 SU.HARDW.PC.CPU (2:5020/299)  SU.HARDW.PC.CPU 
 From : Dimon Shvetsov                      2:5020/470.27   Tue 12 Nov 96 21:15 
 Subj : MMX -   pp襭!-) 1/2                                      


 砩襣  뢮  ⥪ .  訡  ,
⮪p,  砫⢮  ᫨,  뫨뢠 ⥫쭮  뫮
p, ⠪   !-) H    ...

=== Cut ===
                   MMX -  孮  INTEL.
                         (Hard'n'Soft 7/1996)

     12  ᪮᪮ ।⠢⥫⢮  Intel   ᯥ樠쭮
ᥬ     ᮮ騫  ᭮ ⠫ 襩 孮
.  (筮 ।,   ॢ ஢뢠 
MultiMedia eXtentions,  ।⠢⥫  Intel   -
 ᥬ  ࠧ  ஢  -  ⠪,  - . 
   -  ?  - ਬ. ।.).   -
⥫ ⮢ ⮣ ᥬ  㦥  䠪,    ।-
⠢    孮 㪮⥫ ᪮᪮ 䨫 ਨ
ணࠬ 孮 Intel ᥩ .     -
७ ⥪ ஢ ᥬ⢠ Intel,   ᮡ⨥,  
,  ।⠢ ᮡ    ࠧࠡ稪  ண-
ࠬ  ᯥ祭.
     孮 MMX ࠧ㬥 祭    57 
 ⥪ ஢ Intel,  ।⠢ ᮡ ਭ樯쭮
⢮   ࠧ⨨.  ⭮,  ࢮ  ਨ 86 -
⮩  8086,  饭  1979 ., ᫮  뫮 ࠢ
170 饥  ७ ந諮 ⮫쪮  1985  .    
ய 386 (220 ).     ७ ࠧ⨥ -
⥪ ஢ 諮 ﭭ,   譥 ஭  ⠢
 ணࠬ  ⮩  - ⥬   﫠 ( ⮬ ᫥,
  Pentium Pro). 筮,  ஢   ⮦ ந室-
   ,    ⮬ ﭭ 﫨 -
ਠ "⨬樨 ணࠬ"   386,  486   ..    
஢ ணࠬ஢,   ᥬ,  ⠢,  ਭ-
,  -०. , १ 11 , Intel 訫  ⥬
  ,       稭 쬠 -
⥫ ᮡ⨥.
     ⥫   ।祭   ।  -
樨 ⬮,  ࠪ  ࠡ⪨ -   㤨:
䨫樨,  ८ࠧ ,  ᢥ⪨  .  祭 ⠪ -
쭮 ᯥ᪨ 権  㭨ᠫ   ਧ-
 ⮣ 䠪,  室  ⨬  -
   ᮢ,       ࠭ ᢮ -
㠫쭮    祭 ⥫쭮 ६.   ⮬ ᫥ 
  ,   ࠤ樥 Intel -०  ⠥  ᮡ
ᮢ⨬  "᭨ ".
      - ⥯,     ࠢ  -
  ஥ ⥬᪮ ᮯ.   ⮬  
⬥,    55,  ண 頭  ⢥⮬
⠫  1996 .,     ᪠ ᥩ Pentium.
㤥   筮,  ᫨ 55 㤥 뢠,  ਬ,  Penti-
um-MMX.  (  㬥⭠  :  486SX  486DX.) ⥬ 筮 ⠪
  -䨪樨  Pentium Pro.  ࠧ,
 ।,     ⥪ MMX  -
஢   ஬  220      ⥯  ४-
.
      譥  ७ MMX 룫廊 쭮 ।⠢⥫-
,    ᠬ   ᠥ 筮  権  楫-
묨 묨: ᫮, 㬭, ᪨ 権. ஬ ⮣,
    砥  楫   ᯥ樠  権 ⨯
 㬬 ந  ᥫ.   ⮬ ᫨⥫ 䥪
  ਬ  MMX  孮  ⨬  㭨樮 
  쬠 ⢥.   業 Intel,    ⠪
 室   10%    ணࠬ, , -
 ,    樨 믮  祭  横,  -
 ࠣ⮢ ⠢  90%  饣 ६ ᯮ ணࠬ.
 १,   ।⥫ ,    ந⥫쭮
  ⨣ 50-400%   ᨬ   ਫ.
      ६ ࠭ MMX- ( ⨯ , ᯮ-
    -)      㤥  ਬ    
64-ࠧ來 ॣ஢,  ࠭ ᯮ짮  ᥫ  -
饩 ⮩.   ⫨稥  ன⢠ ࠡ⪨ ⢥ ᥫ,
 ᯮ짮   ⮫쪮   ⥪,  MMX- -
    饣 祭  אַ 樥 -
 ॣ ( ஡  ன⢥ .  १).
     ⢨ ᯮ짮 饣  ॣ஢  , 
ࠣ ࠡ⪨ ᥫ  饩 ⮩   MMX- -
  쭮 ⪮ ࠧ  ணࠬ.  祬,     祭
᫮ - 筮 ࠡ⪠ 楫  ⢥ ᥫ 筮 -
஢   㣠.
     ।⠢⥫ Intel   ⢥⨫  ,  ᪮쪮 ᫮-
     -. ਥ ⠪
᫮ ,  ਬ, 㢥祭 ᫠ ࠭஢  -
⠫,   ஬  ண஢  ⮨ ,
 ࣮ॡ,  . ,   ᥬ; ⥯ ⮣ ᫮-
 㤥  祭 ⥫쭮 (䬥᪨  쭮 ⮩,
⥫ ॣ஢ 䠩  㤥);   ࠩ ,  㤥
ࠧ  ⢥  ࠢ  ࠧ楩  486DX  486SX
- ..,  ⥬  ⥬᪨ ᮯ஬.

             饥 ᫮ -  ࠧࠡ稪 ணࠬ.

      MMX   -  蠣  Intel,  
 ᮣ  饩 ⥣   ७ ᯥ樠-
஢ 㭪権 ࠡ⪨  ⥫    業ࠫ  -
.     祢 ⮬  ணࠬ NSP (Native
Signal Processing),  뫠 ஢襭   諮 -
 (.  Hard'n'Soft #8 1995 .  ,   ࠭-
:   NSP ।⠢⥫ Intel    ᫮,   ᮢ襭
⢥,  ᫨  MMX 﫠 ன 䠧 ⥣ NSP. - ਬ.
।.).   ࠪ᪠ ॠ ⮩ ⥣ Intel  -
     ⨢    ࠧࠡ稪 .  
  ᯥ ணࠬ ॠ ⮣,  ࠭ 믮-
 ᯥ樠쭮 ன. ⢨ ⮣  ⭮ -
襭  Intel  ணࠬ⠬,    ⨢஢
  ⥫쭮  㦭  ᥡ ࠢ.   ⮬,  樠쭮
஢,      থ   ᪨
ணࠬ । (  㦥 砫  ,  ਬ, -
 ணࠬ  ஢ ⥩  LANDesk),  Intel  ﭭ
 ࠧࠡ ᮡ⢥ ᯮ⥫ ।  ࠧࠡ-
稪 .   ᯮ,    Intel ᮧ  ᮡ⢥
 ணࠬ 孮   1991 ;  1995 .  -
 㦥  600 㤭  ᪮쪮 ⤥   ࠧ  -
.
      ᯥ ணࠬ NSP  楫   孮    ⭮
   ᮮ⢥饩 ८ਥ樨 ஬ ᫠ ᯥ樠-
஢ ணࠬ ⮢.   ⮩ 裡 Intel ⨢ -
⭮襭   ⮫쪮  ᢮ ࠤ樮묨 ⥣᪨ ⭥-
,  ⠪,   Microsoft (६   㤭⢮  
ୠ⨢묨 㯭묨 ⭥ࠬ,  ਬ, Novell),    ᥬ
ᨬ묨 ࠧࠡ稪 .  ⮬ 饭   -
  諮  ६ ணࠬ প ࠧࠡ稪
.    砥  ⮬,   Intel  ᢮  
ᮡ⢥ ணࠬ 孮  ⮫쪮  ᢮ ⥣᪨
⭥஢,      .
      ⮬  ᥣ  襨,  ।⠢  孮
  㤭 ਨ ணࠬ 孮 Intel  -
廊  ⢥.  筮 ⠪   ୮,  -
쭮  ᯥ䨪権  ந諮  祬     
室  ᠬ   55.   ᮮ騫 ᥩ ,  㦥 
 뫨 ⮢ ⮤᪨ ਠ  MMX-孮.  ⢥-
騩 -,  Software Developer CDROM, ࠧ᫠ ᥬ ⭥-
ࠬ   ணࠬ প ࠧࠡ稪.   ⮬  ६
 뫨   Microsoft ᣮ Assembler  MMX ७ﬨ ,
᪮쪮 ,  ন騩  Visual C++,      -
 ᠭ  祣 譮  뫮.
      ⬥,   室  ᯮ짮  孮 
ࠧࠡ稪  ணࠬ  த⮢    ᫨誮 -
.    ,  ।    থ  ⮫쪮
⭮⥫쭮 訥 ࠣ ணࠬ,   ,  ⥬  ,
室 ᭮ ᫨⥫쭠 㧪.    䥪⨢  -
짮  ࠫ쭮 ࠡ⪨  ॡ ਭ樯쭮
 ⬮ ࠡ⪨ (,   ஢ ᯥ樠
᫥   롮). ஬ ⮣, ᮢ襭 祢,  -
 ஥ ᫮ ணࠬ   ⮣,    -
  ন    ਠ  ࠡ⪨ -  -⥪ன  
.   㬥⭠   ஡ /⢨ ᮯ-
஢,    ࠪ᪨  ਫ ন  -
ਠ.
      ⥬  , ।⠢ ,  ࠧࠡ稪  -
쭮  ⪫  ਧ Intel ᯮ짮  MMX-孮
 ⮫쪮  ᫮ (  প  㦥 쭮 讥 ᫮
:  ந⥫ ,  ⨬ 㤮  ணࠬ
ᯥ祭),       .  ࠪ⨪ 뢠,  ITO 뢠 
७  孮  ᭮;  ⮬    ⫨
    筮 ⮣ ᪠  ᨩ ணࠬ
த⮢.  諮     來 ਬ ⠪ -
樨  裡  室  ᢥ Windows 95.
       ,   Microsoft 㦥 ᮮ騫  襭  -
প  MMX  ᢮  ଥ 孮 ActiveMovie,
Direct3D API (.   "ᮭ  - ..
ࠡ"  ⮬  Hard'n'Soft),  ࢨ᭮  API  ॠ-
 ⠡ ६  嬥୮ 䨪,   ⠪    C++.
  ப ந⥫ 㬥⠫ ।  ਫ,  
⮬ ᫥ Macromedia, NuMega  PowerSoft, ⠪ ࠧ ᢮ ᮣᨥ
ঠ  ७.

                  ᪠ ࠧࠡ稪 ?

     襭 祢,   MMX 孮 ࠣ -
 ࠧࠡ稪 ⨬  ।,  ⠪    
 ⮡    믮塞 㭪権.  ,  
   ᮡ 䫨⮢.     業ࠫ  
쬥  ᥡ ॠ ⮫쪮  ᮢ ⨬ -
⬮.   奬 ࠡ⪨  -० ॠ뢠
ᯥ樠஢묨  ।⢠ ७.  ࠪ⨪ 뢠,  
ॡ  -  㤨ࠡ⪥  쭮  ,  ⮬
ந⥫  ⨬ 㤮  ⠭  .  
 ⮬ ७ ᮢ 権  ஢  業ࠫ  -
  ਢ  ᭨ ⭮⥫쭮 ⮨ ⮣ -
⥫쭮 㤮.   ࠧ,  ⥫쭠 ॠ ࠧ-
稪   ⨬    孮 ।⠢ -
쭮 ⢥.
      ᠥ ந⥫ ஢ ⥪ 86 (AMD, Cy-
rix  .),   -孮      祭
 ᮡ⨥. , ।⠢⥫ AMD ᮮ騫   ⨬-
 ७  騥 ,   ⪠    -
ਨ ⭮⥫쭮 ᮮ⭮襭   .  Cyrix  -
।.   2 ஥ প ⨬-㭪権.  -
 宦,    2  㤥 ন ᯥ樠஢ -
  ⨬,     㤥    ⥬  ᮤঠ
襥  ⢮ ⥫  ७.   ᫥ ६
쭮    ⮬,        ᢮
孨᪨  ᪨ ࠪ⨪  ࠩ   㯠
訬  Intel.   ⮬   ࠧ  쭮 ⥫-
 㢥祭  ந⢥ 魮⥩.   , AMD, Cy-
rix  㣨 ந⥫ ᮡ ᨫ ७  Intel  ,
 ࠩ ,  ⠢  .
        Intel । ᢮ ७⠬   ய-
஢ 86  ࠢ  孮᪮ .  ,    
ᮢ६   㦭  ᯥ樠 ᫨⥫ ன⢠,
뫮 ⭮ 㦥   뫮  ਠ ࠧ.  ᮧ
⤥쭮  ⨬-ᮯ,    祭   㭪権 
⠢ ⠭⭮ ⥪. ਬ,  NexGen ࠫ -
 ਠ -  ࠧࠡ⪥ ⠪ ᯥ樠쭮 ᮯ ᮮ頫
   諮 .   Intel,  ⥯ , ।祫 -
  㣨  ⥬,   ࠧࠡ稪  86 ਤ  
ᥡ   롮 ⥣ 쭥襣 ࠧ  ⥪-
.   ᫨ ୠ   ᭮  ন -
    ⠭  ⥪,  ।    襭
"襣 ",   ७⠬ ᪮॥ ᥣ ਤ ᫥
 . 襭 祢,   ⠪ 樨 Intel ᬮ  
 ஥ ६  㢥   ᢮  ᫥⥫  
யࠬ 86.

                     孮 MMX: ஡.

      ᥣ  ࠡ  ॥,  ᫨  ᯥ樠쭮 -
ன⢮  襭 - ஡.  Intel ⠥ ᤥ -
 ᮭ쭮     ⨬.  ⢨⥫쭮
 "騥  ⠭騥"  室    ᮪  ந-
⥫쭮?   饢 ६ ⨬ ⠭   -
୮.   ᮦ,  ᪮ 믮 ⨬ ਫ
  ⠢  襣.  ,    嬥ୠ 䨪
 祭    ॡ  ࠡ⪨  ⥬.  In-
tel ⢥ত,   ஡ 㤥 襭  ਬ 孮
MMX ( ⢥ত Intel,   㪢    ஢뢠,  ,
,     MultiMedia eXtentions ⨬ -
).  魮 孮 ⮨   ⥪ 
Pentium       ᯥ樠   ࠡ  ⨬-
,   㢥 ᪮ ࠡ ⨬-ਫ  -
  ந⥫쭮 ⥬  楫.  MMX - ࢮ ⢥
  ⥪ ஢ ᥬ⢠ 86  ६ 
  80386.     Pentium  57  権  8
㠫 ॣ஢,  묨  樨  ࠡ.
       樮 ⥬,  ⠪    OS/2    Win-
dows95,  ४祭      樮 ⥬
࠭   ᮤন  ॣ஢   ⮣, -
  ४祭 ⠭ . ⮬    -
  ॣ஢ ॡ   ᠬ  樮  -
,    ਢ  ஡ ᮢ⨬.  Intel
諠  ⠪ ,    ᠭ ஡: -
 樨  ᯮ ॣ 䬥᪮ ன-
⢠,     筮  ࠭  ஡    ᫠    饩
窮.  樨, ᯮ騥  64- ॣ, ਭ-
  ⨯ SIMD (Single Instruction Multiple Data "  ,
⢥  ").   砥,   믮  
   ࠫ쭮  ᪮쪨  .    
  믮   ८ࠧ   ⮪ -
ଠ樨   ᭮  ࠡ  㪮   (  -
楤 믮  ᠬ ணࠬ,   ᯥ樠묨 -
 ࠡ⪨ ᨣ  DSP,  Digital  Signal  Processor).  
䨫   ⨭  ᮧ 嬥୮ ꥪ - ,   ᠬ
,    ,  믮   ⮣  ८ࠧ 
  窨 ࠭.  ࠤ樮  楤 믮 -
஬,  ᫥⥫쭮, ᥫ  ᥫ   樨  ࠡ-
  ᪮쪨 栬  ६.
      樨 ᯮ  ⨯ :  㯠 -
, 㯠 ᫮, 㯠  ᫮ , , 㯠-
 ⢥ ᫮.     ࠭ ᥬ  8-
ᥫ ६,     䥪⨢ ᯮ짮  -
  ࠨ.  ᫮    16--
 ᫮  ⨯  㤮 ᯮ짮  㭨   -
ࠡ⪥ 㪠.    ᫮       32-
 ᫮.  , ᠬ 让   - 㯠 ⢥-
 ᫮ - 室  権,     冷  室
 (ਬ,祪  ࠦ  ࠭ ᯫ).  ⮡ 
ன ᥫ,  㦭 ந ᤢ  ᥬ , ய᪠, ⠪
ࠧ, .  ࠡ 筮  ᫥ 믮 ⠪
樨  ᫥騬 ᥫ 室 㤥     ,
 ᫨ ᯮ짮 , ᫥騥  ᥫ ࠧ  -
㯭묨  ࠡ⪨.
       樨 ࠧࠡ⠭  䥪⨢ ࠡ  -
 - ਫ.    ᯥ樠   ࠡ  
묨 (ਬ, fast multiply accumulte), 䬥᪨ 
 ॠ쭮 ࠡ⪨ , 樨 뫪  㧪, 
樨 ८ࠧ  ࠡ  묨 ⨯   -
 樨  ࠢ  (   䥪⮢,  ⨯
 客  ⨭  ,  ᯮ짮  Chroma
 १  ⨭  㣮   ᪨).    -
樨 ਧ      ணࠬ,   -
 ࠡ⪮ ⨬        ꥬ  
10-20%  ணࠬ,    ६ 믮 -  80%.  ⮣,
⮡ -ਫ  ࠡ    ,    
ᮤঠ  ᨨ   ஢ -  MMX  .    楫
ணࠬ  ᯮ짮    CPU_ID  (  䨪樨
業ࠫ쭮 ), ⮡ ।, ন  -
   ,  㧨 ᮮ⢥騩 .  㯭訥 ந-
⥫  ணࠬ   ⭮ ᯥ祭,   Microsoft,
㦥   প  ⠭. ਬ  孮
 ⢥    ந⥫쭮 ᮭ -
஢.   ⢥ত Intel, ᪮ ࠡ⪨ ࠦ  
40%,    50%, ந⥫쭮 ⥬ ᯮ  㢥-
  200%,  ᪮ ணࠬ, ࠡ뢠 ,  
250%. , ਬ, ᪮ 믮 ⭮ ⭮ ᨭ-
ᮨ쭮 ८ࠧ (Inverse Discrete Cosine Transform,  IDCT),
஥ ਬ  ᦠ⨨ ᨣ,  ᯮ짮 MMX 㢥-
稢  12%.  筮 MMX ᪮  㣨 , ᯮ-
㥬  ⨬ ਫ.   樨   
࠭ १ࢨ஢ ,  ⮬ 室   孮-
    ᮡ ⢥   ந⢮,  १-
 㢥祭 業  ந.    Intel,  
Pentium  প      ⮣ .  -
 , ࠡ   166 ,   祭
55,  ⠪  Pentium Pro  প ,   1997
.  ⥯  ᪠ Intel    ᮮ⢥⢮-
 ⠭ .   ⮬ Intel ﭭ ⬥砥,   -
  ਧ  饥 ⭮  ᯥ祭,  
   ᯮᮡ  ࠡ  ⨬.
=== Cut ===

See You!

        Dimon. [Team OS/2].


--- GEcho 1.02+ Hi!
 * Origin: /103.38 AKA /470.27 White Fang BBS! (2:5020/470.27)


