Date
1 - 5 of 5
Very Fast Booting short paper
Jun OKAJIMA <okajima@...>
ãã®MLçã«ããã°ã
å²¡å³¶ïŒ ãããããŒãã§ãïŒïŒïŒã ãªãããå¢ãã§ãèµ·åé床ã®é«éåã«é¢ããŠ é§æãæžããŠããŸããŸããã ãç¬èЧããã ãªããããã«çºè¡šãã¹ããã©ããè¿·ã£ããã§ããã»ã»ã»ã ã©ãããé©åãªå Žæããåç¥ã§ãããèªå°ããŠãã ããã æšæ²ããªãã§ãªããšãªãæçš¿ããŠãŸãã®ã§ã 衚èšãªã©ã¯ãã¡ããã¡ãã§ãã ãã®ãããã¯ããããŸã§MLäžã§ã®ããšãšã㊠平ã«ã容赊ãã æéäŒç€Ÿããžã¿ã«ã€ã³ã㩠岡島 çŽ http://www.machboot.com/ http://www.digitalinfra.co.jp/ http://www.colinux.org/ To non Japanese: This is a short paper about very fast booting of digital gadgets. My proposal is like this. New technologies like MRAM/FeRAM do not help. Just using existing ways with some improvement would be enough. For example, just using suspending boot could achieve less than 1 sec boot. ----- â ç¬éèµ·åã«é¢ããäžèå¯ â¡ ã¯ããã« è¿å¹Žãããžã¿ã«æ å ±æ©åšã®æ®åã«äŒŽãã èµ·åæéã®å€§å¹ ãªççž®ã«é¢ããç ç©¶ãè¡ãããŠãããŸãã æè¿ã®é«æ©èœåç«¶äºã«äŒŽããèµ·åæéã¯éåžžã«é·ããªã£ãŠããã®ã§ã ãã®ççž®ãéèŠãªã®ã¯åœç¶ã§ãã ããã«ãæè¿ã¯ãMRAMãªã©ãã€ããã ãŸã£ããç¬éçã«èµ·åããæè¡ããããŸãã ããã¯ãåã«èµ·åãé«éã«ãªãã ãã§ã¯ãªãã é«éãªèµ·åã«ãããããŸããªé»æºåæã®è² æ ãæžããããã ãšããããã¢ãã€ã«åããžã¿ã«æ å ±æ©åšã«ãšã£ãŠã¯ã æ¶è²»é»åã®åæžã«ãªããŸãã ãŸããæ®ã眮ãåã®å Žåã§ããåŸ æ©é»åã®åæžã«ã çµã³ã€ããŸãã 以äžãèããã°ã å©äŸ¿æ§ãšå°çç°å¢ã®åæ¹ã«ãã éèŠãªç 究課é¡ãšãããŸãã â¡ ææ³ïŒ ã¹ãªãŒãã¢ãŒã åžžã«é»æµãæµããŠããæ¹æ³ããä»®ã«ã¹ãªãŒãã¢ãŒããšåŒã³ãŸãã ãã®ææ³ã¯ããããªããããªã©ã§ã¯äžè¬çã§ãã ãã®å Žåãèµ·åã¯éåžžã«é«éã«ãªããŸãããæ¬ ç¹ãäºã€ãããŸãã ïŒãåŸ æ©é»åãå¢ããã ïŒããªããŒãã¯é«éåãããªãã â¡ ææ³ïŒ ãµã¹ãã³ã åºå®çãªãµã¹ãã³ãã€ã¡ãŒãžãçšããé«éã«èµ·åãããã ã»ã»ã»ã£ãŠããµã¹ãã³ãæ³ã§çšèªã¯ããã®ãïŒ ã¹ãããã·ã§ããæ³ããšãã®åŒã³æ¹ãããã§ããããã ã©ãããŸããããã ã§ããã®MLçã«ã¯ããœããŒã®ç¥é·æ°ããã£ãŠãŸããã åçšã§ã¯ããã©ã€ããŒã¯ã¹ç€Ÿããã£ãŠããŸãã æ¬ ç¹ã¯ä»¥äžã ïŒãããŒãã®ãã³ã«ãåãç¶æ ã«æ»ã£ãŠããŸãã ïŒãåäžããŒãã§ãªããšåããªãã ãïŒãã®æ¬ ç¹ã®ãããéåžžã®PCçã«ã¯äžåãã§ã æ å ±å®¶é»åãææ³ãšãããŸãã â¡ ææ³ïŒ CD-ROM ããŒãã®é«éå ææ³ã¯ãããããããŸãã æåå³åã§ãããåŒç€Ÿã® MACH BOOTãæéã§ãããã ã¡ãªã¿ã«ããã£ãšé«éåã§ãããã§ããã çããã®åå¿ãããããšã é«éåãããæ©èœæ§ãªã©ã®è¿œåã®ã»ããéèŠã£ãœãã§ãã å©ç¹ïŒ ã»ã»ãŒå®ç§ãªPnPãç¬éçã«å®è¡ã ã»CD-ROMãªã®ã§ããã¬ã¹ã«ãã倧éé åžãå¯èœã â¡ ææ³ïŒ äžæ®çºæ§ã¡ã¢ãªã®å©çš MRAM/FeRAM ãªã©ãšããžãã¯åè·¯ãçµã¿åããã çªç¶é»æºãèœãšããŠãä»ãŸã§ã®ç¶æ ãä¿ãŠãããã«ããã æè¿åºãŠããæ¹æ³ã ãšããããããã®å®çšåã®å¯èœæ§ãèŠããŠããã®ã§ ãã®é§æãæžããŠããã ãã ãããã®çµè«ã¯ããããŸãæå³ã¯ãªãããšãªããã§ããã â¡ ç¬éèµ·åã®äœ¿çšç¶æ³ ããã§ãã䜿çšç¶æ³ããšããçšèªã䜿ãã®ãæ£ãããããããŸãããã ããã¯ãã©ããã£ããšãã«ã©ããã£ãé£äžãäœã®ããã«äœ¿ã£ãŠãããã ãšãããããªæ¥µããŠããŒã±ãã£ã³ã°çãªè©±ã§ãã ã§ããããããŒã±ãã£ã³ã°çšèªãšããŠæ£ãããã§ããããã ãšããããæ£ãããšããŠè©±ãç¶ããŸãã ãšã«ããããã®ããŒã±ãã£ã³ã°çãªè©±ãéèŠãªãã§ãã â¡ ç¬éèµ·åã®äœ¿çšç¶æ³ ããžã«ã¡ç·š ããšãã°ãããžã«ã¡ãèããŸãã ã·ã£ãã¿ãŒãã£ã³ã¹ãéããªãããã«ããç¬éèµ·åã¯éèŠã ãšæããŸãã ã§ããã¹ã€ã«0.01ç§ã§èµ·åããå¿ èŠæ§ã¯ãªãããã§ããã ãããªããšããå šæ©èœã0.01ç§ã§èµ·åããå¿ èŠæ§ã¯ãªãã ããžã«ã¡ã®å ŽåãCCDã®åºåããã¡ã€ã³ããŒæ¶²æ¶ã«åãããã«ãªã ïŒãªããŠãããã ïŒïŒãŸã§ã®æéã¯æ©ããã°æ©ãã»ã©ããã 0.01ç§ãšããªãæé«ã ã§ãããã¹ã³ãã®èšè ãšããç¹æ®ãªè·æ¥ãããªããããã ã·ã£ãã¿ãŒãæŒãããŸã§ã®æéããããŸã§çãå¿ èŠæ§ã¯ãªãã 1ç§ããã£ãŠãOKã ãŸããŠããå šæ©èœãç¬éçã«äœ¿ããå¿ èŠæ§ãªããŠå šç¶ãªãã ã³ã³ãã£ã°ã®ã¡ãã¥ãŒãªããŠãèµ·åã«10ç§ããã£ãŠãOKã ããã¯ããã¡ã€ã³ããŒåºåã®éšåã ãç¬éçã«èµ·åããããã«ããã°ããã ã§ãããã ãã©ãããšããã®éšåã«äœããã®ãã€ã³ã³å¶åŸ¡ãæããŠããŠãã ãã®èµ·åãªããŠãããç°¡åã ããã ç¬éèµ·åãªããŠèª°ã§ãå®è£ ã§ããã ããã¯ãå®éã®äœ¿çšç¶æ³ã«ãããç¬éèµ·åã¯ã ããããé£ãããªããã ã â¡ ç¬éèµ·åã®äœ¿çšç¶æ³ HDDã¬ã³ãŒããŒç·š ããŸããã£ãšãç¬éèµ·åãæ±ããããŠããã®ã¯ããããã ããã¯ãããŸã®HDDã¬ã³ãŒããŒã£ãŠãå®ã¯ã Linuxå èµã®ããçš®ã®ãã«ãã¡ãã£ã¢ããœã³ã³ïŒç¬ãïŒãªãã ãã©ã ãšã«ããèµ·åãé ãã 1åãšãæãããã ããä¿¡ããããªãã åççã«ã¯ããç¿ã®åè»¢åŸ ã¡ãšããèããŠãã VHSã®ããŒãã£ã³ã°ããé«éã«ã§ããã ãïŒ ç¬¬äžããHDDã¬ã³ãŒããŒã£ãŠã®ã¯ã 決å®çç¬éãéããé²ç»ã§ããã èŠããã·ãŒã³ãããèŠããã ãããã£ãããšãããšããšãŠãªã ã£ããã ããã ããããäœç§ã§èµ·åãããã°ãããã 1ç§ã2ç§ã§ãããã ãã以äžé«éåããŠããããŸãæå³ã¯ãªãã ãããšãã0.01ç§èµ·åã ãã©3å²é«ãã ãšããHDDã¬ã³ãŒããè²·ããŸããïŒã â¡ æ å ±å®¶é» ããã§ããæ å ±å®¶é»ãšããã®ã¯ã ããšãã°ããã©ãã·ã¥ROMã«ç¬èªLinuxãã¹ã¯ããããFirefoxãOpenOffice ãªã©ããã¬ã€ã³ã¹ããŒã«ãããŠããIBM-PCã§ããã ãã®ãã¬ã€ã³ã¹ããŒã«ãœããã§ã®å©çšããåæãšãããŠããªãç¹ãé€ãã°ã éåžžã®IBM-PCãšïŒã»ãŒïŒåçã®ãã®ããããŸãã å¥ã®èšãæ¹ããããšãæã®ã¯ãŒããå°çšæ©ã®é²åç³»ã§ãã ãŸããäŒç»æ¡ã ãã¯ã©ãã®ã¡ãŒã«ãŒã§ãåºãŸãã£ãŠããã§ããããå€åã ã§ããããªãã§ããã1ç§ã2ç§ã§ããŒãããã°ååã§ãããã ãããéèŠãªã®ã¯ã黿ºOFFã«ãããæéã§ã 1ç§ã§ãµã¹ãã³ãïŒãã€ããïŒããŠé»æºOFFãšãã ãšããããã§ããªã ããã¯ãææžã®ä¿åãšãèããªããŠãã æ¥µç«¯ãªè©±ããããªãã³ã³ã»ã³ããåŒãæããŠãã ãã£ãã·ã¿ã§1ç§éæãããŠããã®ããã ã«ãµã¹ãã³ããããšããã ããã¯ãŠã±ããã â¡ PDA ã¶ãŠã«ã¹ãšãiPhone ã¿ãããªã®ãã ãããã1ç§ã2ç§ã§ååã 现ããããšãèšããšã ç»é¢ã®ã¬ãžã¥ãŒã ã ãã¯å ã«ãããšããããã ããã¯ãåå黿ºOFFã®ãšãã®ç»é¢ãã 黿ºONã®ç¬éã«æ»ããšããã¯ããã§ããããã ãªããããæ¹ã¯ãããããããã©ã çªç¶é»æºãåããããã«ããŠããïŒã ãããã黿ºãã¿ã³é·æŒããšãããã€ã€ã ã ã¹ã©ã€ãã¹ã€ããã§ãªã³ãªãã§ããããã«ããŠããïŒïŒïŒã ã¹ã©ã€ãã¹ã€ããããããã«ãã£ã«ãã£ãããŠã äœã®åé¡ããªããããªãã€ãããã åœç¶ãææžäœæäžã«é»æºãåã£ãŠãã äœæäžã®ææžã¯æ¶ããªãã®ã¯åœç¶ã ã§ããã°ããã¹ãŠã®ç¶æ³ããµã¹ãã³ããããŠãããããªãã€ãã â¡ æºåž¯é»è©± ããããã¯ã1ç§ã2ç§ã æ¬åœã¯ãåãåŸ ã¡ç¶æ ãžã®ç§»è¡ãç¬éçã ãš çé»åãšããšã絡ãã§é¢çœããã ãã©ã 黿³¢ãæŽãã®ã«å¿ èŠãªæéãèãããšã OSã®ããŒããšã¯ããŸãé¢ä¿ã®ãªã話ã ãã ããé»è©±çªå·ã®å ¥åã ãã¯ç¬éçã«ã§ãããšããããã 黿ºãªã³ã®0.01ç§åŸããå ¥åå¯èœãã¿ãããªã®ãã â¡ ãã¹ãŠãé«éåããå¿ èŠæ§ã¯ãªã 以äžã®è°è«ã§ãããããã«ã 0.01ç§ãªã©ã®ç¬éèµ·åããã¹ãŠã®å Žåã§å¿ èŠãªããã§ã¯ãªãã ã©ã®çšåºŠã®èµ·åé床ãå¿ èŠãªã®ãã¯ã ãŠãŒã¶ããŒãºãšã³ã¹ãã®ãã©ã³ã¹ãçšã¿ãªãã æ éã«æ±ºå®ãããšãšãã«ã åãèµ·åé床ããã¹ãŠã®éšåã«é©çšããã®ã§ã¯ãªãã éšåéšåã§èµ·åé床ã®ç®æšãåå¥ã«èšå®ããã â¡ èµ·åé床ã®é«éåã®éç ãã¡ãããMRAMãªã©ã䜿ãã°ããŸã£ããç¬éãªã®ã ãã ããšãã°ããµã¹ãã³ãæ³ãªã©ã䜿ã£ãŠãã å®è³ªçã«ã¯éåžžã«é«éã«èµ·åãããããšã¯å¯èœã ãªããªãããµã¹ãã³ãæ³ã䜿ã£ãå Žåã®èµ·åæéã¯ã 以äžã®ïŒã€ã«äœ¿ãããŠããã ïŒãããŒããŠã§ã¢ã®å®å®å ïŒãããŒããŠã§ã¢ã®åæå ïŒããµã¹ãã³ãã€ã¡ãŒãžã®ããŒã ãïŒãã¯ãããã¯ãã³ã³ãã³ãµããã£ãŒãžãã㊠ãã¯ãŒãªã³ãªã»ãããããŠããããšããæéãã ïŒããããªããŠãããã ïŒïŒã ããã«é¢ããŠã¯ãã¹ã€ã«MRAMã䜿ã£ãŠãåãæéã¯ãããã ãïŒãã ãããããã»ãŒãŒãã«ããããšã¯åé¡ãªãã åã«ãèšå®ã¬ãžã¹ã¿ã«é©åœã«å€ãå ¥ããŠããã ãã IBM-PCãšãã§ãããåŠã«æéããããã®ã¯ã PnPãããããã«ãå¥åŠãªã¯ãŒã¯ã¢ã©ã³ãã®é¢ä¿ã§ æå³äžæã®ãŠã§ã€ããå ¥ããŸãã£ãŠãããã ãã®ããããç¡èŠãã ç¹å®ãããã ãåãã°OKããšã°ããã«ãŠã§ã€ããå€ãã°ã ããŸã§ãéåžžã«éããªãã ãïŒãã ãã©ãããã ã£ãŠãããã§ãé«éåå¯èœã æ£çŽãããšãã°ã ããŸã®IBM-PCïŒããŸã®CD-ROMãã©ã€ãã§ãã ããšãã°ãWindowsãã¹ã¯ãããã5ç§ä»¥å ã« èµ·åããããšã¯å®ã¯å¯èœã ããããããšãã° Vistaã ã£ãŠèµ·åå¯èœã ãšããããããŸã®OSã®èµ·åã¯é ãããã ãŸããŠããã¡ãã£ãšH/Wãã€ãžããšãšãã«ã ããŒãããã€ã¹ããã©ãã·ã¥ROMã«ããã°ã1ç§ä»¥å ã§èµ·åã§ããã Windowsã1ç§ã§èµ·åã ãããããé ãããªïŒ â¡ ã¹ãªãŒãã¢ãŒã 確ãã«ãã¹ãªãŒãã¢ãŒãã¯åŸ æ©é»åã䜿ãããšããåé¡ç¹ãããã ããããæ¥µéãŸã§åŸ æ©é»åãå°ãªãããçŽ åãéçºããããšã¯å¯èœã MRAMã䜿ã£ãç¬éèµ·åå¯èœçŽ åã®éçºãšæ¯èŒãã ã©ã¡ãã容æãã¯è°è«ãããã ãããåŸ æ©é»åãå®è³ªãŒãã®çŽ åãããã°ã MRAMæ¹åŒã¯ãããã£ããæå³ã倱ãã â¡ MRAMãçšããç¬éèµ·å 確ãã«ããã®æ¹æ³ã¯ãå®è³ªçã«ãŸã£ãããŒãæéã§ã® 黿ºONããã³é»æºOFFãå¯èœã«ãã ããã¯ãããšãã°ã黿ºã¹ã€ããã®ãªãããŒãPCã ãšãã£ããŸã£ããæ°ããååã®ææ¥ããå¯èœã§ã éåžžã«è峿·±ãæè¡ãšãããã ãããããã®æè¡ãå©çšããããšã¯ã æ°æè¡ã«åºã¥ãã äœæ©èœãã€é«äŸ¡ãªéšåãå©çšããããšã«ãªãã ãã®åŸåã¯ãããã«MRAMæè¡ãé²åããŠãã ã»ãŒæ°žé ã«å€ãããªããã®ãšæãããã ãŸããåœé¢ã®éãæè¡çã«äžå®å®ã§ãã£ãŠã éç£äžã®åé¡ç¹ãªã©ãäºæãããã ãã®ãããªåé¡ç¹ãå·®ã眮ããŠã§ãå©çšãã¹ãã åŠãã§ããããçè ïŒå²¡å³¶ïŒã¯éåžžã«åŠå®çãªæèŠãæã£ãŠããã çç±ã¯ãMRAMãå©çšããªããšéæã§ããªããã㪠起åé床ãèŠæ±ãããŠããéšåããå®éã®äœ¿çšã«ãããŠã¯ ããäžéšã«éããªãããšã§ããã ãããŠããã®éšåããMRAMã®å©çšã ããå¯äžã®å¯Ÿå¿çã§ã¯ãªãã ãã®ã»ãã®çã§ãé«éåãå¯èœãªå Žåãã»ãšãã©ã ãšæãããã ãã£ãŠãMRAMã«ããé«éåã¯ãçŸåšã®æç¹ã§ã®äºæž¬ãšããŠã¯ã éåžžã«å°èŠæš¡ãªå©çšã«ãšã©ãŸããšæãããã ãªãããããéã«ãMRAMã«ããç¬éèµ·åãå€§èŠæš¡ã«å©çšããããšããã°ã ãããåæãšãããç»æçæ©åšãçŸãããšãã§ãããã å ·äœçã«ã¯ãäžã§ãè¿°ã¹ããããããã黿ºã¹ã€ãããšããæŠå¿µã®ååšããªã ããŒãPCãªã©ã§ããã ãããããã®ããã«ã¯ãå éšã®çŽ åã ãã§ãªãã æ¶²æ¶ãã¡ã¢ãªãŒæ§ããããªããã€åå¿é床ãéããªããã€é«ã³ã³ãã©ã¹ããã ã¿ãããªãŸã£ããæ°ãããã®ãå¿ èŠã§ãããã ãŸãããããããOSã®ã¹ã±ãžã¥ãŒãªã³ã°ãã¢ããªã®å éšæ§é ãã ãããŠãŠãŒã¶ã€ã³ã¿ãŒãã§ãŒã¹ãã»ã»ã» ãã¹ãŠãå€ããªããšãããªãã ããã¯ãããŸãã«ãå€§èŠæš¡ãªéçºã§ãã£ãŠ æ£çŽã«ããã°éçŸå®çãšããæããªãã å€åããªã«ãã«ã¯å¿çšãããã ãããã ãã£ãšå°èŠæš¡ãªãããçååã§ã¯ãªãã®ãïŒ â¡ ãŸãšã ãµã¹ãã³ãæ³ãªã©ã®åŸæ¥ææ³ã«ããé«éåã ãã§ãã ååãªé床ãåŸãããã MRAMãªã©ã«ããé«éåã¯ãéåžžã«ç¹æ®ãªå Žåã®ã¿ã«ãšã©ãŸãã§ãããã ------------- Further reading: Check Nikkei Electronics (magazine) Jul 31 2006 issue. 以äžã®è©±ã¯ãæ¥çµãšã¬ã¯ãããã¯ã¹2006幎7æ31æ¥å·(931å·ïŒã«ã èŒã£ãŠããŸãã äŸã®å°æ¹Ÿå€§æEMSããã³ãã€ã®ç¹éå·ãªãã§ã ãããã£ã芳ç¹ãããé¢çœãããã |
|
Bill Traynor <wmat@...>
You may wish to post this paper at: http://elinux.org/Boot_Time
toggle quoted message
Show quoted text
ãã®MLçã«ããã°ã |
|
Geraldo Netto <geraldonetto@...>
Btw, would be possible to translate to english?
toggle quoted message
Show quoted text
Geraldo São Paulo, Brasil, -3gmt site: http://exdev.sf.net/ msn: geraldo_boca_at_hotmail.com skype: geraldo-netto icq: 145-061-456 2008/6/20 Bill Traynor <wmat@...>: You may wish to post this paper at: http://elinux.org/Boot_Timeãã®MLçã«ããã°ã |
|
Tim Bird <tim.bird@...>
Jun OKAJIMA wrote:
OK - I couldn't read the paper, and was quite interested in the topic, so I started my own translation of it. I have just been using Google translate and trying to piece together some sentences to make sense of it. However, I'm not sure it's working too well. What I've done so far is at: http://elinux.org/Fast_Booting_Translation I've run out of time today (I'm getting ready for OLS), but if anyone wants to help with the translation, please do. Any help is much appreciated. Thanks, -- Tim ============================= Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America ============================= |
|
Jun OKAJIMA <okajima@...>
The paper describes marketing and psychological
toggle quoted message
Show quoted text
aspect of fast booting. And this kind of issue is a bit hard to discuss in foreign languages... Anyway, my opinion is, leaping to showy technologies, like MRAM is not so recommended, although using showy stuff always sounds quite attractive to geeks including me. For now, I believe that using normal technologies like suspending boot can achieve enough quickness without risks to adopt new fancy technologies. You seems to be a manager of Sony USA? if so, my advise is, think what you are working for. Company profit? or techies(including me) dream? And, if you go OLS, maybe you can get a "free" translator, because some Japaneses will go there ( but not me). --- Okajima, Jun. Tokyo, Japan. http://www.machboot.com/ http://www.digitalinfra.co.jp/ 2008/7/18 Tim Bird <tim.bird@...>: Jun OKAJIMA wrote:OK - I couldn't read the paper, and was quite interested |
|