.
>
>Ìíå êàçàëîñü, ÷òî â ñàìîì òîðìîçíîì ðåæèìå rkive äîæèìàåò ñèëüíåå boa
>(íó î÷åíü òîðìîçíîì ðåæèìå :).
Î÷åíü ìîæåò áûòü. Êñòàòè, òî, ÷òî ìíå ïðèñëàë Malcolm Taylor - äîâîëüíî
ñûðîå. Ñòåïåíü ñæàòèÿ exp.exe ìîæíî áûëî áû óëó÷øèòü, çà÷èñòèâ â ýêçåøíèêå
âñå ëèøíåå. Êèëîáàéò-äðóãîé ìîæíî áûëî áû âûèãðàòü. Ìîæåò êàêîé ýíòóçèàñò
è çíàòîê ñòðóêòóðû Windows EXE íàéäåòñÿ?
Leo
--- ifmail v.2.14dev3
* Origin: leob@at-mailcom.dot-com (2:5020/400)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/29.61 15 May 99 10:29:33
To : Vadim Yoockin
Subj : Êàê íàñ÷åò òàêîé ìîäåëè äëÿ âûõîäà BWT?
*** Answering a msg posted in area BAD_MAIL (BAD_MAIL).
* Crossposted in RU.COMPRESS
Hello Vadim!
Friday May 14 1999, Vadim Yoockin writes to Bulat Ziganshin:
VY>>> Ìîæíî è èç ÷åãî-íèáóäü äðóãîãî áàéòû âûæèìàòü ;)
VY>>> Âîò è â íîâîì Arhangel'e (1.39a6) ñëîâàðü àíãëèéñêèõ ïîäñòàíîâîê
VY>>> ïîÿâèëñÿ...
BZ>> Hà ýòîì ìîæíî âûèãðàòü â ñæàòèè?
VY> À òî. 5% íà book1. Æàëü, ÷òî language dependent - íà ìîåì òåñòå
VY> íå îòðàçèòñÿ ;)
À dict+arhangel íå òÿíóò? :(
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ: work 11849833, home 15872722
--- GoldED/386 2.50+
* Origin: Çóáíûå êëåòêè íå âîññòàíàâëèâàþòñÿ (2:5093/29.61)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/29.61 15 May 99 10:38:27
To : All
Subj : Àëãîðèòì ñìåíû öåïî÷åê ðåàáèëèòèðîâàí :)
* Crossposted in RU.COMPRESS
=============================================================================
* Forwarded by Bulat Ziganshin (2:5093/29.61)
* Area : BAD_MAIL (BAD_MAIL)
* From : Eugene Roshal, 2:5010/45.7 (Saturday May 15 1999 03:13)
* To : Bulat Ziganshin
* Subj : Àðõèâ ñ ïàðîëåì
=============================================================================
FROM: 2:5093/28
REASON: Sender not active for this area
Hello,
Òû áûë ïðàâ, ÿ òâîé àëãîðèòì ñìåíû öåïî÷åê â ïðîøëûé ðàç ïðîñòî êðèâî
ïðèêðóòèë :-) Ñåé÷àñ ïîïðîáîâàë åùå ðàç - ïðîöåíòîâ 20 ñêîðîñòè íà -m5
âûèãðàòü ìîæíî. Åñëè íå âîçðàæàåøü, ÿ åãî ê ñëåäóþùåé âåðñèè ïðèäåëàþ.
Ïîèñê ñ áàëàíñèðîâàííûìè äåðåâüÿìè ìíå ïîêà íå ïîíðàâèëñÿ - òîðìîçèò.
Âïðî÷åì, ÿ îïòèìèçàöèåé ïðàêòè÷åñêè íå çàíèìàëñÿ, òàê ÷òî ýòî
íå îêîí÷àòåëüíûé äèàãíîç. Hî ïîõîæå â ëþáîì ñëó÷àå íûíåøíèé -m3 âñåãäà
áóäåò áûñòðåå äåðåâà, à äåðæàòü äâà ðàçíûõ àëãîðèòìà äëÿ -m3 è -m5
íåýñòåòè÷íî :-)
Eugene
-+-
+ Origin: under construction (2:5010/45.7)
=============================================================================
Hello All!
×òî êàñàåòñÿ lzx-ïîèñêà, òî åãî ñêîðîñòü ïðîùå îöåíèâàòü ïî bix/cabarc. À òî,
÷òî òû áîèøüñÿ ñäåëàòü íåñêîëüêî àëãîðèòìîâ deflate() - èìõî, ãëóïî. Ó ìåíÿ èõ
4 :) Îáû÷íûé è fast (áåç lazy), äëÿ arj-ñîâìåñòèìîãî âûâîäà è â íîâîì ôîðìàòå.
Òåáå òîæå íå ïîìåøàë áû fast àëãîðèòì - rar -m1 ñòàë áû áûñòðåå.
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ: work 11849833, home 15872722
--- GoldED/386 2.50+
* Origin: Çóáíûå êëåòêè íå âîññòàíàâëèâàþòñÿ (2:5093/29.61)
— RU.COMPRESS
From : Dmitry Pyankov 2:5020/400 15 May 99 12:40:48
To : All
Subj : EXE ïàêåðû : APACKv0.98,APLIBv0.20 è UPXv0.70,v0.72
From: "Dmitry Pyankov" <dp@fmf.gasu.gorny.ru>
Hello, All!
Ðåøèë çàäàòü íåñêîëüêî âîïðîñîâ...
 Aplib v0.20 äàíû èñõîäíèêè. Âåëèêî ëè îòëè÷èå ìåòîäîâ Aplib îò Apack
v0.98?
×åì UPX âûèãðûâàåò ó APACK ?
Ïî÷åìó â APACK íå èñïîëüçóåòñÿ Õàôôìàí? Âåäü åãî èñïîëüçîâàíèå ïîâûñèëî áû
ñòåïåíü óïàêîâêè...
Âîïðîñû, êîíå÷íî, "äåòñêèå" äëÿ òàêîé ýõè, íî âñå æå...
Ñ óâàæåíèåì, Äèìà.
--- ifmail v.2.14dev3
* Origin: Unknown (2:5020/400)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/29.61 15 May 99 14:12:30
To : Dmitry Pyankov
Subj : EXE ïàêåðû : APACKv0.98,APLIBv0.20 è UPXv0.70,v0.72
*** Answering a msg posted in area BAD_MAIL (BAD_MAIL).
* Crossposted in RU.COMPRESS
Hello Dmitry!
Saturday May 15 1999, Dmitry Pyankov writes to All:
DP> Ðåøèë çàäàòü íåñêîëüêî âîïðîñîâ...
DP>  Aplib v0.20 äàíû èñõîäíèêè. Âåëèêî ëè îòëè÷èå ìåòîäîâ Aplib îò Apack
DP> v0.98?
Ïî èäåå âåùåé, äîëæíî áûòü òî æå ñàìîå.
DP> ×åì UPX âûèãðûâàåò ó APACK ?
Hîðìàëüíî ðåàëèçîâàííûì lz, íàñêîëüêî ÿ ïîìíþ.
DP> Ïî÷åìó â APACK íå èñïîëüçóåòñÿ Õàôôìàí? Âåäü åãî èñïîëüçîâàíèå
DP> ïîâûñèëî áû ñòåïåíü óïàêîâêè...
Håò. Ïðîèãðûø íà ðàçìåðå ðàñïàêîâùèêà, íà çàïèñè ýòèõ òàáëèö â ôàéë. Âûèãðûø,
â ïðåäåëå, 1-2%%. Êàê ðåçóëüòàò - ýòî óìåíüøèò ðàçìåðû òîëüêî î÷åíü áîëüøèõ ex
e-øíèêîâ, â ñîòíè êèë. Âîò, íàñêîëüêî ÿ ïîìíþ, òàê ìíå ýòî îáúÿñíÿëè.
DP> Âîïðîñû, êîíå÷íî, "äåòñêèå" äëÿ òàêîé ýõè, íî âñå æå...
Håò. Ñïåöîâ ïî exepacker'àì î÷åíü, î÷åíü ìàëî. Åñëè íå çàáóäó, ÷åðåç ïàðó äíå
é îäèí èç íèõ òåáå îòâåòèò áîëåå ïîäðîáíî. Ñåãîäíÿ îí óæå óøåë :(
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ: work 11849833, home 15872722
--- GoldED/386 2.50+
* Origin: Çóáíûå êëåòêè íå âîññòàíàâëèâàþòñÿ (2:5093/29.61)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/29.61 15 May 99 20:41:12
To : Leonid Broukhis
Subj : Êàê íàñ÷åò òàêîé ìîäåëè äëÿ âûõîäà BWT?
* Crossposted in RU.COMPRESS
Hello Leonid!
Saturday May 15 1999, Leonid Broukhis writes to Vadim Yoockin:
LB> Î÷åíü ìîæåò áûòü. Êñòàòè, òî, ÷òî ìíå ïðèñëàë Malcolm Taylor -
LB> äîâîëüíî ñûðîå. Ñòåïåíü ñæàòèÿ exp.exe ìîæíî áûëî áû óëó÷øèòü,
LB> çà÷èñòèâ â ýêçåøíèêå âñå ëèøíåå. Êèëîáàéò-äðóãîé ìîæíî áûëî áû
LB> âûèãðàòü. Ìîæåò êàêîé ýíòóçèàñò è çíàòîê ñòðóêòóðû Windows EXE
LB> íàéäåòñÿ?
exp.exe îòíîøåíèÿ êî ìíå íå èìååò?
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ: work 11849833, home 15872722
--- GoldED/386 2.50+
* Origin: Çóáíûå êëåòêè íå âîññòàíàâëèâàþòñÿ (2:5093/29.61)
— RU.COMPRESS
From : Vadim Yoockin 2:5020/1042.50 15 May 99 22:52:10
To : Leonid Broukhis
Subj : Re: Êàê íàñ÷åò òàêîé ìîäåëè äëÿ âûõîäà BWT?
Ïpèâåòñòâóþ, Leonid!
15 May 99, Leonid Broukhis ïèñàë ê Vadim Yoockin:
>> Ò.î. èìååì ìîäåëü 8 äèàïàçîíîâ. Ïðè êîäèðîâàíèè î÷åðåäíîãî êîäà
LB> 9.
ß ïî ïðèâû÷êå ïðîïóñòèë mtf 0 ;) Òàê êàê âñåãäà âìåñòî íåãî èñïîëüçîâàë
rle.
>> ñíà÷àëà ïðîïóñêàåì íîìåð äèàïàçîíà, à çàòåì, åñëè íàäî, íîìåð
>> êîäà âíóòðè äèàïàçîíà. Îáà ýòè äåéñòâèÿ ìîæíî âûïîëíÿòü ÷åðåç
>> Õàôôìàíà èëè àðèôìåòè÷åñêèé êîäåð.
LB> Ïîíÿòíî. Èíòåðåñíî ïîïðîáîâàòü çàìåíèòü ïîñëåäíèå 1-2-3 äèàïàçîíà
LB> íà ýñêåéï. Èíòóèòèâíî ïîíÿòíî, ÷òî áëèæå ê õâîñòó äèàïàçîíà êîäîâ
LB> (0-êîë-âî ðàçëè÷íûõ ñèìâîëîâ â òåêñòå - 1)
LB> ñîáñòâåííî MTF-êîäû âåñüìà ñëó÷àéíûå, à ýñêåéïíóòûå îðèãèíàëüíûå
LB> ñèìâîëû âñå æå ñîõðàíÿþò ïåðâîíà÷àëüíîå ðàñïðåäåëåíèå.
Ê ñîæàëåíèþ, ýòîò êîä íàì ïîòîì íå ñêîðî âñòðåòèòñÿ, ïîñêîëüêó
áûñòðî ïðîëåçåò ê ìëàäøèì mtf-êîäàì. Õîòÿ, ïîïðîáîâàòü ìîæíî.
 Øåííîíîâñêîé ìîäåëè Ôåíâèê óñïåøíî ïðèìåíèë ýòî, íî òàì
ýñêåéïû ïîëåçíåå.
>> Hà book1 âàðèàíò Ôåíâèêà äàåò 2.39 b/B, íà âåñü CC - 2.34.
>> Àâòîðñêèé BW95 6/2 arith - 2.48 è 2.40 ñîîòâåòñòâåííî.
LB> Àâòîðñêèé - ýòî ÷åé?
Êàêîé-òî èç bred'îâ Óèëåðà.
>> Ýòî íåîáÿçàòåëüíî. Âïðî÷åì, âñå ðàâíî, IMHO challenge - óäåë ppm'îâ.
>> Âîò ÷åãî ñîâðåìåííûì ppm'àì íå õâàòàåò, òàê ýòî ãðàìîòíîãî ïðåïðîöåññèíãà,
>> êîòîðûì òàê ùåãîëÿþò óøëûå LZ-êîìïðåññîðû.
LB> Èì ýòî áóäåò ïîëåçíî â íàñòîëüêî ìåíüøåé ñòåïåíè, íàñêîëüêî áîëüøîé
LB> ó íèõ ïîðÿäîê. Óøëûå LZ-êîìïðåññîðû î÷åíü ñèëüíî îðèåíòèðîâàíû íà x86 êîä
LB> è íà òðåõáàéòîâûå ïèêñåëû, êîòîðûõ â CCC ïðîñòî íåò.
Hå òîëüêî. Òå æå cabarc è imp óìåþò ðàñïîçíàâàòü òàáëè÷íûå ñòðóêòóðû,
êîòîðûå âåçäå ìîãóò âñòðåòèòüñÿ.
>> Ìíå êàçàëîñü, ÷òî â ñàìîì òîðìîçíîì ðåæèìå rkive äîæèìàåò ñèëüíåå boa
>> (íó î÷åíü òîðìîçíîì ðåæèìå :).
LB> Î÷åíü ìîæåò áûòü. Êñòàòè, òî, ÷òî ìíå ïðèñëàë Malcolm Taylor - äîâîëüíî
LB> ñûðîå. Ñòåïåíü ñæàòèÿ exp.exe ìîæíî áûëî áû óëó÷øèòü, çà÷èñòèâ â ýêçåøíèêå
LB> âñå ëèøíåå. Êèëîáàéò-äðóãîé ìîæíî áûëî áû âûèãðàòü. Ìîæåò êàêîé ýíòóçèàñò
LB> è çíàòîê ñòðóêòóðû Windows EXE íàéäåòñÿ?
À òàêæå ýíòóçèàñò è çíàòîê ppm'îâ ;) Håò, ïðàâäà, ñóäÿ ïî èìåþùèìñÿ
ðàçðàáîòêàì, âîçíèêàåò âïå÷àòëåíèå, ÷òî ìíîãèå àâòîðû ppm'îâ
ïðåáûâàþò â íåâåäåíèè îòíîñèòåëüíî íåêîòîðûõ íîâûõ ïðèåìîâ
ïî óñèëåíèþ ñæàòèÿ... Ïîòîìó-òî îíè îòñòàþò â ñæàòèè áèíàðíèêîâ
â ACT'e. À âåäü ìîæíî äîñòè÷ü íåïëîõèõ ðåçóëüòàòîâ. Ïî êðàéíåé
ìåðå, êàê ÿ óïîìèíàë ðàíåå, äàæå bwt ìîæíî ïîäòÿíóòü â ñæàòèè
êðóïíûõ exe-øíèêîâ (êàê wcc386.exe èç ìîåãî òåñòà) äî óðîâíÿ cabarc'a.
Åñëè ó ìåíÿ âäðóã, îõ, ïîÿâèòñÿ âðåìÿ, ÿ ïîñòàðàþñü îêîí÷àòåëüíî
âñòðîèòü ýòî äåëî â ybs.
Âñåãî äîáðîãî. Vadim Yoockin
... A Smith and Wesson beats four aces.
--- Ñòàpûé Äåä ñòîèìîñòüþ 3.00.Alpha4 äîïëàòà â ÑÊÂ UNREG
* Origin: yoockinv@mtu-net.ru (2:5020/1042.50)
— RU.COMPRESS
From : Oleg Ivanov 2:5078/24.18 15 May 99 23:22:05
To : All
Subj : Hóæíà...
Ìîé ãëóáîêèé ïðèâåò Âàì, All !
...äîêà â ýëåòpîííîì âèäå ïî ýõîòàãó... Ñpî÷íî.
Èíåò, åìûëî, íåòìûëî.
Ñïàñèáî.
Hå ñêó÷àéòå! ß åùå íå ïðîùàþñü...
--- ==============Ðåçàòü çäåñü============== /*(E-mail: liar@cmpmail.com)*/
* Origin: Hàøëè äóðàêà! ß çà Âàñ ñâîþ ðàáîòó äåëàòü íå áóäó! (2:5078/24.18)
— RU.COMPRESS
From : Vadim Yoockin 2:5020/1042.50 15 May 99 23:30:27
To : Bulat Ziganshin
Subj : Êàê íàñ÷åò òàêîé ìîäåëè äëÿ âûõîäà BWT?
Ïpèâåòñòâóþ, Bulat!
15 May 99, Bulat Ziganshin ïèñàë ê Vadim Yoockin:
VY>> À òî. 5% íà book1. Æàëü, ÷òî language dependent - íà ìîåì òåñòå
VY>> íå îòðàçèòñÿ ;)
BZ> À dict+arhangel íå òÿíóò? :(
Àãà, ÿ òîæå ïåðâûì äåëîì ýòî ïîïðîáîâàë ;)
Âñåãî äîáðîãî. Vadim Yoockin
... A Smith and Wesson beats four aces.
--- Ñòàpûé Äåä ñòîèìîñòüþ 3.00.Alpha4 äîïëàòà â ÑÊÂ UNREG
* Origin: yoockinv@mtu-net.ru (2:5020/1042.50)
— RU.COMPRESS
From : Kirill Frolov 2:5030/643.9 16 May 99 04:29:02
To : All
Subj : This file was created by ZDBZip32.
Håìåäëåííî íàæìè íà RESET, All !
ÑÀÁÆ åñòü ó ìåíÿ. À ÷åì åãî pàñïàêîâàòü íåèçâåñòíî.
Hà ôàéëå ïpÿìî òàê è íàïèñàíî -- ñàáæ.
Êàêàÿ ïpîãpàììà ìîæåò ìíå ïîìî÷ü ? À ìîæåò ýòî íå àpõèâ...
Hî íè÷åì íå ñæèìàåòñÿ. :-/ Äà è pàñøèpåíèå .ZIP.
Kirill Frolov. [ZX]
--- Ñîâåòñêèå ìèêpîêàëüêóëÿòîpû -- ñàìûå áîëüøèå ìèêpîêàëüêóëÿòîpû â ìèpå !
* Origin: runtime error at (2:5030/643.9)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/29.61 16 May 99 14:54:03
To : Oleg Ivanov
Subj : Hóæíà...
*** Answering a msg posted in area BAD_MAIL (BAD_MAIL).
* Crossposted in RU.COMPRESS
Hello Oleg!
Saturday May 15 1999, Oleg Ivanov writes to All:
OI> ...äîêà â ýëåòpîííîì âèäå ïî ýõîòàãó... Ñpî÷íî.
OI> Èíåò, åìûëî, íåòìûëî.
=== Cut ===
This file is part 1 of a set of Frequently Asked Questions (FAQ) for
the groups comp.compression and comp.compression.research. If you
can't find part 2 or 3, see item 53 below. A copy of this FAQ is available
by ftp in ftp://rtfm.mit.edu/pub/usenet/news.answers/compression-faq/
files part1 to part3. This FAQ is also accessible in the World Wide Web at
http://www.faqs.org/faqs/compression-faq/part1/preamble.html or
http://www.cis.ohio-state.edu/hypertext/faq/usenet/compression-faq/top.html
=== Cut ===
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
--- GoldED/386 2.50+
* Origin: Çóáíûå êëåòêè íå âîññòàíàâëèâàþòñÿ (2:5093/29.61)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/29.61 16 May 99 18:41:27
To : Kirill Frolov
Subj : This file was created by ZDBZip32.
*** Answering a msg posted in area BAD_MAIL (BAD_MAIL).
* Crossposted in RU.COMPRESS
Hello Kirill!
Sunday May 16 1999, Kirill Frolov writes to All:
KF> Êàêàÿ ïpîãpàììà ìîæåò ìíå ïîìî÷ü ? À ìîæåò ýòî íå àpõèâ...
KF> Hî íè÷åì íå ñæèìàåòñÿ. :-/ Äà è pàñøèpåíèå .ZIP.
Ìîæåò, gzip? Hà êðàéíÿê ìîæíî äàìï 20 áàéò â íà÷àëå è êîíöå ïðèâåñòè :)
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
--- GoldED/386 2.50+
* Origin: Çóáíûå êëåòêè íå âîññòàíàâëèâàþòñÿ (2:5093/29.61)
— RU.COMPRESS
From : Michael Semikov 2:5059/16.9 16 May 99 20:57:08
To : All
Subj : st
Äîáðîãî äíÿ&íî÷è òåáå All!
Âîò õî÷ó ñïðîñèòü ïðî ðàñïàêîâêó â szip-å. Åñëè âûõîä st ñ êîíòåêñòîì ïîðÿäêà
n ñîâïàäàåò ñ âûõîäîì bwt äëÿ òîãî æå ñàìîãî òåêñòà, òî èñïîëüçóåò ëè szip
bwt-ðàñïàêîâêó? Ïðîñòî ìíå èçâåñòíî, ÷òî unST ìåäëåííåå unBWT è òàêîé ïîäõîä,
IMHO, áûëî-áû ðàçóìåí.
Ñ íàèëó÷øèìè ïoæåëàíèÿìè, Michael.
---
* Origin: Ñíåãèðè! Hå Ãèðè! (2:5059/16.9)
— RU.COMPRESS
From : Dmitry Bortoq 2:5093/29.61 16 May 99 21:26:17
To : Dmitry Pyankov
Subj : EXE ïàêåðû : APACKv0.98,APLIBv0.20 è UPXv0.70,v0.72
* Crossposted in RU.COMPRESS
Hello Dmitry!
Saturday May 15 1999, Dmitry Pyankov writes to All:
DP>  Aplib v0.20 äàíû èñõîäíèêè. Âåëèêî ëè îòëè÷èå ìåòîäîâ Aplib îò Apack
DP> v0.98?
[no comments]
DP> ×åì UPX âûèãðûâàåò ó APACK ?
êîëè÷åñòâîì ïîääåðæèâàåìûõ òèïîâ ïðîãðàìì. â ïîñëåäíåå âðåìÿ, ïîñëå èçìåíåíèé â
àëãîðèòìå ñæàòèÿ ðåëîêàöèé (ñîäðàííîì ó apack-à) - äîãîíÿåò, à èíîãäà è
îáãîíÿåò íà ñæàòèè dos exe ñàì apack (â îñíîâíîì íà ïàñêàëåâñêèõ exe). âîîáùå
åñëè íå îñòàíàâëèâàòüñÿ íà äîñòèãíóòîì è óâîðîâàòü ó apack-à åùå è àëãîðèòì
îáðàáîòêè e8 (relative call), òî upx ìîæåò îáîãíàòü apack, âïîëíå ñóùåñòâåííî,
ïîòîìó ÷òî, íàñêîëüêî ÿ çíàþ, ñàì àëãîðèòì ïîèñêà ñòðîê ó apack ñóùåñòâåííî
ñëàáåå.
DP> Ïî÷åìó â APACK íå èñïîëüçóåòñÿ Õàôôìàí? Âåäü åãî èñïîëüçîâàíèå
DP> ïîâûñèëî áû ñòåïåíü óïàêîâêè...
à òàêæå è ðàçìåð sfx, è çàìåäëèëî áû ðàñïàêîâêó (õîòÿ ýòî ì íåñóùåñòâåííî íà
íûíåøíèõ ïðîöàõ).
* âîîáùå-òî ïðîöåäóðà êîðîòêîãî äåêîäèðîâàíèÿ êîäîâ õàôôìàíà èìååòñÿ. ïðàâäà ñ
îãîâîðêàìè: âî-ïåðâûõ êîäû ñòðîÿòñÿ ñïåöèàëüíûì îáðàçîì, âî-âòîðûõ ñàìà
ïðîöåäóðà òðóäíà äëÿ ïîíèìàíèÿ ;)
DP> Âîïðîñû, êîíå÷íî, "äåòñêèå" äëÿ òàêîé ýõè, íî âñå æå...
ïî÷åìó æå äåòñêèå? äóìàþ ÷òî íà ýòè âîïðîñû â äàííîé ýõå ïîëíîöåííî îòâåòèòü
ìîãóò íåìíîãèå :)
DP> Ñ óâàæåíèåì, Äèìà.
ditto :)
--- GoldED/386 2.50+
* Origin: Çóáíûå êëåòêè íå âîññòàíàâëèâàþòñÿ (2:5093/29.61)
— RU.COMPRESS
From : Vadim Yoockin 2:5020/1042.50 16 May 99 22:14:50
To : All
Subj : Compression Test. Update.
Ïpèâåòñòâóþ, All!
Äîïîëíåíèå ê ïðåäûäóùåìó òåñòó. Hîâèíêà - âåñüìà èíòåðåñíàÿ
ðåàëèçàöèÿ PPMD Äìèòðèÿ Øêàðèíà. Îáðàòèòå âíèìàíèå íà ñêîðîñòü.
×óòü ïîçæå äîáàâëþ arhangel 1.39a6 è xtreme 1.06.
wat_c.c
ppmd (Shkarin) 312,855 10:40 12:00
ppmd (Shkarin) o5 291,890 11:72 13:65
ppmd (Shkarin) o6 281,840 13:80 15:41
stand.txt
ppmd (Shkarin) 477,927 11:88 13:37
ppmd (Shkarin) o5 467,280 15:67 16:95
ppmd (Shkarin) o6 469,709 22:66 22:12
wcc386.exe
ppmd (Shkarin) 301,605 15:78 21:57
ppmd (Shkarin) o5 301,544 17:76 23:49
ppmd (Shkarin) o6 302,565 33:31 36:16
ca.fdb
ppmd (Shkarin) 278,150 16:88 20:58
ppmd (Shkarin) o5 275,001 19:03 23:77
ppmd (Shkarin) o6 273,023 39:20 41:61
fileware.doc
ppmd (Shkarin) 129,146 6:93 8:21
ppmd (Shkarin) o5 128,100 7:04 9:41
ppmd (Shkarin) o6 127,936 8:52 10:51
os2.ini
ppmd (Shkarin) 126,050 6:21 8:48
ppmd (Shkarin) o5 122,366 6:87 9:14
ppmd (Shkarin) o6 119,583 7:97 10:08
samples.xls
ppmd (Shkarin) 107,728 4:73 6:39
ppmd (Shkarin) o5 101,198 5:28 6:78
ppmd (Shkarin) o6 96,883 5:99 7:66
Âñåãî äîáðîãî. Vadim Yoockin
... A Smith and Wesson beats four aces.
--- Ñòàpûé Äåä ñòîèìîñòüþ 3.00.Alpha4 äîïëàòà â ÑÊÂ UNREG
* Origin: yoockinv@mtu-net.ru (2:5020/1042.50)
— RU.COMPRESS
From : Dmitry Subbotin 2:5020/530.18 17 May 99 03:25:44
To : Vadim Yoockin
Subj : Compression Test. Update.
Hi, Vadim!
"Vadim Yoockin" sendTo: "All" when: [16 May 99] msg:
VY> Äîïîëíåíèå ê ïðåäûäóùåìó òåñòó. Hîâèíêà - âåñüìà èíòåðåñíàÿ
VY> ðåàëèçàöèÿ PPMD Äìèòðèÿ Øêàðèíà. Îáðàòèòå âíèìàíèå íà ñêîðîñòü.
VY> wat_c.c
VY> ppmd (Shkarin) 312,855 10:40 12:00
VY> ppmd (Shkarin) o5 291,890 11:72 13:65
VY> ppmd (Shkarin) o6 281,840 13:80 15:41
Õì. À ÷åãî? Ïî-ìîåìó, äëÿ ppm áåç unbounded context è SEE ñêîðîñòü íîðìàëüíàÿ.
Ðàçà â òðè áûñòðåå ha. Êàê è äîëæíî áûòü.
taste you later,
morf
--- GoldED 2.50+
* Origin: morf@softhome.net (2:5020/530.18)
— RU.COMPRESS
From : Dmitry Subbotin 2:5020/530.18 17 May 99 03:37:05
To : Vadim Yoockin
Subj : szip
Hi, Vadim!
"Vadim Yoockin" sendTo: "Dmitry Subbotin" when: [11 May 99] msg:
...
VY>> Äèìà, äëÿ MTF'a íåò íè÷åãî ëó÷øå, ÷åì äëèííûå óñòîé÷èâûå
VY>> êîíòåêñòû :) À àäàïòèâíûé êîäåð õîðîø òàì, ãäå âîçíèêàåò
VY>> íåîäíîçíà÷íîñòü êîíòåêñòîâ.
DS>> ß ïîíèìàþ ïîä äëèííûìè óñòîé÷èâûìè êîíòåêñòàìè òàêèå ìåñòà â bwt
DS>> output'å, ãäå âñòðå÷àþòñÿ îäèí íàáîð ñèìâîëîâ ñ ëîêàëüíî
DS>> îäíîðîäíûì ÷àñòîòàìè. Äëÿ òàêèõ ìåñò àäàïòèâíûé êîäåð íåñîìíåííî
DS>> áóäåò ðàáîòàòü ëó÷øå MTF.
VY> Õîðîøàÿ ìîäåëü MTF â òàêèõ ñëó÷àÿõ íè÷óòü íå õóæå.
Ìîäåëü MTF îïòèìàëüíî êîäèðóåò ìàðêîâñêèé èñòî÷íèê áåç ïàìÿòè òîëüêî â òîì
ñëó÷àå, êîãäà ÷àñòîòû âñåõ ñèìâîëîâ îäèíàêîâû.
À ìåñòàìè âûõîä bwt âåñüìà ïîõîæ íà ìàðêîâñêèé èñòî÷íèê.
VY> Èëè ÿ íå ïîíÿë òåðìèíà "ëîêàëüíî îäíîðîäíûå ÷àñòîòû".
Äà, òåðìèí ïîëó÷èëñÿ êëàññíûé. ;)
...
VY> Ïî áàðàáàíó. Êàê ÿ óæå ïèñàë òåáå, ïðåïðîöåññèíã åùå íå óñïåë
VY> âñòàâèòü â ybs. Òåì áîëåå, ÷òî è áåç íåãî îáîøëîñü. Êîíå÷íî, õóæå,
VY> ÷åì LZ77-êîìïðåññîðû íà .avi, íî âñå æå...
10 ìèíóò âîçíè ñ ïîëóìåòðîâûì ôàéëîì - ýòî íàçûâàåòñÿ îáîøëîñü? :)
Âïðî÷åì, ïî ñðàâíåíèþ ñ òåì æå imp'îì ýòî åùå íåïëîõî.
VY> Âîò çàìåðû íà P233MMX:
VY> puzzle.avi (445,492):
VY> imp -2 íå äîæäàëñÿ
VY> bzip2 -9 íå äîæäàëñÿ
VY> ybs 54,729 10:21
VY> many (660,000):
VY> imp -2 110,994 2:96
VY> bzip2 -9 110,899 10:11
VY> ybs 108,407 3:46
Ñëàâíî. Ñþäà áû åùå ôàéë ñ îäíèì ïîâòîðîì êèëîáàéò íà 300 - è áóäåò îòëè÷íûé
íàáîð ôàéëîâ äëÿ âåøàíèÿ bwt-êîìïðåññîðîâ. ;)
Âîîáùå íàðîä äîëæåí çíàòü, ÷åãî ìîãóò âûêèíóòü àðõèâàòîðû, êîòîðûå â êîå-êàêèõ
òåñòàõ ïðîõîäÿò êàê best overall. ;)
VY>> Äà è íà îáû÷íûõ ôàéëàõ ïîáûñòðåå áóäåò...
DS>> Äà, íîâàÿ âåðñèÿ ñòàëà çàìåòíî øóñòðåå.
VY> Äà? À ÿ âðîäå íå ìåíÿë íè÷åãî (êðîìå íàçâàíèÿ)... ;)
Åùå ïîìåíÿëèñü ìåñòàìè òåñò 1 è òåñò 2. Ó ìåíÿ îò ýòîãî âñå ïåðåïóòàëîñü. :)
taste you later,
morf
--- GoldED 2.50+
* Origin: morf@softhome.net (2:5020/530.18)
— RU.COMPRESS
From : Dmitry Subbotin 2:5020/530.18 17 May 99 03:41:11
To : All
Subj : Carryless rangecoder v2.0 - 100% íàñòîÿùåãî èçâðàòà!
Hi, All!
ß òóò ïîäóìàë, ÷òî ïîòåðè â 1% äëÿ àðèôìåòè÷åñêîãî êîäåðà ýòî âñå-òàêè ñëèøêîì
ìíîãî, è ñëåãêà åãî ñîïòèìèçèðîâàë. Òåïåðü îí òåðÿåò âñåãî ãäå-òî 0.05%, ÷òî
èìõî óæå åðóíäà.
Ïàðàëëåëüíî êàê-òî ñàì ñîáîé óñòàíîâèëñÿ íîâûé ðåêîðä íà ðàçìåð ïðîöåäóðû
Encode - âñåãî 5 ñòðî÷åê. 8-)
---[ Hà÷àëà _ ]----------------------------------------------------
/*
* Carryless rangecoder (c) 1999 by Dmitry Subbotin
*/
#define TopValue (1<<24)
#define BotValue (1<<16)
class RangeCoder
{
uint low, code, range, passed;
FILE *f;
void OutByte (uc c) { passed++; fputc(c,f); }
uc InByte () { passed++; return fgetc(f); }
public:
uint GetPassed () { return passed; }
void StartEncode (FILE *F) { f=F; passed=low=0; range= (uint) -1; }
void FinishEncode () { DO(4) OutByte(low>>24), low<<=8; }
void StartDecode (FILE *F) { passed=low=code=0;
range= (uint) -1;
f=F; DO(4) code= code<<8 | InByte();
}
void Encode (uint cum_freq, uint freq, uint tot_freq) {
low+= cum_freq*(range/=tot_freq);
range*= freq;
while (range < TopValue && ((low ^ low+range) < TopValue ||
range < BotValue && ((range= -low & BotValue-1), 1)))
OutByte(low>>24), range<<=8, low<<=8;
}
uint GetFreq (uint tot_freq) {
uint tmp= (code-low)/(range/=tot_freq);
if (tmp >= tot_freq) throw ("Input data corrupt");
return tmp;
}
void Decode (uint cum_freq, uint freq, uint tot_freq) {
low+= cum_freq*range;
range*= freq;
while (range < TopValue && ((low ^ low+range) < TopValue ||
range < BotValue && ((range= -low & BotValue-1), 1)))
code= code<<8 | InByte(), range<<=8, low<<=8;
}
};
---[ Êîíöû _ ]-----------------------------------------------------
ps. Êòî íå ïîíÿë - DO ýòî
#define DO(n) for(int _=0; _<n; _++)
taste you later,
morf
--- GoldED 2.50+
* Origin: morf@softhome.net (2:5020/530.18)
— RU.COMPRESS
From : Leonid Broukhis 2:5020/400 17 May 99 10:42:29
To : Dmitry Subbotin
Subj : Re: szip
From: leob@asylum.mailcom.com (Leonid Broukhis)
Dmitry Subbotin wrote:
>À ìåñòàìè âûõîä bwt âåñüìà ïîõîæ íà ìàðêîâñêèé èñòî÷íèê.
Îò ñèëû ïåðâîãî ïîðÿäêà.
Leo
--- ifmail v.2.14dev3
* Origin: leob@at-mailcom.dot-com (2:5020/400)
— RU.COMPRESS
From : Leonid Broukhis 2:5020/400 17 May 99 10:42:31
To : Bulat Ziganshin
Subj : Re: Êàê íàñ÷åò òàêîé ìîäåëè äëÿ âûõîäà BWT?
From: leob@asylum.mailcom.com (Leonid Broukhis)
Bulat Ziganshin wrote:
> LB> Î÷åíü ìîæåò áûòü. Êñòàòè, òî, ÷òî ìíå ïðèñëàë Malcolm Taylor -
> LB> äîâîëüíî ñûðîå. Ñòåïåíü ñæàòèÿ exp.exe ìîæíî áûëî áû óëó÷øèòü,
> LB> çà÷èñòèâ â ýêçåøíèêå âñå ëèøíåå. Êèëîáàéò-äðóãîé ìîæíî áûëî áû
> LB> âûèãðàòü. Ìîæåò êàêîé ýíòóçèàñò è çíàòîê ñòðóêòóðû Windows EXE
> LB> íàéäåòñÿ?
>
> exp.exe îòíîøåíèÿ êî ìíå íå èìååò?
Håò, ýòî òîò, êîòîðûé â àðõèâå entry.ha ó ìåíÿ íà ñàéòå
(www.mailcom.com/challenge).
Leo
--- ifmail v.2.14dev3
* Origin: leob@at-mailcom.dot-com (2:5020/400)
— RU.COMPRESS
From : Leonid Broukhis 2:5020/400 17 May 99 10:42:33
To : Dmitry Subbotin
Subj : Re: Carryless rangecoder v2.0 - 100% íàñòîÿùåãî èçâðàòà!
From: leob@asylum.mailcom.com (Leonid Broukhis)
Dmitry Subbotin wrote:
>ß òóò ïîäóìàë, ÷òî ïîòåðè â 1% äëÿ àðèôìåòè÷åñêîãî êîäåðà ýòî âñå-òàêè ñëèøêîì
>ìíîãî, è ñëåãêà åãî ñîïòèìèçèðîâàë. Òåïåðü îí òåðÿåò âñåãî ãäå-òî 0.05%, ÷òî
>èìõî óæå åðóíäà.
Hà ñëó÷àéíîì ôàéëå äëèíîé 100000 ðàçíèöà ìåæäó ari ñ ôèêñèðîâàííîé
ìîäåëüþ è òâîèì êîäåðîì - 13 áàéò (100072 è 100085 ñîîòâåòñòâåííî). Cool!
Hî ðàçíèöà â ñêîðîñòè - â 2 ñ ëèøíèì ðàçà.
 comp.compression(.research) íåìåäëåííî!
Leo
--- ifmail v.2.14dev3
* Origin: leob@at-mailcom.dot-com (2:5020/400)
— RU.COMPRESS
From : Dmitry Pyankov 2:5020/400 17 May 99 13:03:23
To : All
Subj : Re: EXE ïàêåðû : APACKv0.98,APLIBv0.20 è UPXv0.70,v0.72
From: "Dmitry Pyankov" <dp@fmf.gasu.gorny.ru>
> Saturday May 15 1999, Dmitry Pyankov writes to All:
Hello, Bulat!
Ïðàêòè÷åñêè â òîò æå äåíü Bulat Ziganshin ïå÷àòàë îòâåò:
[skip]
> DP> ×åì UPX âûèãðûâàåò ó APACK ?
>
> Hîðìàëüíî ðåàëèçîâàííûì lz, íàñêîëüêî ÿ ïîìíþ.
×òî çíà÷èò íîðìàëüíûì? Òî åñòü ñíà÷àëà èäåò äëèíà ôðàçû, à çàòåì â
çàâèñèìîñòè îò äëèíû ôðàçû - ðàçìåð ìàêñèìàëüíîé äèñòàíöèè?
> DP> Ïî÷åìó â APACK íå èñïîëüçóåòñÿ Õàôôìàí? Âåäü åãî èñïîëüçîâàíèå
> DP> ïîâûñèëî áû ñòåïåíü óïàêîâêè...
>
> Håò. Ïðîèãðûø íà ðàçìåðå ðàñïàêîâùèêà, íà çàïèñè ýòèõ òàáëèö â ôàéë.
Âûèãðûø,
> â ïðåäåëå, 1-2%%. Êàê ðåçóëüòàò - ýòî óìåíüøèò ðàçìåðû òîëüêî î÷åíü
áîëüøèõ
> exe-øíèêîâ, â ñîòíè êèë. Âîò, íàñêîëüêî ÿ ïîìíþ, òàê ìíå ýòî îáúÿñíÿëè.
>
Äà, åñëè äåëàòü À-ëÿ Deflate òî ê ýòîìó è ïðèäåì. À åñëè Õàôôìàí
èñïîëüçîâàòü äëÿ êîäèðîâàíèÿ ëèøü äëèí è äèñòàíöèé, äà åùå è ðàçáèâàòü
äëèíû è äèñòàíöèè íà ãðóïïû, íàïðèìåð íà 16 èëè 32 ãðóïïû, òî è õðàíèòü
äåðåâî õàôôìàíà ìîæíî íå â "ñæàòîì" ñîñòîÿíèè, äà è ðàñïàêîâùèê â òàêîì
ñëó÷àå íå ñèëüíî óâåëè÷èòñÿ...
> DP> Âîïðîñû, êîíå÷íî, "äåòñêèå" äëÿ òàêîé ýõè, íî âñå æå...
>
> Håò. Ñïåöîâ ïî exepacker'àì î÷åíü, î÷åíü ìàëî. Åñëè íå çàáóäó, ÷åðåç
ïàðó
> äíåé îäèí èç íèõ òåáå îòâåòèò áîëåå ïîäðîáíî. Ñåãîäíÿ îí óæå óøåë :(
OK, íî òîëüêî ó ìåíÿ íåìíîãî äðóãîå íàïðàâëåíèå: ïàêîâàòü íå òîëüêî
åêçåøíèêè. Çàäà÷êà íåìíîãî äðóãàÿ:
ïàêîâàòü ëþáûå ôàéëû (ìîæåò áûòü ÷èñòî òåêñòîâûå, èëè îäíó ãðàôèêó) è ïðè
ýòîì èìåòü êîðîòêèé ðàñïàêîâùèê.
Ñ óâàæåíèåì, Äèìà.
--- ifmail v.2.14dev3
* Origin: Unknown (2:5020/400)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/29.61 17 May 99 15:10:29
To : Leonid Broukhis
Subj : Carryless rangecoder v2.0 - 100% íàñòîÿùåãî èçâðàòà!
*** Answering a msg posted in area BAD_MAIL (BAD_MAIL).
* Crossposted in RU.COMPRESS
Hello Leonid!
Monday May 17 1999, Leonid Broukhis writes to Dmitry Subbotin:
>> ß òóò ïîäóìàë, ÷òî ïîòåðè â 1% äëÿ àðèôìåòè÷åñêîãî êîäåðà ýòî
>> âñå-òàêè ñëèøêîì ìíîãî, è ñëåãêà åãî ñîïòèìèçèðîâàë. Òåïåðü îí òåðÿåò
>> âñåãî ãäå-òî 0.05%, ÷òî èìõî óæå åðóíäà.
LB> Hà ñëó÷àéíîì ôàéëå äëèíîé 100000 ðàçíèöà ìåæäó ari ñ ôèêñèðîâàííîé
LB> ìîäåëüþ è òâîèì êîäåðîì - 13 áàéò (100072 è 100085 ñîîòâåòñòâåííî).
LB> Cool!
LB> Hî ðàçíèöà â ñêîðîñòè - â 2 ñ ëèøíèì ðàçà.
LB> Â comp.compression(.research) íåìåäëåííî!
À ÷òî çà ari? Øèíäëåðîâñêèé ïîáàéòíûé? Îí ñàìûé áûñòðûé èç èçâåñòíûõ ìíå
ëè÷íî.
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
--- GoldED/386 2.50+
* Origin: Çóáíûå êëåòêè íå âîññòàíàâëèâàþòñÿ (2:5093/29.61)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/29.61 17 May 99 16:20:33
To : Dmitry Pyankov
Subj : EXE ïàêåðû : APACKv0.98,APLIBv0.20 è UPXv0.70,v0.72
*** Answering a msg posted in area BAD_MAIL (BAD_MAIL).
* Crossposted in RU.COMPRESS
Hello Dmitry!
Monday May 17 1999, Dmitry Pyankov writes to All:
>> DP> ×åì UPX âûèãðûâàåò ó APACK ?
>> Hîðìàëüíî ðåàëèçîâàííûì lz, íàñêîëüêî ÿ ïîìíþ.
DP> ×òî çíà÷èò íîðìàëüíûì? Òî åñòü ñíà÷àëà èäåò äëèíà ôðàçû, à çàòåì â
DP> çàâèñèìîñòè îò äëèíû ôðàçû - ðàçìåð ìàêñèìàëüíîé äèñòàíöèè?
Hå çíàþ òî÷íî, ýòî âñå ñî ñëîâ Äèìû. ß òàê ïîíÿë - ïðîñòî íîðìàëüíûé
longest_match() ñ èñïîëüçîâàíèåì lazy matching. Õîòÿ â apack âðîäå òîæå óæå
zip'îâñêèå èñõîäíèêè èñïîëüçóþòñÿ.
>> DP> Ïî÷åìó â APACK íå èñïîëüçóåòñÿ Õàôôìàí? Âåäü åãî èñïîëüçîâàíèå
>> DP> ïîâûñèëî áû ñòåïåíü óïàêîâêè...
>>
>> Håò. Ïðîèãðûø íà ðàçìåðå ðàñïàêîâùèêà, íà çàïèñè ýòèõ òàáëèö â
>> ôàéë.
DP> Âûèãðûø,
>> â ïðåäåëå, 1-2%%. Êàê ðåçóëüòàò - ýòî óìåíüøèò ðàçìåðû òîëüêî î÷åíü
DP> áîëüøèõ
>> exe-øíèêîâ, â ñîòíè êèë. Âîò, íàñêîëüêî ÿ ïîìíþ, òàê ìíå ýòî
>> îáúÿñíÿëè.
DP> Äà, åñëè äåëàòü À-ëÿ Deflate òî ê ýòîìó è ïðèäåì. À åñëè Õàôôìàí
DP> èñïîëüçîâàòü äëÿ êîäèðîâàíèÿ ëèøü äëèí è äèñòàíöèé, äà åùå è ðàçáèâàòü
DP> äëèíû è äèñòàíöèè íà ãðóïïû, íàïðèìåð íà 16 èëè 32 ãðóïïû, òî è
DP> õðàíèòü äåðåâî õàôôìàíà ìîæíî íå â "ñæàòîì" ñîñòîÿíèè, äà è
DP> ðàñïàêîâùèê â òàêîì ñëó÷àå íå ñèëüíî óâåëè÷èòñÿ...
Ïîñêîëüêó âûèãðûø, êàê ÿ ãîâîðèë, áóäåò âñåãî íà 1-2%%, à ýêçåøíèêè áûâàþò è
íà íåñêîëüêî êèë - ìîæåò áûòü è âûèãðûø, è ïðîèãðûø.
DP> OK, íî òîëüêî ó ìåíÿ íåìíîãî äðóãîå íàïðàâëåíèå: ïàêîâàòü íå òîëüêî
DP> åêçåøíèêè. Çàäà÷êà íåìíîãî äðóãàÿ:
DP> ïàêîâàòü ëþáûå ôàéëû (ìîæåò áûòü ÷èñòî òåêñòîâûå, èëè îäíó ãðàôèêó) è
DP> ïðè ýòîì èìåòü êîðîòêèé ðàñïàêîâùèê.
Hó, òåáå ñìûñëà èñïîëüçîâàòü Õàôôìåíà ãîðàçäî áîëüøå.
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
--- GoldED/386 2.50+
* Origin: Çóáíûå êëåòêè íå âîññòàíàâëèâàþòñÿ (2:5093/29.61)
— RU.COMPRESS
From : Dmitry Pyankov 2:5020/400 17 May 99 17:42:39
To : All
Subj : Re: EXE ïàêåðû : APACKv0.98,APLIBv0.20 è UPXv0.70,v0.72
From: "Dmitry Pyankov" <dp@fmf.gasu.gorny.ru>
Dmitry Bortoq <> çàïèñàíî â ñòàòüþ <>...
DB> * Crossposted in RU.COMPRESS
Hello Dmitry!
DB> Saturday May 15 1999, Dmitry Pyankov writes to All:
DP> ×åì UPX âûèãðûâàåò ó APACK ?
DB> êîëè÷åñòâîì ïîääåðæèâàåìûõ òèïîâ ïðîãðàìì. â ïîñëåäíåå âðåìÿ, ïîñëå
èçìåíåíèé â
DB> àëãîðèòìå ñæàòèÿ ðåëîêàöèé (ñîäðàííîì ó apack-à) - äîãîíÿåò, à èíîãäà è
×òî çà àëãîðèòì ñæàòèÿ ðåëîêàöèé? Ýòî ìåòîä, ïðè êîòîðîì äëÿ òåêóùåé ïàðû
<äëèíà, äèñòàíöèÿ> , "äèñòàíöèÿ" áåðåòñÿ èç ïðåäûäóùåé ïàðû <äëèíà,
äèñòàíöèÿ> ?
DB> îáãîíÿåò íà ñæàòèè dos exe ñàì apack (â îñíîâíîì íà ïàñêàëåâñêèõ exe).
âîîáùå
DB> åñëè íå îñòàíàâëèâàòüñÿ íà äîñòèãíóòîì è óâîðîâàòü ó apack-à åùå è
àëãîðèòì
DB> îáðàáîòêè e8 (relative call), òî upx ìîæåò îáîãíàòü apack, âïîëíå
ñóùåñòâåííî,
DB> ïîòîìó ÷òî, íàñêîëüêî ÿ çíàþ, ñàì àëãîðèòì ïîèñêà ñòðîê ó apack
ñóùåñòâåííî
DB> ñëàáåå.
Àãà. Êàê ÿ ïîíÿë, íåêîòîðûå êîäû êîìàíä (íàïð. relative call) ìîãóò
çàìåíÿòüñÿ äðóãèìè êîäàìè, âûïîëíÿþùèìè ïî ñóòè òå æå ôóíêöèè, íî êîòîðûå
ìîæíî ñæàòü áîëåå óñïåøíî... Hî ÿ íå ñîâñåì êîððåêòíî çàäàë âîïðîñ, à
òî÷íåå - ìåíÿ áîëüøå èíòåðåñóþò íå EXE ïàêåðû êàê òàêîâûå, ÿ õîòåë áîëåå
ïîäðîáíî óçíàòü î ìåòîäàõ, ïðè ðåàëèçàöèè êîòîðûõ è ïàêîâêà ñèëüíàÿ, è
ðàñïàêîâùèê êîðîòêèé...
DP> Ïî÷åìó â APACK íå èñïîëüçóåòñÿ Õàôôìàí? Âåäü åãî èñïîëüçîâàíèå
DP> ïîâûñèëî áû ñòåïåíü óïàêîâêè...
DB> à òàêæå è ðàçìåð sfx, è çàìåäëèëî áû ðàñïàêîâêó (õîòÿ ýòî ì
íåñóùåñòâåííî íà
DB> íûíåøíèõ ïðîöàõ).
DB> * âîîáùå-òî ïðîöåäóðà êîðîòêîãî äåêîäèðîâàíèÿ êîäîâ õàôôìàíà èìååòñÿ.
ïðàâäà ñ
DB> îãîâîðêàìè: âî-ïåðâûõ êîäû ñòðîÿòñÿ ñïåöèàëüíûì îáðàçîì, âî-âòîðûõ ñàìà
DB> ïðîöåäóðà òðóäíà äëÿ ïîíèìàíèÿ ;)
Äîïóñòèì, êîäîâ Õàôôìàíà áóäåò âñåãî 16 :). Òîãäà â òàêîì ñëó÷àå íà
õðàíåíèå äåðåâà(êîäîâ) Õàôôìàíà óéäåò ïðèìåðíî 5*16*2=160áèò=20 áàéò. Äà è
ñàìà ïðîöåäóðà ïðîñòà è ëåãêà äëÿ ïîíèìàíèÿ :). 16 Êîäîâ Õàôôìàíà, ýòî
êîíå÷íî ìàëîâàòî, íî âñå æå.
DP> Âîïðîñû, êîíå÷íî, "äåòñêèå" äëÿ òàêîé ýõè, íî âñå æå...
DB> ïî÷åìó æå äåòñêèå? äóìàþ ÷òî íà ýòè âîïðîñû â äàííîé ýõå ïîëíîöåííî
îòâåòèòü
DB> ìîãóò íåìíîãèå :)
;-). Hî âîò çàäàòü èõ ìîæåò êòî óãîäíî :-).
DP> Ñ óâàæåíèåì, Äèìà.
DB> ditto :)
×òî ýòî? ;)
C óâàæåíèåì, Äèìà.
--- ifmail v.2.14dev3
* Origin: Unknown (2:5020/400)
— RU.COMPRESS
From : Pavel Fomin 2:5026/45.13 17 May 99 20:30:02
To : Misha Stepanov
Subj : Re: Àëãîðèòì ñæàòèÿ
Hi Misha!
10 May 99 12:56, you wrote to me:
PF>> ß ïðèäóìàë àëãîðèòì ñæàòèÿ (÷òî, âïðî÷åì, íå èñêëþ÷àåò, ÷òî åãî
PF>> íèêòî íå ïðèäóìàë ðàíüøå). Âûÿñíèëîñü, ÷òî îí íàïîìèíàåò àëãîðèòì
PF>> Õàôôìàíà. Êòî ìîæåò ñðàâíèòü (íàïðèìåð, ñ òåì æå Õàôôìàíîì)?
MS> Ëè÷íî ìíå äàííûé ìåòîä íàïèíàåò àëãîðèòì ñæàòèÿ Ôàíî,õîòÿ âîçìîæíî ÿ
MS> îøèáàþñü.
À êàê ñæèìàåò Ôàíî?
Pasha 1st
--- GoldED/W32 3.0.1
* Origin: Windows èìååò âñåõ, êòî åå èìååò (2:5026/45.13)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/29.61 17 May 99 20:51:50
To : Vadim Yoockin
Subj : szip
* Crossposted in RU.COMPRESS
Hello Vadim!
Monday May 17 1999, Vadim Yoockin writes to Dmitry Subbotin:
DS>> 10 ìèíóò âîçíè ñ ïîëóìåòðîâûì ôàéëîì - ýòî íàçûâàåòñÿ îáîøëîñü?
DS>> :)
VY> Äà ãäå æ òû óâèäåë, ÷òî ýòî â ìèíóòàõ? Óïàñè Áîæå, êîíå÷íî,
VY> êàê è âî âñåõ ìîèõ òåñòàõ, âñå ìåðÿëîñü â ñåêóíäàõ è ñîòûõ ñåêóíäû!
À òû ÷åðåç òî÷êó ïèøè: "10.21"
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
--- GoldED/386 2.50+
* Origin: Çóáíûå êëåòêè íå âîññòàíàâëèâàþòñÿ (2:5093/29.61)
— RU.COMPRESS
From : Vadim Yoockin 2:5020/1042.50 17 May 99 20:55:45
To : Dmitry Subbotin
Subj : szip
Ïpèâåòñòâóþ, Dmitry!
17 May 99, Dmitry Subbotin ïèñàë ê Vadim Yoockin:
VY>> Äèìà, äëÿ MTF'a íåò íè÷åãî ëó÷øå, ÷åì äëèííûå óñòîé÷èâûå
VY>> êîíòåêñòû :) À àäàïòèâíûé êîäåð õîðîø òàì, ãäå âîçíèêàåò
VY>> íåîäíîçíà÷íîñòü êîíòåêñòîâ.
DS>> ß ïîíèìàþ ïîä äëèííûìè óñòîé÷èâûìè êîíòåêñòàìè òàêèå ìåñòà â bwt
DS>> output'å, ãäå âñòðå÷àþòñÿ îäèí íàáîð ñèìâîëîâ ñ ëîêàëüíî
DS>> îäíîðîäíûì ÷àñòîòàìè. Äëÿ òàêèõ ìåñò àäàïòèâíûé êîäåð íåñîìíåííî
DS>> áóäåò ðàáîòàòü ëó÷øå MTF.
VY> Õîðîøàÿ ìîäåëü MTF â òàêèõ ñëó÷àÿõ íè÷óòü íå õóæå.
DS> Ìîäåëü MTF îïòèìàëüíî êîäèðóåò ìàðêîâñêèé èñòî÷íèê áåç ïàìÿòè
DS> òîëüêî â òîì ñëó÷àå, êîãäà ÷àñòîòû âñåõ ñèìâîëîâ îäèíàêîâû.
×àñòîòû - ëîêàëüíî îäíîðîäíûå? ;) Äèìà, òû âñå æå ëó÷øå
ïðèâåäè ïðèìåð÷èê. Êàê ìíå êàæåòñÿ, ÿ çíàþ ñëàáûå ìåñòà â mtf íà
bwt-âûõîäå. Hî ó ìåíÿ åñòü ïîäîçðåíèå, ÷òî òû ãîâîðèøü î
÷åì-òî äðóãîì... ;)
VY> Ïî áàðàáàíó. Êàê ÿ óæå ïèñàë òåáå, ïðåïðîöåññèíã åùå íå óñïåë
VY> âñòàâèòü â ybs. Òåì áîëåå, ÷òî è áåç íåãî îáîøëîñü. Êîíå÷íî, õóæå,
VY> ÷åì LZ77-êîìïðåññîðû íà .avi, íî âñå æå...
DS> 10 ìèíóò âîçíè ñ ïîëóìåòðîâûì ôàéëîì - ýòî íàçûâàåòñÿ îáîøëîñü? :)
Äà ãäå æ òû óâèäåë, ÷òî ýòî â ìèíóòàõ? Óïàñè Áîæå, êîíå÷íî,
êàê è âî âñåõ ìîèõ òåñòàõ, âñå ìåðÿëîñü â ñåêóíäàõ è ñîòûõ ñåêóíäû!
DS> Âïðî÷åì, ïî ñðàâíåíèþ ñ òåì æå imp'îì ýòî åùå íåïëîõî.
VY> Âîò çàìåðû íà P233MMX:
VY> puzzle.avi (445,492):
VY> imp -2 íå äîæäàëñÿ
VY> bzip2 -9 íå äîæäàëñÿ
VY> ybs 54,729 10:21
VY> many (660,000):
VY> imp -2 110,994 2:96
VY> bzip2 -9 110,899 10:11
VY> ybs 108,407 3:46
DS> Ñëàâíî. Ñþäà áû åùå ôàéë ñ îäíèì ïîâòîðîì êèëîáàéò íà 300 - è áóäåò
DS> îòëè÷íûé íàáîð ôàéëîâ äëÿ âåøàíèÿ bwt-êîìïðåññîðîâ. ;)
Êîíå÷íî, íà òàêèõ òåñòàõ LZ77 áûñòðåå. Hî íå òàê óæ ñóùåñòâåííî,
÷òîáû ýòî áûëî êðèòè÷íî.
Âñåãî äîáðîãî. Vadim Yoockin
... A Smith and Wesson beats four aces.
--- Ñòàpûé Äåä ñòîèìîñòüþ 3.00.Alpha4 äîïëàòà â ÑÊÂ UNREG
* Origin: yoockinv@mtu-net.ru (2:5020/1042.50)
— RU.COMPRESS
From : Dmitry Subbotin 2:5020/530.18 18 May 99 00:47:25
To : Leonid Broukhis
Subj : szip
Hi, Leonid!
"Leonid Broukhis" sendTo: "Dmitry Subbotin" when: [17 May 99] msg:
>> À ìåñòàìè âûõîä bwt âåñüìà ïîõîæ íà ìàðêîâñêèé èñòî÷íèê.
LB> Îò ñèëû ïåðâîãî ïîðÿäêà.
êîíå÷íî
taste you later,
morf
--- GoldED 2.50+
* Origin: morf@softhome.net (2:5020/530.18)
— RU.COMPRESS
From : Dima Petukhov 2:5020/1517.12 18 May 99 01:03:53
To : All
Subj : FAQ need (or answer for me)
Hello All.
ß èçâèíÿþñü, íî FAQ çäåñü íå pàññûëàåòñÿ ? Óæå ñ ìåñÿö æäó è íèêàê :((
Hó òîãäà ìîæåò îòâåòèòå íà òàêîé âîïpîñèê?
Hóæåí àëãîpèòì äëÿ ñæàòèÿ ôàéëà (20-500Êá) ïåpåìåííîé pàçpÿäíîñòè (îò 3 äî 8
áèò) (çàäàåòñÿ îäèí pàç äëÿ âñåãî ôàéëà), íî _îáÿçàòåëüíî_ ñî ñòàòè÷åñêèì
ñëîâàpåì ïpè _î÷åíü_ áûñòpîé pàñïàêîâêå (äî ñîòíè òàêòîâ íà îäèí ýëåìåíò ôàéëà)
(ñêîpîñòü óïàêîâêè íå âàæíà). Pàçìåp ñëîâàpÿ òàêæå îãpàíè÷åí íåñêîëüêèìè Êá.
LZW íå ïîäõîäèò - îí íå ïpèñïîñîáëåí (â ìîåì ïîíèìàíèè) ïîä ñòàòè÷åñêèé ñëîâàpü
- êîäèpîâàíèå áóäåò äàëåêî íåîïòèìàëüíûì.
Àpèôìåòè÷åñêîå ñæàòèå íå ïîäõîäèò - âñå îïåpàöèè äîëæíû áûòü 8(16) pàçpÿäîâ.
Huffman íå íóæåí - õî÷åòñÿ êîäèpîâàòü èìåííî ïîâòîpû (â òåñòîâûõ ôàéëàõ èõ
äîâîëüíî ìíîãî). Âî âñÿêîì ñëó÷àå ñ Õàôôìàíîì ÿ êàæåòñÿ pàçîápàëñÿ.
Êàêèå åùå åñòü ñòàíäàpòíûå ?
È êàêèå íåñòàíäàpòíûå ìîæíî ïpèñïîñîáèòü ïîä òàêèå óñëîâèÿ ?
Õîòåëîñü áû èëè êpàòêîå îïèñàíèå àëãîpèòìà (ïîêà áåç èñõîäíèêîâ) èëè ññûëêó íà
póññêóþ èíôó â èíåò/ôèäî (êpîìå ôàéëýõ).
Ñàì ÿ äóìàë íàä ìîäèôèêàöèåé LZW ïîä ñòàòè÷åñêèé ñëîâàpü, íî íè÷åãî ïóòíîãî íå
ïpèäóìàë (èëè ñæàòèå ïëîõîå èëè ñëèøêîì ñëîæíûé ôîpìàò õpàíåíèÿ ñëîâàpÿ - äîëãî
pàñïàêîâûâàòü).
Åñëè êòî íå ïîíÿë: ïîä ñòàòè÷åñêèì ñëîâàpåì ÿ ïîíèìàþ ñëîâàpü, ôîpìèpóåìûé íà
ñòàäèè ñæàòèÿ è çàïèñûâàåìûé âìåñòå ñ ôàéëîì â âûõîäíîé ïîòîê. Ïpè pàñïàêîâêå
èñïîëüçóåòñÿ òîëüêî ñîõpàíåííûé ñëîâàpü áåç âñÿêîé åãî ìîäèôèêàöèè.
Âpîäå âñå ïîÿñíèë... Äèìà
ß íå ïðîùàþñü - åùå óâèäèìñÿ...
... Âû èñïîëüçyåòå Windows èëè pàáîòàåòå íà XT ?
--- GoldED 3.00+ Alpha 5
* Origin: /dev/null (FidoNet 2:5020/1517.12)
— RU.COMPRESS
From : Kirill Frolov 2:5030/643.9 18 May 99 02:06:36
To : Bulat Ziganshin
Subj : This file was created by ZDBZip32.
Håìåäëåííî íàæìè íà RESET, Bulat !
16 May 99 18:41, Bulat Ziganshin wrote to Kirill Frolov:
BZ> Ìîæåò, gzip? Hà êðàéíÿê ìîæíî äàìï 20 áàéò â íà÷àëå è êîíöå ïðèâåñòè
00000000 54 68 69 73 20 66 69 6C 65 20 77 61 73 20 63 72
00000010 65 61 74 65 64 20 62 79 20 5A 44 42 5A 69 70 33
00000020 32 2E 0D 0A 00 00 00 00 00 00 00 00 00 00 00 00
00000030 00 00 00 00 00 00 00 00 E5 36 A4 00 CF 85 73 01
00000040 55 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000050 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000060 00 00 00 00 00 00 00 00 00 00 00 00 2D 1C 12 03
00000070 52 59 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000080 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Âíà÷àëå ìíîãî íóëåé, íî ñî ñìåùåíèÿ 420h íà÷èíàþòñÿ äàííûå.
 êîíöå ôàéëà òîæå ìíîãî íóëåé â êîíöå. Ïàêîâêà íîpìàëüíûì çèïîì -- 1%,
âèäèìî çà ñ÷åò íóëåé. Ðàçìåp ôàéëà -- 10 ìåòpîâ.
Kirill Frolov. [ZX]
--- Ñîâåòñêèå ìèêpîêàëüêóëÿòîpû -- ñàìûå áîëüøèå ìèêpîêàëüêóëÿòîpû â ìèpå !
* Origin: runtime error at (2:5030/643.9)
— RU.COMPRESS
From : Dmitry Subbotin 2:5020/530.18 18 May 99 02:12:12
To : Dmitry Bortoq
Subj : EXE ïàêåðû : APACKv0.98,APLIBv0.20 è UPXv0.70,v0.72
Hi, Dmitry!
"Dmitry Bortoq" sendTo: "Dmitry Pyankov" when: [16 May 99] msg:
DP>> ×åì UPX âûèãðûâàåò ó APACK ?
DB> êîëè÷åñòâîì ïîääåðæèâàåìûõ òèïîâ ïðîãðàìì. â ïîñëåäíåå âðåìÿ, ïîñëå
DB> èçìåíåíèé â àëãîðèòìå ñæàòèÿ ðåëîêàöèé (ñîäðàííîì ó apack-à) -
DB> äîãîíÿåò, à èíîãäà è îáãîíÿåò íà ñæàòèè dos exe ñàì apack (â îñíîâíîì
DB> íà ïàñêàëåâñêèõ exe). âîîáùå åñëè íå îñòàíàâëèâàòüñÿ íà äîñòèãíóòîì è
DB> óâîðîâàòü ó apack-à åùå è àëãîðèòì îáðàáîòêè e8 (relative call)
 ïîñëåäíèõ upx óæå åñòü e8-e9. Ïðè÷åì ñ èíòåðåñíîé äîáàâêîé - çàïèñüþ
àáñîëþòíûõ àäðåñîâ ñòàðøèìè áàéòàìè âïåðåä.
DP>> Ïî÷åìó â APACK íå èñïîëüçóåòñÿ Õàôôìàí? Âåäü åãî èñïîëüçîâàíèå
DP>> ïîâûñèëî áû ñòåïåíü óïàêîâêè...
DP>> à òàêæå è ðàçìåð sfx, è çàìåäëèëî áû
DP>> ðàñïàêîâêó (õîòÿ ýòî ì íåñóùåñòâåííî íà íûíåøíèõ ïðîöàõ).
Hå ôàêò, ÷òî çàìåäëèëî. Àêêóðàòíî íàïèñàííûé õàôôìàí íà ïíÿõ äîëæåí ðàáîòàòü
áûñòðåå, ÷åì ðàçáîð gamma-êîäîâ ñ êó÷åé íåïðåäñêàçóåìûõ jump'îâ.
Âîîáùå áëî÷íûé õàôôìàí äîëæåí äàâàòü êîå-êàêîé âûèãðûø â ñæàòèè, îñîáåííî íà
ñîâðåìåííûõ âèíäþêîâûõ ïðîãðàììàõ, ãäå êîäà áûâàåò äàæå ìåíüøå ïîëîâèíû îáúåìà.
Hèêòî íå õî÷åò íàïèñàòü ñóïåð-óïàêîâùèê exe? :)
taste you later,
morf
--- GoldED 2.50+
* Origin: morf@softhome.net (2:5020/530.18)
— RU.COMPRESS
From : Dmitry Subbotin 2:5020/530.18 18 May 99 03:24:02
To : Leonid Broukhis
Subj : Carryless rangecoder v2.0 - 100% íàñòîÿùåãî èçâðàòà!
Hi, Leonid!
"Leonid Broukhis" sendTo: "Dmitry Subbotin" when: [17 May 99] msg:
>> ß òóò ïîäóìàë, ÷òî ïîòåðè â 1% äëÿ àðèôìåòè÷åñêîãî êîäåðà ýòî
>> âñå-òàêè ñëèøêîì ìíîãî, è ñëåãêà åãî ñîïòèìèçèðîâàë. Òåïåðü îí òåðÿåò
>> âñåãî ãäå-òî 0.05%, ÷òî èìõî óæå åðóíäà.
LB> Hà ñëó÷àéíîì ôàéëå äëèíîé 100000 ðàçíèöà ìåæäó ari ñ ôèêñèðîâàííîé
LB> ìîäåëüþ è òâîèì êîäåðîì - 13 áàéò (100072 è 100085 ñîîòâåòñòâåííî).
LB> Cool!
×òî-òî ìàëî ïîòåðü ïîëó÷èëîñü. :) Hàâåðíîå, ýòî îñîáåííîñòè ôèêñèðîâàííîé
ìîäåëè (òàì tot_fr áûëî ñòåïåíüþ äâîéêè?).
LB> Hî ðàçíèöà â ñêîðîñòè - â 2 ñ ëèøíèì ðàçà.
LB> Â comp.compression(.research) íåìåäëåííî!
:) Hàïèøó, íàïèøó. Âîò òîëüêî ïðèäåëàþ ê ñóáæó åùå êàêóþ-íèáóäü áûñòðóþ
ìîäåëüêó.
taste you later,
morf
--- GoldED 2.50+
* Origin: morf@softhome.net (2:5020/530.18)
— RU.COMPRESS
From : Dmitry Subbotin 2:5020/530.18 18 May 99 03:55:37
To : Vadim Yoockin
Subj : szip
Hi, Vadim!
"Vadim Yoockin" sendTo: "Dmitry Subbotin" when: [17 May 99] msg:
DS>> Ìîäåëü MTF îïòèìàëüíî êîäèðóåò ìàðêîâñêèé èñòî÷íèê áåç ïàìÿòè
DS>> òîëüêî â òîì ñëó÷àå, êîãäà ÷àñòîòû âñåõ ñèìâîëîâ îäèíàêîâû.
VY> ×àñòîòû - ëîêàëüíî îäíîðîäíûå? ;) Äèìà, òû âñå æå ëó÷øå
VY> ïðèâåäè ïðèìåð÷èê.
Îõ åëû-ïàëû. Ïðèêèíü ÷òî áóäåò, åñëè ñêîðìèòü mtf'ó äàííûå, ãäå âñòðå÷àþòñÿ òðè
ñèìâîëà ñ âåðîÿòíîñòÿìè ïîÿâëåíèÿ 1/2, 1/4, 1/4.
VY> Êàê ìíå êàæåòñÿ, ÿ çíàþ ñëàáûå ìåñòà â mtf íà bwt-âûõîäå. Hî ó ìåíÿ
VY> åñòü ïîäîçðåíèå, ÷òî òû ãîâîðèøü î ÷åì-òî äðóãîì... ;)
VY>> Ïî áàðàáàíó. Êàê ÿ óæå ïèñàë òåáå, ïðåïðîöåññèíã åùå íå óñïåë
VY>> âñòàâèòü â ybs. Òåì áîëåå, ÷òî è áåç íåãî îáîøëîñü. Êîíå÷íî,
VY>> õóæå, ÷åì LZ77-êîìïðåññîðû íà .avi, íî âñå æå...
DS>> 10 ìèíóò âîçíè ñ ïîëóìåòðîâûì ôàéëîì - ýòî íàçûâàåòñÿ îáîøëîñü? :)
VY> Äà ãäå æ òû óâèäåë, ÷òî ýòî â ìèíóòàõ?
Äûê âîí æå íàïèñàíî - 10_:_21. ;)
VY> Óïàñè Áîæå, êîíå÷íî, êàê è âî âñåõ ìîèõ òåñòàõ, âñå ìåðÿëîñü â
VY> ñåêóíäàõ è ñîòûõ ñåêóíäû!
Ïîíÿë. Çíà÷èò âñå íå òàê ïëîõî.
DS>> Âïðî÷åì, ïî ñðàâíåíèþ ñ òåì æå imp'îì ýòî åùå íåïëîõî.
VY>> Âîò çàìåðû íà P233MMX:
VY>> puzzle.avi (445,492):
VY>> imp -2 íå äîæäàëñÿ
VY>> bzip2 -9 íå äîæäàëñÿ
VY>> ybs 54,729 10:21
VY>> many (660,000):
VY>> imp -2 110,994 2:96
VY>> bzip2 -9 110,899 10:11
VY>> ybs 108,407 3:46
DS>> Ñëàâíî. Ñþäà áû åùå ôàéë ñ îäíèì ïîâòîðîì êèëîáàéò íà 300 - è
DS>> áóäåò îòëè÷íûé íàáîð ôàéëîâ äëÿ âåøàíèÿ bwt-êîìïðåññîðîâ. ;)
VY> Êîíå÷íî, íà òàêèõ òåñòàõ LZ77 áûñòðåå. Hî íå òàê óæ ñóùåñòâåííî,
VY> ÷òîáû ýòî áûëî êðèòè÷íî.
Äà, ãëàâíîå, ÷òîáû íà òàêèõ ôàéëàõ bwt íå î÷åíü äîëãî òîðìîçèë, à çàäåðæêè íà
íåñêîëüêî ñåêóíä - ôèãíÿ.
taste you later,
morf
--- GoldED 2.50+
* Origin: morf@softhome.net (2:5020/530.18)
— RU.COMPRESS
From : Leonid Broukhis 2:5020/400 18 May 99 05:18:53
To : Bulat Ziganshin
Subj : Re: Carryless rangecoder v2.0 - 100% íàñòîÿùåãî èçâðàòà!
From: leob@asylum.mailcom.com (Leonid Broukhis)
Bulat Ziganshin wrote:
> >> ß òóò ïîäóìàë, ÷òî ïîòåðè â 1% äëÿ àðèôìåòè÷åñêîãî êîäåðà ýòî
> >> âñå-òàêè ñëèøêîì ìíîãî, è ñëåãêà åãî ñîïòèìèçèðîâàë. Òåïåðü îí òåðÿåò
> >> âñåãî ãäå-òî 0.05%, ÷òî èìõî óæå åðóíäà.
>
> LB> Hà ñëó÷àéíîì ôàéëå äëèíîé 100000 ðàçíèöà ìåæäó ari ñ ôèêñèðîâàííîé
> LB> ìîäåëüþ è òâîèì êîäåðîì - 13 áàéò (100072 è 100085 ñîîòâåòñòâåííî).
> LB> Cool!
>
> LB> Hî ðàçíèöà â ñêîðîñòè - â 2 ñ ëèøíèì ðàçà.
>
> LB> Â comp.compression(.research) íåìåäëåííî!
>
> À ÷òî çà ari? Øèíäëåðîâñêèé ïîáàéòíûé? Îí ñàìûé áûñòðûé èç èçâåñòíûõ ìíå
>ëè÷íî.
Håò, ñòàíäàðòíûé ïîáèòíûé. Ó Øèíäëåðà íà ñòðàíèöå òîëüêî range coder,
àðèôìåòè÷åñêîãî ÿ íå íàøåë.
Leo
--- ifmail v.2.14dev3
* Origin: leob@at-mailcom.dot-com (2:5020/400)
— RU.COMPRESS
From : Leonid Broukhis 2:5020/400 18 May 99 05:18:57
To : Dmitry Subbotin
Subj : Re: Carryless rangecoder v2.0 - 100% íàñòîÿùåãî èçâðàòà!
From: leob@asylum.mailcom.com (Leonid Broukhis)
Dmitry Subbotin wrote:
> void Encode (uint cum_freq, uint freq, uint tot_freq) {
> low+= cum_freq*(range/=tot_freq);
> range*= freq;
> while (range < TopValue && ((low ^ low+range) < TopValue ||
> range < BotValue && ((range= -low & BotValue-1), 1)))
> OutByte(low>>24), range<<=8, low<<=8;
> }
Êàæåòñÿ ìíå, ÷òî åñëè TopValue - ýòî ñòåïåíü äâîéêè,
òî ïðè ëþáîì low < TopValue èç (low ^ low+range) < TopValue ñëåäóåò, ÷òî
range < TopValue, à èç range < BotValue ýòî ñëåäóåò ñ î÷åâèäíîñòüþ,
è ïîýòîìó ïåðâîíà÷àëüíóþ ïðîâåðêó range < TopValue ìîæíî îïóñòèòü.
Leo
--- ifmail v.2.14dev3
* Origin: leob@at-mailcom.dot-com (2:5020/400)
— RU.COMPRESS
From : Dmitry Pyankov 2:5020/400 18 May 99 09:08:26
To : All
Subj : Ãäå â èíåòå íàéòè êíèãè ïî ñæàòèþ äàííûõ?
From: "Dmitry Pyankov" <dp@fmf.gasu.gorny.ru>
Hi, All!
Ñîáñòâåííî, ñàáæ.
Ñòðàíèö íà 200-250 ;-), íà àíãëèéñêîì ÿçûêå...
Çàðàíåå ñïàñèáî.
Ñ óâàæåíèåì, Äèìà.
--- ifmail v.2.14dev3
* Origin: Unknown (2:5020/400)
— RU.COMPRESS
From : Leonid Broukhis 2:5020/400 18 May 99 11:12:08
To : Dmitry Subbotin
Subj : Re: Carryless rangecoder v2.0 - 100% íàñòîÿùåãî èçâðàòà!
From: leob@asylum.mailcom.com (Leonid Broukhis)
Dmitry Subbotin wrote:
> >> ß òóò ïîäóìàë, ÷òî ïîòåðè â 1% äëÿ àðèôìåòè÷åñêîãî êîäåðà ýòî
> >> âñå-òàêè ñëèøêîì ìíîãî, è ñëåãêà åãî ñîïòèìèçèðîâàë. Òåïåðü îí òåðÿåò
> >> âñåãî ãäå-òî 0.05%, ÷òî èìõî óæå åðóíäà.
>
> LB> Hà ñëó÷àéíîì ôàéëå äëèíîé 100000 ðàçíèöà ìåæäó ari ñ ôèêñèðîâàííîé
> LB> ìîäåëüþ è òâîèì êîäåðîì - 13 áàéò (100072 è 100085 ñîîòâåòñòâåííî).
> LB> Cool!
>
>×òî-òî ìàëî ïîòåðü ïîëó÷èëîñü. :) Hàâåðíîå, ýòî îñîáåííîñòè ôèêñèðîâàííîé
>ìîäåëè (òàì tot_fr áûëî ñòåïåíüþ äâîéêè?).
Håò, 257. Òåîðåòè÷åñêîå êîëè÷åñòâî áàéò äîëæíî áûëî áû áûòü
100000*log2(257)/log2(256) = 100070.3, ò.å. 100071. È åñòåñòâåííî,
÷òî äëÿ ñëó÷àéíûõ ÷èñåë ôèêñèðîâàííàÿ ìîäåëü ëó÷øå, ÷åì êàêàÿ-ëèáî äðóãàÿ,
ïðîñòî õîòåëîñü ïðîâåðèòü, íàñêîëüêî òâîé êîäåð îò òðàäèöèîííîãî îòëè÷àåòñÿ
ïðè ìèíèìóìå âìåøàòåëüñòâ.
>:) Hàïèøó, íàïèøó. Âîò òîëüêî ïðèäåëàþ ê ñóáæó åùå êàêóþ-íèáóäü áûñòðóþ
>ìîäåëüêó.
Âîçüìè Øèíäëåðîâñêèé êîäåð (ñ www.compressconsult.com), çàìåíè åãî
ìîäåëü íà ñâîþ è ïîãîíÿé.
Leo
--- ifmail v.2.14dev3
* Origin: leob@at-mailcom.dot-com (2:5020/400)
— RU.COMPRESS
From : Sergey Derevyago 2:451/300.29 18 May 99 16:39:34
To : dp@fmf.gasu.gorny.ru
Subj : Ãäå â èíåòå íàéòè êíèãè ïî ñæàòèþ äàííûõ?
Hello dp@fmf.gasu.gorny.ru!
18 May 99 08:08, dp@fmf.gasu.gorny.ru wrote to All:
d> Ñîáñòâåííî, ñàáæ.
d> Ñòpàíèö íà 200-250 ;-), íà àíãëèéñêîì ÿçûêå...
www.amazon.com ;)
Ñ óâàæåíèåì
Sergey
--- GlukED/2 3.00.Beda5+
* Origin: ÷åëîâåê -- ÷àñòü ïpèpîäû (2:451/300.29)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/29.61 18 May 99 16:39:43
To : Kirill Frolov
Subj : This file was created by ZDBZip32.
*** Answering a msg posted in area CARBON_COPIES (CARBON_COPIES).
* Crossposted in RU.COMPRESS
Hello Kirill!
Tuesday May 18 1999, Kirill Frolov writes to Bulat Ziganshin:
KF> Âíà÷àëå ìíîãî íóëåé, íî ñî ñìåùåíèÿ 420h íà÷èíàþòñÿ äàííûå.
KF> Â êîíöå ôàéëà òîæå ìíîãî íóëåé â êîíöå. Ïàêîâêà íîpìàëüíûì çèïîì --
KF> 1%, âèäèìî çà ñ÷åò íóëåé. Ðàçìåp ôàéëà -- 10 ìåòpîâ.
Öåëûé êèëîáàéò íóëåé - ýòî, óâû, íè íà êàêîé àðõèâàòîð íåïîõîæå. Hàâåðíî, îíè
òîëüêî áèáëèîòåêó èñïîëüçóþò :(
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
--- GoldED/386 2.50+
* Origin: Çóáíûå êëåòêè íå âîññòàíàâëèâàþòñÿ (2:5093/29.61)
— RU.COMPRESS
From : Vadim Yoockin 2:5020/1042.50 18 May 99 22:19:00
To : Dmitry Subbotin
Subj : Compression Test. Update.
Ïpèâåòñòâóþ, Dmitry!
17 May 99, Dmitry Subbotin ïèñàë ê Vadim Yoockin:
VY>> Äîïîëíåíèå ê ïðåäûäóùåìó òåñòó. Hîâèíêà - âåñüìà èíòåðåñíàÿ
VY>> ðåàëèçàöèÿ PPMD Äìèòðèÿ Øêàðèíà. Îáðàòèòå âíèìàíèå íà ñêîðîñòü.
DS> Õì. À ÷åãî? Ïî-ìîåìó, äëÿ ppm áåç unbounded context è SEE ñêîðîñòü
DS> íîðìàëüíàÿ. Ðàçà â òðè áûñòðåå ha. Êàê è äîëæíî áûòü.
Ìîæíî ïîäóìàòü âñå "íîðìàëüíûå" ppm'û áåç unbounded context ñ SEE
ðàáîòàþò ñ òàêîé ñêîðîñòüþ ;) Õîòÿ ïðèëè÷íîå ñæàòèå ïðîãðàììîé
äîñòèãàåòñÿ òîëüêî íà òåêñòàõ, ñðåäè äðóãèõ ppm'îâ îíà âûäåëÿåòñÿ
ñêîðîñòüþ (â 20 ðàç áûñòðåå rkive -mt1 ïðè òàêîì æå ñæàòèè _òåêñòîâîãî_
ôàéëà).
Âñåãî äîáðîãî. Vadim Yoockin
... A Smith and Wesson beats four aces.
--- Ñòàpûé Äåä ñòîèìîñòüþ 3.00.Alpha4 äîïëàòà â ÑÊÂ UNREG
* Origin: yoockinv@mtu-net.ru (2:5020/1042.50)
— RU.COMPRESS
From : Vadim Yoockin 2:5020/1042.50 18 May 99 22:54:30
To : Michael Semikov
Subj : st
Ïpèâåòñòâóþ, Michael!
16 May 99, Michael Semikov ïèñàë ê All:
MS> Âîò õî÷ó ñïðîñèòü ïðî ðàñïàêîâêó â szip-å. Åñëè âûõîä st ñ êîíòåêñòîì
MS> ïîðÿäêà n ñîâïàäàåò ñ âûõîäîì bwt äëÿ òîãî æå ñàìîãî òåêñòà, òî èñïîëüçóåò
MS> ëè szip bwt-ðàñïàêîâêó? Ïðîñòî ìíå èçâåñòíî, ÷òî unST ìåäëåííåå unBWT è
MS> òàêîé ïîäõîä, IMHO, áûëî-áû ðàçóìåí.
Ðàçóìåí. Hî ðåäîê ;)
Âñåãî äîáðîãî. Vadim Yoockin
... A Smith and Wesson beats four aces.
--- Ñòàpûé Äåä ñòîèìîñòüþ 3.00.Alpha4 äîïëàòà â ÑÊÂ UNREG
* Origin: yoockinv@mtu-net.ru (2:5020/1042.50)
— RU.COMPRESS
From : Vadim Yoockin 2:5020/1042.50 18 May 99 23:10:27
To : Dmitry Subbotin
Subj : szip
Ïpèâåòñòâóþ, Dmitry!
18 May 99, Dmitry Subbotin ïèñàë ê Vadim Yoockin:
DS>> Ìîäåëü MTF îïòèìàëüíî êîäèðóåò ìàðêîâñêèé èñòî÷íèê áåç ïàìÿòè
DS>> òîëüêî â òîì ñëó÷àå, êîãäà ÷àñòîòû âñåõ ñèìâîëîâ îäèíàêîâû.
Çäåñü âàæíà ñêîðåå íå "íåîäèíàêîâîñòü", êîòîðàÿ ýëåìåíòàðíî
îáõîäèòñÿ, à îäíîðîäíîñòü.
DS> Îõ åëû-ïàëû. Ïðèêèíü ÷òî áóäåò, åñëè ñêîðìèòü mtf'ó äàííûå, ãäå
DS> âñòðå÷àþòñÿ òðè ñèìâîëà ñ âåðîÿòíîñòÿìè ïîÿâëåíèÿ 1/2, 1/4, 1/4.
Äà, òåïåðü ïîíÿòíî. Ïðàâäà, ýòî ãîðàçäî õóæå äëÿ st, ÷åì äëÿ bwt.
Ïîñëå bwt îáû÷íî ýòè ÷àñòîòû íå ñîâñåì îäíîðîäíû è íà áîëüøèíñòâå
ôàéëîâ mtf ñòðàäàåò íå òàê ñèëüíî.
VY>> Óïàñè Áîæå, êîíå÷íî, êàê è âî âñåõ ìîèõ òåñòàõ, âñå ìåðÿëîñü â
VY>> ñåêóíäàõ è ñîòûõ ñåêóíäû!
DS> Ïîíÿë. Çíà÷èò âñå íå òàê ïëîõî.
DS>>> Âïðî÷åì, ïî ñðàâíåíèþ ñ òåì æå imp'îì ýòî åùå íåïëîõî.
Äà óæ, imp'ó è 10 ìèíóò íå ïîìîãëè ;)
Âñåãî äîáðîãî. Vadim Yoockin
... A Smith and Wesson beats four aces.
--- Ñòàpûé Äåä ñòîèìîñòüþ 3.00.Alpha4 äîïëàòà â ÑÊÂ UNREG
* Origin: yoockinv@mtu-net.ru (2:5020/1042.50)
— RU.COMPRESS
From : Dmitry Subbotin 2:5020/530.18 19 May 99 00:49:19
To : Leonid Broukhis
Subj : Carryless rangecoder v2.0 - 100% íàñòîÿùåãî èçâðàòà!
Hi, Leonid!
"Leonid Broukhis" sendTo: "Dmitry Subbotin" when: [18 May 99] msg:
>> void Encode (uint cum_freq, uint freq, uint tot_freq) {
>> low+= cum_freq*(range/=tot_freq);
>> range*= freq;
>> while (range < TopValue && ((low ^ low+range) < TopValue ||
>> range < BotValue && ((range= -low & BotValue-1), 1)))
>> OutByte(low>>24), range<<=8, low<<=8;
>> }
LB> Êàæåòñÿ ìíå, ÷òî åñëè TopValue - ýòî ñòåïåíü äâîéêè,
LB> òî ïðè ëþáîì low < TopValue èç (low ^ low+range) < TopValue ñëåäóåò,
LB> ÷òî range < TopValue, à èç range < BotValue ýòî ñëåäóåò ñ
LB> î÷åâèäíîñòüþ, è ïîýòîìó ïåðâîíà÷àëüíóþ ïðîâåðêó range < TopValue
LB> ìîæíî îïóñòèòü.
ß ñíà÷àëà òîæå ïðîáîâàë ýòó ïðîâåðêó îïóñòèòü. :) Hî íåëüçÿ - êîãäà
range=0xff?????? è ïðîèñõîäèò ïåðåíîñ èç òðåòüåãî áàéòà, low+range èìååò òîò æå
ñòàðøèé áàéò ÷òî è low.
taste you later,
morf
--- GoldED 2.50+
* Origin: morf@softhome.net (2:5020/530.18)
— RU.COMPRESS
From : Dmitry Subbotin 2:5020/530.18 19 May 99 04:35:52
To : Leonid Broukhis
Subj : Carryless rangecoder v2.0 - 100% íàñòîÿùåãî èçâðàòà!
Hi, Leonid!
Dmitry Subbotin ïèñàë[à,î,è,û] â ïèñüìå ê Leonid Broukhis:
LB>> Êàæåòñÿ ìíå, ÷òî åñëè TopValue - ýòî ñòåïåíü äâîéêè,
LB>> òî ïðè ëþáîì low < TopValue èç (low ^ low+range) < TopValue
LB>> ñëåäóåò, ÷òî range < TopValue, à èç range < BotValue ýòî ñëåäóåò
LB>> ñ î÷åâèäíîñòüþ, è ïîýòîìó ïåðâîíà÷àëüíóþ ïðîâåðêó range <
LB>> TopValue ìîæíî îïóñòèòü.
DS> ß ñíà÷àëà òîæå ïðîáîâàë ýòó ïðîâåðêó îïóñòèòü. :) Hî íåëüçÿ - êîãäà
DS> range=0xff?????? è ïðîèñõîäèò ïåðåíîñ èç òðåòüåãî áàéòà, low+range
DS> èìååò òîò æå ñòàðøèé áàéò ÷òî è low.
Õì, à âåäü òàêîãî íå ìîæåò áûòü - lo+range âñåãäà ìåíüøå 1<<32. Äà, âñå
ïðàâèëüíî, ýòó ïðîâåðêó ìîæíî âûêèíóòü.
Êñòàòè, êàê òû äóìàåøü, áóäåò ëè ýòîò êîä ðàáîòàòü íà âñåõ ìàøèíàõ? :) Òàì â
îäíîì ìåñòå ìîë÷àëèâî ïðåäïîëàãàåòñÿ, ÷òî îòðèöàòåëüíûå ÷èñëà õðàíÿòüñÿ â
äîïîëíèòåëüíîì ôîðìàòå, ò.å. ÷òî íàïðèìåð char(-1)==0xff. À â ñîâðåìåííîé
ïðèðîäå åñòü êîìïû, äëÿ êîòîðûõ ýòî íå âåðíî?
taste you later,
morf
--- GoldED 2.50+
* Origin: morf@softhome.net (2:5020/530.18)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/29.61 19 May 99 09:10:14
To : Pavel Fomin
Subj : Àëãîðèòì ñæàòèÿ
*** Answering a msg posted in area BAD_MAIL (BAD_MAIL).
* Crossposted in RU.COMPRESS
Hello Pavel!
Monday May 17 1999, Pavel Fomin writes to Misha Stepanov:
MS>> Ëè÷íî ìíå äàííûé ìåòîä íàïèíàåò àëãîðèòì ñæàòèÿ Ôàíî,õîòÿ
MS>> âîçìîæíî ÿ îøèáàþñü.
PF> À êàê ñæèìàåò Ôàíî?
Hàñêîëüêî ÿ ðàçîáðàëñÿ - ïîðñòî äåëèì âñå ñèìâîëû íà äâå ãðóïïû ïðèìåðíî ñ îä
èíàêîâûì âåñîì è äàëåå òàêæå, ðåêóðñèâíî.
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
--- GoldED/386 2.50+
* Origin: Çóáíûå êëåòêè íå âîññòàíàâëèâàþòñÿ (2:5093/29.61)
— RU.COMPRESS
From : Leonid Broukhis 2:5020/400 19 May 99 10:13:46
To : Dmitry Subbotin
Subj : Re: Carryless rangecoder v2.0 - 100% íàñòîÿùåãî èçâðàòà!
From: leob@asylum.mailcom.com (Leonid Broukhis)
Dmitry Subbotin wrote:
> LB>> Êàæåòñÿ ìíå, ÷òî åñëè TopValue - ýòî ñòåïåíü äâîéêè,
> LB>> òî ïðè ëþáîì low < TopValue èç (low ^ low+range) < TopValue
> LB>> ñëåäóåò, ÷òî range < TopValue, à èç range < BotValue ýòî ñëåäóåò
> LB>> ñ î÷åâèäíîñòüþ, è ïîýòîìó ïåðâîíà÷àëüíóþ ïðîâåðêó range <
> LB>> TopValue ìîæíî îïóñòèòü.
>
> DS> ß ñíà÷àëà òîæå ïðîáîâàë ýòó ïðîâåðêó îïóñòèòü. :) Hî íåëüçÿ - êîãäà
> DS> range=0xff?????? è ïðîèñõîäèò ïåðåíîñ èç òðåòüåãî áàéòà, low+range
> DS> èìååò òîò æå ñòàðøèé áàéò ÷òî è low.
>
>Õì, à âåäü òàêîãî íå ìîæåò áûòü - lo+range âñåãäà ìåíüøå 1<<32. Äà, âñå
>ïðàâèëüíî, ýòó ïðîâåðêó ìîæíî âûêèíóòü.
>
>Êñòàòè, êàê òû äóìàåøü, áóäåò ëè ýòîò êîä ðàáîòàòü íà âñåõ ìàøèíàõ? :) Òàì â
>îäíîì ìåñòå ìîë÷àëèâî ïðåäïîëàãàåòñÿ, ÷òî îòðèöàòåëüíûå ÷èñëà õðàíÿòüñÿ â
>äîïîëíèòåëüíîì ôîðìàòå, ò.å. ÷òî íàïðèìåð char(-1)==0xff. À â ñîâðåìåííîé
>ïðèðîäå åñòü êîìïû, äëÿ êîòîðûõ ýòî íå âåðíî?
Äóìàþ, ÷òî óæå íåò. Â êîíöå êîíöîâ, ìîæíî è ifdef íàïèñàòü.
Leo
--- ifmail v.2.14dev3
* Origin: leob@at-mailcom.dot-com (2:5020/400)
— RU.COMPRESS
From : Serge Akhmanov 2:5020/341.24 19 May 99 16:05:10
To : All
Subj : Çåðêàëà ftp.elf.stuba.sk
Hello, All!
À åñòü ëè ãäå-íèáóäü ïî áëèæå ê íàøåé Ì9 çåpêàëà ftp.elf.stuba.sk? À òî ñ îpèãè
íàëüíûì èñòî÷íèêîì ñâÿçü íó î÷åíü ïëîõàÿ.
---
* Origin: <serge@akhmanov.mccme.ru> <akhmanov@math.msu.su> (2:5020/341.24)
— RU.COMPRESS
From : Dmitry Shkarin 2:5020/400 19 May 99 18:12:16
To : All
Subj : Re: FAQ need (or answer for me)
From: "Dmitry Shkarin" <shkarin@arstel.ru>
Hi, Äèìà!
>
>Hóæåí àëãîpèòì äëÿ ñæàòèÿ ôàéëà (20-500Êá) ïåpåìåííîé pàçpÿäíîñòè (îò 3 äî
8
>áèò) (çàäàåòñÿ îäèí pàç äëÿ âñåãî ôàéëà), íî _îáÿçàòåëüíî_ ñî ñòàòè÷åñêèì
>ñëîâàpåì ïpè _î÷åíü_ áûñòpîé pàñïàêîâêå (äî ñîòíè òàêòîâ íà îäèí ýëåìåíò
ôàéëà)
>(ñêîpîñòü óïàêîâêè íå âàæíà). Pàçìåp ñëîâàpÿ òàêæå îãpàíè÷åí íåñêîëüêèìè
Êá.
>
Áîþñü, ÷òî èñïîëüçóÿ ñòàòè÷åñêèé(îïòèìàëüíûé) ñëîâàðü òû ëèáî ñèëüíî
ïðîèãðàåøü â ñæàòèè(åñëè ïåðåäàâàòü ñëîâàðü ïåðåä ôàéëîì), ëèáî â ñêîðîñòè,
ò.ê ïðèäåòñÿ ñòðîèòü ñëîâàðü âî âðåìÿ ðàñïàêîâêè. Âûèãðûø îò îïòèìàëüíîãî
ñëîâàðÿ î÷åíü ìàë(1-2%). Hàèáîëåå áûñòðóþ ðàñïàêîâêó äàåò LZ77, ò.ê. îí
ñâîäèòñÿ ïðîñòî ê êîïèðîâàíèþ áàéòîâ, ïîòðåáíîñòè â ïàìÿòè òîæå
íåâåëèêè(ðàçìåð îêíà).
>
>... Âû èñïîëüçyåòå Windows èëè pàáîòàåòå íà XT ?
Ìû èñïîëüçóåì DOS, íî ðàáîòàåì íà PII-PIII :).
--- ifmail v.2.14dev3
* Origin: COMSTAR Telecommunications (2:5020/400)
— RU.COMPRESS
From : Alexander Alferowich 2:5031/14 19 May 99 18:20:34
To : All
Subj : UPX vs RAR
Ïðèâåò, All!
Ýòî íîpìàëüíî, ÷òî UPX --best PE-EXE ñæèìàåò ëó÷øå, ÷åì RAR32 -m5 -mde -mm ?
Ïpèìåp:
=== Cut ===
Volume in drive D is FAT SPIRIT Serial number is 3228:9AA7
Directory of D:\Spaceman\WaveLab\*
[...]
30.04.97 13:37 380 822 WaveLab.exe (UPX 0.72 --best)
[...]
UNRAR 2.50 freeware Copyright (c) 1993-99 Eugene Roshal
Archive ORIGINAL.RAR
Name Size Packed Ratio Date Time Attr CRC-32 Meth Ver
-+----------------------------------------------------------------------------
WaveLab.exe 1136128 416700 36% 30-04-97 13:37 .....A BDDD0271 m5e 2.0
-+----------------------------------------------------------------------------
1 1136128 416700 36%
(RAR32 -m5 -mde -mm)
=== Cut ===
Âñåãî äîápîãî! :-) Àëåêñàíäåp
... A penny saved is a Congressional spending oversight.
--- Cut here
* Origin: Fat Spirit of Little Spaceman (2:5031/14)
— RU.COMPRESS
From : Igor Pavlov 2:5020/400 19 May 99 22:01:02
To : All
Subj : Re: EXE ïàêåðû : APACKv0.98,APLIBv0.20 è UPXv0.70,v0.72
From: "Igor Pavlov" <igor@vtizi.ugatu.ac.ru>
Reply-To: "Igor Pavlov" <igor@vtizi.ugatu.ac.ru>
Hello Dmitry!
Dmitry Subbotin <Dmitry.Subbotin@p18.f530.n5020.z2.fidonet.org> wrote in messag
e news:926993572@p18.f530.n5020.z2.ftn...
> Hi, Dmitry!
>
> "Dmitry Bortoq" sendTo: "Dmitry Pyankov" when: [16 May 99] msg:
>
> DP>> ×åì UPX âûèãðûâàåò ó APACK ?
> DB> êîëè÷åñòâîì ïîääåðæèâàåìûõ òèïîâ ïðîãðàìì. â ïîñëåäíåå âðåìÿ, ïîñëå
> DB> èçìåíåíèé â àëãîðèòìå ñæàòèÿ ðåëîêàöèé (ñîäðàííîì ó apack-à) -
> DB> äîãîíÿåò, à èíîãäà è îáãîíÿåò íà ñæàòèè dos exe ñàì apack (â îñíîâíîì
> DB> íà ïàñêàëåâñêèõ exe). âîîáùå åñëè íå îñòàíàâëèâàòüñÿ íà äîñòèãíóòîì è
> DB> óâîðîâàòü ó apack-à åùå è àëãîðèòì îáðàáîòêè e8 (relative call)
>
>  ïîñëåäíèõ upx óæå åñòü e8-e9. Ïðè÷åì ñ èíòåðåñíîé äîáàâêîé - çàïèñüþ
> àáñîëþòíûõ àäðåñîâ ñòàðøèìè áàéòàìè âïåðåä.
 ñâîå âðåìÿ ÿ ïðîâåðÿë ýòó ôè÷ó äëÿ e8.
È îòêàçàëñÿ îò íåå. Imho îíà ÷àùå ìåøàåò.
Ìîæåò áûòü, ÿ îøèáñÿ.
- ---
Igor Pavlov
igorp@geocities.com
http://compress.da.ru
Compression tools
--- ifmail v.2.14dev3
* Origin: Ufa State Aviation Technical University (2:5020/400)
— RU.COMPRESS
From : Leonid Broukhis 2:5020/400 19 May 99 22:01:12
To : Bulat Ziganshin
Subj : Re: Carryless rangecoder v2.0 - 100% íàñòîÿùåãî èçâðàòà!
From: leob@asylum.mailcom.com (Leonid Broukhis)
Bulat Ziganshin wrote:
> >> À ÷òî çà ari? Øèíäëåðîâñêèé ïîáàéòíûé? Îí ñàìûé áûñòðûé èç
> >> èçâåñòíûõ ìíå ëè÷íî.
>
> LB> Håò, ñòàíäàðòíûé ïîáèòíûé. Ó Øèíäëåðà íà ñòðàíèöå òîëüêî range coder,
> LB> àðèôìåòè÷åñêîãî ÿ íå íàøåë.
>
> Îí óïîìèíàåòñÿ íà http://eiunix.tuwien.ac.at/~michael/ ("A byte oriented
>aritmetic coder module..."). Ïðàâäà, òàì æå íàïèñàíî, ÷òî â íåì åñòü îøèáêà è
>íîâîé åãî âåðñèåé ÿâëÿåòñÿ rangecoder. Â îáùåì, ÿ óæå íåìíîãî â ýòîì çàïóòàëñÿ
:
>rangecoder - ýòî ïîáàéòíûé àðèôìåòè÷åñêèé êîäåð èëè âñå æå åñòü êàêàÿ-òî
>ïðèíöèïèàëüíàÿ ðàçíèöà?
Ïðèíöèïèàëüíàÿ ðàçíèöà åñòü òîëüêî ìåæäó ñèíõðîíèçèðóþùèìèñÿ
(ïðåôèêñíûå) è íåñèíõðîíèçèðóþùèìèñÿ (àðèôìåòè÷åñêèé)
êîäàìè. Òî, ÷òî rangecoder òàê íàçûâàåòñÿ - â áîëüøîé ñòåïåíè çàùèòà
îò IBM ñ èõ ïàòåíòàìè.
Leo
--- ifmail v.2.14dev3
* Origin: leob@at-mailcom.dot-com (2:5020/400)
— RU.COMPRESS
From : Leonid Broukhis 2:5020/400 19 May 99 22:01:14
To : Bulat Ziganshin
Subj : Re: Carryless rangecoder v2.0 - 100% íàñòîÿùåãî èçâðàòà!
From: leob@asylum.mailcom.com (Leonid Broukhis)
Bulat Ziganshin wrote:
> BZ> Îí óïîìèíàåòñÿ íà http://eiunix.tuwien.ac.at/~michael/ ("A byte
> BZ> oriented aritmetic coder module..."). Ïðàâäà, òàì æå íàïèñàíî, ÷òî â
> BZ> íåì åñòü îøèáêà è íîâîé åãî âåðñèåé ÿâëÿåòñÿ rangecoder. Â îáùåì, ÿ
> BZ> óæå íåìíîãî â ýòîì çàïóòàëñÿ: rangecoder - ýòî ïîáàéòíûé
> BZ> àðèôìåòè÷åñêèé êîäåð èëè âñå æå åñòü êàêàÿ-òî ïðèíöèïèàëüíàÿ ðàçíèöà?
>
> Äà, à ñðàâíèòü ñàáæ ñ îðèãèíàëüíûì ðàí÷êîäåðîì?
Ýòî ê Äìèòðèþ Ñóááîòèíó. Hî ÿ íå äóìàþ, ÷òî áóäåò ñóùåñòâåííàÿ ðàçíèöà.
Ó Äìèòðèÿ, êñòàòè, åñòü ìà-àëåíüêàÿ íåýôôåêòèâíîñòü: â FinishEncode
íåîáÿçàòåëüíî âûïèõèâàòü âñå 4 áàéòà, äîñòàòî÷íî òîëüêî òåõ, êîòîðûå
íóæíû äëÿ îäíîçíà÷íîãî îïðåäåëåíèÿ freq (îáû÷íî õâàòèò 2-3). Ñòðîãî 4
ïîëåçíî, òîëüêî åñëè â ôàéëå ëåæèò íåñêîëüêî êîäèðîâàííûõ ïîòîêîâ ïîäðÿä.
Leo
--- ifmail v.2.14dev3
* Origin: leob@at-mailcom.dot-com (2:5020/400)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/29.61 19 May 99 22:12:56
To : Leonid Broukhis
Subj : Carryless rangecoder v2.0 - 100% íàñòîÿùåãî èçâðàòà!
* Crossposted in RU.COMPRESS
Hello Leonid!
Tuesday May 18 1999, Leonid Broukhis writes to Bulat Ziganshin:
>> À ÷òî çà ari? Øèíäëåðîâñêèé ïîáàéòíûé? Îí ñàìûé áûñòðûé èç
>> èçâåñòíûõ ìíå ëè÷íî.
LB> Håò, ñòàíäàðòíûé ïîáèòíûé. Ó Øèíäëåðà íà ñòðàíèöå òîëüêî range coder,
LB> àðèôìåòè÷åñêîãî ÿ íå íàøåë.
Îí óïîìèíàåòñÿ íà http://eiunix.tuwien.ac.at/~michael/ ("A byte oriented ari
tmetic coder module..."). Ïðàâäà, òàì æå íàïèñàíî, ÷òî â íåì åñòü îøèáêà è íîâ
îé åãî âåðñèåé ÿâëÿåòñÿ rangecoder. Â îáùåì, ÿ óæå íåìíîãî â ýòîì çàïóòàëñÿ: ra
ngecoder - ýòî ïîáàéòíûé àðèôìåòè÷åñêèé êîäåð èëè âñå æå åñòü êàêàÿ-òî ïðèíöèïè
àëüíàÿ ðàçíèöà?
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
--- GoldED/386 2.50+
* Origin: Çóáíûå êëåòêè íå âîññòàíàâëèâàþòñÿ (2:5093/29.61)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/29.61 19 May 99 22:12:56
To : Leonid Broukhis
Subj : Carryless rangecoder v2.0 - 100% íàñòîÿùåãî èçâðàòà!
* Crossposted in RU.COMPRESS
Hello Leonid!
Tuesday May 18 1999, Leonid Broukhis writes to Bulat Ziganshin:
>> À ÷òî çà ari? Øèíäëåðîâñêèé ïîáàéòíûé? Îí ñàìûé áûñòðûé èç
>> èçâåñòíûõ ìíå ëè÷íî.
LB> Håò, ñòàíäàðòíûé ïîáèòíûé. Ó Øèíäëåðà íà ñòðàíèöå òîëüêî range coder,
LB> àðèôìåòè÷åñêîãî ÿ íå íàøåë.
Îí óïîìèíàåòñÿ íà http://eiunix.tuwien.ac.at/~michael/ ("A byte oriented
aritmetic coder module..."). Ïðàâäà, òàì æå íàïèñàíî, ÷òî â íåì åñòü îøèáêà è
íîâîé åãî âåðñèåé ÿâëÿåòñÿ rangecoder. Â îáùåì, ÿ óæå íåìíîãî â ýòîì çàïóòàëñÿ:
rangecoder - ýòî ïîáàéòíûé àðèôìåòè÷åñêèé êîäåð èëè âñå æå åñòü êàêàÿ-òî
ïðèíöèïèàëüíàÿ ðàçíèöà?
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
--- GoldED/386 2.50+
* Origin: Çóáíûå êëåòêè íå âîññòàíàâëèâàþòñÿ (2:5093/29.61)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/29.61 19 May 99 22:21:26
To : All
Subj : Ïðàêòè÷åñêîå èñïîëüçîâàíèå õàôôìåíîâñêîãî êîäèðîâàíèÿ
* Crossposted in RU.COMPRESS
Hello All!
Wednesday May 19 1999, Bulat Ziganshin writes to Leonid Broukhis:
LB>> Håò, ñòàíäàðòíûé ïîáèòíûé. Ó Øèíäëåðà íà ñòðàíèöå òîëüêî range
LB>> coder, àðèôìåòè÷åñêîãî ÿ íå íàøåë.
BZ> Îí óïîìèíàåòñÿ íà http://eiunix.tuwien.ac.at/~michael/
Îêàçûâàåòñÿ, Øèíäëåð ñäåëàë âåñüìà ïîäðîáíîå îïèñàíèå ñàáæà - íà óðîâíå,
äîñòàòî÷íîì äëÿ âîññîçäàíèÿ ÷åãî-íèáóäü òèïà zip'à :)
http://www.compressconsult.com/huffman/
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
--- GoldED/386 2.50+
* Origin: Çóáíûå êëåòêè íå âîññòàíàâëèâàþòñÿ (2:5093/29.61)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/29.61 19 May 99 22:32:51
To : Leonid Broukhis
Subj : Carryless rangecoder v2.0 - 100% íàñòîÿùåãî èçâðàòà!
* Crossposted in RU.COMPRESS
Hello Leonid!
Wednesday May 19 1999, Bulat Ziganshin writes to Leonid Broukhis:
>>> À ÷òî çà ari? Øèíäëåðîâñêèé ïîáàéòíûé? Îí ñàìûé áûñòðûé èç
>>> èçâåñòíûõ ìíå ëè÷íî.
LB>> Håò, ñòàíäàðòíûé ïîáèòíûé. Ó Øèíäëåðà íà ñòðàíèöå òîëüêî range
LB>> coder, àðèôìåòè÷åñêîãî ÿ íå íàøåë.
BZ> Îí óïîìèíàåòñÿ íà http://eiunix.tuwien.ac.at/~michael/ ("A byte
BZ> oriented aritmetic coder module..."). Ïðàâäà, òàì æå íàïèñàíî, ÷òî â
BZ> íåì åñòü îøèáêà è íîâîé åãî âåðñèåé ÿâëÿåòñÿ rangecoder. Â îáùåì, ÿ
BZ> óæå íåìíîãî â ýòîì çàïóòàëñÿ: rangecoder - ýòî ïîáàéòíûé
BZ> àðèôìåòè÷åñêèé êîäåð èëè âñå æå åñòü êàêàÿ-òî ïðèíöèïèàëüíàÿ ðàçíèöà?
Äà, à ñðàâíèòü ñàáæ ñ îðèãèíàëüíûì ðàí÷êîäåðîì?
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
--- GoldED/386 2.50+
* Origin: Çóáíûå êëåòêè íå âîññòàíàâëèâàþòñÿ (2:5093/29.61)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/29.61 20 May 99 04:15:59
To : Leonid Broukhis
Subj : Carryless rangecoder v2.0 - 100% íàñòîÿùåãî èçâðàòà!
*** Answering a msg posted in area CARBON_COPIES (CARBON_COPIES).
* Crossposted in RU.COMPRESS
Hello Leonid!
Wednesday May 19 1999, Leonid Broukhis writes to Bulat Ziganshin:
>> Äà, à ñðàâíèòü ñàáæ ñ îðèãèíàëüíûì ðàí÷êîäåðîì?
LB> Ýòî ê Äìèòðèþ Ñóááîòèíó. Hî ÿ íå äóìàþ, ÷òî áóäåò ñóùåñòâåííàÿ
LB> ðàçíèöà.
Òîãäà îáúÿñíèòå, â ÷åñòü ÷åãî ïðàçäíèê?
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
* Origin: Çóáíûå êëåòêè íå âîññòàíàâëèâàþòñÿ (2:5093/29.61)
--- GoldED/386 2.50+
* Origin: Çóáíûå êëåòêè íå âîññòàíàâëèâàþòñÿ (2:5093/29.61)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/29.61 20 May 99 05:10:17
To : Igor Pavlov
Subj : EXE ïàêåðû : APACKv0.98,APLIBv0.20 è UPXv0.70,v0.72
* Crossposted in RU.COMPRESS
Hello Igor!
Wednesday May 19 1999, Igor Pavlov writes to All:
>>  ïîñëåäíèõ upx óæå åñòü e8-e9. Ïðè÷åì ñ èíòåðåñíîé äîáàâêîé -
>> çàïèñüþ àáñîëþòíûõ àäðåñîâ ñòàðøèìè áàéòàìè âïåðåä.
IP> Â ñâîå âðåìÿ ÿ ïðîâåðÿë ýòó ôè÷ó äëÿ e8.
IP> È îòêàçàëñÿ îò íåå. Imho îíà ÷àùå ìåøàåò.
IP> Ìîæåò áûòü, ÿ îøèáñÿ.
Ó ìåíÿ òîæå áûë ïðîèãðûø.
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
--- GoldED/386 2.50+
* Origin: Çóáíûå êëåòêè íå âîññòàíàâëèâàþòñÿ (2:5093/29.61)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/29.61 20 May 99 05:12:15
To : Alexander Alferowich
Subj : UPX vs RAR
* Crossposted in RU.COMPRESS
Hello Alexander!
Wednesday May 19 1999, Alexander Alferowich writes to All:
AA> Ýòî íîpìàëüíî, ÷òî UPX --best PE-EXE ñæèìàåò ëó÷øå, ÷åì RAR32 -m5 -mde
AA> -mm ? Ïpèìåp:
À òû çíàåøü, ÷òî äëÿ ñæàòèÿ ðåëîêàöèé èñïîëüçóåòñÿ îòäåëüíûé àëãîðèòì? Ñêîëü
êî îíè òàì çàíèìàþò?
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
--- GoldED/386 2.50+
* Origin: Çóáíûå êëåòêè íå âîññòàíàâëèâàþòñÿ (2:5093/29.61)