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    AMDÒѾ­ÈÃÈ«ÊÀ½ç¶¼ÖªµÀÁËËûÃǵÄBarcelonaÊÇÒ»¸öÕæµÄÔ­ÉúËĺËÐÄ£¬¶øIntelµÄËĺËÐÄCPU²»¹ýÊÇÒ»¸öÁ¬ÌåÓ¤¶ù¶øÒÑ¡£Ô­ÉúËĺËÐĵÄÉè¼Æ¿ÉÒÔCacheÖеÄÊý¾Ý½»»»À´µÃ¸üΪѸËÙ¡£ÎªÁËÁ¿»¯Ò»¸öCPU´ÓÁíÒ»¸öCPUµÄCacheÖлñµÃ×îÐÂÊý¾ÝµÄÑÓ³Ùʱ¼ä£¬ÎÒÃÇʹÓÃÁËCache2CacheÈí¼þ²â³öÁËÒÔÏÂÊý¾Ý¡£Cache2CacheÊÇÓÃÀ´²âËãÒ»¸ö´¦ÀíÆ÷¶Á³öµ½ÁíÒ»¸ö´¦ÀíÆ÷´æ´¢µÄ´«²¥Ê±¼ä£¬ÕâÀ﹫²¼³öÀ´µÄÊý¾Ý´óԼΪ´«²¥Ê±¼äµÄÁ½±¶¡£

Cache coherency ping-pong (ns)
  Same die, same package Different die, same package Different die, different socket
Opteron 2350 152 N/A 199
Xeon E5345 59 154 225
Xeon DP 5160 53 - 237
Xeon DP 5060 201 N/A 265
Xeon 7130 111 N/A 348
Opteron 880 134 N/A 169-188

    AMDµÄÔ­ÉúËĺËÐĺÍL1 Cache½»»»ÐÅÏ¢ÐèÒª»¨·Ñ76nsµÄʱ¼ä¡£²»ËãÊǺܳ¤£¬µ«ÊǺͲÉÓù²ÏíL2 Cache·½Ê½ÔÊÐíµ¥¸öµÄË«ºËÐÄÖ®¼äͨ¹ýL2 Cache½»»»Êý¾Ý½ö½ö»¨·Ñ26ns-30nsµÄXeon±È½ÏÆðÀ´¾Í²»ÊǺÜÀíÏëÁË¡£µ±Äã´ÓCore0µ½Core3Ö»¼û½»»»Êý¾ÝµÄʱºò£¬IntelµÄ¡°Á¬ÌåÓ¤¶ù¡±Ö®¼äµÄͨѶʱ¼äÒ²½ö½ö±ÈAMDµÄÔ­ÉúËĺËÐÄÖ®¼äµÄͨѶÂýÁË1ns¡£¸´ÔÓµÄL1-L2-L3²ã´Î¿ÉÄÜ»áĨɱÁË¡°Ô­Éú¡±ËĺËÐĵÄÓÅÊÆ£¬ÎÒÃÇ»¹ÐèÒª¸ü¶àµØÁ˽âÕâЩ¸´ÔӵIJã´Î¡£

  ÒÔÉÏÊÇanandtech¹ØÓÚCache²âÊÔÊý¾ÝµÄ·ÖÎö¡£ÎÒ·¢±íÒ»ÏÂ×Ô¼ºµÄ¹Ûµã£¬Ê×ÏÈ¿´Ò»ÏÂÈý×éÊý¾Ý£¬ÔÙͬһ¸öCPUͬһ¸öºËÐĵÄÇé¿öÏ£¬Opteron 2350 Xeon E5345ÒÔ¼°Xeon 7130µÄ²âÊÔÊý¾Ý·Ö±ðÊÇ152ns 53ns 111ns¡£¿ÉÒÔÃ÷ÏԵķ¢ÏÖCoreµÄ¹¹¼ÜÈ¡µÃÁ˾ø¶ÔµÄÓÅÊÆ£¬¾ÍÏñÔ­ÎÄ×÷ÕßËù·ÖÎöµÄ¹²ÏíL2 CacheÊÇÒ»¸ö¾ö¶¨ÐÔµÄÒòËØ¡£´ÓÕâЩÊý¾Ý¿ÉÒԵóö¹¹¼ÜµÄÇ¿ÈõCore > K10 > NetBurst¡£µ«ÊÇÔÚͬһ¸öCPU²»Í¬ºËÐĵIJâÊÔE5345µÄ³É¼¨Óë2350ºÜÏàËÆ£¬Ò²¾ÍÊÇ˵£¬AMDͨ¹ý¹²ÏíL3µÄ·½Ê½ÓëIntelµÄFSBÐÔÄÜÏ൱¡£½øÒ»²½ËµÃ÷ÁËÔÚºËÐĵÄÉè¼Æ·½ÃæCoreȷʵÊÇÓÅÐãµÄ£¬ÖÁÉÙÔÚCache·½ÃæÊÇÕâÑùµÄ¡£×îºóÒ»×éÊý¾Ý£¬²»Í¬CPU²»Í¬ºËÐÄÖ®¼äµÄÊý¾Ý½»»»AMDÓÖÈ¡µÃÁËÃ÷ÏÔµÄʤÀû£¬Õâ¾Í˵Ã÷AMD»ùÓÚHTµÄÖ±Á¬¹¹¼ÜÏà¶ÔÓÚFSBÀ´ËµÊÇÓÐÏ൱µÄÓÅÊÆµÄ¡£

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   AMDµÄÐÂOpteronÔÚÄÚ´æ×ÓϵͳÉϵĸĽøÓ¦¸ÃËãÊÇ×îΪ³¹µ×µÄÁË£¬´ó¸ÅÒ²¾ÍÊÇL1ûÓз¢Éú±ä»¯£¬ÒÀÈ»²ÉÓÃÁ½Â·µÄ¹ØÁª64KB Cache£¬Ã¿Èý¸öÖÜÆÚÍê³ÉÒ»´Î´æÈ¡¡£¾ÍÏñËùÓеÄCPUÒ»Ñù£¬ÐµÄOpteron 2350¿ÉÒÔÔÚÒ»¸öÖÜÆÚÄÚ´«Êä16byteµÄÊý¾Ý¡£

Read (MB/s) Write (MB/s) Copy (MB/s) Bytes/cycle (Read) Latency (ns)
Opteron 2350 2 GHz 32117 16082 23935 16.06 1.5
Xeon 5160 3.0 47860 47746 95475 15.95 1
Xeon E5345 2.33 37226 37134 74268 15.96 1.3
Opteron 2224 SE 51127 25601 44080 15.98 0.9
Opteron 8218HE 2.6 GHz 41541 20801 35815 15.98 1.1

   L2´ø¿íÎÊÌâÒѾ­À§ÈÅÁËAMDµÄ¹¹¼ÜºÜ³¤Ê±¼äÁË£¬»Øµ½K7À×ÄñµÄʱ´ú£¬AMD¼òµ¥µÃ°ÑL2 Cache¹Ì¶¨ÔÚºËÐÄÉÏ£¬½á¹û¾ÍÊÇͨ¹ýÏà¶ÔÏÁÕ­µÄ64bitͨµÀÔÚL2ºÍL1Ö»¼û´«ËÍÊý¾Ý×î¿ìÒ²Ö»ÄÜÿ¸öÖÜÆÚ2-3¸öbyteµÄÑù×Ó¡£K8µÄ¹¹¼ÜÔÚÕâ·½Ãæ×÷ÁËһЩ¸Ä½ø£¬ÐÔÄÜ´ó¸ÅÌá¸ßÁË50%»òÕ߸ü¶à¡£µ«ÊǼ´±ãÊÇÕâÑù»¹ÊÇÎÞ·¨´ïµ½ÉõÖÁ¶¼ÎÞ·¨¿¿½üIntelÔÚL2·½ÃæµÄÐÔÄÜ¡£ÔÚBarcelonaµÄ¹¹¼ÜÏ£¬Í¨ÍùL1µÄÊý¾ÝͨµÀ±»¼Ó±¶µ½ÁË256bitÁË£¬½á¹ûÒ²ÔÚϱíÖÐÏÔʾ³öÀ´ÁË¡£

Lavalys Everest L2 Bandwidth
  Read (MB/s) Write (MB/s) Copy (MB/s) Bytes/cycle (Read) Bytes/cycle (write) Bytes/cycle (Copy) Latency (ns)
Opteron 2350 2 GHz 14925 12170 13832 7.46 6.09 6.92 1.7
Dual Xeon 5160 3.0 22019 17751 23628 7.34 5.92 7.88 5.7
Xeon E5345 2.33 17610 14878 18291 7.55 6.38 7.84 6.4
Opteron 2224 SE 14636 12636 14630 4.57 3.95 4.57 3.8
Opteron 8218HE 2.6 GHz 11891 10266 11891 4.57 3.95 4.57 4.6

Lavalys Everest L2 Comparisons
  Bytes/cycle (Read) Bytes/cycle (write) Bytes/cycle (Copy)
Barcelona versus Santa Rosa 63% 54% 51%
Barcelona versus Core -1% -5% -12%
Santa Rosa versus Core -39% -38% -42%

  BarcelonaÒ²¾ÍÊÇOpteron 23xxÏà¶ÔÓÚK8µÄ´ø¿íÌáÉý¶¼³¬¹ýÁË50%ÓеÄÉõÖÁ´ïµ½ÁË60%£¬ÎÒÃÇ»¹²âÊÔÁË15¸öÖÜÆÚÄÚµÄÑÓ³Ù£¬ÕâÏî²âÊÔÖÐÈÃAMDµÄL2 CacheºÍIntelµÄCore´¦ÔÚÁËͬһ¸öµµ´ÎÉÏ¡£

µÚÈý´úOpteronÔÚÄÚ´æ¿ØÖÆÆ÷·½ÃæÒ²×÷ÁËÏ൱´óµÄ¸Ä½ø

    ¸üÉîµÄ»º³å£ºÕûºÏµÍÑÓʱµÄÄÚ´æ¿ØÖÆÆ÷ÒѾ­³ÉΪOpteronµÄÒ»¸öÓÐÁ¦µÄÎäÆ÷¡£µ«ÊÇËüÄܹ»´ÓDDR2ÄÚ´æÖÐÄܹ»Õ¥È¡µÄ´ø¿í·Ç³£ÓÐÏÞ¡£Ö»Óе±OpteronÔÚ¸ßÆµÂʵÄʱºòÕâÏî¼¼Êõ²ÅÄÜ´ÓDDR2-667ÉÏ»ñµÃ±È½Ï¶àµÄÐÔÄÜÓÅÊÆ¡£²ÉÓÃÁ˸üÉî²ã´ÎÓ¦´ð»º³åµÄµÚÈý´úOpteronÔÚÕâ·½ÃæÓÐËù¸ÄÉÆ£¬ÒòΪеÄBarcelona²ÉÓÃÁËÐ嵀 Memory Optimizer ¼¼ÊõÒÔ¼°ºóÃæÒªÌáµ½µÄ¶¯Ì¬Ë«µçÔ´¹ÜÀí¼¼Êõ¡£

    д»º³å£ºµ±Socket939½Ó¿ÚÀ´´øÁË˫ͨµÀÄÚ´æÖ®ºó£¬ÎÒÃÇ·¢ÏÖ×ÜÏßµÄת»»ÖÜÆÚ£¨turnaround cycle£©¶ÔÓÚAthlon64µÄÐÔÄÜÓ°ÏìÊǷdz£Ã÷ÏԵġ£ÊÂʵÉÏ£¬°ëË«¹¤µÄÄÚ´æ×ÜÏßÐèÒª»¨·ÑһЩʱ¼äÀ´ÔÚ¶ÁºÍд²Ù×÷Ö®¼ä×÷Çл»¡£µ±ÄãÔÚ939µÄƽ̨ÉϰËËĸöÄÚ´æ²å²Û¶¼²åÂúµÄʱºò£¬×ÜÏßµÄÖÜתÖÜÆÚ½«»á´ÓÔ­À´µÄÒ»¸öÖÜÆÚ×Ô¶¯±ä³ÉÁ½¸öÖÜÆÚ¡£Õâ¿ÉÄܻᵼÖ´óÔ¼9%µÄÐÔÄÜϽµ£¬¾ßÌ廹ÐèÒª¿´ÄãËùʹÓõÄÓ¦ÓóÌÐò¶ÔÓÚÄÚ´æµÄÒÀÀµ³Ì¶È¡£ËùÒÔ×î¼ÑµÄ·½Ê½ÊÇÄãÊÇÄã½ö½öÊÇÓÃÁ½¸öÄÚ´æÌõ×é³É˫ͨµÀÀ´±£³Ö×ÜÏßת»»ÖÜÆÚÔÚÒ»¸öÖÜÆÚÖ®ÄÚ£¬µ±È»Äܹ»ÈÃ×ÜÏßת»»ÖÜÆÚСµ½ºöÂÔ²»¼ÆÊÇ×îºÃÁË¡£ÄÚ´æ¿ØÖÆÆäÖеÄÒ»¸ö16ͨµÀµÄд»º³å¿ÉÒÔÈÃBarcelona°Ñд²Ù×÷½øÐÐ×é°ü£¬È»ºó°´Ë³ÐòµÄËͳö¡££¨¾ßÌåÇë²Î¿´±¾Õ¾µÄÉîÈë°ÍÈûÂÞÄÇÒ»ÎÄ£©

 ¸ü¼ÓÁé»î£ºÄÚ¸ó¿ØÖÆÆ÷¶¼Ö§³Ö¶ÀÁ¢µÄ64bit´æÈ¡¡£

    DRAMԤȡµ¥Ôª£ºDRAMԤȡµ¥ÔªÓÃÀ´µ±Í¨³£Çé¿öÏÂÓ¦¸Ã´ÓÄÚ´æÖдæÈ¡Êý¾ÝµÄʱºòÔÚÄÚ´æÐèÒªÊý¾Ý֮ǰ´ÓÆäÖÐÇëÇóÊý¾Ý¡£

    ¸üºÃµÄ¡°open page¡±¹ÜÀí£ºÊÂÏÈÔÚÄÚ´æÖн«ÕýÈ·µÄÐÐÈ·¶¨ÏÂÀ´£¬ÄÚ´æ¹ÜÀíÆ÷Ö»ÒªÔÙ´ÎÑ¡ÔñÕýÈ·µÄÁоͿÉÒÔ»ñµÃËýÏëÒªµÄÊý¾Ý¡£¶ø²»ÊÇÏñ֮ǰÏÈÑ¡ÔñºÃÕýÈ·µÄÐУ¬½«Æä¼Ç¼ÏÂÀ´£¬ÔÚÑ¡ÔñÕýÈ·µÄÁкó²ÅÄÜÈ·¶¨ÕýÈ·µÄÊý¾Ý¡£ÕâÑù¿ÉÒÔ½ÚÊ¡²»ÉÙµÄÑÓ³Ùʱ¼ä»¹¿ÉÒÔ½ÚÊ¡Äܺġ£

    ·ÖÀëµÄÄÜÔ´¹ÜÀí£º¸øÄÚ´æ¿ØÖÆÆ÷ºÍºËÐÄÌṩ²»Í¬µÄµçѹ£¬¿ÉÒÔÈÃÄÚ´æ¿ØÖÆÆ÷µÄƵÂʸßÓÚºËÐÄ£¬´Ó¶ø»ñµÃ¸ü¸ßµÄÐÔÄÜ¡£

ÏÂÃæ¾ÍÊÇÓÃLavalys Everest 4.0.11²âÊÔµÄÄÚ´æ´ø¿í£º

Lavalys Everest Memory BW
  Read (MB/s) Write (MB/s) Copy (MB/s) Bytes/cycle (Read) Bytes/cycle (write) Bytes/cycle (Copy) Latency (ns)
Opteron 2350 2 GHz 5895 4463 6614 2.95 2.23 3.31 76
Dual Xeon 5160 3.0 3656 2771 3800 1.22 0.92 1.27 112.2
Xeon E5345 2.33 3578 2793 3665 1.53 1.2 1.57 114.9
Opteron 2224 SE 7466 6980 6863 2.33 2.18 2.14 58.9
Opteron 8218HE 2.6 GHz 6944 6186 5895 2.67 2.38 2.27 64

Lavalys Everest Memory BW Comparison
  Bytes/cycle (Read) Bytes/cycle (write) Bytes/cycle (Copy) Latency (ns)
Barcelona versus Santa Rosa 26% 2% 54% 29%
Barcelona versus Core 92% 86% 111% -34%
Santa Rosa versus Core 74% 99% 44% -44%

    ¸üÉî²ã´ÎµÄ»º³åÒÔ¼°¸ü¼ÓÁé»îµÄ2x64-bit´æÈ¡Ôö¼ÓÁ˶Á´ø¿í£¬µ«ÊǶÔÓÚд´ø¿íµÄÔö¼Ó¿ÉÄÜ»¹»áÆðµ½·´×÷Óá£Õâ²»ÊÇÒ»¸öÎÊÌ⣬ÿ¸öÖÜÆÚ»ñµÃ54%µÄÐÔÄÜÓÅÊÆÊÇÒ»¸ö¾Þ´óµÄÓÅÊÆ¡£

    »¹ÓÐһЩanandtechÎ޹ؽôÒªµÄ˵Ã÷ÔÚÕâÀï¾Í²»·­ÒëÁË£¬ÏÂÃæ·¢±íÒ»ÏÂÎÒ×Ô¼ºµÄ¹Ûµã¡£´ÓÕâЩÊý¾ÝÀ´¿´£¬¾ÍÄÚ´æ×ÓϵͳÀ´Ëµ£¬AMDµÄ¼¯³ÉÄÚ´æ¿ØÖÆÆ÷µÄ¹¦ÄܵÄÇ¿´óÓÅÊÆ´ó¼ÒÔçÒѾ­Ã÷°×ÁË£¬ÕâÀï¾Í²»ÔÙÖØ¸´µØËµÁË¡£ÐèҪ˵µÄÊÇAMDµÄÐµĶ¯Ì¬µçÔ´¹ÜÀí¼¼Êõ£¬´ÓÊý¾ÝÉÏ¿´BarcelonaÏà¶Ô֮ǰµÄSanta RosaÌáÉýÁË×î¸ß´ï54%£¬Ó¦¸Ã˵ÕâÏî¼¼ÊõÊÇÏ൱µÄÓÐЧµÄ£¬Ôö¼ÓÁËÄÚ´æ¿ØÖÆÆ÷µÄƵÂÊ´øÀ´µÄ´ø¿íµÄÔö¼ÓÊDZȽϿ͹۵ġ£¿ÉÒÔ¿´³öÀ´ÔÚÄÚ´æÃܼ¯Ð͵ÄÓ¦Óõ±ÖÐOpteron»áÕ¼¾Ý±È½Ï´óµÄÓÅÊÆ¡£

64-bit Linux Java ÐÔÄÜ: SPECjbb2005

    SPECjbbÐèÒªµÄÊÇÓÅÐãµÄÕûÊý¼ÆËãÐÔÄÜÒÔ¼°³¬Ç¿µÄÄÚ´æ×Óϵͳ£¬ÌرðÊÇ£¬Èç¹ûÄã²âÊÔÁËÎÒÃÇËùʹÓõÄһЩÀý×Ó£¬ÄÇЩÕûÊý·½ÃæµÄÌáÉý»á°ïÖúBarcelonaÄØ£¿Ê¹ÓÃ32byte¶ø²»ÊÇ֮ǰµÄ16byteµÃÈ¡Êý¾Ý´ø¿í»áÈýâÂëµÄËٶȽÏ֮ƽ¾ùËÙ¶ÈÓÐЩÐèµÄÌá¸ß¡£µ«ÊÇÕâÖ»ÄÜÔÚCPU¼ÆËãÿ¸öÖÜÆÚ¶à¸öÖ¸ÁîµÄÇé¿öϲŻáÌá¸ßÐÔÄÜ£¬SPECJbb¾ÍÊÇÕâÑùÀàÐ͵ÄÓ¦ÓóÌÐò£¨IPC´ó¸ÅÔÚ0.2-0.5Ö®¼ä£©¡£

    AMDµÄÂÒÐòËã·¨£¬Ò²¾ÍÊǽ«Ä³Ð©¶ÁÖ¸Áî·ÅÔÚд²Ù×÷֮ǰִÐжÔÓÚÕûÊý´úÂëÌØ±ðÊÇ´æÈ¡ÄÚ´æ´ÎÊý±È½Ï¶àµÄ´úÂëÀ´ËµÓкܴóµÄÐÔÄÜÌáÉý¡£Õâ¸öÌØÐÔÔÙIntelµÄPentium Proʱ´ú¾ÍÓµÓÐÁË£¬µ«ÊÇAMDÖ±µ½ÏÖÔڲżÓÈë¡£ÕâÏîÌØÐÔÈÃAMDµÄBarcelona±ÈÒÔǰ¶àÁ˸ü¶àµÄ¡°ÂÒÐò¡±£¬InteµÄCore¹¹¼ÜÔÚÕâÏîÌØÐÔÉÏÓµÓиü¶àµÄÁé»îÐÔ¡£µ«ÊÇÔÚSPECJbb²âÊÔÖУ¬¿¼Âǵøü¶àµÄ»¹ÊÇÄÚ´æ´ø¿íµÄÔö¼Ó¡£

    SPECjbb2005ÆÀ²âµÄÊÇ·þÎñÆ÷¶ËJavaµÄÐÔÄÜ£¬ËûÄ£ÄâÁË3²ã·þÎñÆ÷/¿Í»§ÏµÍ³£¬Öصã·ÅÔÚÁËÖмä²ã¡£ÎªÁ˱ÜÃâʹÓÃÒÀ¿¿´ÅÅÌÐÔÄܵÄÊý¾Ý¿âϵͳ£¬SPECJbbʹÓÃÁËJava Collections´´½¨µÄ¶ÔÏó±í¡£SEPCJbbµÄ³É¼¨ÒÀ¿¿±»²âÊÔϵͳµÄÒ»ÏÂÐÔÄܵÄÇ¿Èõ£º

The JVM (Java Virtual Machine JavaÐéÄâ»ú)
CPU´¦ÀíÄÜÁ¦
CacheºÍÄÚ´æµÄËÙ¶È
Multiprocessing configuration (Scalability)

    ÎÒÃǵÄÄ¿µÄ²¢²»ÊÇÒªÏÔʾÎÒÃǵIJâÊÔ·ÖÊýÓжàôµÄ¸ß£¬Ö»Òª»¨Ò»Ð©Ê±¼äÀ´ÓÅ»¯ËüÃǵÄJVM£¬¾ÍÓпÉÄÜ»ñµÃ¸ßÓÚÕâÀïµÄ·ÖÊý¡£ËùÒÔÎÒÃÇÔÚ²âÊÔÖÐÑ¡ÔñÁËÔÚ¸÷ÖÖϵͳÖиüΪÆÕ±éµÄµ÷½ÚÀµ×÷Ϊ²âÊÔ±ê×¼£¬JVMʹÓõÄÊÇSunµÄversion 1.5.0_08¡£ÎÒÃDzâÊÔÁËSPECJbb2005µÄËĸöÓ¦ÓóÌÐò£¬²¢ÇÒʹÓÃÁËNUMActlÕâ¸ö¹¤¾ß½«Ã¿¸öJavaÓ¦ÓóÌÐò·ÖÅäµ½¶ÀÁ¢µÄ½Úµã¡£µ«ÊÇÔÚIntelƽ̨ÉÏÎÒÃDz»Õâô×ö£¬ÒòΪÕâÑù¿ÉÄܻᵼÖ¸üµÍµÄÐÔÄÜ¡£ÏÂÃæÊÇÎÒÃǵĵ÷½Ú²ÎÊý¹©´ó¼Ò²Î¿¼£º

On the Opteron we used:
numactl --cpunodebind=$node --membind=$node -- java -cp jbb.jar:check.jar -Xms2g -Xmx2g -Xmn1g -Xss128K -XX:+AggressiveOpts -XX:+UseParallelOldGC -XX:+UseParallelGC spec.jbb.JBBmain -propfile SPECjbb.props -id $x

On the Xeons we used:
java -classpath jbb.jar:check.jar -Xms2g -Xmx2g -Xmn1g -Xss128K -XX:+AggressiveOpts -XX:+UseParallelOldGC -XX:+UseParallelGC spec.jbb.JBBmain -propfile SPECjbb.props -id $x

     еÄOpteron£¨2350£©·Ç³£³öÉ«£¬ÐÔÄÜÓë2.4GµÄClovertownÏ൱£¬µ«ÊÇ»¹ÊÇÂäºóÁËÀϵÄOpteron 880,ÕâÖ÷ÒªÊÇÒòΪ´ø¿íÌØ±ðÊÇ20%µÄCPUƵÂÊ·½ÃæµÄ²î¾à¡£²»¹ýÔÚ×¢ÖØÄÚ´æ×ÓϵͳµÄSPECJbb2005µÄ²âÊÔÖУ¬AMD»¹ÊÇÀíËùµ±È»µÄ»ñµÃÁ˾ø¶ÔµÄÁìÏÈ£¬ÕâÒ²ÈÃÎÒÏëµ½ÁËΪʲôAMD¶ÔÓÚ²ÉÓÃеÄÄÚ´æ×ÜÊDzÉȡһÖÖ±£ÊصÄ̬¶È¡£Ô­ÒòÓÐÁ½¸ö£¬Ê×ÏȾÍÊÇAMD±¾ÉíÒòΪÓÐÁ˼¯³ÉÄÚ´æ¿ØÖÆÆ÷¼¼ÊõÒѾ­ÔÚÄÚ´æ×Óϵͳ·½ÃæÈ¡µÃÁËÏ൱µÄÁìÏÈÓÅÊÆ£¬ÔÙÓоÍÊǹؼüµÄ¼Û¸ñÒòËØ£¬DDR3Ïà¶ÔÓÚDDR2À´ËµµÄ¼Û¸ñµÄÁÓÊÆÊǷdz£Ã÷ÏԵģ¬AMDµÄÕûÌ×ϵͳ²»ÄÜÒòΪһ¸öÄÚ´æ¶øÉ¥Ê§ÁËÓÉÓÚCPUµÄµÍ¼Û¸ñ´øÀ´µÄÐԼ۱ȡ£ÕýÊÇ»ùÓÚÕâÑùµÄÁ½¸öÔ­Òò£¬ºÜºÃµØ½ÒʾÁËÎÒÔÚ½ñÌìÉÏÎçµÄÐÂÎÅÖÐÌáµ½ÁËAMDµÄBarcelonaÔÚÄÚ´æ¿ØÖÆÆ÷µÄÉè¼ÆÖÐÒѾ­¿ÉÒÔÖ§³ÖDDR3,µ«ÊÇÏÖÔÚÔÚ¸÷ÖÖÐû´«ÖÐȴһֱûÓÐÌáµ½µÄÔ­Òò¡£

 
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