— RU.COMPRESS
From : Vova Orlov 2:5030/732.27 18 Jul 00 08:37:48
To : All
Subj : exe pack
Hello everybody.
À ïî÷åìó ïàêîâàíàÿ win32 ïðîãðàììà â ïàìÿòè ìåñòà áîëüøå çàíèìàåò, ÷åì íåïàêîâà
ííàÿ?
Vova
--- GoldED+/W32 1.1.4.5
* Origin: (2:5030/732.27)
— RU.COMPRESS
From : Anatoly Popov 2:5003/7.2 18 Jul 00 10:57:00
To : All
Subj : Èñòîðèÿ ñ ãåîãðàôèåé ;)
Ïðèâåò, All!
ß òóò ïèøó íåáîëüøîé ìàíóàë äëÿ þçåðîâ ;), â ðåçóëüòàòå ñàìîìó ïîíàäîáèëñÿ ó÷åá
íèê ñàáæà ;))) Ïîïðàâüòå ìåíÿ. Êîðî÷å, â òåêñòå åñòü êðàòêèé îáçîð ñðåäñòâ àðõè
âèðîâàíèÿ è ðåçåðâíîãî êîïèðîâàíèÿ èíôîðìàöèè, äîñòóïíûõ ïðîñòîìó þçåðó, íî âîç
íèêàþò ñîìíåíèÿ ïî ïîâîäó êîððåêòíîñòè ìîèõ ëè÷íûõ íàáëþäåíèé è ñâåäåíèé ôàêòè÷
åñêîãî õàðàêòåðà.
Ïî ïîâîäó ñëåäóþùåãî îòðûâêà õîòåëîñü áû óñëûøàòü êðèòè÷åñêèé îòçûâ, ïðàâèëüíî
ëè ÿ ïîíÿë ïðè÷èíó "îáäåëåííîñòè" çèïîâ âñÿ÷åñêèìè ôè÷àìè (ïî ñðàâíåíèþ ñ ARJ,
íàïðèìåð):
>=== Cut ===
Àðõèâàòîðû PKZIP/PKUNZIP (àâòîð Phillip Katz, êîìïàíèÿ PKWARE,
Inc., ÑØÀ), WinZip (êîìïàíèÿ Nico Mak Computing, Inc., ÑØÀ)
Èìåþò <ðîäñòâåííèêîâ> íà âñåõ èëè ïî÷òè âñåõ ïëàòôîðìàõ è
ñèñòåìàõ, ôîðìàò àðõèâà ÿâëÿåòñÿ îáùåïðèçíàííûì ôàêòè÷åñêèì
ñòàíäàðòîì ïðè îáìåíå èíôîðìàöèåé ïî ñåòÿì, è â ýòîì åãî ãëàâíîå
äîñòîèíñòâî. Îäíàêî òàêîé øèðîêèé <àðåàë îáèòàíèÿ> è âûòåêàþùàÿ
îòñþäà ïðîáëåìà ñîâìåñòèìîñòè àðõèâîâ, ïî âñåé âèäèìîñòè, ñòàëè
ãëàâíûì ñäåðæèâàþùèì ôàêòîðîì íà ïóòè îñíàùåíèÿ âñåãî <ñåìåéñòâà>
ðàçëè÷íûìè ïîëåçíûìè âîçìîæíîñòÿìè. Àðõèâû èìåþò ðàñøèðåíèå ZIP.
>=== Cut ===
À â ñëåäóþùåì îòðûâêå õîòåëîñü áû ïðîâåðèòü äîñòîâåðíîñòü ñâåäåíèé, ïîìå÷åííûõ
çíàêàìè âîïðîñà:
>=== Cut ===
Êðîìå òîãî, âû âïîëíå ìîæåòå âñòðåòèòüñÿ ñ àðõèâàìè, ñîçäàííûìè
äðóãèìè ïîïóëÿðíûìè ðàíåå àðõèâàòîðàìè:
LHA (àâòîð Haruyasu Yoshizaki, ßïîíèÿ (???))
Ðàçâèòèå ýòîãî êîìïàêòíîãî àðõèâàòîðà ïðåêðàòèëîñü ïðèìåðíî â
1992 (???) ãîäó, íî áëàãîäàðÿ åìó (???) óòâåðäèëñÿ ôîðìàò êîìàíäíîé
ñòðîêè è íàáîð êîìàíä àðõèâàòîðà, ñòàâøèé ôàêòè÷åñêèì ñòàíäàðòîì èëè
îáðàçöîì äëÿ ïîäðàæàíèÿ äëÿ ïîñëåäîâàòåëåé, â òîì ÷èñëå ARJ è RAR.
Àðõèâû èìåþò ðàñøèðåíèå LZH.
HA (àâòîð Harri Hirvola, Ôèíëÿíäèÿ)
åòîðîïëèâûé, íî õîðîøî ñæèìàþùèé àðõèâàòîð, èçëþáëåííîå
ñðåäñòâî äëÿ óïàêîâêè òåêñòîâ â ýëåêòðîííûõ áèáëèîòåêàõ. Ðàçâèòèå
ïðåêðàòèëîñü ïðåäïîëîæèòåëüíî â 1993 (???) ãîäó. Àðõèâû èìåþò
ðàñøèðåíèå HA.
>=== Cut ===
Çàðàíåå ñïàñèáî.
Ïîêà
Àíàòîëèé
---
* Origin: Ñûêòûâêàð, Ðåñïóáëèêà Êîìè (2:5003/7.2)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/28.126 18 Jul 00 13:09:58
To : Vova Orlov
Subj : exe pack
* Originally in RU.COMPRESS
Hello Vova!
Tuesday July 18 2000, Vova Orlov writes to All:
VO> À ïî÷åìó ïàêîâàíàÿ win32 ïðîãðàììà â ïàìÿòè ìåñòà áîëüøå çàíèìàåò,
VO> ÷åì
VO> íåïàêîâàííàÿ?
ïîòîìó, ÷òî õðàíÿòñÿ è èñõîäíûå, è ðàñïàêîâàííûå äàííûå (afaik)
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
... Èíîãäà äëÿ òîãî, ÷òîáû èçìåíèòü ñâîå âîñïðèÿòèå ìèðà,
... ëþäè ïûòàþòñÿ èçìåíèòü ñàì ìèð
--- GoldED+/W32 1.1.2
* Origin: À ÷åì çàíèìàåòñÿ õåðîìàíòèÿ? (2:5093/28.126)
— RU.COMPRESS
From : Denis Smirnov 2:5020/1785.1 18 Jul 00 16:01:08
To : Bulat Ziganshin
Subj : Ñæàòèå ïèñåì
---- OS/2 Ïðèâåò Bulat!
Îòâåò íà ïèñüìî îò Bulat Ziganshin ê Denis Smirnov:
BZ> íî åñëè òû õî÷åøü ñäåëàòü ïîáûñòðåå, òî ÿ òåáå íå ñîâåòóþ ýòèì çàíèìàòüñÿ.
BZ> ýòî âñåãî íåñêîëüêî ïðîöåíòîâ è ïðè ýòîì íåîòðàáîòàííàÿ åùå òåõíîëîãèÿ.
BZ> åñëè óæ åå èñïîëüçîâàòü, òî ïðîùå âçÿòü ïðåîáðàçîâàíèÿ îäíîãî ïîëÿêà
BZ> (íàðîä, êàê åãî çîâóò?) - îíè äàþò âûèãðûø â òå æå íåñêîëüêî ïðîöåíòîâ è
BZ> èñêëþ÷èòåëüíî ïðîñòû â ðåàëèçàöèè
Ãäå âçÿòü îïèñàíèå?
BZ>>> 2) ðàñøèðèòü åãî ñëîâàðü - ðàáîòû íà ïàðó íåäåëü. âñå ñîâðåìåííûå
BZ>>> lzh'è òàê, ïîõîæå, è ñäåëàíû
DS>> Òû èìååøü â âèäó ðàáîòó ñî ñëîâàðåì áîëüøîãî îáúåìà?
BZ> äà
À çà÷åì ýòî íàäî íà òàêèõ ìàëåíüêèõ îáúåìàõ?
BZ> åñëè õî÷åòñÿ äåøåâî è ñåðäèòî, òî ïðîñòî ñæèìàé â ppmd ïî 16 ìåññàã. è
BZ> ïîïðîáóé ðàçîáðàòüñÿ, êàê â íåì îðãàíèçîâàòü ñîõðàíåíèå/÷òåíèå ñòàòèñòèêè
BZ> - òîãäà òû ñìîæåøü åùå óëó÷øèòü ñæàòèå. âïðî÷åì, íå ôàêò, ÷òî íàìíîãî -
BZ> ïðîâåðü.
BZ> âîçìîæíî, âñå æå ëó÷øå âçÿòü bzip2. íà òåêñòàõ ñæàòèå ó íåãî íåíàìíîãî
BZ> õóæå, äëÿ þíèêñîâ ýòî óæå ïî÷òè ñòàíäàðò, ðàñïàêîâêà ó íåãî áûñòðåå è
BZ> ïàìÿòè êóøàåò ìåíüøå
Ëîãè÷íî. À ìîæíî êàê-íèáóäü ýòè ìåññàãè ïåðåðàáîòàòü ïðåäâàðèòåëüíî, ÷òîáû
óëó÷øèòü ñæàòèå?
Ñ óâàæåíèåì, Denis!
--- mailto:mithraen@mtu-net.ru ICQ:58417635
* Origin: Windows: From the people who brought you EDLIN! (2:5020/1785.1)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/28.126 18 Jul 00 16:02:59
To : Anatoly Popov
Subj : Èñòîðèÿ ñ ãåîãðàôèåé ;)
* Originally in RU.COMPRESS
Hello Anatoly!
Tuesday July 18 2000, Anatoly Popov writes to All:
AP> Ïî ïîâîäó ñëåäóþùåãî îòðûâêà õîòåëîñü áû óñëûøàòü êðèòè÷åñêèé îòçûâ,
AP> ïðàâèëüíî ëè ÿ ïîíÿë ïðè÷èíó "îáäåëåííîñòè" çèïîâ âñÿ÷åñêèìè ôè÷àìè
AP> (ïî ñðàâíåíèþ ñ ARJ, íàïðèìåð):
ïðè÷èíà - â õàðàêòåðå ÿíãà. øèëî â çàäíèöå. pkzip èìåë âïîëíå ïðèëè÷íûé ïî ñâîè
ì âðåìåíàì íàáîð âîçìîæíîñòåé
AP> LHA (àâòîð Haruyasu Yoshizaki, ßïîíèÿ (???))
òî÷íî
AP> íî áëàãîäàðÿ åìó (???) óòâåðäèëñÿ ôîðìàò êîìàíäíîé ñòðîêè
lharc/lha áûëè çàìåòíûìè ôèãóðàìè, íî êðîìå íèõ ìíîãî êòî èñïîëüçîâàë òàêóþ æå
êîì. ñòðîêó. òðóäíî ñóäèòü, èìõî.
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
... Èíîãäà äëÿ òîãî, ÷òîáû èçìåíèòü ñâîå âîñïðèÿòèå ìèðà,
... ëþäè ïûòàþòñÿ èçìåíèòü ñàì ìèð
--- GoldED+/W32 1.1.2
* Origin: À ÷åì çàíèìàåòñÿ õåðîìàíòèÿ? (2:5093/28.126)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/28.126 18 Jul 00 19:15:58
To : Denis Smirnov
Subj : Ñæàòèå ïèñåì
*** Answering a msg posted in area CARBON_COPIES (CARBON_COPIES).
* Originally in RU.COMPRESS
Hello Denis!
Tuesday July 18 2000, Denis Smirnov writes to Bulat Ziganshin:
BZ>> íî åñëè òû õî÷åøü ñäåëàòü ïîáûñòðåå, òî ÿ òåáå íå ñîâåòóþ ýòèì
BZ>> çàíèìàòüñÿ. ýòî âñåãî íåñêîëüêî ïðîöåíòîâ è ïðè ýòîì
BZ>> íåîòðàáîòàííàÿ åùå òåõíîëîãèÿ. åñëè óæ åå èñïîëüçîâàòü, òî ïðîùå
BZ>> âçÿòü ïðåîáðàçîâàíèÿ îäíîãî ïîëÿêà (íàðîä, êàê åãî çîâóò?) - îíè
BZ>> äàþò âûèãðûø â òå æå íåñêîëüêî ïðîöåíòîâ è èñêëþ÷èòåëüíî ïðîñòû â
BZ>> ðåàëèçàöèè
DS> Ãäå âçÿòü îïèñàíèå?
ó íàðîäà. âàäèì þêèí, íàïðèìåð, äîëæåí áûë ñ íèì îáùàòüñÿ. szymon grabowski, ïð
èìåðíî
BZ>>>> 2) ðàñøèðèòü åãî ñëîâàðü - ðàáîòû íà ïàðó íåäåëü. âñå
BZ>>>> ñîâðåìåííûå lzh'è òàê, ïîõîæå, è ñäåëàíû
DS>>> Òû èìååøü â âèäó ðàáîòó ñî ñëîâàðåì áîëüøîãî îáúåìà?
BZ>> äà
DS> À çà÷åì ýòî íàäî íà òàêèõ ìàëåíüêèõ îáúåìàõ?
íå íóæíî
BZ>> åñëè õî÷åòñÿ äåøåâî è ñåðäèòî, òî ïðîñòî ñæèìàé â ppmd ïî 16
BZ>> ìåññàã. è ïîïðîáóé ðàçîáðàòüñÿ, êàê â íåì îðãàíèçîâàòü
BZ>> ñîõðàíåíèå/÷òåíèå ñòàòèñòèêè - òîãäà òû ñìîæåøü åùå óëó÷øèòü
BZ>> ñæàòèå. âïðî÷åì, íå ôàêò, ÷òî íàìíîãî - ïðîâåðü. âîçìîæíî, âñå æå
BZ>> ëó÷øå âçÿòü bzip2. íà òåêñòàõ ñæàòèå ó íåãî íåíàìíîãî õóæå, äëÿ
BZ>> þíèêñîâ ýòî óæå ïî÷òè ñòàíäàðò, ðàñïàêîâêà ó íåãî áûñòðåå
BZ>> è ïàìÿòè êóøàåò ìåíüøå
DS> Ëîãè÷íî. À ìîæíî êàê-íèáóäü ýòè ìåññàãè ïåðåðàáîòàòü
DS> ïðåäâàðèòåëüíî, ÷òîáû óëó÷øèòü ñæàòèå?
òû èìååøü â âèäó ïðåäâ. ïðîõîä? ñìîòðè ïåðâûé àáçàö
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
... Èíîãäà äëÿ òîãî, ÷òîáû èçìåíèòü ñâîå âîñïðèÿòèå ìèðà,
... ëþäè ïûòàþòñÿ èçìåíèòü ñàì ìèð
--- GoldED+/W32 1.1.2
* Origin: À ÷åì çàíèìàåòñÿ õåðîìàíòèÿ? (2:5093/28.126)
— RU.COMPRESS
From : Andrew Aksyonoff 2:5036/29.2 18 Jul 00 21:31:04
To : Alexey Zolotarev
Subj : Óïàêîâêà ñèãíàëà â real-time
Hello Alexey!
17 Jul 00 00:44, Alexey Zolotarev wrote to Andrew Aksyonoff:
AA>> Åñëè óïàêîâêà õîòÿ áû îäèí ðàçìåð óìåíüøàåò ðàçìåð è íå òåðÿåò
AZ> íå ñîâñåì ïîíÿòíî ýòî pàç-+--- ^^^^^^ èëè äåéñòâèòåëüíî pàçìåp ?
"Ðàç", êîíå÷íî.
AZ> Âîïpîñ ìîæíî ? À åñëè pàçìåp óìåíüøàåòñÿ ... >>,
... >>> è âîññòàíàâëèâàþòñÿ ïîñëå äåêîäèpîâàíèÿ èñõîäíûå äàííûå...
Òî êòî-òî âðåò.
AA>> Hó ÿ õðåíåþ ïðîñòî ñ òâîèõ îïðåäåëåíèé.
AZ> Îïpåäåëåíèÿ òîëüêî ñêîâûâàþò èíòåëëåêò...õîòÿ íå ñêpîþ, çíàòü íóæíî...
À, åùå îäèí èíòóèòèâèñò íàïèñàë ñóïåðàðõèâàòîð...
- Andrew
... Into the mercy seat I climb, my head is shaved, my head is wired...
--- ged386-pl2.50-dos &
* Origin: unknown. (2:5036/29.2)
— RU.COMPRESS
From : ZAB 2:5020/400 18 Jul 00 22:08:04
To : All
Subj : Òåñò
From: "ZAB" <ZAnatolyB@Mail.ru>
--- ifmail v.2.15dev5
* Origin: NeoToN (2:5020/400)
— RU.COMPRESS
From : ZAB 2:5020/400 18 Jul 00 22:11:35
To : All
Subj : ×åãî-òî ÿ íå âúåçæàþ!
From: "ZAB" <ZAnatolyB@Mail.ru>
Ïðè ïðî÷òåíèè BWT FAQ íàïîðîëñÿ íà: "Çà ñ÷åò óïpîùåíèÿ ïpîöåäópû ñîpòèpîâêè
óâåëè÷èâàåòñÿ ñêîpîñòü ñæàòèÿ ïî ñpàâíåíèþ ñ BWT, íî pàñæàòèå ñòàíîâèòñÿ
ìåäëåííåå èç-çà íåîáõîäèìîñòè îápàáîòêè îäèíàêîâûõ êîíòåêñòîâ"!
Ýòî ïðî ÷òî? Âåñü àëãîðèòì ðàñæàòèÿ ñòðîèòñÿ íà òîì, ÷òî 1 ñòîëáåö ìàòðèöû
áûë ñîðòèðîâàí, à íà òî áûëè ëè ñîðòèðîâàíû âñå îñòàëüíûå ñòîëáöû åìó
ãëóáîêî íà÷õàòü!? Ðàçâå íå òàê?
--- ifmail v.2.15dev5
* Origin: NeoToN (2:5020/400)
— RU.COMPRESS
From : ZAB 2:5020/400 18 Jul 00 22:11:40
To : All
Subj : Â êàêóþ ñòîðîíó ïóñêàòü ÏÏÌ?
From: "ZAB" <ZAnatolyB@Mail.ru>
Ïðè ïðî÷òåíèè BWT FAQ íàïîðîëñÿ âîò íà ÷òî: "Åñëè ñîpòèpîâàòü â äpóãîì
ïîpÿäêå - íå ñëåâà íàïpàâî, à ñïpàâà íàëåâî, óõóäøàåòñÿ ñæàòèå òåêñòîâûõ
ôàéëîâ ...."!
Òàê ìîæåò ÏÏÌ íà òåêñòàõ áóäåò äàâàòü ëó÷øèå ðåçóëüòàòû ïðè ïðîõîäå èç êîíöà
â íà÷àëî?
--- ifmail v.2.15dev5
* Origin: NeoToN (2:5020/400)
— RU.COMPRESS
From : Maxim Litvinov 2:5020/400 18 Jul 00 23:06:26
To : Bulat Ziganshin
Subj : Fileecho Annonce
From: "Maxim Litvinov" <limax@hot.ee>
Çäðàâñòâóé, "Bulat Ziganshin" <Bulat.Ziganshin@p126.f28.n5093.z2.fidonet.org>!
Òû ïèñàë(à):
> =============================================================================
> - GFD.APP.ARC (FTN| Application - Archivers *) ------------------------------
-
> ace20b1.exe 494,873 Archiver ACEv2.0b1 (DOS/Win32/OS2). Copyright by ACE
> Compression Software.
> îò 2:2490/3045 ÷åðåç 2:5049/36
> -----------------------------------------------------------------------------
-
> Total: 1 file(s) of 494,873 byte(s)
> =============================================================================
Ñîððè, åñëè ÷àéíèêîâñêèé âîïðîñ, íî êàê åãî èç èíåòà íàäûáàòü?
Hà ftp.elf.stuba.sk åãî íåò.
--
Âñåãî õîðîøåãî.
Maxim <limax@hot.ee>
--- ifmail v.2.15dev5
* Origin: Fidolook Express 2.000 www.fidolook.da.ru (2:5020/400)
— RU.COMPRESS
From : Maxim Litvinov 2:5020/400 18 Jul 00 23:47:21
To : Dima Petukhov
Subj : Re: Óïàêîâêà ñèãíàëà â real-time
From: "Maxim Litvinov" <limax@hot.ee>
Çäðàâñòâóé, "Dima Petukhov" <Dima.Petukhov@p12.f1517.n5020.z2.fidonet.org>! Òû
ïèñàë(à):
> 1. À ìîæåò ìîæíî áûëî è ïîâåæëèâåé?
Îê, â ñëåäóþùèé ðàç áóäó. :-)
Ñîððè, åñëè îáèäåë êîãî (íèêîãî íå õîòåë), ïðîñòî ó ìåíÿ ìàíåðà ãîâîðèòü òàêàÿ
("Ñâèíüè ìû"). :-/
> 2. Îïpåäåëÿþñü â òåpìèíàõ - íåîáõîäèìî ÷òîáû óïàêîâêà íå óâåëè÷èâàëà pàçìåp (
â
> áèòàõ åñëè î÷åíü ípàâèòñÿ) ïpè ëþáîì âõîäíîì ñèãíàëå. Ïàêóþòñÿ îòñ÷åòû
^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^
Òàêîå íåâîçìîæíî ïî îïðåäåëåíèþ. Òî÷íåå âðó, âîçìîæíî: ïðîñòî êîïèðîâàòü âõîä â
âûõîä (ìîæíî åãî çàêîäèðîâàòü), òîëüêî òóò è óïàêîâêè HÅ ÁÓÄÅÒ íèêîãäà :î)
> ôèêñèpîâàííîé áèòîâîé äëèíû, ïèøóòñÿ â ñëîâà äpóãîé áèòîâîé äëèíû (îïöèîíàëüí
î
> íà ýòàïå pàçpàáîòêè àëãîpèòìà). Äîáàâëåíèå ê _âñåì_ îòñ÷åòàì ëèøíèõ áèò íå
> âîëíóåò - íî â øòóêàõ êîë-âî âîçpàñòàòü íå äîëæíî íèêîãäà. È pàçóìååòñÿ â
îäíîì
Ñòðàííî, êîíå÷íî...
Òîëüêî îòêóäà òû èõ áðàòü ñîáèðàåøüñÿ?
Ïðåäñòàâü: íåóïàêîâàííûå äàííûå çàíèìàþò ñêàæåì 100 îò÷¸òîâ ïî 16 áèò = 200 Áàé
ò
= 1600 áèò
Ñêàæåì, ê ÊÀÆÄÎÌÓ îò÷¸òó ïðèáàâëÿåòñÿ 1 áèò. Òîãäà àáñîëþòíî íåïàêóþùèåñÿ äàííû
å
ñ äàííîé "óïàêîâêîé" çàéìóò 100*17=1700 áèò
Åñëè â îáîèõ ñëó÷àÿõ (è ñ óïàêîâêîé è áåç) èñïîëüçóåòñÿ îäíà è òà æå ïàìÿòü, òî
äàííûå áåç óïàêîâêè çàíèìàþò îäíîçíà÷íî ìåíüøå, ò.å. ïðîèñõîäèò óâåëè÷åíèå
ðàçìåðà äàííûõ.
Äðóãîå äåëî, åñëè íåóïàêîâàííûå äàííûå HÈÊÎÃÄÀ íå èñïîëüçóþò îäèí áèò â ÊÀÆÄÎÌ
îò÷¸òå (íàïðèìåð ñàìûé ñòàðøèé áèò).
Âîò òîãäà ýòîò óïàêîâî÷íûé overhead ñïîêîéíî òàì ðàçìåùàåòñÿ.
> âûõîäíîì ñëîâå äîëæíî áûòü íå áîëåå îäíîãî îòñ÷åòà (÷òîá íå âîçíèêàëî
> ïpåäëîæåíèé çàïèñàòü ïî 100 îòñ÷åòîâ â äëèííóþ ñòpîêó áèò :).
Ñëåäóÿ òâîåé ëîãèêå, òî êàê ðàç åñëè çàïèñàòü 200 áàéò (ïî 8 áèò) âî 100 ñëîâ
(ïî 16 áèò), òî ïðîèçîéä¸ò äâóõêðàòíîå óìåíüøåíèå ðàçìåðà äàííûõ. Ðàçìåð ñëîâà
âåäü ñòðîãî îãðàíè÷åííûé? Ñòðîãî - ðîâíî 16 áèò, è íèêîãäà íå âîçðàñòàåò. :-)
> Òåïåpü áîëåå ïîíÿòíî?
Êîðî÷å, ÿ ïîíÿë, ÷òî òû õîòåë ñêàçàòü, íî íåëüçÿ ÝÒÎ íàçûâàòü HÅÓÂÅËÈ×ÅHÈÅÌ
ðàçìåðà äàííûõ.
Hó äà ëàäíî. Ýòî óæå íå ìî¸ äåëî.
--
Âñåãî õîðîøåãî.
Maxim <limax@hot.ee>
--- ifmail v.2.15dev5
* Origin: Fidolook Express 2.000 www.fidolook.da.ru (2:5020/400)
— RU.COMPRESS
From : Vladimir Vassilevsky 2:5020/400 19 Jul 00 00:02:20
To : All
Subj : Re: Óïàêîâêà ñèãíàëà â real-time
Dima Petukhov wrote:
>
> VV> Ïåðâàÿ ñòóïåíü ñæàòèÿ: ËÏÊ-ïðåäñêàçàòåëü íåâûñîêîãî ïîðÿäêà (IMHO,
> VV> 2..3 áóäåò äîñòàòî÷íî). Ïðè÷åì ñàìè êîýôôèöèåíòû ËÏÊ ìîæíî âû÷èñëÿòü
> VV> ïî ïðåäûäóùèì çíà÷åíèÿì ñèãíàëà, à íå ïåðåäàâàòü â êàíàëå. Âòîðàÿ
> VV> ñòóïåíü ñæàòèÿ - Õàôôìàí ñ ôèêñèðîâàííûì äåðåâîì, ðàññ÷èòàííûì íà
> VV> Ãàóññîâñêóþ ñòàòèñòèêó.
>
> Îé, à ìîæíî ïî-ïîäpîáíåé ïpî ïpåäñêàçàòåëü è ÷òî ýòî çà ñòàòèñòèêà?
Äåëüòà-ìîäóëÿöèÿ (êîäèðîâàíèå ðàçíîñòè) - ýòî ïðåäñêàçàòåëü ïåðâîãî
ïîðÿäêà, ò.å. äëÿ ïðåäñêàçàíèÿ ñëåäóþùåãî èñïîëüçóåòñÿ îäèí ïðåäûäóùèé
îòñ÷åò. Ìîæíî ñòðîèòü ïðåäñêàçàòåëè N-íîãî ïîðÿäêà, ò.å. èñïîëüçîâàòü N
ïðåäûäóùèõ îòñ÷åòîâ äëÿ ïðåäñêàçàíèÿ. Hàïðèìåð, ïðåäñêàçàòåëü ïåðâîãî
ïîðÿäêà èäåàëüíî ïðåäñêàçûâàåò êîíñòàíòó, âòîðîãî ïîðÿäêà - ýêñïîíåíòû è
ñèíóñîèäû, áîëåå âûñîêèå ïîðÿäêè - áîëåå ñëîæíûå ñòàöèîíàðíûå ïðîöåññû.
Âû÷èñëåíèå êîýôôèöèåíòîâ ïðåäñêàçàíèÿ - äîñòàòî÷íî ñëîæíàÿ çàäà÷à,
êîòîðàÿ íå ëÿæåò â ïàëêó. Ïåðåäàâàòü íàäî òîëüêî òåêóùóþ îøèáêó
ïðåäñêàçàíèÿ. Ïðè äîñòàòî÷íî âûñîêîì ïîðÿäêå îøèáêà ïðåäñêàçàíèÿ
ÿâëÿåòñÿ [ïî÷òè] Ãàóññîâñêèì ñëó÷àéíûì ïðîöåññîì ñ ðàñïðåäåëåíèåì òèïà
exp(-x*x)
> Åñòü åùå èäåÿ pàçáèòü îòñ÷åò íà äâà (òpè) ïîëÿ (ñòàpøèå, ìëàäøèå áèòû) è
> ïàêîâàòü èõ îòäåëüíî. Ñòàpøèå óïàêóþòñÿ ïpèëè÷íî (íà íèõ øóì âëèÿåò íàìíîãî
> ñëàáåå). À ìëàäøèå íåïëîõî çàêîäèpóþòñÿ ìàëîáèòíîé äåëüòîé. Êàê èäåÿ?
Hàâåðíîå, ëó÷øå ïåðåä ýòèì ðàçäåëèòü ñèãíàë íà çíàê è àìïëèòóäó.
VLV
--- ifmail v.2.15dev5
* Origin: Demos online service (2:5020/400)
— RU.COMPRESS
From : Basil Zabairatsky 2:5084/38.8 19 Jul 00 00:22:17
To : Vova Orlov
Subj : exe pack
Çäðàñüòå, Vova!
18 Jul 00 08:37, Vova Orlov wrote to All:
VO> À ïî÷åìó ïàêîâàíàÿ win32 ïðîãðàììà â ïàìÿòè ìåñòà áîëüøå çàíèìàåò, ÷åì
VO> íåïàêîâàííàÿ?
Âèäèìî èç-çà ðåñóðñîâ.
Èëè ñóùåñòâóåò êàêîé-íèáóäü ðåàëüíûé ñïîñîá íå ðàñïàêîâûâàòü èõ âñå â ïàìÿòü
íà ñòàðòå?
À èç-ïîä ïàêîâàííûõ äàííûõ ïàìÿòü, êàê ïðàâèëî, îñâîáîæäàåòñÿ.
Âñÿêîãî Âàì! Basil.
--- GoldED/386 3.0.1
* Origin: Òóò ìû åãî è ñîæðàëè... (2:5084/38.8)
— RU.COMPRESS
From : Arkady Belousov 2:5020/400 19 Jul 00 00:39:33
To : All
Subj : Re: Ñæàòèå ïèñåì
Reply-To: hemul@mos.ru
Cc: Self <hemul@mos.ru>
Ñàëÿì!
Maxime Zakharov ïèøåò:
> http://sochi.net.ru/~maxime/compression.shtml
> http://www.compression-pointers.com
> http://www.hn.is.uec.ac.jp/~arimura/compression_links.html
> http://algo.4u.ru/ - Ðàçäåë "Êîìïðåññèÿ".
http://www.shomonopoly.com:8101/arctest
--
Best regards! Sincerely yours, Õåìóëü Ñîâåòèêóñ.
Óòîìë¸ííûé ÷àåì ëþáèòåëü ñëàäêîãî, â äåâè÷åñòâå Áèëüáî Ëåíèâ÷àòûé.
--- ifmail v.2.15dev5
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— RU.COMPRESS
From : Vadim Yoockin 2:5020/400 19 Jul 00 01:35:33
To : Michail Svarichevsky
Subj : Re: Ace 2.0b1 Re: Fileecho Annonce
Hello, Michail Svarichevsky ! You wrote:
> VY> À âîò è påçóëüòàòû íîâîãî Ace íà òåñòîâûõ äàííûõ.
> VY> Âñêîpå, íàâåpíîå, áóäó ïóáëèêîâàòü íîâûé âûïóñê CCT.
> VY> Òàê ÷òî, åñëè åñòü çàèíòåpåñîâàííûå êîìïpåññîpîïèñàòåëè... ;)
>À êóäà(Êîìó) èõ(àpõèâàòîpû) ñäàâàòü?
Ïðèñûëàé ìíå, òîëüêî íå âñå ñðàçó ;)
>PS. Ïpîñòî èíòåpåñóþñü :-)
Hó, âîò...
Âñåãî äîáðîãî,
Âàäèì.
yoockinv@mtu-net.ru
vy@thermosyn.com
--- ifmail v.2.15dev5
* Origin: Fidolook Express http://fidolook.da.ru (2:5020/400)
— RU.COMPRESS
From : ZAB 2:5020/400 19 Jul 00 01:47:44
To : All
Subj : ×åãî-òî ÿ íå âúåçæàþ!
Ïðè ïðî÷òåíèè BWT FAQ íàïîðîëñÿ íà: "Çà ñ÷åò óïpîùåíèÿ ïpîöåäópû ñîpòèpîâêè
óâåëè÷èâàåòñÿ ñêîpîñòü ñæàòèÿ ïî ñpàâíåíèþ ñ BWT, íî pàñæàòèå ñòàíîâèòñÿ
ìåäëåííåå èç-çà íåîáõîäèìîñòè îápàáîòêè îäèíàêîâûõ êîíòåêñòîâ"!
Ýòî ïðî ÷òî? Âåñü àëãîðèòì ðàñæàòèÿ ñòðîèòñÿ íà òîì, ÷òî 1 ñòîëáåö ìàòðèöû
áûë ñîðòèðîâàí, à íà òî áûëè ëè ñîðòèðîâàíû âñå îñòàëüíûå ñòîëáöû åìó
ãëóáîêî íà÷õàòü!? Ðàçâå íå òàê?
--- ifmail v.2.15dev5
* Origin: NeoToN (2:5020/400)
— RU.COMPRESS
From : ZAB 2:5020/400 19 Jul 00 01:47:44
To : All
Subj : Â êàêóþ ñòîðîíó ïóñêàòü ÏÏÌ?
Ïðè ïðî÷òåíèè BWT FAQ íàïîðîëñÿ âîò íà ÷òî: "Åñëè ñîpòèpîâàòü â äpóãîì
ïîpÿäêå - íå ñëåâà íàïpàâî, à ñïpàâà íàëåâî, óõóäøàåòñÿ ñæàòèå òåêñòîâûõ
ôàéëîâ ...."!
Òàê ìîæåò ÏÏÌ íà òåêñòàõ áóäåò äàâàòü ëó÷øèå ðåçóëüòàòû ïðè ïðîõîäå èç êîíöà
â íà÷àëî?
--- ifmail v.2.15dev5
* Origin: NeoToN (2:5020/400)
— RU.COMPRESS
From : Maxim Litvinov 2:5020/400 19 Jul 00 02:17:27
To : Bulat Ziganshin
Subj : Re: ace2
Ïðèâåòñòâóþ, "Bulat Ziganshin" <Bulat.Ziganshin@p126.f28.n5093.z2.fidonet.org>!
Âû ñîîáùèëè:
> c2[-] - v2.0 compression techniques
> toggles use of all ACE v2.0 compression techniques
> (delta, exe, pic, sound)
> attention: v2.0 archives can not be extracted by ACE v1.x
> === Cut ===
>
> ìîãó ïðåäïîëîæèòü, ÷òî ýòî òàáëè÷êè, e8, 24-bit mm, 8-bit mm ñîîòâåòñòâåííî.
> ïðîâåðÿòü ëåíü
À ìîæíî äëÿ íåçíàþùèõ ïîïîäðîáíåå?
e8 - ýòî ÷òî?
mm - êàê ÿ ïîíèìàþ ïðîñòî äîáàâëåí ïðåäâàðèòåëüíûé ôèëüòð, âû÷èñëÿþùèé ðàçíèöû
îòñ÷¸òîâ. Òàê?
--- ifmail v.2.15dev5
* Origin: Fidolook Express 2.000 www.fidolook.da.ru (2:5020/400)
— RU.COMPRESS
From : Maxim Litvinov 2:5020/400 19 Jul 00 02:25:33
To : All
Subj : Sorry :(
Ïðîøó ïðîùåíèÿ çà "ïèñüìà íå â òåìó", ïîñûëàë ïèñüìà äàâíî (äíÿ 3-4 òîìó), íî ó
ãåéòà ñâîè ïðîáëåìû, âîò è ëåçóò ïèñüìà ñ íåïðàâèëüíûì äàòàìè îòïðàâêè.
--
... fido7 - ýòî ãåéò ïëþñ ôèäîëóêèçàöèÿ âñåé ñòðàíû. (KSV)
--- ifmail v.2.15dev5
* Origin: Fidolook Express 2.000 www.fidolook.da.ru (2:5020/400)
— RU.COMPRESS
From : Vadim Yoockin 2:5020/400 19 Jul 00 09:13:13
To : ZAB
Subj : Re: Â êàêóþ ñòîðîíó ïóñêàòü ÏÏÌ?
Hello ZAB!
>Ïðè ïðî÷òåíèè BWT FAQ íàïîðîëñÿ âîò íà ÷òî: "Åñëè ñîpòèpîâàòü â äpóãîì
>ïîpÿäêå - íå ñëåâà íàïpàâî, à ñïpàâà íàëåâî, óõóäøàåòñÿ ñæàòèå òåêñòîâûõ
>ôàéëîâ ...."!
>Òàê ìîæåò ÏÏÌ íà òåêñòàõ áóäåò äàâàòü ëó÷øèå ðåçóëüòàòû ïðè ïðîõîäå èç
êîíöà
>â íà÷àëî?
Hàâåðíîå, è áóäåò. Hî íå ñòîëü çàìåòíî, êàê äëÿ BWT.
Âñåãî äîáðîãî,
Âàäèì.
--- ifmail v.2.15dev5
* Origin: Fidolook Express http://fidolook.da.ru (2:5020/400)
— RU.COMPRESS
From : Vadim Yoockin 2:5020/400 19 Jul 00 09:13:15
To : All
Subj : Re: ×åãî-òî ÿ íå âúåçæàþ!
Hello, ZAB ! You wrote:
>Ïðè ïðî÷òåíèè BWT FAQ íàïîðîëñÿ íà: "Çà ñ÷åò óïpîùåíèÿ ïpîöåäópû ñîpòèpîâêè
>óâåëè÷èâàåòñÿ ñêîpîñòü ñæàòèÿ ïî ñpàâíåíèþ ñ BWT, íî pàñæàòèå ñòàíîâèòñÿ
>ìåäëåííåå èç-çà íåîáõîäèìîñòè îápàáîòêè îäèíàêîâûõ êîíòåêñòîâ"!
>Ýòî ïðî ÷òî?
Ýòà ôðàçà îòíîñèòñÿ ê ST.
>Âåñü àëãîðèòì ðàñæàòèÿ ñòðîèòñÿ íà òîì, ÷òî 1 ñòîëáåö ìàòðèöû
>áûë ñîðòèðîâàí, à íà òî áûëè ëè ñîðòèðîâàíû âñå îñòàëüíûå ñòîëáöû åìó
>ãëóáîêî íà÷õàòü!? Ðàçâå íå òàê?
Êîíå÷íî, íå òàê. Ìåæäó ïðî÷èì, ïðåæäå ÷åì ñïðàøèâàòü, ìîã áû
è ñàì ïîïðîáîâàòü íà íåáîëüøîì êóñêå äàííûõ. Ýòî íå ñòîëü òðóäíî.
Âîçüìåì ñòðîêó 'aabaab' . Åñëè ñîðòèðîâàòü òîëüêî ïåðâûé ñòîëáåö,
â êà÷åñòâå âûõîäà ìîæåì ïîëó÷èòü ëþáóþ èç ñòðîê:
'bbaaaa', 'babaaa', 'baabaa', 'abbaaa', 'ababaa', 'aabbaa'.
Äëÿ BWT ýòî áóäåò ïåðâàÿ èç ïåðå÷èñëåííûõ, äëÿ ST(1) - âòîðàÿ.
Åñëè áû òâîå óòâåðæäåíèå áûëî áû âåðíûì, áûëî áû
îäíîçíà÷íîå ñîîòâåòñòâèå âõîäíûõ è âûõîäíûõ âàðèàíòîâ.
Ñëåäîâàòåëüíî, óòâåðæäåíèå ëîæíîå.
Âñåãî äîáðîãî,
Âàäèì.
--- ifmail v.2.15dev5
* Origin: Fidolook Express http://fidolook.da.ru (2:5020/400)
— RU.COMPRESS
From : Vadim Yoockin 2:5020/400 19 Jul 00 09:13:17
To : Bulat Ziganshin
Subj : Re: Ñæàòèå ïèñåì
Hello, Bulat Ziganshin ! You wrote:
> BZ>> íî åñëè òû õî÷åøü ñäåëàòü ïîáûñòðåå, òî ÿ òåáå íå ñîâåòóþ ýòèì
> BZ>> çàíèìàòüñÿ. ýòî âñåãî íåñêîëüêî ïðîöåíòîâ è ïðè ýòîì
> BZ>> íåîòðàáîòàííàÿ åùå òåõíîëîãèÿ. åñëè óæ åå èñïîëüçîâàòü, òî ïðîùå
> BZ>> âçÿòü ïðåîáðàçîâàíèÿ îäíîãî ïîëÿêà (íàðîä, êàê åãî çîâóò?) - îíè
> BZ>> äàþò âûèãðûø â òå æå íåñêîëüêî ïðîöåíòîâ è èñêëþ÷èòåëüíî ïðîñòû â
> BZ>> ðåàëèçàöèè
>
> DS> Ãäå âçÿòü îïèñàíèå?
>
>ó íàðîäà. âàäèì þêèí, íàïðèìåð, äîëæåí áûë ñ íèì îáùàòüñÿ. szymon
grabowski,
>ïðèìåðíî
Àãà, òàê åãî è çîâóò. Êñòàòè, äóìàþ, îí ýõó òîæå ïåðèîäè÷åñêè ÷èòàåò.
Áëàãî, ÿçûêè ïîõîæè.
À èäåÿ, ïðèìåíèìàÿ ê ñàáæó, ñëåäóþùàÿ - çàìåíèòü íåêîòîðûå ÷àñòî
âñòðå÷àåìûå ñî÷åòàíèÿ ñèìâîëîâ (â äàííîì ñëó÷àå ýòî ìîãóò áûòü
ôðàãìåíòû çàãîëîâêîâ, íàïðèìåð) íà ñèìâîëû, íèãäå íå èñïîëüçóåìûå
â òåêñòå. Èëè íå èñïîëüçóåìûå ñ òàêèìè æå êîíòåêñòàìè.
×òî óäîáíî, äåëàåòñÿ íà îòäåëüíîì ïðîõîäå è æìåòñÿ äàëåå
ëþáûì ìåòîäîì/àðõèâàòîðîì.
Ñî÷åòàíèÿ ñèìâîëîâ Szymon ïðåäïîëàãàåò çàøèâàòü â àëãîðèòì.
Ýòî îñâîáîæäàåò îò íåîáõîäèìîñòè õðàíèòü èõ â àðõèâå.
Âñåãî äîáðîãî,
Âàäèì.
--- ifmail v.2.15dev5
* Origin: Fidolook Express http://fidolook.da.ru (2:5020/400)
— RU.COMPRESS
From : Sergey Borodachev 2:5048/7.6 19 Jul 00 12:27:00
To : Pavel Kohan
Subj : Ïàðîëè RAR, ZIP
Hello, Pavel
17 Jul 00 16:40, Pavel Kohan wrote to All:
PK> Êóïèë äèñêè ñ êîìïîíåíòàìè äëÿ Delphi, BR, è äð, íî îíè (âîò áëèí!) â
PK> çàïàðîëåííûõ àðõèâàõ RAR è ZIP :-(( Hå ïîäñêàæåò ëè êòî-íèáóäü
PK> âîçìîæíûå ìåòîäû âçëîìà òàêèõ àðõèâîâ?
áðóòýôîðñ ;-)
With respect, Sergey.
--- GoldED+/386 1.1.3.2
* Origin: (2:5048/7.6)
— RU.COMPRESS
From : Anatoly Popov 2:5003/7.2 19 Jul 00 14:51:00
To : Bulat Ziganshin
Subj : Èñòîðèÿ ñ ãåîãðàôèåé ;)
Ïðèâåò, Bulat!
Âòp Èþë 18 2000, Bulat Ziganshin ïèøåò ê Anatoly Popov:
AP>> îòçûâ, ïðàâèëüíî ëè ÿ ïîíÿë ïðè÷èíó "îáäåëåííîñòè" çèïîâ
AP>> âñÿ÷åñêèìè ôè÷àìè (ïî ñðàâíåíèþ ñ ARJ, íàïðèìåð):
BZ> ïðè÷èíà - â õàðàêòåðå ÿíãà. øèëî â çàäíèöå. pkzip èìåë âïîëíå
BZ> ïðèëè÷íûé ïî ñâîèì âðåìåíàì íàáîð âîçìîæíîñòåé
Âî-ïåðâûõ, ðàáîòó ñ ìíîãîòîìíûìè àðõèâàìè íèêàê íåëüçÿ ñ÷èòàòü ÷åì-òî ýêçîòè÷åñ
êèì, à PKZIP/PKUNZIP ñ íèìè äî ñèõ ïîð íå äðóæèò. Åäèíñòâåííóþ ïðè÷èíó ýòîãî ÿ
âèæó â áîÿçíè íåñîâìåñòèìîñòè ñ çèïàìè íà áîëåå äðóãèõ ïëàòôîðìàõ. Ïîäòâåðæäåíè
å ýòîé ìûñëè ÿ è íàäåÿëñÿ óñëûøàòü.
Âî-âòîðûõ, óæ íå çíàþ, â êàêîì ìåñòå ó ßíãà øèëî ;))), íî ïðè âñåì îáèëèè ôè÷ ê
îå-÷åãî ñòðàííûì îáðàçîì íåäîñòàåò. Hàïðèìåð, ÿ áûë áû íå ïðîòèâ îïöèè, ñîðòèðó
þùåé ôàéëû íåïîñðåäñòâåííî ïðè àðõèâèðîâàíèè. Èëè ÿ ñëåïîé? Êðîìå òîãî, ó íåãî
åñòü àññîðòèìåíò îïöèé äëÿ ðàáîòû ñî ñòàðûìè/ìîëîäûìè ôàéëàìè, íî òàì íåò îáðàá
îòêè ôàéëîâ, ñîçäàííûõ áîëåå N äíåé íàçàä. Ìåíåå - åñòü, áîëåå - íåò :(((
Ïîêà
Àíàòîëèé
---
* Origin: Ñûêòûâêàð, Ðåñïóáëèêà Êîìè (2:5003/7.2)
— RU.COMPRESS
From : ZAB 2:5020/400 19 Jul 00 17:52:47
To : All
Subj : Re: ×åãî-òî ÿ íå âúåçæàþ!
From: "ZAB" <ZAnatolyB@Mail.ru>
Vadim Yoockin <vy@thermosyn.com> ñîîáùèë â íîâîñòÿõ
ñëåäóþùåå:8l3gso$1fls$2@news.kiev.sovam.com...
> Hello, ZAB ! You wrote:
>
> >Ïðè ïðî÷òåíèè BWT FAQ íàïîðîëñÿ íà: "Çà ñ÷åò óïpîùåíèÿ ïpîöåäópû
ñîpòèpîâêè
> >óâåëè÷èâàåòñÿ ñêîpîñòü ñæàòèÿ ïî ñpàâíåíèþ ñ BWT, íî pàñæàòèå ñòàíîâèòñÿ
> >ìåäëåííåå èç-çà íåîáõîäèìîñòè îápàáîòêè îäèíàêîâûõ êîíòåêñòîâ"!
> >Ýòî ïðî ÷òî?
>
> Ýòà ôðàçà îòíîñèòñÿ ê ST.
>
> >Âåñü àëãîðèòì ðàñæàòèÿ ñòðîèòñÿ íà òîì, ÷òî 1 ñòîëáåö ìàòðèöû
> >áûë ñîðòèðîâàí, à íà òî áûëè ëè ñîðòèðîâàíû âñå îñòàëüíûå ñòîëáöû åìó
> >ãëóáîêî íà÷õàòü!? Ðàçâå íå òàê?
>
> Êîíå÷íî, íå òàê. Ìåæäó ïðî÷èì, ïðåæäå ÷åì ñïðàøèâàòü, ìîã áû
> è ñàì ïîïðîáîâàòü íà íåáîëüøîì êóñêå äàííûõ. Ýòî íå ñòîëü òðóäíî.
>
> Âîçüìåì ñòðîêó 'aabaab' . Åñëè ñîðòèðîâàòü òîëüêî ïåðâûé ñòîëáåö,
> â êà÷åñòâå âûõîäà ìîæåì ïîëó÷èòü ëþáóþ èç ñòðîê:
> 'bbaaaa', 'babaaa', 'baabaa', 'abbaaa', 'ababaa', 'aabbaa'.
> Äëÿ BWT ýòî áóäåò ïåðâàÿ èç ïåðå÷èñëåííûõ, äëÿ ST(1) - âòîðàÿ.
> Åñëè áû òâîå óòâåðæäåíèå áûëî áû âåðíûì, áûëî áû
> îäíîçíà÷íîå ñîîòâåòñòâèå âõîäíûõ è âûõîäíûõ âàðèàíòîâ.
> Ñëåäîâàòåëüíî, óòâåðæäåíèå ëîæíîå.
Hî ÿ âñ¸ æå íå ïîíèìàþ â ÷¸ì ïðîáëåìà (ãäå çàäåðæêà?), â ST(1)! Êñòàòè ãäå
ìîæíî íàéòè îïèñàíèå ðàáîòû ST ñ áîëüøèìè ãëóáèíàìè ñîðòèðîâêè? Ñàì Øèíäëåð
ñêàçàë, ÷òî äëÿ 2 íóæíî ÷òî òî åù¸ ñäàëàòü ñ äàííûìè, íî ÷òî? Ïîíÿòü ïî
èñõîäíèêàì ÿ íå ñìîã, à èñõîäíèêîâ äëÿ 4 è âûøå âîîáùå íå íàø¸ë!
--- ifmail v.2.15dev5
* Origin: NeoToN (2:5020/400)
— RU.COMPRESS
From : Vadim Yoockin 2:5020/400 19 Jul 00 18:17:06
To : ZAB
Subj : Re: ×åãî-òî ÿ íå âúåçæàþ!
From: "Vadim Yoockin" <vy@thermosyn.com>
Hello, ZAB ! You wrote:
>> >Ïðè ïðî÷òåíèè BWT FAQ íàïîðîëñÿ íà: "Çà ñ÷åò óïpîùåíèÿ ïpîöåäópû
>ñîpòèpîâêè
>> >óâåëè÷èâàåòñÿ ñêîpîñòü ñæàòèÿ ïî ñpàâíåíèþ ñ BWT, íî pàñæàòèå ñòàíîâèòñÿ
>> >ìåäëåííåå èç-çà íåîáõîäèìîñòè îápàáîòêè îäèíàêîâûõ êîíòåêñòîâ"!
>> >Ýòî ïðî ÷òî?
>Hî ÿ âñ¸ æå íå ïîíèìàþ â ÷¸ì ïðîáëåìà (ãäå çàäåðæêà?), â ST(1)!
À-à... âîò òû ïðî ÷òî... Èìåííî â st(1), êîíå÷íî, íåòó.
 st(6), ê ïðèìåðó, äà íà áîëüøîì òåêñòå - åñòü.
>Êñòàòè ãäå ìîæíî íàéòè îïèñàíèå ðàáîòû ST ñ áîëüøèìè ãëóáèíàìè ñîðòèðîâêè?
www.compressconsult.com , ãäå æ åùå.
Hî, ìåæäó íàìè, ÷òî íåïîíÿòíîãî â ñîðòèðîâêå ñòðîê ïî ïåðâûì
N ñèìâîëàì, ïðè óñëîâèè, ÷òî ñòðîêè ñ îäèíàêîâûìè çíà÷åíèÿìè
êëþ÷à ðàçìåùàþòñÿ â ïîðÿäêå ïîñòóïëåíèÿ? ;)
>Ñàì Øèíäëåð
>ñêàçàë, ÷òî äëÿ 2 íóæíî ÷òî òî åù¸ ñäàëàòü ñ äàííûìè, íî ÷òî? Ïîíÿòü ïî
>èñõîäíèêàì ÿ íå ñìîã, à èñõîäíèêîâ äëÿ 4 è âûøå âîîáùå íå íàø¸ë!
Hàäî ïîñòàðàòüñÿ è ïîíÿòü ;) ×òî êàñàåòñÿ, èñõîäíèêîâ st(4+), îíè, âðîäå
êàê, íå ðàçäàþòñÿ. Hî òàì è îñîáî ñëîæíîãî íåòó.
Âñåãî äîáðîãî,
Âàäèì.
--- ifmail v.2.15dev5
* Origin: Fidolook Express http://fidolook.da.ru (2:5020/400)
— RU.COMPRESS
From : Dmitry Shkarin 2:5020/400 19 Jul 00 18:45:48
To : All
Subj : Re: ×òî-òî ñòpàííîå ñ ïîpÿäêîì ìîäåëè â PPM
From: "Dmitry Shkarin" <dmitry.shkarin@mtu-net.ru>
Hi, Andrew!
>* Hà ìàëåíüêèõ ôàéëàõ (<100K) â PPM ëó÷øå èñïîëüçîâàòü êîíòåêñòíûå ìîäåëè
>áîëüøèõ ïîpÿäêîâ (íàïpèìåp, 10). À âîò íà áîëüøèõ ôàéëàõ (>500K) ëó÷øèé
>påçóëüòàò äàþò êîíòåêñòíûå ìîäåëè ìåíüøèõ ïîpÿäêîâ (íàïpèìåp, 5-6).
>
>Âîïpîñ: Ïî÷åìó òàê? Ýòî òîëüêî â ìîåì PPM, èëè âî âñåõ?
>
>* ß äóìàþ, ïpîáëåìà ñâÿçàíà ñ ïåpåïîëíåíèåì äåpåâà êîíòåêñòîâ. Ïpè
ïåpåïîëíåíèè
>îíî ó ìåíÿ îápåçàåòñÿ, ïpè÷åì îápåçàþòñÿ ñàìûå äëèííûå âåòâè. Òàê âîò, ïpè
>èñïîëüçîâàíèè êîíòåêñòíûõ ìîäåëåé áîëüøèõ ïîpÿäêîâ äåpåâî áûñòpî
ïåpåïîëíÿåòñÿ,
>çàáèâàåòñÿ påäêî èñïîëüçóåìûìè (íèêîãäà áîëüøå íå èñïîëüçóåìûìè)
êîíòåêñòàìè.
>Ïîñêîëüêó äåpåâî ÷èñòèòñÿ ïpè ïåpåõîäå ê ñëåäóþùåìó ôàéëó, òî íà ìàëåíüêèõ
>ôàéëàõ ýòîò ýôôåêò íå âîçíèêàåò.  îòëè÷èå îò.
Òû îáðåçàë íîäû ñîäåðæàùèå ñàìóþ àêòóàëüíóþ èíôîðìàöèþ, òàê ÷òî - ÷åãî
òóò óäèâëÿòüñÿ? Hà ñàìîì äåëå íàîáîðîò - ÷åì áîëüøå ôàéë, òåì âûãîäíåå
èñïîëüçîâàòü ìîäåëè âûñîêîãî ïîðÿäêà.
>Âîïpîñ: ×òî äåëàòü? Èëè åñòü äpóãèå ñîîápàæåíèÿ íàñ÷åò ýòîãî ýôôåêòà?
Ñäåëàòü LRU-î÷åðåäü êîíòåêñòîâ.
--- ifmail v.2.15dev5
* Origin: home (2:5020/400)
— RU.COMPRESS
From : Dmitry Shkarin 2:5020/400 19 Jul 00 18:45:50
To : All
Subj : Re: Â êàêóþ ñòîðîíó ïóñêàòü ÏÏÌ?
From: "Dmitry Shkarin" <dmitry.shkarin@mtu-net.ru>
Hi, ZAB!
>Ïðè ïðî÷òåíèè BWT FAQ íàïîðîëñÿ âîò íà ÷òî: "Åñëè ñîpòèpîâàòü â äpóãîì
>ïîpÿäêå - íå ñëåâà íàïpàâî, à ñïpàâà íàëåâî, óõóäøàåòñÿ ñæàòèå òåêñòîâûõ
>ôàéëîâ ...."!
>Òàê ìîæåò ÏÏÌ íà òåêñòàõ áóäåò äàâàòü ëó÷øèå ðåçóëüòàòû ïðè ïðîõîäå èç
êîíöà
>â íà÷àëî?
Ñ òî÷íîñòüþ äî 0.1% îøèáêè - áåç ðàçíèöû, ðàçíèöà áóäåò òîëüêî íà
ìíîãîáàéòíûõ ÷èñëîâûõ äàííûõ (å8 òðþê).
ÇÛ À ñîîáùåíèÿ äóáëèðóåøü - ÷òîáû òðàôôèê ïîäíÿòü? ;-)
--- ifmail v.2.15dev5
* Origin: home (2:5020/400)
— RU.COMPRESS
From : ZAB 2:5020/400 19 Jul 00 19:16:00
To : All
Subj : Re: ×åãî-òî ÿ íå âúåçæàþ!
From: "ZAB" <ZAnatolyB@Mail.ru>
Vadim Yoockin <vy@thermosyn.com> ñîîáùèë â íîâîñòÿõ
ñëåäóþùåå:8l4d89$1ifn$1@news.kiev.sovam.com...
> Hello, ZAB ! You wrote:
>
> >> >Ïðè ïðî÷òåíèè BWT FAQ íàïîðîëñÿ íà: "Çà ñ÷åò óïpîùåíèÿ ïpîöåäópû
> >ñîpòèpîâêè
> >> >óâåëè÷èâàåòñÿ ñêîpîñòü ñæàòèÿ ïî ñpàâíåíèþ ñ BWT, íî pàñæàòèå
ñòàíîâèòñÿ
> >> >ìåäëåííåå èç-çà íåîáõîäèìîñòè îápàáîòêè îäèíàêîâûõ êîíòåêñòîâ"!
> >> >Ýòî ïðî ÷òî?
>
> >Hî ÿ âñ¸ æå íå ïîíèìàþ â ÷¸ì ïðîáëåìà (ãäå çàäåðæêà?), â ST(1)!
>
> À-à... âîò òû ïðî ÷òî... Èìåííî â st(1), êîíå÷íî, íåòó.
> Â st(6), ê ïðèìåðó, äà íà áîëüøîì òåêñòå - åñòü.
>
> >Êñòàòè ãäå ìîæíî íàéòè îïèñàíèå ðàáîòû ST ñ áîëüøèìè ãëóáèíàìè
ñîðòèðîâêè?
>
> www.compressconsult.com , ãäå æ åùå.
> Hî, ìåæäó íàìè, ÷òî íåïîíÿòíîãî â ñîðòèðîâêå ñòðîê ïî ïåðâûì
> N ñèìâîëàì, ïðè óñëîâèè, ÷òî ñòðîêè ñ îäèíàêîâûìè çíà÷åíèÿìè
> êëþ÷à ðàçìåùàþòñÿ â ïîðÿäêå ïîñòóïëåíèÿ? ;)
Âîò ÿ òîëüêî íå ïîíèìàþ êàêèå êîëîíöè ìàòðèöû èñïîëüçóþòñÿ (ïåðâàÿ è
êàêàÿ?)! Ò.å. â ST(1) èñïîëüçóåòñÿ 2, à â ST(2+) êàêóþ èñïîëüçîâàòü? È êàê
ïîòîì âîññòàíàâëèâàòü?
> >Ñàì Øèíäëåð
> >ñêàçàë, ÷òî äëÿ 2 íóæíî ÷òî òî åù¸ ñäàëàòü ñ äàííûìè, íî ÷òî? Ïîíÿòü ïî
> >èñõîäíèêàì ÿ íå ñìîã, à èñõîäíèêîâ äëÿ 4 è âûøå âîîáùå íå íàø¸ë!
>
> Hàäî ïîñòàðàòüñÿ è ïîíÿòü ;) ×òî êàñàåòñÿ, èñõîäíèêîâ st(4+), îíè, âðîäå
> êàê, íå ðàçäàþòñÿ. Hî òàì è îñîáî ñëîæíîãî íåòó.
Ñì. âûøå.
--- ifmail v.2.15dev5
* Origin: NeoToN (2:5020/400)
— RU.COMPRESS
From : Roman Trunov 2:5022/2 20 Jul 00 07:27:50
To : Vova Orlov
Subj : exe pack
Hello Vova!
VO> À ïî÷åìó ïàêîâàíàÿ win32 ïðîãðàììà â ïàìÿòè ìåñòà áîëüøå çàíèìàåò, ÷åì
VO> íåïàêîâàííàÿ?
Ñ îáû÷íîé ïðîãðàììîé ìåíåäæåð ïàìÿòè ìîæåò à) íå ÷èòàòü íóæíûé êóñîê
êîäà ñ äèñêà, ïîêà èñïîëíåíèå íå äîéäåò äî ýòîãî ìåñòà; á) ïðè íåõâàòêå
ïàìÿòè íå çàñîâûâàòü ñòðàíèöó â ñâîï, à ïðîñòî âûêèíóòü -- åå
ñîäåðæèìîå íåèçìåííî è âñåãäà ì.á. ïåðå÷èòàíî èç èñõîäíîãî ôàéëà; â)
äëÿ íåñêîëüêèõ êîïèé çàïóùåííîé ïðîãðàììû èëè DLL èñïîëüçîâàòü îäèí è
òîò æå êóñîê ôèçè÷åñêîé ïàìÿòè äëÿ õðàíåíèé êîäà -- ñîäåðæèìîå æå
îäèíàêîâîå. Âñå ýòî ýêîíîìèò ôèçè÷åñêóþ ïàìÿòü è âðåìÿ.
Ïàêîâàííàÿ ïðîãðàììà äîëæíà ðàñïàêîâàòüñÿ öåëèêîì -- ìåíåäæåð ïàìÿòè
äîëæåí âûäåëèòü ôèçè÷åñêîé ïàìÿòè ïîä _ïîëíûé_ îáúåì ïðîãðàììû;
ñòðàíèöû, êóäà ðàñïàêîâàëîñü, óæå íå ìîãóò áûòü ïðîñòî òàê âûêèíóòû èç
ïàìÿòè -- â íèõ æå _ïèñàëîñü_, ìåíåäæåð òåïåðü îáÿçàí ñëèâàòü èõ ñâîï.
Ïóíêò (â) âîîáùå îòïàäàåò -- ðàç â ñòðàíèöû ïèñàëîñü, áóäåì äåðæàòü
ñâîþ êîïèþ äëÿ êàæäîãî ýêçåìïëÿðà ïðîãðàììû/DLL.
Ïîýòîìó ïàêîâàòü áîëüøèå ïàêåòû òèïà îôèñà èëè ñèñòåìíûå DLL --
ñàìîóáèéñòâî. Òðåáîâàíèÿ ê ôèçè÷åñêîé ïàìÿòè âîçðàñòàþò â íåñêîëüêî ðàç.
Ýòèõ îãðàíè÷åíèé íåò, íàñêîëüêî ÿ çíàþ, òîëüêî â OS/2, ãäå
ðàñïàêîâêà ñòðàíèö âñòðîåíà â ñàìî ÿäðî, â ìåíåäæåð ïàìÿòè.
Roman
--- Blue Wave/OS2 v2.30
* Origin: Peak Power BBS (2:5022/2)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/28.126 20 Jul 00 07:55:31
To : Serg Tikhomirov
Subj : FAQServer start (manual mode ;)
*** Answering a msg posted in area CARBON_COPIES (CARBON_COPIES).
* Originally in RU.COMPRESS
Hello Serg!
Sunday July 16 2000, Serg Tikhomirov writes to Bulat Ziganshin:
ST>> ïåpèîäè÷åñêîì ïîìåùåíèè â ýõó îòâåòîâ íà ÷àñòî çàäàâàåìûå
ST>> âîïpîñû.
BZ>> åñëè òû ñäåëàåøü åùå è êëàññè÷åñêèé ôàê-ñåpâåp è åãî çåpêàëî â
BZ>> èíåòå - áóäåò åùå êpó÷å
ST> Hó, íå âñ¸ ñpàçó ;). Ñ èíåòîì, êñòàòè, ïpîùå. Hå ïîýòîìó ëè òàì
ST> ýõîòàæíóþ èíôîpìàöèþ íàéòè ïpîùå, ÷åì â ÔÈÄÎ? Äà, íàñ÷¸ò òåìàòèêè
ST> íèêàêèõ ïpåäëîæåíèé è çàìå÷àíèé ó òåáÿ íåò?
ÿ äóìàþ, ãëàâíîå - ññûëêè. ïëþñ äàéäæåñò èíòåðåñíûõ ñòàòåé èç ýõè. ñ îðèåíòàöèå
é íà íîâè÷êîâ, ïîñêîëüêó ñïåöû óæ êàê-íèáóäü ïîðîþòñÿ, ïîñïðàøèâàþò è íàéäóò èí
ôó â òîì æå èíåòå èëè ïî ïåðåïèñêå. à íîâè÷êîâ ìíîãî è íà èõ ïðîñòåíüêèå âîïðîñ
û
íèêîìó îòâå÷àòü íåîõîòà. è èì íóæíà èíôà â ëåãêî óñâàèâàåìîì âèäå
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
... Èíîãäà äëÿ òîãî, ÷òîáû èçìåíèòü ñâîå âîñïðèÿòèå ìèðà,
... ëþäè ïûòàþòñÿ èçìåíèòü ñàì ìèð
--- GoldED+/W32 1.1.2
* Origin: À ÷åì çàíèìàåòñÿ õåðîìàíòèÿ? (2:5093/28.126)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/28.126 20 Jul 00 08:29:03
To : Anatoly Popov
Subj : Èñòîðèÿ ñ ãåîãðàôèåé ;)
*** Answering a msg posted in area CARBON_COPIES (CARBON_COPIES).
* Originally in RU.COMPRESS
Hello Anatoly!
Wednesday July 19 2000, Anatoly Popov writes to Bulat Ziganshin:
AP> Âî-ïåðâûõ, ðàáîòó ñ ìíîãîòîìíûìè àðõèâàìè íèêàê íåëüçÿ ñ÷èòàòü ÷åì-òî
AP> ýêçîòè÷åñêèì, à PKZIP/PKUNZIP ñ íèìè äî ñèõ ïîð íå äðóæèò.
pk ñäåëàë ìíîãîòîìíîñòü îäíèì èç ïåðâûõ. îíà îêàçàëàñü äîâîëüíî äóðàöêîé, íî íå
ïåðåäåëûâàòü æå. äîáàâü ê ýòîìó åãî íå ñëèøêîì áîëüøóþ àêòèâíîñòü ïîñëå âûõîäà
2.04 - ÿ äóìàþ, îí óæå òîãäà íà÷àë ïèòü
AP> Åäèíñòâåííóþ ïðè÷èíó ýòîãî ÿ âèæó â áîÿçíè íåñîâìåñòèìîñòè ñ çèïàìè
AP> íà áîëåå äðóãèõ ïëàòôîðìàõ. Ïîäòâåðæäåíèå ýòîé ìûñëè ÿ è íàäåÿëñÿ
AP> óñëûøàòü.
äóìàþ, åìó íà ýòî áûëî ñòî ðàç íàïëåâàòü
AP> Âî-âòîðûõ, óæ íå çíàþ, â êàêîì ìåñòå ó ßíãà øèëî ;))), íî ïðè âñåì
AP> îáèëèè ôè÷ êîå-÷åãî ñòðàííûì îáðàçîì íåäîñòàåò. Hàïðèìåð, ÿ áûë áû íå
AP> ïðîòèâ îïöèè, ñîðòèðóþùåé ôàéëû íåïîñðåäñòâåííî ïðè àðõèâèðîâàíèè. Èëè
AP> ÿ ñëåïîé? Êðîìå òîãî, ó íåãî åñòü àññîðòèìåíò îïöèé äëÿ ðàáîòû ñî
AP> ñòàðûìè/ìîëîäûìè ôàéëàìè, íî òàì íåò îáðàáîòêè ôàéëîâ, ñîçäàííûõ áîëåå
AP> N äíåé íàçàä. Ìåíåå - åñòü, áîëåå - íåò :(((
â arjz åñòü :)
îí äåëàë ÷òî ïðîñèëè. êó÷à ñîâåðøåííî ôàíòàñòè÷åñêèõ îïöèé íà ñëó÷àé "åñëè âû ï
îïàäåòå íà ìàðñ â îáùåñòâå êðàñèâîé áëîíäèíêè è ïîëèöåéñêîãî"
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
... Èíîãäà äëÿ òîãî, ÷òîáû èçìåíèòü ñâîå âîñïðèÿòèå ìèðà,
... ëþäè ïûòàþòñÿ èçìåíèòü ñàì ìèð
--- GoldED+/W32 1.1.2
* Origin: À ÷åì çàíèìàåòñÿ õåðîìàíòèÿ? (2:5093/28.126)
— RU.COMPRESS
From : Serguey Zefirov 2:5020/313.9 20 Jul 00 08:54:44
To : Sergey Borodachev
Subj : Ïàðîëè RAR, ZIP
Zdorovenki bulji,(Hi! in other words) Sergey!
PK>> Êóïèë äèñêè ñ êîìïîíåíòàìè äëÿ Delphi, BR, è äð, íî îíè (âîò
PK>> áëèí!) â çàïàðîëåííûõ àðõèâàõ RAR è ZIP :-(( Hå ïîäñêàæåò ëè
PK>> êòî-íèáóäü âîçìîæíûå ìåòîäû âçëîìà òàêèõ àðõèâîâ?
SB> áðóòýôîðñ ;-)
Äëÿ ZIP åñòü ìåòîä äëÿ èçâåñòíîãî íåçàøèôðîâàíîãî òåêñòà (íå íåçàïàêîâàííîãî, à
èìåííî çàïàêîâàííîãî è íåçàøèôðîâàíîãî;).
buy! [D.U.L.S.-E.N.I.] /
sz [I.S.A.]
... Â ãîäó 3.155*10^7 ñåêóíä, òå, ÏÈ ñåêóíä pàâíÿåòñÿ îäíîìó íàíîâåêó.
--- Web Exploiter 2.50
* Origin: -=¨ The Gate To The Only Reality ¨=- (2:5020/313.9)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/28.126 20 Jul 00 09:55:32
To : Zab
Subj : ×åãî-òî ÿ íå âúåçæàþ!
* Originally in RU.COMPRESS
Hello ZAB!
Tuesday July 18 2000, ZAB writes to All:
Z> Ïðè ïðî÷òåíèè BWT FAQ íàïîðîëñÿ íà: "Çà ñ÷åò óïpîùåíèÿ ïpîöåäópû
Z> ñîpòèpîâêè óâåëè÷èâàåòñÿ ñêîpîñòü ñæàòèÿ ïî ñpàâíåíèþ ñ BWT, íî
Z> pàñæàòèå ñòàíîâèòñÿ ìåäëåííåå èç-çà íåîáõîäèìîñòè îápàáîòêè îäèíàêîâûõ
Z> êîíòåêñòîâ"! Ýòî ïðî ÷òî? Âåñü àëãîðèòì ðàñæàòèÿ ñòðîèòñÿ íà òîì, ÷òî
Z> 1 ñòîëáåö ìàòðèöû áûë ñîðòèðîâàí, à íà òî áûëè ëè ñîðòèðîâàíû âñå
Z> îñòàëüíûå ñòîëáöû åìó ãëóáîêî íà÷õàòü!? Ðàçâå íå òàê?
àëîãðèòì ðàñæàòèÿ bwt ñòðîèòñÿ íà òîì, ÷òî ñòðîêè áûëè îòñîðòèðîâàíû ïî ñâîåé ï
îëíîé äëèíå (âñåì ñòîëáöàì). àëãîðèòì st ñòðîèòñÿ íà ñîðòèðîâêå ïî ôèêñèðîâàííî
ìó êîë-âó ñòîëáöîâ + ïîçèöèè
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
... Èíîãäà äëÿ òîãî, ÷òîáû èçìåíèòü ñâîå âîñïðèÿòèå ìèðà,
... ëþäè ïûòàþòñÿ èçìåíèòü ñàì ìèð
--- GoldED+/W32 1.1.2
* Origin: À ÷åì çàíèìàåòñÿ õåðîìàíòèÿ? (2:5093/28.126)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/28.126 20 Jul 00 09:57:17
To : Zab
Subj : Â êàêóþ ñòîðîíó ïóñêàòü ÏÏÌ?
* Originally in RU.COMPRESS
Hello ZAB!
Tuesday July 18 2000, ZAB writes to All:
Z> òåêñòîâûõ ôàéëîâ ...."! Òàê ìîæåò ÏÏÌ íà òåêñòàõ áóäåò äàâàòü ëó÷øèå
Z> ðåçóëüòàòû ïðè ïðîõîäå èç êîíöà â íà÷àëî?
ïðîãðàììèòü óìååøü? âîò è ïðîâåðü. ñëîæíîñòü â òîì, ÷òî ó ppm íå áëîêîâûé õàðàê
òåð
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
... Èíîãäà äëÿ òîãî, ÷òîáû èçìåíèòü ñâîå âîñïðèÿòèå ìèðà,
... ëþäè ïûòàþòñÿ èçìåíèòü ñàì ìèð
--- GoldED+/W32 1.1.2
* Origin: À ÷åì çàíèìàåòñÿ õåðîìàíòèÿ? (2:5093/28.126)
— RU.COMPRESS
From : Vadim Yoockin 2:5020/1042.50 20 Jul 00 23:42:36
To : Zab
Subj : Re: Â êàêóþ ñòîðîíó ïóñêàòü ÏÏÌ?
Ïpèâåòñòâóþ, Zab!
20 Jul 00, Bulat Ziganshin ïèñàë ê Zab:
Z>> òåêñòîâûõ ôàéëîâ ...."! Òàê ìîæåò ÏÏÌ íà òåêñòàõ áóäåò äàâàòü ëó÷øèå
Z>> ðåçóëüòàòû ïðè ïðîõîäå èç êîíöà â íà÷àëî?
BZ> ïðîãðàììèòü óìååøü? âîò è ïðîâåðü. ñëîæíîñòü â òîì, ÷òî ó ppm íå áëîêîâûé
BZ> õàðàêòåð
Èëè ïðîñòî ïåðåâåðíè ôàéë çàäîì íàïåðåä è ñîæìè PPM'îì...
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,yoockinv@mail.ru,ICQ:44536013 (2:5020/1042.50)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/27.61 21 Jul 00 14:34:29
To : Maxim Litvinov
Subj : ace2
*** Answering a msg posted in area CARBON_COPIES (CARBON_COPIES).
* Originally in RU.COMPRESS
Hello Maxim!
Wednesday July 19 2000, Maxim Litvinov writes to Bulat Ziganshin:
ML> e8 - ýòî ÷òî?
íàéäè cabarc sdk è ïîñìîòðè åãî äîêó. cab-sdk.exe
ML> mm - êàê ÿ ïîíèìàþ ïðîñòî äîáàâëåí ïðåäâàðèòåëüíûé ôèëüòð,
ML> âû÷èñëÿþùèé ðàçíèöû îòñ÷¸òîâ. Òàê?
àãà. òîëüêî ÷òî âñå ýòî åñòü â ace - ëèøü ìîè ïðåäïîëîæåíèÿ
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
--- GoldED+/W32 1.1.2
* Origin: Windows 2000: ìû äîáàâèëè 1905 íîâûõ ãëþêîâ! (2:5093/27.61)
— RU.COMPRESS
From : Sergey Borodachev 2:5048/7.6 21 Jul 00 23:52:00
To : Serguey Zefirov
Subj : Ïàðîëè RAR, ZIP
*** Reply from MY.MAIL (MY.MAIL).
Hello, Serguey
20 Jul 00 08:54, Serguey Zefirov wrote to Sergey Borodachev:
PK>>> Êóïèë äèñêè ñ êîìïîíåíòàìè äëÿ Delphi, BR, è äð, íî îíè (âîò
PK>>> áëèí!) â çàïàðîëåííûõ àðõèâàõ RAR è ZIP :-(( Hå ïîäñêàæåò ëè
PK>>> êòî-íèáóäü âîçìîæíûå ìåòîäû âçëîìà òàêèõ àðõèâîâ?
SB>> áðóòýôîðñ ;-)
SZ> Äëÿ ZIP åñòü ìåòîä äëÿ èçâåñòíîãî íåçàøèôðîâàíîãî òåêñòà (íå
SZ> íåçàïàêîâàííîãî, à èìåííî çàïàêîâàííîãî è íåçàøèôðîâàíîãî;).
Êîðî÷å îí ðàáîòàåò òîëüêî åñëè åñòü ôàéë èç àðõèâà â íåçàïàêîâàííîì âèäå. ;-)
With respect, Sergey.
--- GoldED+/386 1.1.3.2
* Origin: (2:5048/7.6)
— RU.COMPRESS
From : Andrew Belov 2:5020/181.2 22 Jul 00 00:28:28
To : Anatoly Popov
Subj : Èñòîðèÿ ñ ãåîãðàôèåé ;)
Hello Anatoly!
19 Jul 00 14:51, Anatoly Popov wrote to Bulat Ziganshin:
AP> Âî-âòîðûõ, óæ íå çíàþ, â êàêîì ìåñòå ó ßíãà øèëî ;))), íî ïðè âñåì
AP> îáèëèè ôè÷ êîå-÷åãî ñòðàííûì îáðàçîì íåäîñòàåò. Hàïðèìåð, ÿ áûë áû íå
AP> ïðîòèâ îïöèè, ñîðòèðóþùåé ôàéëû íåïîñðåäñòâåííî ïðè àðõèâèðîâàíèè. Èëè
AP> ÿ ñëåïîé?
Ó àâòîpà ìíîãî ýíåpãèè yøëî íà pàçpàáîòêy àëãîpèòìîâ êåøèpîâàíèÿ/õåøèpîâàíèÿ ôà
éë-ëèñòîâ, íà ñîpòèpîâêy òàì yæå ñèë íå îñòàëîñü.
AP> Êðîìå òîãî, ó íåãî åñòü àññîðòèìåíò îïöèé äëÿ ðàáîòû ñî
AP> ñòàðûìè/ìîëîäûìè ôàéëàìè, íî òàì íåò îáðàáîòêè ôàéëîâ, ñîçäàííûõ
AP> áîëåå N äíåé íàçàä. Ìåíåå - åñòü, áîëåå - íåò :(((
À ýòî åñòü: -odb<N>.
Sincerely yours - Andrew
---
* Origin: ARJ Software Russia (2:5020/181.2)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/28.126 22 Jul 00 07:26:18
To : Andrew Belov
Subj : Èñòîðèÿ ñ ãåîãðàôèåé ;)
* Originally in RU.COMPRESS
Hello Andrew!
Saturday July 22 2000, Andrew Belov writes to Anatoly Popov:
AB> Ó àâòîpà ìíîãî ýíåpãèè yøëî íà pàçpàáîòêy àëãîpèòìîâ
AB> êåøèpîâàíèÿ/õåøèpîâàíèÿ ôàéë-ëèñòîâ,
à çà÷åì îíè òàì õåøèðóþòñÿ? äëÿ áûñòðîãî ïîèñêà?
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
... Èíîãäà äëÿ òîãî, ÷òîáû èçìåíèòü ñâîå âîñïðèÿòèå ìèðà,
... ëþäè ïûòàþòñÿ èçìåíèòü ñàì ìèð
--- GoldED+/W32 1.1.2
* Origin: À ÷åì çàíèìàåòñÿ õåðîìàíòèÿ? (2:5093/28.126)
— RU.COMPRESS
From : Andrew Belov 2:5020/181.2 23 Jul 00 00:51:07
To : Bulat Ziganshin
Subj : Èñòîðèÿ ñ ãåîãðàôèåé ;)
Hello Bulat!
22 Jul 00 07:26, Bulat Ziganshin wrote to Andrew Belov:
AB>> Ó àâòîpà ìíîãî ýíåpãèè yøëî íà pàçpàáîòêy àëãîpèòìîâ
AB>> êåøèpîâàíèÿ/õåøèpîâàíèÿ ôàéë-ëèñòîâ,
BZ> à çà÷åì îíè òàì õåøèðóþòñÿ? äëÿ áûñòðîãî ïîèñêà?
Äëÿ ïîèñêà, à òî÷íåå, äëÿ áîpüáû ñ äyïàìè â ôàéë-ëèñòàõ.
Sincerely yours - Andrew
---
* Origin: Conea Software Mail system - Moscow, Russia (2:5020/181.2)
— RU.COMPRESS
From : Serg Tikhomirov 2:5020/122.166 24 Jul 00 01:22:56
To : Maxim Litvinov
Subj : Fileecho Annonce
Çäpàâñòâyé, Maxim!
23:06 of 18 Jul Maxim Litvinov wrote in a message to Bulat Ziganshin:
> ace20b1.exe 494,873 Archiver ACEv2.0b1 (DOS/Win32/OS2).
ML> Ñîppè, åñëè ÷àéíèêîâñêèé âîïpîñ, íî êàê åãî èç èíåòà íàäûáàòü? Hà
ML> ftp.elf.stuba.sk åãî íåò.
www.winace.com
Âñåãî íàèëó÷øåãî!
Jee
---
* Origin: Åñëè êòî-òî êîå-ãäå ó íàñ ïîpîé - òàê åìó è íàäî! (2:5020/122.166)
— RU.COMPRESS
From : Helgy Green 2:5020/400 24 Jul 00 02:22:26
To : All
Subj : Re: Óïàêîâêà ñèãíàëà â real-time
From: "Helgy Green" <helgy@mf.stu.ru>
Ðåáÿòà, à ÷òî çà îñöèëîãðàô òàêîé?
16 áèò ðåàëüíî ïîëó÷èòü ïðîñòî íåëüçÿ. Ìàêñèìóì 14 áèò. Øóìû ìåøàþò. Â
èíñòèòóòå ìåòðîëîãèè íàä ýòèì äîëãî òðóäèëèñü. Âñÿêàÿ ðåêëàìà, ãäå ãîâîðèòñÿ
áîëüøå, ëæåò. Â ñîóíä-áëàñòåðå 12 áèò.
4 áèòà âñåãäà íóëè. Âîò èõ ìîæíî èñïîëüçîâàòü. Åùå ìîæíî ñäåëàòü
äåëüòà-êîäèðîâàíèå. Ðàçíèöó ìåæäó òåêóùèì è ïðåäûäóùèì îòñ÷åòàìè. 8 áèò
õâàòèò. Hî òàì åñòü íåïðèÿòíîñòü - âîçìîæåí ñáîé è ñìåùåíèå âñåõ îòñ÷åòîâ.
Hàäî ïåðåîäè÷åñêè óñòàíàâëèâàòü íîëü (íàïðèìåð, âî âðåìÿ ïåðåõîäà ÷åðåç
íîëü). Ìîæíî ïðèìåíèòü ëîãàðèôìè÷åñêîå êîäèðîâàíèå äëÿ ëóòøåé ïåðåäà÷è
ïèêîâ. Hàïðèìåð, 2 áèòà - ïîðÿäîê, 6 áèò - çíà÷åíèå.
 òåõíèêå ñâÿçè âñå ýòî èñïîëüçóåòñÿ.
Îëåã
--- ifmail v.2.15dev5
* Origin: Siberian state transport university (2:5020/400)
— RU.COMPRESS
From : Vadim Yoockin 2:5020/400 24 Jul 00 02:22:27
To : ZAB
Subj : Re: ×åãî-òî ÿ íå âúåçæàþ!
From: "Vadim Yoockin" <vy@thermosyn.com>
Hello, ZAB ! You wrote:
>> www.compressconsult.com , ãäå æ åùå.
>> Hî, ìåæäó íàìè, ÷òî íåïîíÿòíîãî â ñîðòèðîâêå ñòðîê ïî ïåðâûì
>> N ñèìâîëàì, ïðè óñëîâèè, ÷òî ñòðîêè ñ îäèíàêîâûìè çíà÷åíèÿìè
>> êëþ÷à ðàçìåùàþòñÿ â ïîðÿäêå ïîñòóïëåíèÿ? ;)
>
>Âîò ÿ òîëüêî íå ïîíèìàþ êàêèå êîëîíöè ìàòðèöû èñïîëüçóþòñÿ (ïåðâàÿ è
>êàêàÿ?)! Ò.å. â ST(1) èñïîëüçóåòñÿ 2, à â ST(2+) êàêóþ èñïîëüçîâàòü? È êàê
>ïîòîì âîññòàíàâëèâàòü?
 ST(2) - òðåòüþ, â ST(3) - ÷åòâåðòóþ è .ò.ä.
Ïîñêîëüêó, òàêèì îáðàçîì, êàê ñïðàâåäëèâî çàìåòèë
Áóëàò, â ñîðòèðîâêå ïîìèìî N ñèìâîëîâ ó÷àñòâóåò
åùå è íîìåð ïîçèöèè èñõîäíîé ñòðîêè â áëîêå äàííûõ,
îäíîçíà÷íîñòü ïðåîáðàçîâàíèÿ ñîõðàíÿåòñÿ.
×òî êàñàåòñÿ âîññòàíîâëåíèÿ, ïîñëå ïîëó÷åíèÿ ïåðâûõ
N îòñîðòèðîâàííûõ ñòîëáöîâ îñòàåòñÿ òîëüêî
óïîðÿäî÷èòü ìåæäó ñîáîé îäèíàêîâûå êîíòåêñòû.
Ïîëüçóÿñü çíàíèåì ïîðÿäêà ñëåäîâàíèÿ â èñõîäíîì áëîêå.
Ýòî æå âñå îïèñàíî ó Øèíäëåðà... ëàäíî, áóäåò âðåìÿ,
âñòàâëþ â BWT FAQ...
Âñåãî äîáðîãî,
Âàäèì.
--- ifmail v.2.15dev5
* Origin: Fidolook Express http://fidolook.da.ru (2:5020/400)
— RU.COMPRESS
From : ZAB 2:5020/400 24 Jul 00 02:34:48
To : All
Subj : ×òî ïîñîâåòóåòå?
From: "ZAB" <ZAnatolyB@Mail.ru>
ß ïîíèìàþ, ÷òî äàííûé âîïðîñ òðåáóåò áîëüøîãî ïî îáú¸ìó îòâåòà, íî íå
ñî÷òèòå çà íàãëîñòü!
Êàê ïðîäåëàòü ïðîãðàìíî ñäåëàòü îáðàòíîå ïðåîáðàçîâàíèå ST(4)?
Êàê ïîëó÷èòü îòñîðòèðîâàííûé ìàññèâ êîíòåêñòîâ ÿ ïîíèìàþ, íî êàê ïîòîì, çíàÿ
èíäåêñ ïåðâîãî, ïðîèçâåñòè îáðàòíîå ïðåîáðàçîâàíèå, ÿ ïðåäñòàâëÿþ ñ òðóäîì,
íó íå óæ òî ïðèä¸òñÿ ñäâèãàòü êîíòåêñò - äîáàâëÿòü ñèìâîë - èñêàòü
ïîëó÷èâøèéñÿ êîíòåêñò - è ò. ä. äà åù¸ ïðè ýòîì ñëåäèòü çà ïîâòîðíûì
èñïîëüçîâàíèåì êîíòåêñòà! Ýòî æ íà âåêà!
--- ifmail v.2.15dev5
* Origin: NeoToN (2:5020/400)
— RU.COMPRESS
From : Andre N Belokon 2:5020/400 24 Jul 00 02:35:27
To : All
Subj : Re: Óïàêîâêà ñèãíàëà â real-time
From: "Andre N Belokon" <algo@softlab.od.ua>
Reply-To: "Andre N Belokon" <algo@softlab.od.ua>
Vladimir Vassilevsky <vlv@fullnet.net> ñîîáùèë â íîâîñòÿõ
ñëåäóþùåå:3972F93E.7E0D43C2@fullnet.net...
> Hàïðèìåð, ïðåäñêàçàòåëü ïåðâîãî
> ïîðÿäêà èäåàëüíî ïðåäñêàçûâàåò êîíñòàíòó, âòîðîãî ïîðÿäêà - ýêñïîíåíòû è
> ñèíóñîèäû, áîëåå âûñîêèå ïîðÿäêè - áîëåå ñëîæíûå ñòàöèîíàðíûå ïðîöåññû.
> Âû÷èñëåíèå êîýôôèöèåíòîâ ïðåäñêàçàíèÿ - äîñòàòî÷íî ñëîæíàÿ çàäà÷à,
> êîòîðàÿ íå ëÿæåò â ïàëêó. Ïåðåäàâàòü íàäî òîëüêî òåêóùóþ îøèáêó
> ïðåäñêàçàíèÿ. Ïðè äîñòàòî÷íî âûñîêîì ïîðÿäêå îøèáêà ïðåäñêàçàíèÿ
> ÿâëÿåòñÿ [ïî÷òè] Ãàóññîâñêèì ñëó÷àéíûì ïðîöåññîì ñ ðàñïðåäåëåíèåì òèïà
> exp(-x*x)
ñêàæó ïàðó ñëîâ êàñàòåëüíî LPC. âîçèëñÿ ÿ ñ íèì ïðèìåíèòåëüíî ê âîïðîñó
lossless êîìïðåññèè àóäèî-ñèãíàëîâ. ðàáîòà âåëàñü ñ íåñêîëüêèìè ìóçûêàëüíûìè
CD-òðåêàìè. äèñêðåòèçàöèÿ 44100 16 áèò. ñèãíàë ðàçáèâàëñÿ íà ôðåéìû è äëÿ
êàæäîãî ôðåéìà âû÷èñëÿëèñü êîýôôèöèåíòû LPC. è âîò ÷òî èíòåðåñíî - LPC
âûñîêèõ ïîðÿäêîâ (10-12) ïîêàçûâàþò õóäøèé ðåçóëüòàò ïî ñðàâíåíèþ ñ áîëåå
íèçêèìè ïîðÿäêàìè (3-5). ïîä õóäøèì ðåçóëüòàòîì ïîäðàçóìåâàåòñÿ áîëüøàÿ
äèñïåðñèÿ îøèáêè ïðåäñêàçàíèÿ.
"îáñêàêàë" âñåõ äðóãîé àëãîðèòì (íà âñÿêèé ñëó÷àé ñòàâèì (ñ) :)) àäàïòèâíîãî
LPC. ñóòü ñëåäóþùàÿ. åñòü íåáîëüøîå îêíî. íà îñíîâàíèè îòñ÷åòîâ ýòîãî îêíà
âû÷èñëÿåì LPC íåâûñîêîãî ïîðÿäêà. ïðåäñêàçûâàåì ñëåä. îòñ÷åò. ñäâèãàåì îêíî
íà îäèí îòñ÷åò è äîáàâëÿåì òîëüêî ÷òî çàêîäèðîâàííûé îòñ÷åò â îêíî. + è -
òàêîãî àëãîðèòìà: +êîýôôèöèåíòû LPC íèêîãäà íå ïåðåäàþòñÿ â ÿâíîì âèäå.
+ïîâûøåííàÿ àäàïòèâíîñòü êî âõîäíîìó ñèãíàëó. -ìåíüøåå áûñòðîäåéñòâèå.
áóäåò èíòåðåñíî óçíàòü ìíåíèå îáùåñòâåííîñòè - èçîáðåòåí âåëîñèïåä èëè
âå÷íûé äâèãàòåëü ? :))
PS åñëè êòî-òî ðàáîòàåò íàä âîïðîñàìè lossless êîïðåññèè àóäèîñèãíàëîâ è
ñòàòè÷åñêèõ èçîáðàæåíèé - áóäåò èíòåðåñíî ïîîáùàòüñÿ
--
WBR Andre N Belokon
http://softlab.od.ua
http://algo.4u.ru
--- ifmail v.2.15dev5
* Origin: Rostelecom/Internet Centre (2:5020/400)
— RU.COMPRESS
From : ZAB 2:5020/400 24 Jul 00 03:07:43
To : All
Subj : Re: exe pack
From: "ZAB" <ZAnatolyB@Mail.ru>
Roman Trunov <Roman.Trunov@f2.n5022.z2.fidonet.org> ñîîáùèë â íîâîñòÿõ
ñëåäóþùåå:964064892@f2.n5022.z2.ftn...
> Hello Vova!
>
> VO> À ïî÷åìó ïàêîâàíàÿ win32 ïðîãðàììà â ïàìÿòè ìåñòà áîëüøå çàíèìàåò,
÷åì
> VO> íåïàêîâàííàÿ?
>
> Ñ îáû÷íîé ïðîãðàììîé ìåíåäæåð ïàìÿòè ìîæåò à) íå ÷èòàòü íóæíûé êóñîê
> êîäà ñ äèñêà, ïîêà èñïîëíåíèå íå äîéäåò äî ýòîãî ìåñòà; á) ïðè íåõâàòêå
> ïàìÿòè íå çàñîâûâàòü ñòðàíèöó â ñâîï, à ïðîñòî âûêèíóòü -- åå
> ñîäåðæèìîå íåèçìåííî è âñåãäà ì.á. ïåðå÷èòàíî èç èñõîäíîãî ôàéëà; â)
> äëÿ íåñêîëüêèõ êîïèé çàïóùåííîé ïðîãðàììû èëè DLL èñïîëüçîâàòü îäèí è
> òîò æå êóñîê ôèçè÷åñêîé ïàìÿòè äëÿ õðàíåíèé êîäà -- ñîäåðæèìîå æå
> îäèíàêîâîå. Âñå ýòî ýêîíîìèò ôèçè÷åñêóþ ïàìÿòü è âðåìÿ.
>
> Ïàêîâàííàÿ ïðîãðàììà äîëæíà ðàñïàêîâàòüñÿ öåëèêîì -- ìåíåäæåð ïàìÿòè
> äîëæåí âûäåëèòü ôèçè÷åñêîé ïàìÿòè ïîä _ïîëíûé_ îáúåì ïðîãðàììû;
> ñòðàíèöû, êóäà ðàñïàêîâàëîñü, óæå íå ìîãóò áûòü ïðîñòî òàê âûêèíóòû èç
> ïàìÿòè -- â íèõ æå _ïèñàëîñü_, ìåíåäæåð òåïåðü îáÿçàí ñëèâàòü èõ ñâîï.
> Ïóíêò (â) âîîáùå îòïàäàåò -- ðàç â ñòðàíèöû ïèñàëîñü, áóäåì äåðæàòü
> ñâîþ êîïèþ äëÿ êàæäîãî ýêçåìïëÿðà ïðîãðàììû/DLL.
>
> Ïîýòîìó ïàêîâàòü áîëüøèå ïàêåòû òèïà îôèñà èëè ñèñòåìíûå DLL --
> ñàìîóáèéñòâî. Òðåáîâàíèÿ ê ôèçè÷åñêîé ïàìÿòè âîçðàñòàþò â íåñêîëüêî ðàç.
Äà ïðè ÷¸ì òóò ôèçè÷åñêàÿ ïàìÿòü!  âèíäå îíà âûñòóïàåò â êà÷åñòâå êåøà
ñâîï-ôàéëà, äèñêà è ïð.! Ïîòîì ïî÷òè âñå ïðîãðàììû â ïðîöåññå ðàáîòû
èçìåíÿþò ïî÷òè âñå ñâîè ñòðàíèöû!
--- ifmail v.2.15dev5
* Origin: NeoToN (2:5020/400)
— RU.COMPRESS
From : Ivan Azmanoff 2:5093/27.22 24 Jul 00 03:49:36
To : Bulat Ziganshin
Subj : exe pack
Hi! Âîò íàäyìàë ñ òîáîé ïîãîâîpèòü Bulat!
Ïîìíèòñÿ 18 Jul 00 13:09, êàêîé-òî Bulat Ziganshin íàêàëÿêàë êàêîìy-òî Vova Or
lov:
VO>> À ïî÷åìy ïàêîâàíàÿ win32 ïpîãpàììà â ïàìÿòè ìåñòà áîëüøå
VO>> çàíèìàåò, ÷åì íåïàêîâàííàÿ?
BZ> ïîòîìy, ÷òî õpàíÿòñÿ è èñõîäíûå, è pàñïàêîâàííûå äàííûå (afaik)
Òîãäà íà êîé õpåí ïàêîâàòü? Ëy÷øå òîãäà èíñòàëëÿõy ïîëy÷øå ñæàòü è âñå!
Ïpèøëà ïîpà ïpîùàòüñÿ Bulat.
--- FMail/Win32 1.42/g
* Origin: If you're programmer, clear the world from lamer (2:5093/27.22)
— RU.COMPRESS
From : ZAB 2:5020/400 24 Jul 00 04:48:52
To : All
Subj : Re: Â êàêóþ ñòîðîíó ïóñêàòü ÏÏÌ?
From: "ZAB" <ZAnatolyB@Mail.ru>
Vadim Yoockin <Vadim.Yoockin@p50.f1042.n5020.z2.fidonet.org> ñîîáùèë â
íîâîñòÿõ ñëåäóþùåå:964136587@p50.f1042.n5020.z2.fidonet.ftn...
> Ïpèâåòñòâóþ, Zab!
>
> 20 Jul 00, Bulat Ziganshin ïèñàë ê Zab:
>
> Z>> òåêñòîâûõ ôàéëîâ ...."! Òàê ìîæåò ÏÏÌ íà òåêñòàõ áóäåò äàâàòü ëó÷øèå
> Z>> ðåçóëüòàòû ïðè ïðîõîäå èç êîíöà â íà÷àëî?
>
> BZ> ïðîãðàììèòü óìååøü? âîò è ïðîâåðü. ñëîæíîñòü â òîì, ÷òî ó ppm íå
áëîêîâûé
> BZ> õàðàêòåð
>
> Èëè ïðîñòî ïåðåâåðíè ôàéë çàäîì íàïåðåä è ñîæìè PPM'îì...
Äà ÿ óæå äàâíî âñ¸ ñäåëàë, æì¸ò õóæå!
--- ifmail v.2.15dev5
* Origin: NeoToN (2:5020/400)
— RU.COMPRESS
From : ZAB 2:5020/400 24 Jul 00 04:48:56
To : All
Subj : Re: Â êàêóþ ñòîðîíó ïóñêàòü ÏÏÌ?
From: "ZAB" <ZAnatolyB@Mail.ru>
Vadim Yoockin <Vadim.Yoockin@p50.f1042.n5020.z2.fidonet.org> ñîîáùèë â
íîâîñòÿõ ñëåäóþùåå:964136587@p50.f1042.n5020.z2.fidonet.ftn...
> Ïpèâåòñòâóþ, Zab!
>
> 20 Jul 00, Bulat Ziganshin ïèñàë ê Zab:
>
> Z>> òåêñòîâûõ ôàéëîâ ...."! Òàê ìîæåò ÏÏÌ íà òåêñòàõ áóäåò äàâàòü ëó÷øèå
> Z>> ðåçóëüòàòû ïðè ïðîõîäå èç êîíöà â íà÷àëî?
>
> BZ> ïðîãðàììèòü óìååøü? âîò è ïðîâåðü. ñëîæíîñòü â òîì, ÷òî ó ppm íå
áëîêîâûé
> BZ> õàðàêòåð
>
> Èëè ïðîñòî ïåðåâåðíè ôàéë çàäîì íàïåðåä è ñîæìè PPM'îì...
Äà! Êñòàòè ACB ñæàë çàäîì-íà-ïåð¸ä ëó÷øå ÷åì òàê!
--- ifmail v.2.15dev5
* Origin: NeoToN (2:5020/400)
— RU.COMPRESS
From : Anatoly Popov 2:5003/7.2 24 Jul 00 10:48:00
To : Andrew Belov
Subj : Èñòîðèÿ ñ ãåîãðàôèåé ;)
Ïðèâåò, Andrew!
Ñóá Èþë 22 2000, Andrew Belov ïèøåò ê Anatoly Popov:
AP>> Êðîìå òîãî, ó íåãî åñòü àññîðòèìåíò îïöèé äëÿ ðàáîòû ñî
AP>> ñòàðûìè/ìîëîäûìè ôàéëàìè, íî òàì íåò îáðàáîòêè ôàéëîâ, ñîçäàííûõ
AP>> áîëåå N äíåé íàçàä. Ìåíåå - åñòü, áîëåå - íåò :(((
AB> À ýòî åñòü: -odb<N>.
À ñ êàêîé âåðñèè?  õåëïå ê ARJ 2.62ñ îá ýòîì óìàë÷èâàåòñÿ, õîòÿ îïöèÿ ðàáîòàåò
;)
Ïîêà
Àíàòîëèé
---
* Origin: Ñûêòûâêàð, Ðåñïóáëèêà Êîìè (2:5003/7.2)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/28.126 24 Jul 00 13:19:23
To : Ivan Azmanoff
Subj : exe pack
*** Answering a msg posted in area CARBON_COPIES (CARBON_COPIES).
* Originally in RU.COMPRESS
Hello Ivan!
Monday July 24 2000, Ivan Azmanoff writes to Bulat Ziganshin:
VO>>> À ïî÷åìy ïàêîâàíàÿ win32 ïpîãpàììà â ïàìÿòè ìåñòà áîëüøå
VO>>> çàíèìàåò, ÷åì íåïàêîâàííàÿ?
BZ>> ïîòîìy, ÷òî õpàíÿòñÿ è èñõîäíûå, è pàñïàêîâàííûå äàííûå (afaik)
IA> Òîãäà íà êîé õpåí ïàêîâàòü? Ëy÷øå òîãäà èíñòàëëÿõy ïîëy÷øå ñæàòü
IA> è âñå!
ìåíüøå ìåñòà íà äèñêå çàíèìàåò, of course
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
... Èíîãäà äëÿ òîãî, ÷òîáû èçìåíèòü ñâîå âîñïðèÿòèå ìèðà,
... ëþäè ïûòàþòñÿ èçìåíèòü ñàì ìèð
--- GoldED+/W32 1.1.2
* Origin: À ÷åì çàíèìàåòñÿ õåðîìàíòèÿ? (2:5093/28.126)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/28.126 24 Jul 00 13:21:31
To : Zab
Subj : ×òî ïîñîâåòóåòå?
* Originally in RU.COMPRESS
Hello ZAB!
Monday July 24 2000, ZAB writes to All:
Z> ß ïîíèìàþ, ÷òî äàííûé âîïðîñ òðåáóåò áîëüøîãî ïî îáú¸ìó îòâåòà, íî íå
Z> ñî÷òèòå çà íàãëîñòü!
Z> Êàê ïðîäåëàòü ïðîãðàìíî ñäåëàòü îáðàòíîå ïðåîáðàçîâàíèå ST(4)?
â unst(2) òû ðàçîáðàëñÿ? òî÷íî òàê æå, òîëüêî âìåñòî ìàññèâà èñïîëüçîâàòü õåø.
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
... Èíîãäà äëÿ òîãî, ÷òîáû èçìåíèòü ñâîå âîñïðèÿòèå ìèðà,
... ëþäè ïûòàþòñÿ èçìåíèòü ñàì ìèð
--- GoldED+/W32 1.1.2
* Origin: À ÷åì çàíèìàåòñÿ õåðîìàíòèÿ? (2:5093/28.126)
— RU.COMPRESS
From : Bulat Ziganshin 2:5093/28.126 24 Jul 00 13:24:35
To : Zab
Subj : exe pack
* Originally in RU.COMPRESS
Hello ZAB!
Monday July 24 2000, ZAB writes to All:
>> îáÿçàí ñëèâàòü èõ ñâîï. Ïóíêò (â) âîîáùå îòïàäàåò -- ðàç â ñòðàíèöû
>> ïèñàëîñü, áóäåì äåðæàòü ñâîþ êîïèþ äëÿ êàæäîãî ýêçåìïëÿðà
>> ïðîãðàììû/DLL. Ïîýòîìó ïàêîâàòü áîëüøèå ïàêåòû òèïà îôèñà èëè
>> ñèñòåìíûå DLL -- ñàìîóáèéñòâî. Òðåáîâàíèÿ ê ôèçè÷åñêîé ïàìÿòè
>> âîçðàñòàþò â íåñêîëüêî ðàç.
Z> Äà ïðè ÷¸ì òóò ôèçè÷åñêàÿ ïàìÿòü!  âèíäå îíà âûñòóïàåò â êà÷åñòâå
Z> êåøà ñâîï-ôàéëà, äèñêà è ïð.! Ïîòîì ïî÷òè âñå ïðîãðàììû â ïðîöåññå
Z> ðàáîòû èçìåíÿþò ïî÷òè âñå ñâîè ñòðàíèöû!
ÊÎÄ îíè îáû÷íî íå èçìåíÿþò
Bulat, mailto:bulatz@fort.tatarstan.ru, ICQ 15872722
... Èíîãäà äëÿ òîãî, ÷òîáû èçìåíèòü ñâîå âîñïðèÿòèå ìèðà,
... ëþäè ïûòàþòñÿ èçìåíèòü ñàì ìèð
--- GoldED+/W32 1.1.2
* Origin: À ÷åì çàíèìàåòñÿ õåðîìàíòèÿ? (2:5093/28.126)
— RU.COMPRESS
From : Vadim Yoockin 2:5020/400 24 Jul 00 14:29:48
To : ZAB
Subj : Re: ×òî ïîñîâåòóåòå?
From: "Vadim Yoockin" <vy@thermosyn.com>
Hello, ZAB ! You wrote:
>ß ïîíèìàþ, ÷òî äàííûé âîïðîñ òðåáóåò áîëüøîãî ïî îáú¸ìó îòâåòà, íî íå
>ñî÷òèòå çà íàãëîñòü!
Ñòàòüÿ ïîñëàíà ìûëîì.
>Êàê ïðîäåëàòü ïðîãðàìíî ñäåëàòü îáðàòíîå ïðåîáðàçîâàíèå ST(4)?
>Êàê ïîëó÷èòü îòñîðòèðîâàííûé ìàññèâ êîíòåêñòîâ ÿ ïîíèìàþ, íî êàê ïîòîì,
çíàÿ
>èíäåêñ ïåðâîãî, ïðîèçâåñòè îáðàòíîå ïðåîáðàçîâàíèå, ÿ ïðåäñòàâëÿþ ñ òðóäîì,
>íó íå óæ òî ïðèä¸òñÿ ñäâèãàòü êîíòåêñò - äîáàâëÿòü ñèìâîë - èñêàòü
>ïîëó÷èâøèéñÿ êîíòåêñò - è ò. ä. äà åù¸ ïðè ýòîì ñëåäèòü çà ïîâòîðíûì
>èñïîëüçîâàíèåì êîíòåêñòà! Ýòî æ íà âåêà!
Håçà÷åì ýòî. Çàäà÷à-òî - â ïîäñ÷åòå ÷èñëà îäèíàêîâûõ êîíòåêñòîâ.
Äëÿ óíèêàëüíûõ æå êîíòåêñòîâ îáðàòíîå ïðåîáðàçîâàíèå íè÷åì
íå îòëè÷àåòñÿ îò BWT-øíîãî.
Âñåãî äîáðîãî,
Âàäèì.
--- ifmail v.2.15dev5
* Origin: Fidolook Express http://fidolook.da.ru (2:5020/400)
— RU.COMPRESS
From : Ivan Azmanoff 2:5093/27.22 24 Jul 00 16:35:40
To : Bulat Ziganshin
Subj : exe pack
Hi! Âîò íàäyìàë ñ òîáîé ïîãîâîpèòü Bulat!
Ïîìíèòñÿ 24 Jul 00 13:19, êàêîé-òî Bulat Ziganshin íàêàëÿêàë êàêîìy-òî Ivan Az
manoff:
VO>>>> À ïî÷åìy ïàêîâàíàÿ win32 ïpîãpàììà â ïàìÿòè ìåñòà áîëüøå
VO>>>> çàíèìàåò, ÷åì íåïàêîâàííàÿ?
BZ>>> ïîòîìy, ÷òî õpàíÿòñÿ è èñõîäíûå, è pàñïàêîâàííûå äàííûå (afaik)
IA>> Òîãäà íà êîé õpåí ïàêîâàòü? Ëy÷øå òîãäà èíñòàëëÿõy ïîëy÷øå
IA>> ñæàòü è âñå!
BZ> ìåíüøå ìåñòà íà äèñêå çàíèìàåò, of course
Äûê ïàìÿòü íà ïîpÿäîê âàæíåå!!! Ãèãîâ íà âèíòå âñåãäà õâàòèò, à âîò
ïàìÿòè, êîòîpîé òàê íåápåæíî pàñêèäûâàþòñÿ ýòè ãîpáàòûå ôîpòî÷êè...
Ïpèøëà ïîpà ïpîùàòüñÿ Bulat.
--- FMail/Win32 1.42/g
* Origin: If you're programmer, clear the world from lamer (2:5093/27.22)
— RU.COMPRESS
From : Dmitry Shkarin 2:5020/400 24 Jul 00 20:18:55
To : All
Subj : Re: Óïàêîâêà ñèãíàëà â real-time
From: "Dmitry Shkarin" <dmitry.shkarin@mtu-net.ru>
Hi, Andre!
>ñêàæó ïàðó ñëîâ êàñàòåëüíî LPC. âîçèëñÿ ÿ ñ íèì ïðèìåíèòåëüíî ê âîïðîñó
>lossless êîìïðåññèè àóäèî-ñèãíàëîâ. ðàáîòà âåëàñü ñ íåñêîëüêèìè
ìóçûêàëüíûìè
>CD-òðåêàìè. äèñêðåòèçàöèÿ 44100 16 áèò. ñèãíàë ðàçáèâàëñÿ íà ôðåéìû è äëÿ
>êàæäîãî ôðåéìà âû÷èñëÿëèñü êîýôôèöèåíòû LPC. è âîò ÷òî èíòåðåñíî - LPC
>âûñîêèõ ïîðÿäêîâ (10-12) ïîêàçûâàþò õóäøèé ðåçóëüòàò ïî ñðàâíåíèþ ñ áîëåå
>íèçêèìè ïîðÿäêàìè (3-5). ïîä õóäøèì ðåçóëüòàòîì ïîäðàçóìåâàåòñÿ áîëüøàÿ
>äèñïåðñèÿ îøèáêè ïðåäñêàçàíèÿ.
>
>"îáñêàêàë" âñåõ äðóãîé àëãîðèòì (íà âñÿêèé ñëó÷àé ñòàâèì (ñ) :))
àäàïòèâíîãî
>LPC. ñóòü ñëåäóþùàÿ. åñòü íåáîëüøîå îêíî. íà îñíîâàíèè îòñ÷åòîâ ýòîãî îêíà
>âû÷èñëÿåì LPC íåâûñîêîãî ïîðÿäêà. ïðåäñêàçûâàåì ñëåä. îòñ÷åò. ñäâèãàåì îêíî
>íà îäèí îòñ÷åò è äîáàâëÿåì òîëüêî ÷òî çàêîäèðîâàííûé îòñ÷åò â îêíî. + è -
>òàêîãî àëãîðèòìà: +êîýôôèöèåíòû LPC íèêîãäà íå ïåðåäàþòñÿ â ÿâíîì âèäå.
>+ïîâûøåííàÿ àäàïòèâíîñòü êî âõîäíîìó ñèãíàëó. -ìåíüøåå áûñòðîäåéñòâèå.
>
>áóäåò èíòåðåñíî óçíàòü ìíåíèå îáùåñòâåííîñòè - èçîáðåòåí âåëîñèïåä èëè
>âå÷íûé äâèãàòåëü ? :))
Ãëÿíü â ñòîðîíó HBB, TMW, coder by Guang Deng etc. Hà ýòî äåëî
êîïèðàéòîâ êàê áëîøåê íà áàðáîñêå ;-)
Âîîáùå, ëó÷øå ðàññìàòðèâàòü ïðåäèêòîð êàê âñïîìîãàòåëüíûé øàã äëÿ
ïîñëåäóåùåãî êîíòåêñòíîãî ìîäåëèðîâàíèÿ, òîãäà àäàïòèâíîñòü ïðåäèêòîðà áóäåò
òîëüêî ñáèâàòü ñ òîëêó êîíòåêñòíûé ìîäåëåð.
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* Origin: home (2:5020/400)
— RU.COMPRESS
From : ZAB 2:5020/400 24 Jul 00 20:40:57
To : All
Subj : Re: ×òî ïîñîâåòóåòå?
From: "ZAB" <ZAnatolyB@Mail.ru>
Vadim Yoockin <vy@thermosyn.com> ñîîáùèë â íîâîñòÿõ
ñëåäóþùåå:8lh43m$154$1@news.kiev.sovam.com...
> Hello, ZAB ! You wrote:
>
> >ß ïîíèìàþ, ÷òî äàííûé âîïðîñ òðåáóåò áîëüøîãî ïî îáú¸ìó îòâåòà, íî íå
> >ñî÷òèòå çà íàãëîñòü!
>
> Ñòàòüÿ ïîñëàíà ìûëîì.
>
> >Êàê ïðîäåëàòü ïðîãðàìíî ñäåëàòü îáðàòíîå ïðåîáðàçîâàíèå ST(4)?
> >Êàê ïîëó÷èòü îòñîðòèðîâàííûé ìàññèâ êîíòåêñòîâ ÿ ïîíèìàþ, íî êàê ïîòîì,
> çíàÿ
> >èíäåêñ ïåðâîãî, ïðîèçâåñòè îáðàòíîå ïðåîáðàçîâàíèå, ÿ ïðåäñòàâëÿþ ñ
òðóäîì,
> >íó íå óæ òî ïðèä¸òñÿ ñäâèãàòü êîíòåêñò - äîáàâëÿòü ñèìâîë - èñêàòü
> >ïîëó÷èâøèéñÿ êîíòåêñò - è ò. ä. äà åù¸ ïðè ýòîì ñëåäèòü çà ïîâòîðíûì
> >èñïîëüçîâàíèåì êîíòåêñòà! Ýòî æ íà âåêà!
>
> Håçà÷åì ýòî. Çàäà÷à-òî - â ïîäñ÷åòå ÷èñëà îäèíàêîâûõ êîíòåêñòîâ.
> Äëÿ óíèêàëüíûõ æå êîíòåêñòîâ îáðàòíîå ïðåîáðàçîâàíèå íè÷åì
> íå îòëè÷àåòñÿ îò BWT-øíîãî.
Àãà! Òîëüêî âîò äëÿ òàêîãî ïîäñ÷¸òà ïîòðåáóåòñÿ ~4 Ãá!!!
--- ifmail v.2.15dev5
* Origin: NeoToN (2:5020/400)
— RU.COMPRESS
From : ZAB 2:5020/400 24 Jul 00 20:51:38
To : All
Subj : Re: ×òî ïîñîâåòóåòå?
From: "ZAB" <ZAnatolyB@Mail.ru>
Bulat Ziganshin <Bulat.Ziganshin@p126.f28.n5093.z2.fidonet.org> ñîîáùèë â
íîâîñòÿõ ñëåäóþùåå:964445061@p126.f28.n5093.z2.ftn...
> * Originally in RU.COMPRESS
> Hello ZAB!
>
> Monday July 24 2000, ZAB writes to All:
> Z> ß ïîíèìàþ, ÷òî äàííûé âîïðîñ òðåáóåò áîëüøîãî ïî îáú¸ìó îòâåòà, íî íå
> Z> ñî÷òèòå çà íàãëîñòü!
>
> Z> Êàê ïðîäåëàòü ïðîãðàìíî ñäåëàòü îáðàòíîå ïðåîáðàçîâàíèå ST(4)?
>
> â unst(2) òû ðàçîáðàëñÿ? òî÷íî òàê æå, òîëüêî âìåñòî ìàññèâà èñïîëüçîâàòü
õåø.
Ìîæåò ÿ ÷¸ íå ïîíèìàþ â òåîðèè, íî ïî õåøó íå òàê ïðîñòî èíäåêñèðîâàòüñÿ,
íóæíà ïðîöåäóðà ïîèñêà! ß óæå òàê ñäàëàë, ò.å. ñîáèðàþ ìàññèâ èç N 4-¸õ
áàéòíûõ ýëåìåíòîâ (êîíòåêñòîâ), è åù¸ îäèí òàêîé æå, íî âìåñòî êîíòåêñòîâ â
í¸ì èíäåêñû íà èñõîäíûé áëîê, ïîòîì åù¸ ìàññèâ 0..65535 äëÿ òîãî, ÷òîáû
áèíàðíûé ïîèñê ïî ïåðâîìó ìàññèâó íà÷èíàëñÿ ñ äèàïîçîíà íà áîëåå 655536,
ò.å. ýòîò òðåòèé ìàññèâ ÿâëÿåòñÿ òàáëèöåé èíäåêñîâ íà ïåðâûå 2 áàéòà
êîíòåêñòîâ! Ïîìîåìó ðåàëèçà÷èÿ âïîëíå îïòèìàëüíà, ïî êðàéíåé ìåðå äëÿ
îáðàòíîãî ïðåîáðàçîâàíèÿ 3-¸õ ìåãàáàéò (âñåõ öåëèêîì, îäíèì áëîêîì) åé íàäî
~3,5 ñåêóíäû!
ÇÛ: Äëÿ øèôðîâêè òðåáóåòñÿ 4,5 ñåêóíä! Êòî ñêàçàë, ÷òî ðàñïàêîâêà
òîðìîçíóòåå?
ÇÇÛ: Ïîñëå îïòèìèçàöèè ïðîöåäóð ñîðòèðîâêè:
ïàêîâêà (ïðåîáðàçîâàíèå): 4,203 ñåê
ðàñïàêîâêà (ïðåîáðàçîâàíèå): 3,3 ñåê
Æð¸ò 35 ìåãîâ â ïèêîâîé íàãðóçêå è ìíå êàæåòñÿ, ÷òî óìåíüøàòü ðàçìåð áëîêà
ìåííåå 3-¸õ ìåãàáàéò íåò íåîáõîäèìîñòè!
ÇÇÇÛ: Êñòàòè! Êàêîé ïîðÿäîê êîíòåêñòîâ äà¸ò ëó÷øèé ðåçóëüòàò? Àòî äîäåëàòü
ýòî äî 8 - 12 ìîæíî áåç ïîòåðü â ñêîðîñòü áîëåå 1 ñåêóíäû!
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* Origin: NeoToN (2:5020/400)
— RU.COMPRESS
From : Andre N Belokon 2:5020/400 24 Jul 00 22:42:03
To : All
Subj : Re: Óïàêîâêà ñèãíàëà â real-time
From: "Andre N Belokon" <algo@softlab.od.ua>
Reply-To: "Andre N Belokon" <algo@softlab.od.ua>
Dmitry Shkarin <dmitry.shkarin@mtu-net.ru> ñîîáùèë â íîâîñòÿõ
ñëåäóþùåå:8lhq6p$199o$1@gavrilo.mtu.ru...
> Ãëÿíü â ñòîðîíó HBB, TMW, coder by Guang Deng etc.
ìîæíî áîëåå òî÷íûå URL-èêè ?
> Hà ýòî äåëî êîïèðàéòîâ êàê áëîøåê íà áàðáîñêå ;-)
íå ñïîðþ, íî êîíêðåòíî òàêóþ ñõåìó ÿ íå âñòðå÷àë.
> Âîîáùå, ëó÷øå ðàññìàòðèâàòü ïðåäèêòîð êàê âñïîìîãàòåëüíûé øàã äëÿ
> ïîñëåäóåùåãî êîíòåêñòíîãî ìîäåëèðîâàíèÿ, òîãäà àäàïòèâíîñòü ïðåäèêòîðà
áóäåò
> òîëüêî ñáèâàòü ñ òîëêó êîíòåêñòíûé ìîäåëåð.
ýòî ïîíÿòíî âñå, íî î êîíòåêñòíîì ìîäåëèðîâàíèè ðå÷ü íå øëà.
--
WBR Andre N Belokon
http://softlab.od.ua
http://algo.4u.ru
--- ifmail v.2.15dev5
* Origin: Rostelecom/Internet Centre (2:5020/400)
— RU.COMPRESS
From : Spiridonov Ed 2:5059/9.55 25 Jul 00 10:49:08
To : All
Subj : Çâóêîâûå êîäåêè
Çäðàâñòâóé All!
Õîòåëîñü áû ïîèìåòü ñûðöû äëÿ ðàñïàêîâêè wav-îâ ñ âñåâîçìîæíûìè êîäåêàìè,
ïðåæäå âñåãî ADPCM.
 èäåàëå õîòåëîñü áû íàéòè óíèâåðñàëüíóþ ñèøíóþ ëèáó äëÿ ðàñïàêîâêè ëþáîãî wav
(íó è mp3 òîæå :))
Hó èëè îïèñàíèå ýòèõ ôîðìàòîâ òîæå áû óñòðîèëî.
Ñ óâàæåíèåì, Ed.
--- Hè÷åãî îñîáåííîãî
* Origin: My tiny Station, Penza (2:5059/9.55)
— RU.COMPRESS
From : Vadim Yoockin 2:5020/400 25 Jul 00 11:24:01
To : ZAB
Subj : Re: ×òî ïîñîâåòóåòå?
From: "Vadim Yoockin" <vy@thermosyn.com>
Hello, ZAB ! You wrote:
>Ìîæåò ÿ ÷¸ íå ïîíèìàþ â òåîðèè, íî ïî õåøó íå òàê ïðîñòî èíäåêñèðîâàòüñÿ,
>íóæíà ïðîöåäóðà ïîèñêà!
Çàòî õýø áîëåå óñòîé÷èâ ê áîëüøîìó êîëè÷åñòâó ïîõîæèõ êîíòåêñòîâ.
>ß óæå òàê ñäàëàë, ò.å. ñîáèðàþ ìàññèâ èç N 4-¸õ
>áàéòíûõ ýëåìåíòîâ (êîíòåêñòîâ), è åù¸ îäèí òàêîé æå, íî âìåñòî êîíòåêñòîâ â
>í¸ì èíäåêñû íà èñõîäíûé áëîê, ïîòîì åù¸ ìàññèâ 0..65535 äëÿ òîãî, ÷òîáû
>áèíàðíûé ïîèñê ïî ïåðâîìó ìàññèâó íà÷èíàëñÿ ñ äèàïîçîíà íà áîëåå 655536,
>ò.å. ýòîò òðåòèé ìàññèâ ÿâëÿåòñÿ òàáëèöåé èíäåêñîâ íà ïåðâûå 2 áàéòà
>êîíòåêñòîâ! Ïîìîåìó ðåàëèçà÷èÿ âïîëíå îïòèìàëüíà, ïî êðàéíåé ìåðå äëÿ
>îáðàòíîãî ïðåîáðàçîâàíèÿ 3-¸õ ìåãàáàéò (âñåõ öåëèêîì, îäíèì áëîêîì) åé íàäî
>~3,5 ñåêóíäû!
À åñëè âåñü áëîê ñîñòîèò èç îäèíàêîâûõ ñèìâîëîâ, ñêîëüêî òðåáóåòñÿ âðåìåíè?
;)
Êñòàòè, äëÿ ÷èñòîòû ýêñïåðèìåíòà ñðàâíè ñ szip'îì.
>ÇÛ: Äëÿ øèôðîâêè òðåáóåòñÿ 4,5 ñåêóíä! Êòî ñêàçàë, ÷òî ðàñïàêîâêà
>òîðìîçíóòåå?
À ýòî ñòðàííî. Ìîæåò, ó òåáÿ ïðÿìîå ïðåîáðàçîâàíèå êàêîå-òî íå òî?
Òàì æå äåëîâ-òî - íà ïàðó ïðîõîäîâ radix-sort'à.
>ÇÇÛ: Ïîñëå îïòèìèçàöèè ïðîöåäóð ñîðòèðîâêè:
>ïàêîâêà (ïðåîáðàçîâàíèå): 4,203 ñåê
>ðàñïàêîâêà (ïðåîáðàçîâàíèå): 3,3 ñåê
>Æð¸ò 35 ìåãîâ â ïèêîâîé íàãðóçêå è ìíå êàæåòñÿ, ÷òî óìåíüøàòü ðàçìåð áëîêà
>ìåííåå 3-¸õ ìåãàáàéò íåò íåîáõîäèìîñòè!
Ýòî äà.
>ÇÇÇÛ: Êñòàòè! Êàêîé ïîðÿäîê êîíòåêñòîâ äà¸ò ëó÷øèé ðåçóëüòàò? Àòî äîäåëàòü
>ýòî äî 8 - 12 ìîæíî áåç ïîòåðü â ñêîðîñòü áîëåå 1 ñåêóíäû!
Çà èñêëþ÷åíèåì íåêîòîðûõ äàííûõ, ÷åì áîëüøå - òåì ëó÷øå.
Hà áîëüøèíñòâå òåêñòîâ 8-12 áóäåò âïîëíå äîñòàòî÷íî.
Âñåãî äîáðîãî,
Âàäèì.
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