Multi Chipset

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‫ﻧﻮﻳﺴﻨﺪﻩ ﺑﺎﺑﻚ ﺳﺮﺧﭙﻮﺭ‬

‫‪Profusion ChipSet‬‬ ‫‪Intel 1999‬‬ ‫ﭼﻴﭙﺴﺘﻬﺎﻱ ﭼﻨﺪ ﭘﺮﺩﺍﺯﻧﺪﻩ ﺍﻱ ‪ ٨‬ﻣﺴﻴﺮﻩ‬ ‫ﻋﻨﻮﺍﻥ ﻣﻄﺎﻟﺐ ‪:‬‬ ‫‪ : ١ . ١‬ﺣﺎﻓﻈﻪ ﺍﺷﺘﺮﺍﻛﻲ ﭼﻨﺪ ﭘﺮﺩﺍﺯﺷﻲ ‪.‬‬ ‫‪ : ٢ . ١‬ﻣﻌﻤﺎﺭﻱ ‪ NUMA‬ﻭﻳﮋﻩ ﺳﻴﺴﺘﻤﻬﺎﻱ ‪ Unix‬ﺑﺴﻴﺎﺭ ﺑﺰﺭﮒ ‪.‬‬ ‫‪ : ٢ . ٢‬ﻣﻌﻤﺎﺭﻱ ﺑﺎﺱ ﭘﺎﻳﻪ ﭼﻨﺪ ﭘﺮﺩﺍﺯﺷﻲ ) ‪. ( Bus - Base‬‬ ‫‪ : ٢ . ٢ . ١‬ﺳﻠﺴﻠﻪ ﻣﺮﺍﺗﺐ ﺑﺎﺳﻬـــﺎ ‪.‬‬ ‫‪ : ٢ . ٢ . ٢‬ﻣﻌﻤﺎﺭﻱ ﺣﺎﻓﻈﻪ ‪Dual - Ported‬‬ ‫‪ : ٢ . ٣‬ﻣﻌﻤﺎﺭﻱ ﺳﻮﺋﻴﭻ ﭘﺎﻳﻪ ‪( Switch - BASE ) SMP‬‬ ‫‪ : ٢ . ٤‬ﻣﻌﻤﺎﺭﻱ ﺳﻴﺴﺘﻢ ﭼﻴﭗ ﺳﺖ ‪Profusion‬‬ ‫‪ : ٢ . ٥‬ﻣﻌﻤﺎﺭﻱ ﺧﻮﺷﻪ ﺍﻱ ﻭ ﭼﻴﭗ ﺳﺖ ‪Profusion‬‬ ‫‪ : ٣ . ٠‬ﻣﻌﻤﺎﺭﻱ ﭼﻴﭗ ﺳﺖ ‪Profusion‬‬ ‫‪ : ٣ . ١‬ﻣﻌﻤﺎﺭﻱ ﺳﻴﺴﺘﻤﻬﺎﻱ ﺑﺎ ﭘﺎﻳﻪ ﭼﻴﭗ ﺳﺖ ‪Profusion‬‬ ‫‪ : ٣ . ٢‬ﭼﻴﭗ ﺳﺖ ‪Profusion‬‬ ‫‪ : ٣ . ٢ . ١‬ﻛﻨﺘﺮﻟﺮ ﺩﺳﺘﺮﺳﻲ ﺑﻪ ﺣﺎﻓﻈﻪ ) ‪( MAC‬‬ ‫‪ : ٣ . ٢ . ٢‬ﺭﺍﺑﻂ ﺑﺎﻓﺮ ﺩﺍﺩﻩ ﻫﺎ ) ‪( DIB‬‬ ‫‪ : ٣ . ٢ . ٣‬ﻓﻴﻠﺘﺮﻫﺎﻱ ﻭﺍﺳﻄﻪ ‪.‬‬ ‫‪ : ٣ . ٣‬ﺭﺍﺑﻂ ﺣﺎﻓﻈﻪ ﻫﺎﻱ ‪SDRAM‬‬ ‫‪I / 0 Bus : ٣ . ٤‬‬ ‫‪RASUM : ٤‬‬ ‫‪ : ٤ . ١‬ﻗﺎﺑﻠﻴﺖ ﺍﻋﺘﻤﺎﺩ‬ ‫‪ : ٤ . ٢‬ﻗﺎﺑﻠﻴﺖ ﺩﺳﺘﺮﺳﻲ ‪.‬‬ ‫‪ : ٤ . ٣‬ﻗﺎﺑﻠﻴﺖ ﺳﺮﻭﻳﺲ‬ ‫‪ : ٤ . ٤‬ﻗﺎﺑﻠﻴﺖ ﺍﺳﺘﻔﺎﺩﻩ‬ ‫‪ : ٤ . ٥‬ﻗﺎﺑﻠﻴﺖ ﻣﺪﻳﺮﻳﺖ‬ ‫‪1‬‬

‫ﻧﻮﻳﺴﻨﺪﻩ ﺑﺎﺑﻚ ﺳﺮﺧﭙﻮﺭ‬

‫‪[email protected]‬‬ ‫‪Http://PPTech.8m.com/cop/fbabakskr.htm‬‬

‫‪ : ٥ . ٠‬ﺧﻼﺻﻪ‬ ‫ﺷـﻜﻞ ﻫﺎ‬ ‫ﺷﻜﻞ ‪ : ١‬ﻣﻌﻤﺎﺭﻱ ﺧﻮﺷﻪ ﺍﻱ‬ ‫ﺷﻜﻞ ‪ : ٢‬ﻣﻌﻤﺎﺭﻱ ‪ NUMA‬ﻭﻳﮋﻩ ﺳﻴﺴﺘﻤﻬﺎﻱ ‪ UNIX‬ﺑﺴﻴﺎﺭ ﺑﺰﺭﮒ ‪.‬‬ ‫ﺷﻜﻞ ‪ : ٣‬ﻣﻌﻤﺎﺭﻱ ﺳﻠﺴﻠﻪ ﻣﺮﺗﺐ ﺑﺎﺳﻬﺎ‬ ‫ﺷﻜﻞ ‪ : ٤‬ﻣﻌﻤﺎﺭﻱ ﺣﺎﻓﻈﻪ ‪Duel - Ported‬‬ ‫ﺷﻜﻞ ‪ : ٥‬ﻣﻌﻤﺎﺭﻱ ‪( Switch - BASE ) SMP‬‬ ‫ﺷﻜﻞ ‪ : ٦‬ﻣﻌﻤﺎﺭﻱ ﭼﻴﭗ ﺳﺖ ‪ Profusion‬ﺟﻬﺖ ﺳﻴﺴﺘﻤﻬﺎﻱ ‪Multi - Ported‬‬ ‫ﺷﻜﻞ ‪ : ٧‬ﺧﻮﺷﻪ ﺑﻨﺪﻱ ﺗﻮﺳﻂ ‪Profusion‬‬ ‫ﺷﻜﻞ ‪ : ٨‬ﻣﻌﻤﺎﺭﻱ ﺳﻴﺴﺘﻤﻬﺎﻱ ‪Profusion Base chipset‬‬ ‫ﺷﻜﻞ ‪ : ٩‬ﺳﻮﺋﻴﭻ ‪ ٥‬ﭘﻮﺭﺕ ﮔﺬﺭﺍﻧﺪﻩ ﭼﻴﭗ ﺳﺖ ‪ Profusion‬ﺑﺪﻭﻥ ﻋﻤﻠﻴﺎﺕ ‪Blocking‬‬ ‫ﺷﻜﻞ ‪ : ١٠‬ﺍﺭﺗﺒﺎﻁ ﺩﺭﻭﻧﻲ ﭼﻴﭗ ﺳﺖ ‪Profusion‬‬ ‫ﺷﻜﻞ ‪ : ١١‬ﺳﻜﻮﻫﺎﻱ ﺑﺎ ﻗﺎﺑﻠﻴﺖ ﺩﺳﺘﺮﺳﻲ ﺑﺎ ﭼﻴﭗ ﺳﺘﻬﺎﻱ ﭘﺎﻳﻪ ‪Profusion‬‬

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‫ﻧﻮﻳﺴﻨﺪﻩ ﺑﺎﺑﻚ ﺳﺮﺧﭙﻮﺭ‬

‫‪[email protected]‬‬ ‫‪Http://PPTech.8m.com/cop/fbabakskr.htm‬‬

‫ﻣـﻘـﺪﻣﻪ‬ ‫ﺩﺭ ﺍﻳـﻦ ﻣﻘﺎﻟـﻪ ﻧﺴﺒﺖ ﺑﻪ ﺑﺮﺭﺳﻲ ﺟﺰﺋﻴﺎﺕ ﻣﻌﻤﺎﺭﻱ ‪ Profusion‬ﻛﻪ ﺑـــﺎﻻﺗﺮﻳﻦ ﺗﺠﻤﻊ ﺭﺍ ﺩﺭ ﻃـــﺮﺍﺣﻲ ﭼــﻴﭗ‬ ‫ﺳـﺘﻬﺎ ﻱ ﭼـــﻨﺪ ﭘـﺮﺩﺍﺯﻧــﺪﻩ ﻫـﺎﻱ ‪ ٨‬ﻣﺴـﻴﺮﻩ ) ‪ ( SMP‬ﺟﻬـــﺖ ﭘــــﺮﺩﺍﺯﻧﺪﻩ ﻫﺎﻱ ﭘﺮ ﻗـــﺪﺭﺕ ﺍﻳﻨـــﺘﻞ ﻣﺎﻧﻨﺪ‬ ‫ﺧﺎﻧﻮﺍﺩﻩ ﻫﺎﻱ ‪ PentiumIII xeon‬ﺩﺍﺭﺩ ﺍﻗﺪﺍﻡ ﻣﻲ ﻧﻤﺎﺋﻴﻢ ‪..‬‬ ‫ﺩﺭ ﺍﻳﻦ ﻣﻘﺎﻟﻪ ﺩﺭ ﺑﺎﺭﻩ ﻣﺒـــﺎﺣﺜﻲ ﻫﻤﭽﻮﻥ ‪ Non - Blocking Bus Switch‬ﻓـــﻴﻠﺘﺮﻫﺎﻱ ﺍﺭﺗــﺒﺎﻃــﻲ ﺣــﺎﻓﻈﻪ‬ ‫ﻧﻬﺎﻥ ﻣﺴﻴﺮ ﺍﺭﺗﺒﺎﻃﻲ ‪ I / 0‬ﻭ ﻣﺸﺨﺼﺎﺕ ‪ RASUM‬ﻭ ﻣﻌﻤﺎﺭﻱ ﺍﻧﺘﺸﺎﺭﻱ ﺑﺤﺚ ﻣﻲ ﮔﺮﺩﺩ ‪.‬‬ ‫ﮔﺴـﺘﺮﺵ ﻭ ﺍﻋـﺘﻤﺎﺩ ﺩﺳﺘﺮﺳـﻲ ﺑﻪ ﻣﻨﺎﺑﻊ ﻛﺎﻣﭙﻴﻮﺗﺮﻱ ﻳﻜﻲ ﺍﺯ ﻣﺒﺎﺣﺚ ﻏﻴﺮ ﻗﺎﺑﻞ ﺍﻧﻜﺎﺭ ﺩﺭ ﺗﺠﺎﺭﺕ ﻣﻲ ﺑﺎﺷﺪ ﻭﺗﺠﺎﺭ‬ ‫ﺑﺒﺴـﻴﺎﺭﻱ ﺩﺭ ﺍﺳـﺘﻔﺎﺩﻩ ﺍﺭ ﺍﻳﻨﺘﺮﻧﺖ ﺩﺭ ﺯﻧﺪﮔﻲ ﺧﻮﺩ ﻓﻌﺎﻝ ﺷﺪﻩ ﺍﻧﺪ ﻫﻤﭽﻨﻴﻦ ﻣﺒﺎﺩﺭﺕ ﺑﻪ ﺗﺠﺎﺭﺕ ﺟﺪﻳﺪ ﺍﻳﻨﺘﺮﻧﺘﻲ ﺩﺭ‬ ‫ﺣـﺎﻝ ﻓـﺮﻡ ﮔـﻴﺮﻱ ﻣـﻲ ﺑﺎﺷﺪ ﻭ ﺗﺠﺎﺭﺕ ﻗﺪﻳﻤﻲ ﺩﺭ ﺣﺎﻝ ﻫﻤﺎﻫﻨﮓ ﺳﺎﺯﻱ ﺧﻮﺩ ﺑﺎ ﺭﻭﺷﻬﺎﻱ ﺟﺪﻳﺪ ﺗﺠﺎﺭﺕ ﻫﻤﭽﻮﻥ ‪،‬‬ ‫ﺗﺠﺎﺭﺕ ﺍﻟﻜﺘﺮﻭﻧﻴﻚ ‪ ،‬ﺍﻧﺘﺸﺎﺭ ﺑﺮ ﺭﻭﻱ ‪ web‬ﻭ ﺳﺮﻭﻳﺲ ‪ Online‬ﻭ ‪ ...‬ﻣﻲ ﺑﺎﺷﺪ ‪..‬‬ ‫ﺻﻨﺎﻳﻊ ﻛﺎﻣﭙﻴﻮﺗﺮﻱ ﺩﺭ ﺣﺎﻝ ﮔﺴﺘﺮﺵ ﻭ ﺑﺰﺭﮒ ﺷﺪﻥ ﻭ ﺣﺮﻛﺖ ﺑﻪ ﺳﻮﻱ ﺍﻳﻨﺘﺮﻧﺖ ﺑﺎ ﺗﻮﺳﻌﻪ ﺑﻴﺸﺘﺮ ﻗﺪﺭﺕ ‪ ،‬ﻗﻴﻤﺖ‬ ‫ﭘﺎﻳﻴﻦ ﺗﺮ ﻣﻌﻤﺎﺭﻱ ﺑﺎﺯ ‪ ،‬ﺗﻨﻮﻉ ﻭ ﻗﺎﺑﻠﻴﺖ ﺍﻋﺘﻤﺎﺩ ﺑﻴﺸﺘﺮ ﻣﻲ ﺑﺎﺷﺪ ‪.‬‬ ‫ﺍﻳـﻦ ﺻـﻨﻌﺖ ﻫﻤﭽﻨﻴـﻦ ﻧﻴﺎﺯﻣـﻨﺪ ﺗﺮﻗـﻲ ﻣﻌﻤـﺎﺭﻱ ﺑﺎﺯ ﻭ ﺍﺳﺘﻔﺎﺩﻩ ﺍﺯ ﺳﻴﺴﺘﻢ ﻋﺎﻣﻠﻬﺎﻱ ﺗﺠﺎﺭﻱ ﻭ ﻧﺮﻡ ﺍﻓﺰﺍﺭ ﻫﺎﻱ‬ ‫ﻛﺎﺭﺑﺮﺩﻱ ﺩﺭ ﺩﺳﺘﺮﺱ ﻣﻲ ﺑﺎﺷﺪ ‪.‬‬ ‫ﺳﻴﺴـﺘﻢ ﭼﻴـﭗ ﺳـﺖ ﭘﺎﻳـﻪ ‪ Profusion‬ﺑـﺎ ﻣﻌﻤﺎﺭﻱ ‪ SMP‬ﻗﺎﺑﻠﻴﺖ ﺗﻮﻟﻴﺪ ﻭ ﭘﺎﺳﺨﮕﻮﺋﻲ ﺑﻪ ﺗﺠﺎﺭﺕ ﮔﺮﻭﻫﻲ ﻭ‬ ‫ﻛﺎﺭﺑـﺮﺩﻫﺎﻱ ﺑﺎ ﺍﺳﺘﻔﺎﺩﻩ ﺧﺎﺹ ﻛﻪ ﻧﻴﺎﺯ ﺑﻪ ﻣﺤﺎﺳﺒﺎﺕ ﺑﺴﻴﺎﺭ ﺳﻄﺢ ﺑﺎﻻ ﻭ ﭘﺮ ﻗﺪﺭﺕ ﺩﺍﺭﻧﺪ ﺭﺍ ﻓﺮﺍﻫﻢ ﻛﺮﺩﻩ ﺍﺳﺖ ﻛﻪ‬ ‫ﺑﻪ ﺳﻜﻮ ﻫﺎ ﺍﻣﻜﺎﻥ ﺍﺳﺘﻔﺎﺩﻩ ﺍﺯ ﻣﻴﻜﺮﻭﭘﺮﻭﺳﺴﻮﺭﻫﺎﻱ ‪ Pentium III Xeon‬ﺩﺭ ﺣﺠﻢ ﺑﺎﻻ ﺩﺭ ﻳﻚ ﺳﻜﻮ ﺭﺍ ﻓﺮﺍﻫﻢ‬ ‫ﻛﺮﺩﻩ ﺍﺳﺖ ‪.‬‬ ‫ﭼﻴـﭗ ﺳﺖ ‪ Profusion‬ﺑﺮ ﺭﻭﻱ ﻧﻴﺎﺯﻫﺎﻱ ﺍﺳﺎﺳﻲ ﻣﺤﺎﺳﺒﺎﺕ ﭘﻴﺸﺮﻓﺘﻪ ﺑﺎ ﺗﻤﺮﻛﺰ ﺑﺮ ﺭﻭﻱ ﻛﺎﺭﺍﺋﻲ ﻛﺎﺭ ﺑﺮ ﺭﻭﻱ ﺩﺍﺩﻩ‬ ‫ﻫـﺎﻱ ﺧـﺎﻡ ﻭ ﻫﻤﭽﻨﻴـﻦ ﺷﺎﻣﻞ ﻣﺸﺨﺼﺎﺗﻲ ﻫﻤﭽﻮﻥ ﻗﺎﺑﻠﻴﺖ ﺍﻃﻤﻴﻨﺎﻥ ‪ ،‬ﺩﺳﺘﺮﺳﻲ ‪ ،‬ﺳﺮﻭﻳﺲ ﺩﻫﻲ ‪ ،‬ﺍﺳﺘﻔﺎﺩﻩ ﻭ‬ ‫ﻣﺪﻳﺮﻳﺖ )‪ (RASUM‬ﺑﺎ ﻛﻤﺘﺮﻳﻦ ﻫﺰﻳﻨﻪ ﺑﺮﺍﻱ ﻣﺎﻟﻚ ﺁﻥ ﺩﺍﺭﺩ ‪.‬‬ ‫ﺳـﻜﻮﻫﺎﻱ ‪ SMP‬ﺳـﺮﻭﺭ ﺗﻮﺳﻂ ﭼﻴﭗ ﺳﺘﻬﺎﻱ ‪ Profusion‬ﺑﺴﻴﺎﺭ ﺗﺮﻗﻲ ﻳﺎﻓﺘﻪ ﺍﻧﺪ ﻭ ﺑﺎﻋﺚ ﻓﻌﺎﻝ ﺷﺪﻥ ﺻﻨﺎﻳﻊ ‪،‬‬ ‫ﺳﺮﻭﺭﻫﺎﻱ ﺑﺰﺭﮒ ﻭ ﺗﺮﻛﻴﺐ ﺁﻧﻬﺎ ﺑﺎ ﻣﻌﻤﺎﺭﻱ ﺑﺎﺯ ﺳﺨﺖ ﺍﻓﺰﺍﺭﻱ ﻭ ﻧﺮﻡ ﺍﻓﺰﺍﺭﻱ ﮔﺸﺘﻪ ﺍﻧﺪ ‪.‬‬ ‫ﺍﻳـﻦ ﭘﻴـــﺸـﺮﻓﺖ ﻧﻴﺎﺯﻣـــﻨﺪ ﻫﻤﻜـﺎﺭﻱ ﺑـــﻴﺸـﺘﺮ ﺟــــﻬـﺖ ﺭﺍﻩ ﺍﻧﺪﺍﺯﻱ ﻇﺮﻓﻴﺖ ﻫﺎﻱ ﻛﺎﺭﻱ ﻓﻘﻂ ﺑﺎ ﺍﺳﺘﻔﺎﺩﻩ ﺍﺯ‬ ‫ﺳﻴﺴﺘﻤﻬﺎﻱ ﺍﺧﺘﺼﺎﺻﻲ ‪ RISC UNIX‬ﻣﻘﺪﻭﺭ ﺍﺳﺖ ﻣﻲ ﺑﺎﺷﺪ ‪.‬‬

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‫ﻧﻮﻳﺴﻨﺪﻩ ﺑﺎﺑﻚ ﺳﺮﺧﭙﻮﺭ‬

‫‪[email protected]‬‬ ‫‪Http://PPTech.8m.com/cop/fbabakskr.htm‬‬

‫‪ : 1.0‬ﭼﻨﺪ ﭘﺮﺩﺍﺯﺵ ﺑﺎ ﺣﺎﻓﻈﻪ ﻫﺎﻱ ﺍﺷﺘﺮﺍﻛﻲ ‪:‬‬ ‫ﭼـﻨﺪ ﭘـﺮﺩﺍﺯﺵ )‪ (MD‬ﻣـﻲ ﺗﻮﺍﻧـﺪ ﺩﺭ ﻳـﻚ ﺳـﺮﻭﺭ ﺳـﻜﻮ ﻧﺼـﺐ ﺷـﻮﺩ ‪ ،‬ﻳﮓ ﮔﺮﻭﻩ ﻳﺎ ﺗﺮﻛﻴﺐ‬ ‫ﻣﺘﻘﺎﺭﻧـﻲ ﺍﺯ ﮔـﺮﻭﻩ ﻫـﺎﻱ ﻛـﺎﺭﻱ ﻳـﻚ ‪ SMP‬ﺳﺮﻭﺭ ﺍﺟﺎﺯﻩ ﻛﺎﺭ ﭼﻨﺪﻳﻦ ﭘﺮﺩﺍﺯﻧﺪﻩ ﺭﺍ ﺩﺭ ﻳﻚ ﺳﺮﻭﺭ ﺑﻄﻮﺭ ﻣﺘﻘﺎﺭﻥ ﺟﻬﺖ‬ ‫ﭼﻨﺪﻳﻦ ﻋﻤﻠﻴﺎﺕ ﺭﺍ ﻣﻲ ﺩﻫﺪ ‪.‬‬ ‫ﺩﺭ ﻣﻌﻤﺎﺭﻱ ﺧﻮﺷﻪ ﺍﻱ ‪ ،‬ﺳﻜﻮ ﻫﺎﻱ ‪ SMP‬ﺑﻪ ﻋﻨﻮﺍﻥ ﺑﻠﻮﻙ ﻫﺎﻱ ﺳﺎﺯﻧﺪﻩ ﻳﻚ ﺳﻴﺴﺘﻢ ﺑﻪ ﺣﺴﺎﺏ ﻣﻲ ﺁﻳﻨﺪ ‪.‬‬ ‫ﺩﺭ ﺍﻳـﻦ ﻣﻌﻤـﺎﺭﻱ ‪ ،‬ﻣﻌﻤـﻮﻻ "ﭼﻨﺪﻳـﻦ ﺳـﻜﻮﻱ ‪ SMP‬ﺑﻪ ﻳﻜﺪﻳﮕﺮ ﻣﺮﺗﺒﻂ ﺷﺪﻩ ﻭ ﻣﻌﻤﻮﻻ" ﻳﻚ ﮔﺮﻭﻩ ﺍﺧﺘﺼﺎﺻﻲ‬ ‫ﺍﻳﺠﺎﺩ ﻛﻨﻨﺪﻩ ﺳﻴﺴﺘﻤﻬﺎﻱ ﺑﺰﺭﮔﺘﺮ ﻣﻲ ﺑﺎﺷﻨﺪ ‪.‬‬ ‫ﺩﺭ ﺷﻜﻞ ‪ ١‬ﻳﻚ ﻧﻤﻮﻧﻪ ﻣﻌﻤﺎﺭﻱ ﭘﺎﻳﻪ ﺳﻴﺴﺘﻢ ‪ SMP‬ﻧﻤﺎﻳﺶ ﺩﺍﺩﻩ ﺷﺪﻩ ﺍﺳﺖ ‪.‬‬

‫ﺩﺭ ﺗﻌـﺎﺭﻳﻒ ﻛـﺘﺎﺑﻬﺎ ﻭ ﺳﻴﺴـﺘﻤﻬﺎﻱ ﺻﻨﻌﺘﻲ ﺳﺮﻭﺭﻫﺎﻱ ﭼﻨﺪ ﭘﺮﺩﺍﺯﺷﻲ ﺩﺍﺭﺍﻱ ﮔﺴﺘﺮﺩﻩ ﺯﻳﺎﺩﻱ ﺍﺯ ﻣﻌﻤﺎﺭﻱ ﻭ ﺍﻧﺪﺍﺯﻩ‬ ‫ﺳﻴﺴﺘﻤﻬﺎ ﺑﺮ ﺍﺳﺎﺱ ﻛﺎﺭﺑﺮﺩﻫﺎ ﺗﻌﺮﻳﻒ ﮔﺸﺘﻪ ﺍﺳﺖ ‪.‬‬ ‫ﻣﻌﻤﻮﻝ ﺗﺮﻳﻦ ﻣﻌﻤﺎﺭﻱ ‪ MP‬ﺷﺎﻣﻞ ﻣﻮﺍﺭﺩ ﺯﻳﺮ ﺍﺳﺖ ‪:‬‬ ‫ﻣﻌﻤﺎﺭﻱ ‪NUMA‬‬ ‫ﻣﻌﻤﺎﺭﻱ ‪Bus - based SMP‬‬ ‫‪Single - Bus SMP o‬‬ ‫‪Multi - bus SMP o‬‬ ‫ﻣﻌﻤﺎﺭﻱ ‪Switch - bused SMP‬‬ ‫‪4‬‬

‫ﻧﻮﻳﺴﻨﺪﻩ ﺑﺎﺑﻚ ﺳﺮﺧﭙﻮﺭ‬

‫‪[email protected]‬‬ ‫‪Http://PPTech.8m.com/cop/fbabakskr.htm‬‬

‫ﻣﻌﻤـﺎﺭﻱ ‪ Profusion‬ﺗﺮﻛﻴﺒـﻲ ﺍﺯ ﻣﻌﻤـﺎﺭﻱ ‪ Multi - bus‬ﻭ ﻣﻌﻤـﺎﺭﻱ ‪ Switch - bused SMP‬ﻣﻲ ﺑﺎﺷﺪ ﻛﻪ‬ ‫ﻫﻤﭽﻨﻴـﻦ ﺟﻬﺖ ﻛﺎﺭ ﺑﺎ ‪ ٨‬ﭘﺮﺩﺍﺯﻩ ﻃﺮﺍﺣﻲ ﮔﺸﺘﻪ ﻭ ﺷﺎﻣﻞ ﮔﺬﺭﮔﺎﻩ ﺟﺪﻳﺪﻱ ﺟﻬﺖ ﺍﺟﺮﺍ ﻭ ﻛﺎﺭﺍﺋﻲ ﺑﺎﻻﺗﺮ ‪ Cach‬ﻣﻲ ﺑﺎﺷﺪ‬ ‫‪.‬‬ ‫ﻣﻌﻤـﺎﺭﻱ ‪ Profusion‬ﺑـﻪ ﭘـﺮﺩﺍﺯﻧﺪﻩ ﺍﺟـﺎﺯﻩ ﺑﻜـﺎﺭ ﮔـﻴﺮﻱ ﻛـﺎﻣﻞ ﺳﺮﻋﺖ ‪ Bus‬ﻭ ﺍﺭﺗﺒﺎﻁ ﻣﻨﻄﻘﻲ ﺑﺎ ‪ Cach‬ﻭ ﻣﺴﻴﺮ‬ ‫ﺍﺧﺘﺼﺎﺻﻲ ﺩﺍﺩﻩ ‪ I / 0‬ﻣﻲ ﺩﻫﺪ ‪.‬‬ ‫ﺳﻴﺴﺘﻤﻬﺎﻱ ﭼﻨﺪ ﭘﺮﺩﺍﺯﺷﻲ ﺑﺮ ﺍﺳﺎﺱ ﭼﻴﭗ ﺳﺖ ‪ Profusion‬ﺩﺍﺭﺍﻱ ﻗﻴﻤﺘﻲ ﻣﻨﺎﺳﺐ ﻭ ﺑﺎ ﺍﺭﺍﺋﻪ ﺭﺍﻩ ﺣﻞ ﻫﺎﻱ ﺩﻗﻴﻖ ‪،‬‬ ‫ﺑﺎﻋﺚ ﺍﻳﺠﺎﺩ ﺭﻗﺎﺑﺖ ﺟﺪﻱ ﻭ ﺩﻗﻴﻖ ﺑﺮ ﺍﺳﺎﺱ ﺳﻴﺴﺘﻤﻬﺎﻱ ﭘﺎﻳﻪ ﺍﻱ ‪ RISC‬ﮔﺸﺘﻪ ﺍﺳﺖ ‪.‬‬ ‫‪ : 2.1‬ﻣﻌﻤﺎﺭﻱ ‪ NUMA‬ﺑﺮﺍﻱ ﺳﻴﺴﺘﻤﻬﺎﻱ ‪ Unix‬ﺑﺴﻴﺎﺭ ﺑﺰﺭﮒ ‪:‬‬ ‫ﻳﻜﻲ ﺍﺯ ﻣﻌﻤﺎﺭﻱ ﻫﺎﻱ ﺧﻮﺷﻪ ﺍﻱ ‪ ( Noh - Uninfrom Memory)NUMA‬ﻣﻲ ﺑﺎﺷﺪ ‪.‬‬ ‫ﻓﺎﻳﺪﻩ ﺍﺳﺘﻔﺎﺩﻩ ﺍﺯ ‪ NUMA‬ﻗﺎﺑﻠﻴﺖ ﺍﺳﻔﺎﺩﻩ ﺍﺯ ﺳﺮﻭﺭﻫﺎﻱ ﺍﺭﺯﺍﻥ ﺍﺳﺘﺎﻧﺪﺍﺭﺩ ‪ Access‬ﻭ ﺣﺠﻢ ﺑﺎﻻﻱ )‪ (SHV‬ﺳﺎﺯﻧﺪﻩ‬ ‫ﺑﻠﻮﻛﻬـﺎ ﺑـﺮﺍﻱ ﺳـﺎﺧﺘﻦ ﺳﻴﺴـﺘﻤﻬﺎﻱ ﺑﺰﺭﮒ ﻣﻲ ﺑﺎﺷﺪ ‪ .‬ﻣﻌﻤﺎﺭﻱ ﭘﻴﺸﻨﻬﺎﺩﻱ ﻣﻨﺎﺳﺐ ﺍﺟﺮﺍ ﺑﺮﺍﻱ ﺣﺎﻻﺕ ‪Fail - over‬‬ ‫ﻣﻲ ﺑﺎﺷﺪ ‪.‬‬ ‫ﺧـﻮﺍﻩ ﺑـﺪﻭﻥ ﻫﺠﻮﻡ ﺩﺭﺧﻮﺍﺳﺖ ﻫﺎ ‪ ،‬ﺗﺎﺧﻴﺮ ﭘﺎﻳﻴﻦ ‪ ،‬ﺍﺭﺗﺒﺎﻁ ﺩﺭﻭﻧﻲ ﺑﺎ ﺑﺎﻧﺪ ﻋﺮﻳﺾ ﻳﺎ ﻧﻬﺎﻧﮕﺎﻫﻬﺎ ﺟﻬﺖ ﮔﺮﻫﻬﺎ ﻣﻲ ﺑﺎﺷﺪ‬ ‫ﺩﺭ ﺍﻳـﻦ ﺳﻴﺴـﺘﻤﻬﺎ ﻣـﻲ ﺑﺎﻳﺴﺖ ﺳﻴﺴﺘﻢ ﻋﺎﻣﻞ ﻭ ﻧﺮﻡ ﺍﻓﺰﺍﺭﻫﺎﻱ ﻛﺎﺭﺑﺮﺩﻱ ﺟﻬﺖ ﺭﺳﻴﺪﻥ ﺑﻪ ﻛﺎﺭﺍﺋﻲ ﻣﻨﺎﺳﺐ ﺩﻭﺑﺎﺭﻩ‬ ‫ﺳﺎﺧﺘﺎﺭ ﺑﻨﺪﻱ ﺷﻮﻧﺪ ‪.‬‬ ‫ﺩﺭ ﻣﻘﺎﻳﺴـﻪ ﺳﻴﺴـﺘﻤﻬﺎﻱ ‪ NUMA - SMP‬ﺯﻣﺎﻧـﻲ ﻣﻘﺮﻭﻥ ﺑﻪ ﺻﺮﻓﻪ ﺍﺳﺖ ﻛﻪ ﺗﻌﺪﺍﺩ ﺯﻳﺎﺩﻱ ﭘﺮﺩﺍﺯﻧﺪﻩ ﺑﻪ ﻳﻜﺪﻳﮕﺮ‬ ‫ﻣﺘﺼﻞ ﮔﺮﺩﻧﺪ‪.‬‬ ‫ﺩﺭ ﺷﻜﻞ ﺯﻳﺮ ﻧﻤﺎﺋﻲ ﺍﺯ ﻣﻌﻤﺎﺭﻱ ‪ ،‬ﺣﺠﻢ ﻭ ﺭﺍﺑﻂ ﻫﺎﻱ ﺍﺧﺘﺼﺎﺻﻲ )‪ NUMA (SCI‬ﻧﻤﺎﻳﺶ ﺩﺍﺩﻩ ﺷﺪﻩ ﺍﺳﺖ ‪.‬‬

‫‪5‬‬

‫ﻧﻮﻳﺴﻨﺪﻩ ﺑﺎﺑﻚ ﺳﺮﺧﭙﻮﺭ‬

‫‪[email protected]‬‬ ‫‪Http://PPTech.8m.com/cop/fbabakskr.htm‬‬

‫‪ : 2.2‬ﻣﻌﻤﺎﺭﻱ ﭼﻨﺪ ﭘﺮﺩﺍﺯﺷﻲ ‪: based–BUS‬‬ ‫ﭼﻨﺪﻳﻦ ﺭﺍﻩ ﺣﻞ ﻣﺨﺘﻠﻒ ﺟﻬﺖ ﺳﻴﺴﺘﻤﻬﺎﻱ ‪ Bus - based SMP‬ﻭﺟﻮﺩ ﺩﺍﺭﺩ ‪.‬‬ ‫ﻣـــﻌﻤﻮﻟـﻲ ﺗﺮﻳﻦ ﻭ ﻣﻘﺮﻭﻥ ﺑﻪ ﺻﺮﻓــﻪ ﺗﺮﻳﻦ ﺭﺍﻩ ﺑﺮﺍﻱ ﺳﺎﺧﺘـــﻦ ﺳﻴﺴﺘﻤﻬﺎﻱ ﭼﻨﺪ ﭘﺮﺩﺍﺯﻧﺪﻩ ﺍﻱ ﺑﺎ ﺣﺎﻓﻈﻪ ﻣﺸﺘﺮﻙ‬ ‫ﺭﻭﺵ ‪ Signal - Bus‬ﻣﻲ ﺑﺎﺷﺪ ‪.‬‬ ‫ﺑﺮﺍﻱ ﻣﺪﺗﻬﺎﻱ ﺯﻳﺎﺩ ﭘﺮﺩﺍﺯﻧﺪﻩ ﻫﺎﻱ ﭘﻴﺸﺮﻓﺘﻪ ﺟﻬﺖ ﻓﻌﺎﻟﻴﺖ ‪ base - Bus SMP‬ﻫﺎ ﺑﺎ ﻣﻘﺎﻳﺲ ﻛﻮﭼﻚ )‪ ٤‬ﭘﺮﺩﺍﺯﻧﺪﻩ(‬ ‫ﻃﺮﺍﺣـﻲ ﻣﻲ ﺷﺪﻧﺪ ‪ .‬ﺑﺮﺍﻱ ﺗﻌﺪﺍﺩﻱ ﺍﺯ ﭘﺮﺩﺍﺯﻧﺪﻩ ﻫﺎ ﺳﻜﻮﻫﺎﻱ ‪ base - Bus SMP‬ﻣﻨﺎﺳﺐ ﺗﺮﻳﻦ ﭘﻴﺸﻨﻬﺎﺩ ﺑﺮﺍﻱ ﻋﺮﺽ‬ ‫ﺑﺎﻧﺪ ﻭ ﻛﺎﺭﺍﺋﻲ ﺑﻮﺩﻧﺪ ‪.‬‬ ‫ﺑﻪ ﻫﺮ ﺣﺎﻝ ﺑﺎ ﻇﻬﻮﺭ ﭘﺮﺩﺍﺯﻧﺪﻩ ﻫﺎﻱ ﭘﺮ ﺳﺮﻋﺖ ﻭ ﻗﺪﺭﺗﻤﻨﺪ ﺗﺮ ﭘﻬﻨﺎﻱ ﺑﺎﻧﺪ ﻭ ﺣﺠﻢ ﮔﺬﺭﮔﺎﻫﻬﺎ ﻛﻮﭼﻚ ﺗﺮ ﺷﺪﻧﺪ ‪.‬‬ ‫‪ Multi - bus SMP‬ﺳﻴﺴـﺘﻤﻬﺎ ﻳﻜـﻲ ﺍﺯ ﺭﺍﻩ ﺣﻠﻬـﺎ ﺑـﺮﺍﻱ ﻧﻈـﺎﺭﺕ ﺑﺮ ﻛﺎﺭﺍﺋﻲ ﻭ ﺗﻨﺎﺳﺐ ﺩﺭ ﺧﻮﺍﺳﺘﻬﺎﻱ ﺳﻜﻮﻫﺎﻱ ﭼﻨﺪ‬ ‫ﭘﺮﺩﺍﺯﺷـﻲ ﻣﻲ ﺑﺎﺷﺪ ‪ .‬ﺑﺎﺱ ﻫﺎﻱ ﺳﻠﺴﻪ ﻣﺮﺍﺗﺒﻲ ﻭ ﻣﻌﻤﺎﺭﻱ ﺩﺭﮔﺎﻫﻬﺎﻱ ﭼﻨﺪ ﮔﺎﻧﻪ ﺣﺎﻓﻈﻪ ﺑﻄﻮﺭ ﻣﻌﻤﻮﻝ ﺩﺭ ﻣﻌﻤﺎﺭﻱ‬ ‫‪ MP‬ﻣﻮﺭﺩ ﺍﺳﺘﻔﺎﺩﻩ ﻗﺮﺍﺭ ﻣﻲ ﮔﻴﺮﻧﺪ ‪.‬‬ ‫‪ : 2.2.1‬ﺳﻠﺴﻠﻪ ﻣﺮﺍﺗﺐ ﮔﺬﺭﮔﺎﻫﻬﺎ ‪:‬‬ ‫ﺍﺗﻔﺎﻗـﺎ" ﻳﻜـﻲ ﺍﺯ ﻣﺸـﻬﻮﺭ ﺗﺮﻳـﻦ ﻣﻌﻤﺎﺭﻱ ﻫﺎﻱ ﺑﺎﺱ ﻫﺎﻱ ﭼﻨﺪ ﮔﺎﻧﻪ ﺑﺎﺱ ﻫﺎﻱ ﺳﻠﺴﻠﻪ ﻣﺮﺍﺗﺒﻲ ﺍﺳﺖ ‪ .‬ﺩﺭ ﺍﻳﻦ ﻃﺮﺡ‬ ‫ﭘﺮﺩﺍﺯﻧﺪﻩ ﻣﺎﺩﺭ ﻳﻚ ﺑﺎﺱ ﮔﺮﻩ ﻛﻪ ﺑﻮﺍﺳﻄﻪ ﺳﻠﺴﻠﻪ ﻣﺮﺍﺗﺐ ﺑﺎﺱ ﻫﺎ ﺑﻪ ﺷﻜﻞ ﻳﻚ ﺳﻴﺴﺘﻢ ﺑﻪ ﻳﻜﺪﻳﮕﺮ ﻣﺘﺼﻞ ﮔﺮﺩﻳﺪﻩ‬ ‫ﺍﻧـﺪ ﺳـﺎﺯﻣﺎﻧﺪﻫﻲ ﺷـﺪﻩ ﺍﻧـﺪ ‪ .‬ﺩﺭ ﺍﻳﻦ ﺭﻭﺵ ﺍﺯ ﺑﺎﺱ ﺳﻴﺴﺘﻢ ﺑﻪ ﻋﻨﻮﺍﻥ ﻳﻚ ﺑﺎﺱ ﻣﻌﻤﻮﻟﻲ ﺍﺳﺘﻔﺎﺩﻩ ﺷﺪﻩ ﺍﺳﺖ ﻛﻪ‬ ‫ﺗﻮﺳـﻂ ﻳﻚ ﺍﺗﺼﺎﻝ ﭼﻬﺎﺭﮔﺎﻧﻪ ﺑﻪ ﺑﺎﺱ ﺑﺎ ﺣﺎﻓﻈﻪ ﻧﻬﺎﻥ ﺳﻄﺢ ‪ ٣‬ﺟﻬﺖ ﺟﺪﺍﺳﺎﺯﻱ ﺍﺭﺟﺎﻋﺎﺕ ﺣﺎﻓﻈﻪ ﻗﺒﻞ ﺍﺯ ﺭﺳﻴﺪﻥ ﺑﻪ‬ ‫ﮔﺬﺭﮔﺎﻩ ﻋﺎﺩﻱ ﻣﺘﺼﻞ ﻣﻲ ﮔﺮﺩﺩ ‪ ) .‬ﺷﻜﻞ ‪. ( ٣‬‬

‫ﺯﻣﺎﻧـﻲ ﻛـﻪ ﺍﻳـﻦ ﻣﻌﻤـﺎﺭﻱ ‪ ٨‬ﭘـﺮﺩﺍﺯﻧﺪﻩ ﺭﺍ ﭘﺸـﺘﻴﺒﺎﻧﻲ ﻣﻲ ﻧﻤﺎﻳﺪ ﺑﻪ ﺗﻌﺪﺍﺩ ﺑﻴﺸﺘﺮﻱ ﺣﺎﻓﻈﻪ ﻫﺎﻱ ﻧﻬﺎﻥ ﺑﺴﻴﺎﺭ ﮔﺮﺍﻥ‬ ‫ﻗﻴﻤﺖ ﻭ ﺣﺎﻓﻈﻪ ﻫﺎﻱ ﺑﺴﻴﺎﺭ ﺑﺰﺭﮒ ﺑﺮﺍﻱ ﻣﻌﻤﺎﺭﻱ ﻋﻤﻠﻴﺎﺕ ﭼﻨﺪ ﺳﻄﺤﻲ ﺧﻮﺩ ﻧﻴﺎﺯ ﺩﺍﺭﺩ ‪.‬‬ ‫‪6‬‬

‫ﻧﻮﻳﺴﻨﺪﻩ ﺑﺎﺑﻚ ﺳﺮﺧﭙﻮﺭ‬

‫‪[email protected]‬‬ ‫‪Http://PPTech.8m.com/cop/fbabakskr.htm‬‬

‫ﺩﺭ ﭘـﻴﻜﺮ ﺑـﻨﺪﻱ ﭼـﻨﺪ ﭘـﺮﺩﺍﺯﻧﺪﻩ ﺍﻱ ﻋﻠـﻴﺮﻏﻢ ﭘﺮﺩﺍﺧـﺖ ﻣـﺒﺎﻟﻎ ﻛـﻼﻥ ﻛﺎﺭﺍﺋـﻲ ﺑﺴـﻴﺎﺭ ﭘﺎﺋﻴﻦ ﺗﺮﻱ ﻧﺴﺒﺖ ﺑﻪ ﺳﻜﻮ ﻫﺎﻱ‬ ‫ﺍﺳﺘﺎﻧﺪﺍﺭﺩ ‪ ٤‬ﻣﺴﻴﺮﻩ ﻣﺸﺎﻫﺪﻩ ﻣﻲ ﺷﻮﺩ ‪.‬‬ ‫‪ : 2.2.2‬ﻣﻌﻤﺎﺭﻱ ﺣﺎﻓﻈﻪ ‪: Ported–Dual‬‬ ‫ﻣﻌﻤـﺎﺭﻱ ﺣﺎﻓﻈـﻪ ﺳﻴﺴﺘﻤﻬﺎﻱ ‪ Ported–Dual‬ﻛﺎﺭﺍﺋﻲ ﺑﺴﻴﺎﺭ ﻋﻤﺪﻩ ﺍﻱ ﺭﺍ ﻧﺴﺒﺖ ﺑﻪ ﻣﻌﻤﺎﺭﻱ‬ ‫ﺑﺎﺱ ﺳﻠﺴﻠﻪ ﻣﺮﺍﺗﺒﻲ ﻭ ﺑﺮ ﻃﺮﻑ ﻛﺮﺩﻥ ﻧﻴﺎﺯ ﺑﻪ ﺣﺎﻓﻈﻪ ﻧﻬﺎﻥ ﺳﻄﺢ ‪ ٣‬ﺩﺍﺭﺩ ‪.‬‬ ‫ﻛﺎﺭﺍﺋـﻲ ﺑـﺎ ﻗﻴﻤـﺖ ﭘﺎﺋﻴﻦ ﺗﺮ ﻭ ﻣﺰﺍﻳﺎﻱ ﻭ ﺑﻬﺒﻮﺩﻱ ﺑﻴﺸﺘﺮ ﻧﺴﺒﺖ ﺑﻪ ﺳﻴﺴﺘﻤﻬﺎﻱ ﺧﻮﺷﻪ ﺍﻱ ‪ ٤‬ﻣﺴﻴﺮﻩ ﻳﺎﻓﺘﻪ ﺍﺳﺖ ‪.‬‬ ‫ﻃﺮﺍﺣـﻲ ﺣﺎﻓﻈـﻪ ‪ ) Dual - Ported‬ﺷـﻜﻞ ‪ ( ٤‬ﺑـﻪ ﻣﺸـﻜﻼﺕ ﺍﺻـﻠﻲ ﺩﺭ ﻃﺮﺍﺣﻲ ﮔﺬﺭﮔﺎﻩ ﻫﺎﻱ ﺳﻠﺴﻠﻪ ﻣﺮﺍﺗﺐ ﭼﻴﺮﻩ‬ ‫ﮔﺸﺘﻪ ﺍﺳﺖ ‪.‬‬

‫ﻧﺘـﻴﺠﻪ ﺍﻳـﻦ ﻣﻌﻤـﺎﺭﻱ ﻣﻤﺎﻧﻌـﺖ ﺍﺯ ﺍﺳـﺘﻔﺎﺩﻩ ﺣﺎﻓﻈـﻪ ﻧﻬـﺎﻥ ﺳـﻄﺢ ‪ ٣‬ﺑـﺮﺍﻱ ﻛﺎﺭﺍﺋﻲ ﺑﻬﺘﺮ ﻣﻲ ﺑﺎﺷﺪ ‪ .‬ﺟﻬﺖ ﺍﺟﺮﺍﻱ‬ ‫ﺳﻴﺴـﺘﻢ ﺗـﻨﻬﺎ ﺩﻭ ﺑـﺎﺱ ﺳﻴﺴﺘﻢ ﭘﻴﺸﻨﻬﺎﺩ ﺷﺪﻩ ﺍﺳﺖ ﻛﻪ ﺑﻪ ﻣﻮﺭﺩ ﻧﺎ ﻣﻨﺎﺳﺐ ﺍﺭﺗﺒﺎﻁ ﺍﺯ ﻃﺮﻳﻖ ﺳﻪ ﮔﺬﺭﮔﺎﻩ ﺩﺭ ﺭﻭﺵ‬ ‫ﮔﺬﺭﮔﺎﻩ ﺳﻠﺴﻠﻪ ﻣﺮﺍﺗﺐ ﭼﻴﺮﻩ ﮔﺸﺘﻪ ﺍﺳﺖ ‪.‬‬ ‫ﺩﺭ ﻃﺮﺍﺣـﻲ ﺣﺎﻓﻈـﻪ ‪ CPU ، Duol - Ported‬ﻫـﺎ ﺑـﻪ ﻳﻚ ﺣﺎﻓﻈﻪ ﻋﻤﻮﻣﻲ ﻣﺘﺼﻞ ﻣﻲ ﺷﻮﻧﺪ ‪ .‬ﺍﻣﺎ ﻫﺮ ﺑﺨﺶ ﺑﺎﺱ‬ ‫ﺳﻴﺴﺘﻢ ﺑﻄﻮﺭ ﻣﺴﺘﻘﻞ ﺟﻬﺖ ﺣﺪﺍﻛﺜﺮ ﻛﺎﺭﺍﺋﻲ ﻋﻤﻞ ﻣﻲ ﻛﻨﺪ ‪.‬‬ ‫ﺳﺎﻳﺮ ﺍﺷﻜﺎﻻﺕ ﺑﻪ ﻭﺳﻴﻠﻪ ﻃﺮﺍﺣﻲ ﻫﺎﻱ ﺩﻳﮕﺮﻱ ﻣﺎﻧﻨﺪ ﻣﻮﺍﺭﺩ ﺯﻳﺮ ﺑﺮ ﻃﺮﻑ ﻣﻲ ﮔﺮﺩﻧﺪ ‪:‬‬ ‫• ﺁﺩﺭﺱ ﺩﻫﻲ ﻛﻞ ﻋﺮﺽ ﺣﺎﻓﻈﻪ ﺑﺎﻧﺪﻫﺎﻱ ﺳﻴﺴﺘﻢ ‪.‬‬ ‫• ﺗﻮﭘﻮﻟﮋﻱ ﻃﺮﺍﺣﻲ ﺍﺭﺗﺒﺎﻁ ‪ I/0‬ﺍﺯ ﻃﺮﻳﻖ ﭘﻞ ‪.‬‬ ‫• ﺗﻮﺳﻌﻪ ﺳﻠﺴﻠﻪ ﻣﺮﺍﺗﺐ ﺣﺎﻓﻈﻪ ﻧﻬﺎﻥ ‪.‬‬

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‫ﻧﻮﻳﺴﻨﺪﻩ ﺑﺎﺑﻚ ﺳﺮﺧﭙﻮﺭ‬

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‫‪ : 2.3‬ﻣﻌﻤﺎﺭﻱ ‪Switch - base SMP‬‬ ‫ﻣﻌﻤـﺎﺭﻱ ‪ Switch - base‬ﺣﺮﻛﺘـﻲ ﺍﺯ ﻣﻌـﺒﺮ ‪ bus - Base‬ﺗﻮﺳـﻂ ﻭﺳـﺎﺋﻞ ﺳـﻮﺋﻴﭻ ﻫﺎﻱ ﻣﺮﻛﺰﻱ ﻓﺸﺮﺩﻩ ﻛﻪ ﺭﺍﺑﻂ‬ ‫ﻣـﻴﺎﻥ ﭘـﺮﺩﺍﺯﻧﺪﻩ ﻫـﺎ ﻭ ﺣﺎﻓﻈـﻪ ﺍﺳﺖ ﻣﻲ ﺑﺎﺷﺪ ‪ .‬ﺯﻣﺎﻧﻲ ﻛﻪ ‪ Switch - base SMP‬ﺳﺎﺧﺘﻤﺎﻥ ﺣﺎﻓﻈﻪ ﺍﺷﺘﺮﺍﻛﻲ ﺭﺍ‬ ‫ﻓﻌﺎﻝ ﻣﻲ ﻧﻤﺎﻳﺪ ﻫﺰﻳﻨﻪ ﺍﻳﻦ ﺭﺍﻩ ﺣﻞ ﺑﺎ ﺗﻌﺪﺍﺩ ﭘﺮﺩﺍﺯﻧﺪﻩ ﻫﺎ ﺍﻓﺰﺍﻳﺶ ﻓﺮﺍﻭﺍﻧﻲ ﺧﻮﺍﻫﺪ ﻳﺎﻓﺖ ‪.‬‬ ‫ﺍﻣـﺮﻭﺯﻩ ‪ Switch - base SMP‬ﻫـﺎ ‪ ،‬ﺍﺭﺍﺋـﻪ ﻣﺠـﺪﺩ ﺭﺍﻩ ﺣﻞ ﻣﻨﺎﺳﺒﻲ ﺑﺮﺍﻱ ﺑﺨﺶ ﻛﺎﺭﺑﺮﺩﻫﺎ ﻭ ﻓﺮﻭﺵ ﻫﺎﻱ ﺧﺎﺹ ﻣﻲ‬ ‫ﺑﺎﺷﺪ ‪.‬‬ ‫ﻳـﻚ ﭼﻴـﭗ ﺳـﺖ ﺑﺮﺍﻱ ﭘﺮﺩﺍﺯﻧﺪﻩ ﻫﺎﻱ ﺧﺎﺹ ﻃﺮﺍﺣﻲ ﻣﻲ ﮔﺮﺩﺩ ﻛﻪ ﺟﻬﺖ ﺳﺎﻳﺮ ﻣﺪﻟﻬﺎﻱ ﭘﺮﺩﺍﺯﻧﺪﻩ ﻫﺎ ﻧﻴﺰ ﻣﻨﺎﺳﺐ ﻧﻤﻲ‬ ‫ﺑﺎﺷﺪ ‪ .‬ﺑﺮﺍﻱ ﺍﻓﺰﺍﻳﺶ ﺗﻌﺪﺍﺩ ﭘﺮﺩﺍﺯﻧﺪﻩ ﻫﺎ ﭘﻬﻨﺎﻱ ﺑﺎﻧﺪ ﺳﻮﺋﻴﭽﺮ ﻧﻴﺰ ﻣﻲ ﺑﺎﻳﺴﺖ ﺍﻓﺰﺍﻳﺶ ﻳﺎﺑﻨﺪ ‪.‬‬ ‫ﺭﻗﺎﺑـﺖ ﺩﺭ ﺭﺍﻩ ﺣﻠﻬـﺎﻱ ‪ Switch - base SMP‬ﺑﺎﻋـﺚ ﻣـﺘﻌﺎﺩﻝ ﻣﺎﻧﺪﻥ ﺳﻜﻮ ﻫﺎﺋﻲ ﺍﺳﺖ ﻛﻪ ﻧﻴﺎﺭ ﺑﻪ ﻃﺮﺍﺣﻲ ﻣﺠﺪﺩ‬ ‫ﻧﺪﺍﺭﻧﺪ ﻭ ﺑﺰﺭﮒ ﻧﺨﻮﺍﻫﻨﺪ ﺷﺪ ‪.‬‬ ‫ﺷﻜﻞ ‪ ٥‬ﺩﻳﺎﮔﺮﺍﻡ ‪ Switch - buse SMP‬ﺭﺍ ﺷﺮﺡ ﺩﺍﺩﻩ ﺍﺳﺖ ‪.‬‬

‫‪ : 2.4‬ﻣﻌﻤﺎﺭﻱ ﭼﻴﭗ ﺳﺖ ‪: Profusion‬‬ ‫ﻣﻌﻤﺎﺭﻱ ﭼﻴﭗ ﺳﺖ ‪ Profusion‬ﺍﺯ ﺗﻠﻔﻴﻘﻲ ﻣﻴﺎﻥ ﻧﮕﺎﺭﺵ ﭘﻴﺸﺮﻓﺘﻪ ﺣﺎﻓﻈﻪ ‪Dual - Proted‬‬ ‫ﻭ‪ Switch - base SMP‬ﻛـﻪ ﺑـﺮﺍﻱ ‪ ٨‬ﭘـﺮﺩﺍﺯﻧﺪﻩ ﺑﻬﻴـﻨﻪ ﺳـﺎﺯﻱ ﺷـﺪﻩ ﺍﺳـﺖ ‪ ،‬ﻣﻲ ﺑﺎﺷﺪ ﻛﻪ ﭘﻴﻮﻧﺪﻱ ﻣﻴﺎﻥ ﺑﺎﺱ ‪٢‬‬ ‫ﭘﺮﺩﺍﺯﻧﺪﻩ ‪ PentiumIII Xeon‬ﻭ ﺩﻭ ﺣﺎﻓﻈﻪ ﺍﺻﻠﻲ ﺳﻴﺴﺘﻢ ﺍﻳﺠﺎﺩ ﻣﻲ ﻛﻨﺪ ) ﺷﻜﻞ ‪( ٦‬‬ ‫ﺍﻳـﻦ ﻃﺮﺍﺣـﻲ ﺑـﻪ ‪ CPU‬ﻫـﺎ ﻭ ﭘﻠﻬـﺎﻱ ‪ I / 0‬ﺍﺟـﺎﺯﻩ ﺩﺳﺘﺮﺳـﻲ ﻫﻤﺎﻫﻨﮓ ‪ ،‬ﺍﺷﺘﺮﺍﻛﻲ ﻭ ﺣﺎﻓﻈﻪ ‪ SDRAM‬ﻣﻮﺟﻮﺩ ﺩﺭ‬ ‫ﺳﺮﺍﺳﺮ ﻳﻚ ﻛﺎﻧﺎﻝ ﭘﺮ ﺳﺮﻋﺖ ﺭﺍ ﻣﻲ ﺩﻫﺪ ‪.‬‬

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‫ﻧﻮﻳﺴﻨﺪﻩ ﺑﺎﺑﻚ ﺳﺮﺧﭙﻮﺭ‬

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‫ﺩﻭ ﺗـﺎ ﺑـﺎﺱ ﺳﻴﺴـﺘﻢ ﺑـﺮﺍﻱ ﺍﺗﺼـﺎﻝ ﺑﻪ ‪ CPU‬ﻫﺎ ﻣﺎﺩﺍﻣﻴﻜﻪ ﺑﺎﺱ ﺳﻮﻡ ﺍﻧﺤﺼﺎﺭﺍ" ﺩﺭ ﺍﺧﺘﻴﺎﺭ ﺗﺮﺍﻓﻴﻚ ‪ I / 0‬ﻗﺮﺍﺭ ﺩﺍﺭﺩ‬ ‫ﺍﺧﺘﺼﺎﺹ ﺩﺍﺩﻩ ﺷﺪﻩ ﺍﻧﺪ ‪.‬‬ ‫ﺍﺯ ﺩﻳﮕـﺮ ﭘﻴﺸـﺮﻓﺖ ﻫﺎﻱ ﻛﺎﺭﺍﺋﻲ ﺳﻴﺴﺘﻢ ‪ ،‬ﻣﻜﺎﻧﻴﺰﻡ ﺟﺪﻳﺪ ﻛﺎﻫﺶ ﺗﺪﺍﺧﻞ ﺣﺎﻓﻈﻪ ﺍﺯ ﺍﺭﺗﺒﺎﻁ ﺣﺎﻓﻈﻪ ﻧﻬﺎﻥ ﻭ ﺩﺳﺘﺮﺳﻲ‬ ‫ﺍﺯ ﻳـﻚ ﺑـﺎﺱ ﺳﻴﺴﺘﻢ ﺑﻪ ﺳﺎﻳﺮ ﮔﺬﺭﮔﺎﻫﻬﺎ ﺑﻮﺩﻩ ﺍﻟﺒﺘﻪ ﺩﺭ ﺁﻧﺠﺎ ﺳﻪ ﺑﺎﺱ ﺳﻴﺴﺘﻢ ﻭﺟﻮﺩ ﺩﺍﺭﺩ ‪ ،‬ﻫﻤﭽﻨﻴﻦ ﻫﻴﭻ ﻣﺒﺎﺩﻟﻪ‬ ‫ﺍﻱ ﺩﺭ ﺑﻴﺶ ﺍﺯ ‪ ٢‬ﮔﺬﺭﮔﺎﻩ ﺍﻧﺠﺎﻡ ﻧﻤﻲ ﺷﻮﺩ ‪ ،‬ﻛﻪ ﺑﺎﻋﺚ ﻓﺮﺍﻫﻢ ﺁﻭﺭﺩﻥ ﺣﺪﺍﻛﺜﺮ ﻛﺎﺭﺍﺋﻲ ﻭ ﺣﺪﺍﻗﻞ ﺗﺎﺧﻴﺮ ﻣﻲ ﺑﺎﺷﺪ ‪.‬‬ ‫ﻣﺸﺨﺼـﺎ" ﻣﻌﻤـﺎﺭﻱ ‪ Profusion‬ﺟﻬـﺖ ﻏﻠـﺒﻪ ﺑـﺮ ﺗﻨﮕـﻨﺎﻫﺎﻱ ﻣﻌﻤـﺎﺭﻱ ﺳﻴﺴﺘﻢ ﺣﺎﻓﻈﻪ ‪ Proted–Dual‬ﺗﻮﺳﻂ‬ ‫ﺗﻮﺳﻌﻪ ﺩﻭ ﻣﺴﻴﺮ ﺩﺍﺩﻩ ‪ ٦٤‬ﺑﻴﺘﻲ ﻭﺍﺳﻂ ﺑﻪ ﺣﺎﻓﻈﻪ ﺩﺭﻭﻧﻲ ﻃﺮﺍﺣﻲ ﮔﺸﺘﻪ ﺍﺳﺖ ‪.‬‬ ‫ﻫﻤﭽﻨﻴﻦ ﻳﻚ ﻛﺎﻧﺎﻝ ﺳﻄﺢ ﺑﺎﻻﻱ ﺳﺮﺍﺳﺮﻱ ﺍﺣﺘﺮﺍﺯ ﺍﺯ ﺗﻨﮕﻨﺎﻫﻬﺎﻱ ‪ I / 0‬ﻧﻴﺰ ﺩﺭ ﺁﻥ ﻓﺮﺍﻫﻢ ﮔﺸﺘﻪ ﺍﺳﺖ ‪.‬‬ ‫‪ : 2.5‬ﻣﻌﻤﺎﺭﻱ ﺧﻮﺷﻪ ﺍﻱ ﭼﻴﭗ ﺳﺖ ‪: Profusion‬‬ ‫‪ SMP‬ﻭ ﺭﻭﺵ ﺧﻮﺷـﻪ ﺍﻱ ﺩﺍﺭﺍﻱ ﺗﻮﺍﻧﺎﺋـﻲ ﻫﺎﻱ ﻣﺘﻔﺎﻭﺗﻲ ﺍﻧﺪ ﻭ ﻣﻲ ﺗﻮﺍﻧﻨﺪ ﺟﻬﺖ ﺭﺳﻴﺪﻥ ﺑﻪ ﻛﺎﺭﺍﺋﻲ ﻭ‬ ‫ﺩﺳﺘﺮﺳـﻲ ﺑـﺎ ﻳﻜﺪﻳﮕـﺮ ﺗﺮﻛﻴـﺐ ﮔﺮﺩﻧﺪ ‪ .‬ﺳﻜﻮﻫﺎ ﺑﺮ ﺍﺳﺎﺱ ﭼﻴﭗ ﺳﺖ ‪ Profusion‬ﻣﻲ ﺗﻮﺍﻧﻨﺪ ﺑﻪ ﻋﻨﻮﺍﻥ ﺑﻠﻮﻙ ﻫﺎﻱ‬ ‫ﺳﺎﺯﻧﺪﻩ ﻣﻌﻤﺎﺭﻱ ﺳﻴﺴﺘﻤﻬﺎﻱ ﺧﻮﺷﻪ ﺍﻱ ﺩﺭ ﺯﻣﺎﻥ ﻧﻴﺎﺯ ﺑﻪ ﻛﺎﺭﺑﺮﺩﻫﺎﻱ ﺑﻴﺶ ﺍﺯ ‪ ٨‬ﭘﺮﺩﺍﺯﻧﺪﻩ ﺑﻜﺎﺭ ﮔﺮﻓﺘﻪ ﺷﻮﻧﺪ ‪.‬‬ ‫ﻃﺮﺍﺣـﻲ ﺳـﻜﻮ ﻫـﺎﻱ ﺧﻮﺷـﻪ ﺍﻱ ﺑـﺮ ﺍﺳﺎﺱ ﭼﻴﭗ ﺳﺖ ‪ Profusion‬ﺍﻣـــﻜﺎﻥ ﭘــــﺬﻳﺮﺍﺳﺖ ﻭﻟـــﻲ ﺍﺯ ﻧﻈﺮ ﺷﺮﻛﺖ‬ ‫ﺍﻳﻨﺘﻞ ﻣﻌﺘﺒﺮ ﻧﻤﻲ ﺑﺎﺷﻨﺪ ‪.‬‬ ‫‪ : 3.0‬ﻣﻌﻤﺎﺭﻱ ﭼﻴﭗ ﺳﺖ ‪: Profusion‬‬ ‫ﭼﻴـﭗ ﺳـﺖ ‪ Profusion‬ﺳﻴﺴـﺘﻤﻲ ﺑـﺎ ﻛــــﺎﺭﺍﺋـﻲ ﺑـﺎﻻ ‪ ،‬ﺑﻬﻢ ﭘــــﻴﻮﺳﺘﻪ ﻭ ﺳﺨﺖ ﻛﺎﺭ ﻭ ﻳﻚ‬ ‫ﭼـــﻴـﭗ ﺳﺖ ﺑـــﺴﻴﺎﺭ ﻣـــﺠﺘﻤﻊ ‪ 8-way SMP‬ﻛﻪ ﭘﺮﺩﺍﺯﻧﺪﻩ ﻫﺎﻱ ‪ Intel PentiumIII Xeon‬ﺭﺍ ﭘﺸﺘﻴﺒﺎﻧﻲ ﻣﻲ‬ ‫ﻧﻤﺎﻳﺪ ﻣﻲ ﻳﺎﺷﺪ‪.‬‬ ‫‪9‬‬

‫ﻧﻮﻳﺴﻨﺪﻩ ﺑﺎﺑﻚ ﺳﺮﺧﭙﻮﺭ‬

‫‪[email protected]‬‬ ‫‪Http://PPTech.8m.com/cop/fbabakskr.htm‬‬

‫ﻣﺸﺨﺼﺎﺕ ﭼﻴﭗ ﺳﺖ ﺑﻪ ﺷﺮﺡ ﺫﻳﻞ ﺍﺳﺖ ‪:‬‬ ‫• ﺑﺎﺱ ﺩﻭﺗﺎﺋﻲ‪MHz ١٠٠‬‬ ‫• ﺑﺎﺱ ‪ I / 0‬ﺍﺧﺘﺼﺎﺻﻲ ‪100 MHz‬‬ ‫• ﺳﻮﺋﻴﭻ ﺑﺎﻓﺮ ‪ Multi Proted‬ﻭ ‪Non - Biocking‬‬ ‫• ﻛﻨﺘﺮﻟﺮ ﺩﻭﺗﺎﺋﻲ ﺩﺭﻭﻧﻲ ﺣﺎﻓﻈﻪ ‪SDRAM‬‬ ‫• ﺣﺪﺍﻛﺜـــﺮ ‪SDRAM 32 GB‬‬ ‫• ﻓﻴﻠﺘﺮ ﺩﻭ ﮔﺎﻧﻪ ﺍﺭﺗﺒﺎﻃﻲ ﺣﺎﻓﻈﻪ ﻧﻬﺎﻥ‬ ‫• ﻣﺎﺟﻮﻝ ﻧﺮﻡ ﺍﻓﺰﺍﺭﻱ ‪SMP‬‬ ‫ﻣﻌﻤـﺎﺭﻱ ﭼﻴﭗ ﺳﺖ ‪ Profusion‬ﺑﺮ ﺍﺳﺎﺱ ﺭﺍﻩ ﺣﻞ ﻫﺎﻱ ‪ bus - based‬ﻛﻪ ﺑﺎﻋﺚ ﻓﻌﺎﻟﻴﺖ ﺳﻜﻮﻱ ﺭﻭﺭﻫﺎ ﺑﺴﻴﺎﺭ ﭘﺮ‬ ‫ﻗﺪﺭﺕ ﻛﻪ ﺑﺮ ﺍﺳﺎﺱ ﭘﺮﺩﺍﺯﻧﺪﻩ ﻫﺎﻱ ﻓﻮﻕ ﺍﻟﻌﺎﺩﻩ ‪ PentiumIII xeon‬ﻣﻲ ﺑﺎﺷﻨﺪ ‪ ،‬ﺷﺪﻩ ﺍﺳﺖ ‪.‬‬ ‫ﺗﻜـﻨﻮﻟﻮﻱ ﻛـﺎﺭﻱ ﭼـﻨﺪ ﭘـﺮﺩﺍﺯﻧﺪﻩ ﺍﻱ ‪ Profusion‬ﺑـﺎ ﺑﻜﺎﺭ ﮔﺮﻓﺘﻦ ﺑﻬﺘﺮﻳﻦ ﻣﻌﻤﺎﺭﻱ ﺳﻴﺴﺘﻢ ‪ Multi - Ported‬ﻛﻪ‬ ‫ﻗﺎﺑﻠﻴﺖ ﺍﻓـــﺰﺍﻳﺶ ﻭ ﺗﻮﺳﻌﻪ ﺍﺯ ﻳﻚ ﺗﺎ ‪ CPU ٨‬ﺭﺍ ﺩﺍﺭﺩ ﺑﻬﻴﻨﻪ ﮔﺸﺘﻪ ﺍﺳﺖ‬ ‫ﻣﻌﻤــﺎﺭﻱ ﺳﻴﺴــﺘﻤﻬﺎﻱ ﺑــﺎ ﭼﻴــﭗ ﺳــﺖ ‪ Profusion‬ﺩﺍﺭﺍﻱ ﻣﺸﺨﺼــﺎﺕ ﻓﻨــﻲ ‪ Intel MPS1.4‬ﻣــﻲ ﺑﺎﺷــﺪ ﻛــﻪ‬ ‫ﻣﻨﺎﺳـــﺐ ﺑﺮﺍﻱ ﻋﻤــــﺪﻩ ﺳﻴﺴﺘﻤـــﻬﺎﻱ ﻋﺎﻣـــﻞ ﻣﺎﻧﻨﺪ ‪ Windows NT Server‬ﻭ‪ Sco Unixware‬ﺍﺳﺖ ‪.‬‬ ‫ﺳـﻜﻮﻫﺎﻱ ﺑـﺎ ﭼﻴﭗ ﺳﺖ ﻫﺎﻱ ‪ Profusion‬ﻳﻚ ﺗﺮﻛﻴﺐ ﺍﺯ ﺳﻪ ﺑﺎﺱ ﺳﻴﺴﺘﻢ ﻭ ‪ ٢‬ﺣﺎﻓﻈﻪ ﺍﺻﻠﻲ ﺳﻴﺴﺘﻢ ﻛﻪ ﺑﺎﻋﺚ‬ ‫ﻓـﺮﺍﻫﻢ ﺷـﺪﻥ ﭘﻠﻲ ﺑﻴﻦ ﭘﺮﺩﺍﺯﻧﺪﻩ ﻫﺎ ﻭ ‪ I/0‬ﺑﺎ ﺩﺳﺘﺮﺳﻲ ﺍﺷﺘﺮﺍﻛﻲ ﻭ ﻣﺴﺘﻘﻞ ﮔﺸﺘﻪ ﻭ ‪ ٢‬ﺑﺎﺱ ﺳﻴﺴﺘﻢ ﺟﻬﺖ ﺍﺭﺗﺒﺎﻁ‬ ‫ﭘﺮﺩﺍﺯﻧﺪﻩ ﻫﺎ ﻭ ﮔﺬﺭﮔﺎﻩ ﺳﻮﻡ ﺟﻬﺖ ﺗﺮﺍﻓﻴﻚ ‪ I/0‬ﺳﻴﺴﺘﻢ ﺍﺻﻠﻲ ﺍﺧﺘﺼﺎﺹ ﺩﺍﺩﻩ ﺷﺪﻩ ﺍﺳﺖ ‪.‬‬ ‫ﺑﻴﺸﺘﺮﻳﻦ ﺑﻬﺒﻮﺩﻱ ﺩﺭ ﻛﺎﺭﺍﺋﻲ ﺳﻴﺴﺘﻢ ﺗﻮﺳﻂ ﻣﺠﻬﺰ ﺷﺪﻥ ﻫﺮ ﺑﺎﺱ ﺣﺎﻓﻈﻪ ﻧﻬﺎﻥ ﻓﻴﻠﺘﺮ ﺷﺪﻩ ﮔﺸﺘﻪ ﻛﻪ ﺑﺎﻋﺚ ﻛﺎﻫﺶ‬ ‫ﺳﻴﻜﻞ ﺍﺭﺗﺒﺎﻃﻲ ﺑﻴﻦ ﺣﺎﻓﻈﻪ ﻧﻬﺎﻥ ﻭ ﺑﺎﺱ ﮔﺸﺘﻪ ﺍﺳﺖ ‪.‬‬ ‫‪ : 3.1‬ﻣﻌﻤﺎﺭﻱ ﺳﻴﺴﺘﻢ ﺑﺎ ﭼﻴﭗ ﺳﺖ ‪: Profusion‬‬ ‫ﺷﻜﻞ ‪ ٧‬ﻣﻌﻤﺎﺭﻱ ﻳﻚ ﺳﻴﺴﺘﻢ ﺑﺎ ﭼﻴﭗ ﺳﺖ ‪ Profusion‬ﺭﺍ ﻧﻤﺎﻳﺶ ﻣﻲ ﺩﻫﺪ ‪.‬‬

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‫ﻧﻮﻳﺴﻨﺪﻩ ﺑﺎﺑﻚ ﺳﺮﺧﭙﻮﺭ‬

‫‪[email protected]‬‬ ‫‪Http://PPTech.8m.com/cop/fbabakskr.htm‬‬

‫ﺗﻮﭘﻮﻟـﻮﮊﻱ ﻣﻌﻤـﺎﺭﻱ ﻣﻮﺍﺯﻧـﻪ ﺍﻱ ﺑﻪ ﻛﻠﻴﻪ ﻣﻨﺎﺑﻊ ﺍﺟﺎﺯﻩ ﺍﺳﺘﻔﺎﺩﻩ ﺍﺷﺘﺮﺍﻛﻲ ﻣﺘﺮﺍﻛﻢ ﺍﺯ ﭘﻬﻨﺎﻱ ﺑﺎﻧﺪ ﮔﺬﺭﮔﺎﻩ ﺳﻴﺴﺘﻢ ﺭﺍ‬ ‫ﻣﻲ ﺩﻫﺪ ‪ .‬ﺍﻳﻦ ﻣﻌﻤﺎﺭﻱ ﺑﺮﺍﻱ ﺗﻮﺳﻌﻪ ﭘﺬﻳﺮﻱ ﺑﺎ ﻗﺎﺑﻠﻴﺖ ﺍﻋﺘﻤﺎﺩ ﻭ ﻛﺎﺭﺍﺋﻲ ﺑﺎﻻ ﻣﻨﺎﺳﺐ ﻣﻲ ﺑﺎﺷﺪ ‪.‬‬ ‫ﺣﺪﻭﺩ ﺣﺪﺍﻛﺜﺮ ﻭ ﺗﺮﺍﻛﻢ ﭘﻬﻨﺎﻱ ﺑﺎﻧﺪ ﻣﻄﺎﺑﻖ ﺟﺪﻭﻝ ﺫﻳﺮ ﺍﺳﺖ ‪:‬‬

‫‪ : 3.2‬ﭼﻴﭗ ﺳﺖ ‪: Profusion‬‬ ‫ﺩﺭ ﻗﻠـﺐ ﭼﻴـﭗ ﺳـﺖ ‪ ٢ ، Profusion‬ﭼﻴﭗ ﻛﻨﺘﺮﻟﺮ ﺳﻴﺴﺘﻢ ‪ ASID‬ﻛﻪ ﺷﺎﻣﻞ ﻛﻨﺘﺮﻟﺮ ﺩﺳﺘﻴﺎﺑﻲ‬ ‫ﺑﻪ ﺣﺎﻓﻈﻪ )‪ (MAC‬ﻭ ﺭﺍﺑﻂ ﺑﺎﻓﺮ ﺩﺍﺩﻩ ‪ DIB‬ﻣﻲ ﺑﺎﺷﺪ ﻣﻨﺎﺑﻌﻲ ﻛﻪ ﮔﺬﺭﮔﺎﻩ ﻛﻨﺘﺮﻟﺮ ﺳﻴﺴﺘﻢ ﭼﻴﭗ ﺳﺖ ‪Profusion‬‬ ‫ﻳـﻚ ﻛﻨـﺘﺮﻝ ‪ Ported–Multi‬ﺍﻣﻜـﺎﻥ ﺍﺭﺗــــﺒﺎﻁ ﺩﺭﻭﻧــــﻲ ﻣــــﻴﺎﻥ ﺩﻭ ﭘﺮﺩﺍﺯﻧﺪﻩ ‪ ، Pentium III xeon‬ﻳﻚ ‪I/0‬‬ ‫ﺍﺧﺘﺼﺎﺻﻲ ﻭ ‪ ٢‬ﺳﻴﺴﺘﻢ ﺣﺎﻓﻈﻪ ﺍﺷﺘﺮﺍﻛﻲ ﻓﺮﺍﻫﻢ ﻣﻲ ﻛﻨﻨﺪ ‪.‬‬ ‫ﻛﺎﺭﻛﺮﺩﻫﺎﻱ ﺯﻳﺮ ﺩﺭ ﭼﻴﭗ ﺳﺘﻬﺎﻱ ‪ Profusion‬ﻣﻮﺟﻮﺩ ﻣﻲ ﺑﺎﺷﺪ ‪:‬‬ ‫• ‪ ٣‬ﺭﺍﺑﻂ ﺑﺎﺱ ﻣﺴﺘﻘﻞ ﺟﻬﺖ ﭘﺮﺩﺍﺯﻧﺪﻩ ﻫﺎﻱ ‪Intel PentiumIII xeon‬‬ ‫‪11‬‬

‫ﻧﻮﻳﺴﻨﺪﻩ ﺑﺎﺑﻚ ﺳﺮﺧﭙﻮﺭ‬

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‫• ‪ ٢‬ﻛﻨﺘﺮﻟﺮ ﺍﺧﺘﺼﺎﺻﻲ ﺣﺎﻓﻈﻪ ‪SDRAM‬‬ ‫• ﻣﺴﻴﺮ ﺩﺍﺩﻩ ‪ ٥‬ﭘﻮﺭﺕ ﻛﻪ ﺍﺭﺗﺒﺎﻁ ﭘﻮﺭﺗﻬﺎﻱ ﭘﺮﺩﺍﺯﻧﺪﻩ ﻭ ﺣﺎﻓﻆ ﺭﺍ ﺍﻳﺠﺎﺩ ﻣﻲ ﻛﻨﺪ ‪.‬‬ ‫• ﻓﻀﺎﻱ ﺧﻄﻮﻁ )‪ (٦٤‬ﺟﻬﺖ ﺧﻄﻮﻁ ﺑﺎﻓﺮ ﻧﻬﺎﻥ‬ ‫• ﺗﻘﺎﺭﻥ ﺍﺭﺳﺎﻝ ﺍﻃﻼﻋﺎﺕ ﺩﺭ ﻫﻤﻪ ﭘﻮﺭﺗﻬﺎ‬ ‫• ﺭﺍﺑﻂ ‪ ٢‬ﻓﻴﻠﺘﺮ ﺣﺎﻓﻈﻪ ﻧﻬﺎﻱ ﺑﻪ ﺣﺎﻓﻈﻪ ‪ SDRAM‬ﺧﺎﺭﺟﻲ ‪.‬‬ ‫• ﻳﻚ ﻓﻴﻠﺘﺮ ﮔﺬﺭﮔﺎﻩ ‪ I/0‬ﻣﺠﺘﻤﻊ‬ ‫ﺷﻜﻞ ‪ ٨‬ﺑﻠﻮﻙ ﺩﻳﺎﮔﺮﺍﻡ ﺳﻮﺋﻴﭻ ﻣﺘﻘﺎﻃﻊ ‪ ٥‬ﭘﻮﺭﺕ ‪ Nun - blocking‬ﺭﺍ ﻧﻤﺎﻳﺶ ﻣﻲ ﺩﻫﺪ‬

‫ﺍﻳﻦ ﻣﻌﻤﺎﺭﻱ ﺑﻪ ﻫـــﻤﻪ ﻣﺴﻴﺮﻫﺎ ﺍﺟﺎﺯﻩ ﺩﺳﺘﺮﺳﻲ ﺑﻪ ﻋﻤﻠﻴـــﺎﺕ ﺧﻮﺍﻧﺪﻥ ﻭ ﻧﻮﺷﺘﻦ ﺭﺍ ﻣﻲ ﺩﻫﺪ ‪.‬‬ ‫ﺍﺭﺗـــﺒﺎﻁ ﺩﺭﻭﻧـــﻲ ﻣﻴﺎﻥ ﭼﻴﭗ ﺳﺖ ﻫﺎ ﻱ ‪ MAC‬ﻭ ‪ DIB‬ﺩﺭ ﺷﻜﻞ ‪ ٩‬ﻧﻤﺎﻳﺶ ﺩﺍﺩﻩ ﺷﺪﻩ ﺍﺳﺖ ‪.‬‬

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‫ﻧﻮﻳﺴﻨﺪﻩ ﺑﺎﺑﻚ ﺳﺮﺧﭙﻮﺭ‬

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‫‪ : 3.2.1‬ﻛﻨﺘﺮﻟﺮ ﺩﺳﺘﺮﺳﻲ ﺑﻪ ﺣﺎﻓﻈﻪ )‪: (MAD‬‬ ‫‪ MAD‬ﺍﻣﻜـﺎﻥ ﻛﻨـﺘﺮﻝ ﻋﻤﻠـﻴﺎﺗﻬﺎ ﺑـﺮﺍﻱ ﻛﻨـﺘﺮﻟﺮ ﭼﻴـﭗ ﺳـﺖ ‪ Profusion‬ﻓﺮﺍﻫﻢ ﻣﻲ ﺁﻭﺭﺩ ﻛﻪ‬ ‫ﺷﺎﻣﻞ ﻣﺸﺨﺼﺎﺕ ﺯﻳﺮ ﺍﺳﺖ ‪:‬‬ ‫• ﻛﻨﺘﺮﻝ ﺣﺎﻓﻈﻪ ﻣﺎﻟﺘﻲ ﭘﻮﺭﺕ‬ ‫• ﭘﻞ ‪ ،‬ﮔﺬﺭﮔﺎﻩ ﺳﻪ ﻣﺴﻴﺮ ﭘﺮﺩﺍﺯﻧﺪﻩ ‪Pentium III xeon‬‬ ‫• ﭘﺸﺘﻴﺒﺎﻧﻲ ﺟﻬﺖ ﺍﻓﺰﺍﻳﺶ ﺣﺎﻓﻈﻪ ‪ SDRAM‬ﺑﻪ ‪32GB‬‬ ‫• ﻣﺪﻳﺮﻳﺖ ﺍﺭﺗﺒﺎﻁ ‪ SDRAM‬ﺧﺎﺭﺟﻲ ‪.‬‬ ‫•‬ ‫ﻟﻴﺴـﺖ ﺩﺭﺧﻮﺍﺳﺘﻬﺎﻱ ﻣﺮﻛﺰﻱ ﻋﻤﺪﻩ ﺳﺎﺧﺘﺎﺭ ‪ MAC‬ﻣﻲ ﺑﺎﺷﺪ ‪ .‬ﻣﺪﻳﺮﻳﺖ ﺑﺎﻓﺮ ﻭﺿﻌﻴﺖ ﻫﺮ ﻛﺪﺍﻡ ﺍﺯ ‪ ٦٤‬ﺧﻄﻮﻁ‬ ‫ﺑﺎﻓﺮ ﺣﺎﻓﻈﻪ ﻧﻬﺎﻥ ﻣﻮﺟﻮﺩ ﺩﺭ ﭼﻴﭗ ﺳﺖ ‪ DIB‬ﺭﺍ ﻧﻴﺰ ﺑﺮ ﻋﻬﺪﻩ ﺩﺍﺭﺩ ‪.‬‬ ‫ﻳـﻚ ﺁﺩﺭﺱ ﺑﺎ ﻫﺮ ﻛﺪﺍﻡ ﺍﺯ ﺑﺎﻓﺮﻫﺎﺋﻲ ﻛﻪ ﻣﻄﺎﺑﻖ ﻫﺮ ﻋﻤﻠﻴﺎﺕ ﺣﺎﻓﻈﻪ ﻣﻮﺭﺩ ﺟﺴﺘﺠﻮ ﻗﺮﺍﺭ ﮔﺮﻓﺘﻪ ﺍﻧﺪ ﺟﻬﺖ ﺻﺤﺖ‬ ‫ﺩﺍﺩﻩ ﻫﺎﻱ ﻣﺮﺑﻮﻁ ﮔﺸﺘﻪ ﺍﺳﺖ ‪.‬‬ ‫ﺑﻌﻼﻭﻩ ﻟﻴﺴﺖ ﺩﺭﺧﻮﺍﺳﺘﻬﺎﻱ ﻣﺮﻛﺰﻱ ﻋﻤﻠﻴﺎﺕ ﻛﻨﺘﺮﻝ ﺳﺎﺧﺘﺎﺭ ﺍﺭﺳﺎﻟﻲ ﻭ ﻧﮕﻬﺪﺍﺭﻱ ﺍﺭﺗﺒﺎﻁ ﺁﻧﻬﺎ ﺭﺍ ﺑﺮ ﻋﻬﺪﻩ ﺩﺍﺭﺩ ‪.‬‬ ‫ﺍﻳـﻦ ﺳﺎﺧﺘﺎﺭ ﺑﺎ ﻣﺎﺟﻮﻝ ﻛﻨﺘﺮﻝ ﺍﺭﺗﺒﺎﻃﺎﺕ ﺧﺎﺭﺟﻲ ﻛﺎﺭﻣﻲ ﻛﻨﺪ ﻭ ﺟﻠﻮﻱ ﺗﺮﺍﻓﻴﻚ ﺍﺭﺗﺒﺎﻃﻲ ﻏﻴﺮ ﻻﺯﻡ ﺩﺭ ﺯﻣﺎﻥ ﺍﻓﺰﺍﻳﺶ‬ ‫ﺗﺮﺍﻓﻴﻚ ﺩﺭ ﮔﺬﺭﮔﺎﻫﻬﺎﻱ ﭘﺮﺩﺍﺯﻧﺪﻩ ‪ Pentium III xeon‬ﺭﺍ ﻣﻲ ﮔﻴﺮﺩ ‪.‬‬ ‫‪ : 3.2.2‬ﺭﺍﺑﻂ ﺑﺎﻓﺮ ﺩﺍﺩﻩ ﻫﺎ ‪: DIB‬‬ ‫‪ DIB‬ﻣﺴـﻴﺮ ﺩﺍﺩﻩ ﻫـﺎ ﺭﺍ ﺑـﺮﺍﻱ ﻛﻨـﺘﺮﻟﺮ ﭼﻴـﭗ ﺳﺖ ‪ Profusion‬ﻓﺮﺍﻫﻢ ﻣﻲ ﻛﻨﺪ ﻛﻪ ﺗﻮﺳﻂ ‪MAC‬‬ ‫ﻛﻨـﺘﺮﻝ ﺷـﺪﻩ ﻭ ﺟﻬـﺖ ﺍﻧـﺘﻘﺎﻝ ﺩﺍﺩﻩ ﻫﺎ ﻣﻴﺎﻥ ﺣﺎﻓﻈﻪ ﺳﻴﺴﺘﻢ ﻭ ﮔﺬﺭﮔﺎﻫﻬﺎﻱ ﻫﺮ ﭘﺮﺩﺍﺯﻧﺪﻩ ‪PentiumIII xeon‬‬ ‫ﺍﺳﺘﻔﺎﺩﻩ ﻣﻲ ﺷﻮﺩ ‪.‬‬ ‫‪ DIB‬ﻛﻠﻴﻪ ﻋﻤﻠﻴﺎﺕ ﺑﺮﺭﺳﻲ ‪ ECC‬ﻭ ﺍﻳﺠﺎﺩ ﺩﺍﺩﻩ ﻫﺎ ﺭﺍ ﺍﻧﺠﺎﻡ ﻣﻲ ﺩﻫﺪ ‪.‬‬ ‫ﻣﺸﺨﺼﺎﺕ ‪ DIB‬ﺷﺎﻣﻞ ﻣﻮﺍﺭﺩ ﺯﻳﺮ ﺍﺳﺖ ‪:‬‬ ‫• ‪ ٣‬ﭘﻮﺭﺕ ﺑﺎﺱ ﺩﺍﺩﻩ ﻫﺎ ‪ ٧٢‬ﺑﻴﺘﻲ ﭘﺮﺩﺍﺯﻧﺪﻩ ‪(AGTLT) Pentium III xeon‬‬ ‫• ‪ ٢‬ﭘﻮﺭﺕ ﺩﺍﺩ ﻩ ﻫﺎﻱ ‪ ٧٢‬ﺑﻴﺘﻲ ﺣﺎﻓﻈﻪ ‪(LVTTL) SDRAM‬‬ ‫• ﺍﻧﺘﻘﺎﻝ ﻫﻤﺎﻫﻨﮓ ﺩﺍﺩﻩ ﻫﺎ ﺩﺭ ﻫﻤﻪ ﮔﺬﺭﮔﺎﻩ ﻫﺎ ‪.‬‬ ‫• ﺍﻳﺠﺎﺩ ‪ ECC‬ﻭ ﺗﺼﺤﻴﺢ ﺗﻚ ﺑﻴﺘﻲ‬ ‫• ‪ ٦٤‬ﺧﻂ ﺑﺎﻓﺮ ﺣﺎﻓﻈﻪ ﻧﻬﺎﻥ‬

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‫ﻧﻮﻳﺴﻨﺪﻩ ﺑﺎﺑﻚ ﺳﺮﺧﭙﻮﺭ‬

‫ﺳـﺎﺧﺘﺎﺭ ﺍﻭﻟـﻴﻪ ‪ DIB‬ﺑـﺮ ﺍﺳـﺎﺱ ‪ SDRAM‬ﻣﺎﻟﺘـﻲ ﭘﻮﺭﺕ ﻛﻪ ﺗﻮﺳﻂ ﺣﺎﻓﻈﻪ ﺑﺎﻓﺮ ﻣﻴﺎﻥ ﺑﺎﺱ ﺳﻴﺴﺘﻢ ﺳﻤﺖ‬ ‫ﭼـﭗ ﻭ ﺑـﺎﺱ ﺳﻴﺴـﺘﻢ ﺳـﻤﺖ ﺭﺍﺳﺖ ﮔﺬﺭﮔﺎﻩ ﺍﺧﺘﺼﺎﺻﻲ ‪ I/0‬ﻭ ‪ ٢‬ﮔﺬﺭﮔﺎﻩ ﺩﺍﺩﻩ ﻫﺎﻱ ‪ SDRAM‬ﻃﺮﺍﺣﻲ ﮔﺸﺘﻪ‬ ‫ﺍﺳﺖ ‪ ،‬ﺩﺍﺩﻩ ﻫﺎ ﺩﺭ ﻫﺮ ﺑﺎﺱ ﺑﻄﻮﺭ ﻣﺴﺘﻘﻞ ﻭ ﻫﻤﺰﻣﺎﻥ ﺑﺎ ‪ ٤‬ﮔﺬﺭﮔﺎﻩ ﺩﻳﮕﺮ ﻗﺎﺑﻞ ﺩﺳﺘﺮﺳﻲ ﺍﺳﺖ ‪.‬‬ ‫ﺑﻌـﻼﻭﻩ ﺩﺭ ﺳﺮﺍﺳﺮ ﻣﺴﻴﺮ ﺩﺍﺩﻩ ﻫﺎ ‪ SDRAM‬ﻳﻚ ﻣﺴﻴﺮ ﺩﺍﺩﻩ ﺍﺧﺘﺼﺎﺻﻲ ﺳﺮﻳﻊ ﺑﺎ ﺗﺎﺧﻴﺮ ﻛﻢ ﻛﻪ ﺑﺎﻋﺚ ﺩﺳﺘﺮﺳﻲ‬ ‫ﻣﺴﺘﻘﻴﻢ ﭘﻮﺭﺗﻬﺎﻱ ﺣﺎﻓﻈﻪ ﺑﻪ ﭘﺮﺩﺍﺯﻧﺪﻩ ﻭ ‪ I/0‬ﻫﺎ ﻣﻲ ﮔﺮﺩﺩ ‪ ،‬ﻓﺮﺍﻫﻢ ﮔﺸﺘﻪ ﺍﺳﺖ ‪ .‬ﺑﺮﺍﻱ ‪SDRAM‬ﻫﺎ ‪ ٥ ،‬ﭘﻮﺭﺕ‬ ‫ﺟﻬﺖ ﻧﻮﺷﺘﻦ ﻭ ‪ ٥‬ﭘﻮﺭﺕ ﺟﻬﺖ ﺧﻮﺍﻧﺪﻥ ﻭﺟﻮﺩ ﺩﺍﺭﺩ ‪.‬‬ ‫ﻳـﻚ ﺯﻭﺝ ﺭﺟﻴﺴـﺘﺮ ﻭﺿـﻌﻴﺖ ﻭ ﭘـﻴﻜﺮ ﺑﻨﺪﻱ ﺩﺍﺩﻩ ﻫﺎ ﺩﺭ ‪ DIB‬ﺩﺳﺘﺮﺳﻲ ﺑﻪ ﺭﺟﻴﺴﺘﺮﻫﺎﻱ ﭘﻴﻜﺮ ﺑﻨﺪﻱ ﻭ ﻭﺿﻌﻴﺖ ﺩﺭ‬ ‫‪ MAC‬ﺭﺍ ﺁﺳﺎﻥ ﻣﻲ ﻧﻤﺎﻳﺪ ‪.‬‬ ‫ﺭﺟﻴﺴـﺘﺮﻫﺎﻱ ﺍﺿـﺎﻓﻲ ﻭﺿـﻌﻴﺖ ﻭ ﭘﻴﻜﺮ ﺑﻨﺪﻱ ‪ DIB‬ﻭ ﺍﻋﻼﻡ ﺍﻭﻟﻴﻦ ﺗﺼﺤﻴﺢ ﺧﻄﺎﻱ ﺍﻧﺠﺎﻡ ﺷﺪﻩ ‪ ECC‬ﺭﺍ ﺑﺮﺍﻱ ﻫﺮ‬ ‫ﻛﺪﺍﻡ ﺍﺯ ‪ ٥‬ﭘﻮﺭﺕ ﻧﮕﻬﺪﺍﺭﻱ ﻣﻲ ﻧﻤﺎﻳﺪ ‪.‬‬ ‫‪ : 3.2.3‬ﻓﻴﻠﺘﺮﻫﺎﻱ ﺍﺭﺗﺒﺎﻃﻲ ‪:‬‬ ‫ﺑـﺮﺍﻱ ﻧﮕﻬـﺪﺍﺭﻱ ﺍﺭﺗـﺒﺎﻁ ﺩﺍﺩﻩ ﻫـﺎ ﺩﺭ ﻫﻤـﻪ ‪ ٣‬ﺑـﺎﺱ ‪ ،‬ﻋﻤﻠﻴﺎﺕ ﻣﺒﺎﺩﻟﻪ ﺣﺎﻓﻈﻪ ﺩﺭ ﮔﺬﺭﮔﺎﻩ‬ ‫ﻣﺤﻠـﻲ ﺑـﺎﻳﺪ ﻗـﺎﺑﻞ ﺟﺴـﺘﺠﻮ ﺩﺭ ﻫﻤﻪ ﮔﺬﺭﮔﺎﻫﻬﺎﺋﻲ ﻛﻪ ﻧﻴﺎﺯﻣﻨﺪ ﺗﺮﺍﻓﻴﻚ ﮔﺬﺭﮔﺎﻩ ﻧﻴﺴﺘﻨﺪ ‪ ،‬ﺑﺎﺷﺪ ﻛﻪ ﺑﺎﻋﺚ ﺍﻳﺠﺎﺩ‬ ‫ﻓﺸﺎﺭ ﻭ ﺗﺎﺛﻴﺮ ﻣﻨﻔﻲ ﺑﺮ ﺭﻭﻱ ﺳﻴﺴﺘﻢ ﻧﮕﺮﺩﺩ ‪.‬‬ ‫ﻳـﻚ ﻓﻴﻠـﺘﺮ ﺍﺭﺗﺒﺎﻁ ﺑﺎ ﻫﺮ ﺑﺎﺱ ﺭﺍ ﻧﮕﻬﺪﺍﺭﻱ ﻣﻲ ﻛﻨﺪ ﻭ ﺑﺎ ﺍﺳﺘﻔﺎﺩﻩ ﺑﻬﺘﺮ ﺍﺯ ﺣﺎﻓﻈﻪ ﻧﻬﺎﻥ ﺑﺎﻋﺚ ﺣﺬﻑ ﻓﺮﻛﺎﻧﺴﻬﺎﻱ‬ ‫ﻏﻴﺮ ﺿﺮﻭﺭﻱ ﻋﻤﻠﻴﺎﺕ ﺟﺴﺘﻮ ﺍﺯ ﻃﺮﻳﻖ ﺍﺯ ﻃﺮﻳﻖ ﮔﺬﺭﮔﺎﻩ ﺧﺎﺭﺟﻲ ﻣﻲ ﮔﺮﺩﺩ ‪.‬‬ ‫ﻓﻴﻠـﺘﺮﻫﺎﻱ ﻓﻌﺎﻝ ﻣﺮﺗﺒﻂ ﻗﻮﺍﻋﺪﻱ ﺭﺍ ﺩﺭ ﺑﺮ ﻣﻲ ﮔﻴﺮﺩ ﻛﻪ ﺷﺎﻣﻞ ﺍﻧﺪﺍﺯﻩ ﻛﻠﻴﻪ ﺧﻄﻮﻁ ﺣﺎﻓﻈﻪ ﻧﻬﺎﻥ ﭘﺮﺩﺍﺯﻧﺪﻩ ﻫﺎ ﻣﻲ‬ ‫ﺑﺎﺷﺪ ‪.‬‬ ‫ﺑﺮﺁﻭﺭﺩﻫﺎﻱ ﻛﺎﺭﺍﺋﻲ ﺍﺳﺘﻔﺎﺩﻩ ﺑﻴﺶ ﺍﺯ ‪ %٢٠‬ﻣﻲ ﺑﺎﺷﺪ ﻛﻪ ﻭﺍﺑﺴﺘﻪ ﺑﻪ ﻧﻮﻉ ﻛﺎﺭﺑﺮﺩ ﺁﻥ ﻧﻴﺰ ﻣﻲ ﺑﺎﺷﺪ ‪.‬‬ ‫‪ : 3.3‬ﺭﺍﺑﻂ ﺣﺎﻓﻈﻪ ‪: SDRAM‬‬ ‫ﺭﺍﺑـﻂ ﺣﺎﻓﻈﻪ ﭼﻴﭗ ﺳﺖ ‪ Profusion‬ﺑﺼﻮﺭﺕ ﻳﻚ ﺳﻴﺴﺘﻢ ‪ Dual - Ported‬ﻃﺮﺍﺣﻲ ﮔﺸﺘﻪ ﻛﻪ‬ ‫ﺍﺯ ﺍﻧـﻮﺍﻉ ﺗﺠﺎﺭﻱ ﺣﺎﻓﻈﻪ ﻫﺎﻱ ‪ PC 1oo SDRAM‬ﻛﻪ ﺑﺼﻮﺭﺕ ﻣﺎﺟﻮﻝ ﻫﺎﻱ ‪ DIMM‬ﺛﺒﺖ ﮔﺸﺘﻪ ﺍﻧﺪ ﺭﺍ ﻣﻮﺭﺩ‬ ‫ﺍﺳﺘﻔﺎﺩﻩ ﻗﺮﺍﺭ ﻣﻲ ﺩﻫﺪ ‪.‬‬ ‫ﺭﺍﺑﻂ ﺣﺎﻓﻈﻪ ﺍﺟﺎﺯﻩ ﺍﺳﺘﻔﺎﺩﻩ ﺣﺪﺍﻛﺜﺮ ‪ 32 GB‬ﺣﺎﻓﻈﻪ ﺭﺍ ﺑﺮﺍﻱ ﻫﺮ ﺳﻜﻮ ﻣﻲ ﺩﻫﺪ ‪.‬‬ ‫ﭘﻬﻨﺎﻱ ﺑﺎﻧﺪ ﺣﺎﻓﻈﻪ ‪ MB/sec ٨٠٠‬ﺑﺮﺍﻱ ﻫﺮ ﭘﻮﺭﺕ ﻭ ‪ 1.6 GB/sec‬ﺑﺮﺍﺑﺮﻛﻞ ﭘﻬﻨﺎﻱ ﺑﺎﻧﺪ ﺁﻥ ﺩﺭ ﺣﺎﻟﺖ ﺩﺳﺘﺮﺳﻲ‬ ‫ﺍﻳﺪﻩ ﺁﻝ ﺯﻣﺎﻧﻲ ﺩﺭ ﺣﺪﻭﺩ ‪ 140 nsec‬ﻣﻲ ﺑﺎﺷﺪ ‪.‬‬ ‫‪14‬‬

‫ﻧﻮﻳﺴﻨﺪﻩ ﺑﺎﺑﻚ ﺳﺮﺧﭙﻮﺭ‬

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‫‪ : 3.4‬ﺑﺎﺱ ‪I/0‬‬ ‫ﻣﻌﻤـﺎﺭﻱ ‪ Profusion‬ﺑـﻪ ﺁﺩﺭﺳﻬﺎﻱ ﻣﻮﺛﺮ ﺳﻜﻮﻫﺎﻱ ﺳﺮﻭﺭﻫﺎ ﺑﺮﺍﻱ ﻛﺎﺭﺍﺋﻲ ﺑﺎﻻﺗﺮ ﺩﺭ ﺳﺮﺍﺳﺮ ‪ I / 0‬ﻭ‬ ‫ﻧﻴﺎﺯﻫﺎﻱ ﻣﻨﺎﺳﺐ ﺟﻬﺖ ﭘﺸﺘﻴﺒﺎﻧﻲ ﺗﻌﺪﺍﺩ ﺯﻳﺎﺩﻱ ﺍﺯ ﺍﺑﺰﺍﺭ ‪ I/0‬ﺟﺎﻧﺒﻲ ﻧﻴﺎﺯ ﺩﺍﺭﺩ ‪.‬‬ ‫ﺩﺭ ﺣﺎﻟﺖ ‪ 100MHz‬ﻭ ‪ ٦٤‬ﺑﻴﺘﻲ ﺑﺎﺱ ‪ I / 0‬ﻗﺎﺩﺭ ﺑﻪ ﺑﻜﺎﺭ ﮔﺮﻓﺘﻦ ﭘﻬﻨﺎﻱ ﺑﺎﻧﺪ ﻋﻈﻴﻢ ‪ 800 MB/sec‬ﻣﻲ ﺑﺎﺷﺪ ‪.‬‬ ‫ﭼﻴـﭗ ﺳـﺖ ‪ Profusion‬ﻛﺎﺭﺍﺋـﻲ ﺑـﺎﺱ ﺳﻴﺴـﺘﻢ ﺍﺻﻠﻲ ﺭﺍ ﺑﺎ ﺍﺳﺘﻔﺎﺩﻩ ﺍﺯ ﺗﻨﻬﺎ ﻳﻚ ﭼﻴﭗ ﺳﺖ ‪Pci – 64 Bit‬‬ ‫‪ bridge‬ﺑﻨﺎﻡ ‪ PB64‬ﺑﺎﻻ ﺑﺮﺩﻩ ﺍﺳﺖ ‪.‬‬ ‫‪ PB64 I/O BRIDGE‬ﺗﻮﺳـﻂ ﺷﺮﻛﺖ ‪ COMPAQ‬ﺟﻬﺖ ﻓﺮﺍﻫﻢ ﻛﺮﺩﻥ ﻛﺎﺭﺍﻳﻲ ﺑﺎﻻ ﻭ ﻣﻴﺰﺍﻥ ﻛﺮﺩﻥ ﻭ ﻗﺪﺭﺕ‬ ‫ﻣﻨﺪﻛﺮﺩﻥ ﺳﺮﺍﺳﺮ ‪ I/O‬ﺑﺮﺍﻱ ﻛﺎﺭﺑﺮﺩﻫﺎﻱ ﺑﺎ ﻛﻼﺱ ﺧﺎﺹ ﻭ ﺑﺎﻻ ﺗﻬﻴﻪ ﮔﺸﺘﻪ ﺍﺳﺖ ‪.‬‬ ‫‪ PB64 I/O BRIDGE‬ﺍﺯ ﻣﻮﺍﺭﺩ ﺯﺑﺮ ﭘﺸﺘﻴﺒﺎﻧﻲ ﻣﻴﻜﻨﺪ ‪:‬‬ ‫• ﺳﺎﺯﮔﺎﺯ ﺑﺎ ‪PCI 2.1‬‬ ‫• ‪64 BIT PCI 66.6 /33.3 MHZ‬‬ ‫• ﺍﻧﺘﻘﺎﻝ ﺯﻳﺎﺩ ﺩﺍﺩﻩ ﻫﺎ ﺑﺎ ﺳﺮﻋﺖ ‪ 533 mb/sec‬ﺩﺭ ‪PCI‬‬ ‫• ‪PCI-HOT PLUG‬‬ ‫• ﭘﺸﺘﺴﺒﺎﻧﻲ ﺍﺯ ﺑﻴﺶ ﺍﺯ ‪ ٨‬ﮔﺬﺭﮔﺎﻩ ‪ I/O PCI‬ﺑﺼﻮﺭﺕ ‪66.6 MHZ 64 BIT‬‬ ‫•‬

‫ﭘﺸﺘﺴﺒﺎﻧﻲ ﺍﺯ ﺑﻴﺶ ﺍﺯ ‪ ١٦‬ﮔﺬﺭﮔﺎﻩ ‪ I/O PCI‬ﺑﺼﻮﺭﺕ ‪33.3 MHZ 64 BIT‬‬

‫ﺳﻴﺴـﺘﻢ ‪ PB64‬ﺑﺎﻋـﺚ ﺍﻓـﺰﺍﻳﺶ ﻛﺎﺭﺍﻳﻲ ﺳﻴﺴﺘﻢ ﺑﺎ ﺍﺳﺘﻔﺎﺩﻩ ﻫﺮ ﺍﻧﺠﺎﻡ ﺍﺭﺗﺒﺎﻁ ﻣﻴﺎﻥ ﺑﺎﻓﺮ ﺣﺎﻓﻈﻪ ﻧﻬﺎﻥ ﻛﻪ ﻛﻤﻚ‬ ‫ﻣـﻲ ﻛﻨﺪ ﺑﻪ ﺣﺬﻑ ﺩﺳﺘﺮﺳﻲ ﺍﺿﺎﻓﻪ ﺍﻩ ﺣﺎﻓﻈﻪ ﺟﻬﺖ ﺧﻮﺍﻧﺪﻥ ﺩﺍﺩﻫﺎﻱ ﻗﺪﻳﻤﻲ ﺍﺟﺎﺯﻩ ﺍﻧﺘﻘﺎﻝ ﻫﻤﺰﻣﺎﻥ ﻭ ﻫﻤﺎﻫﻨﮓ ﺩﺭ‬ ‫ﺳﺮﺍﺳﺮ ﺑﺨﺸﻬﺎﻱ ﺑﺎﺱ ﺳﻴﺴﺘﻢ ﺭﺍ ﻣﻲ ﺩﻫﺪ ‪.‬‬ ‫‪ PB64‬ﻗﺎﺑﻠﻴـﺖ ﭘﺸـﺘﻴﺒﺎﻧﻲ ﺍﺯ ﻫـﺮ ﺩﻭ ﺍﺳﺘﺎﻧﺪﺍﺭﺩ ﺍﻧﺘﻘﺎﻝ ‪ Peer-To-Peer‬ﺯﻣﺎﻧﻴﻜﻪ ﻫﺮﺩﻭ ﺑﺎﺱ ‪ PCI‬ﻣﺒﺪﺍ ﻭ ﻣﻘﺼﺪ‬ ‫ﺑﺮﻭﻱ ﻳﻚ ﺑﺨﺶ ﺑﺮﺑﺮ ‪ PCI‬ﻗﺮﺩﺍﺷﺘﻪ ﺑﺎﺷﻨﺪ ﻭ ﺍﻧﺠﺎﻡ ﺍﻧﺘﻘﺎﻝ ﺯﻣﺎﻧﻴﻜﻪ ﺑﺎﺱ ‪ PCI‬ﻣﺒﺪﺍ ﻭ ﻣﻘﺼﺪ ﺑﺮﺭﻭﻱ ﺩﻭ ﺑﺎﺱ ‪PCI‬‬ ‫ﺟﺪﺍﮔﺎﻧﻪ ﻗﺮﺍﺭ ﺩﺍﺷﺘﻪ ﺑﺎﺷﻨﺪ ‪.‬‬ ‫ﻣﻌﻤـﺎﺭﻱ ﺗﻮﺍﺯﻧـﻲ ﭼﻴﭙﺴـﺖ ‪ Profusion‬ﺑـﻪ ﺳـﻜﻮ ﻫـﺎ ﺍﺟـﺎﺯﻩ ﻣﻲ ﺩﻫﺪ ﻛﻪ ﺗﻌﺪﺍﺩ ﺯﻳﺎﺩﻱ ﺍﺯ ‪ I/O‬ﻫﺎ ﺭﺍ ﺩﺭ ﺑﺎﻻﺗﺮﻳﻦ‬ ‫ﻋﻤﻠﻜﺮﺩﻩ ﺭﺍ ﭘﺸﺘﻴﺒﺎﻧﻲ ﻧﻤﺎﻳﺪ‪.‬‬ ‫‪: RASUM 4.0‬‬ ‫ﺳﺨﺖ ﺍﻓﺰﺍﺭ ﺍﺟﺮﺍﻳﻲ ﺳﻴﺴﺘﻢ ﻭﻇﻴﻔﻪ ﭘﻴﺸﮕﻮﻳﻲ ﺷﻨﺎﺳﺎﻳﻲ ﻭ ﺣﻞ ﺍﺷﻜﻼﺕ ﺭﺍ ﺑﻪ ﻋﻬﺪﻩ ﺩﺍﺭﺩ ‪.‬‬ ‫ﺳـﺎﺧﺘﺎﺭ ﻣﺪﻳﺮﻳﺘـﻲ ﭼﻴﭙﺴـﺖ ‪ Profusion‬ﺑـﺎ ﻗﻴﻤﺖ ﻣﻨﺎﺳﺐ ﺑﺎﻋﺚ ﺭﺳﻴﺪﻥ ﺑﻪ ﺳﻴﺴﺘﻢ ‪ RASUM‬ﭘﺮﻗﺪﺭﺕ ﻣﻲ‬ ‫ﮔﺮﺩﺩ ‪.‬‬ ‫‪15‬‬

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‫ﻧﻮﻳﺴﻨﺪﻩ ﺑﺎﺑﻚ ﺳﺮﺧﭙﻮﺭ‬

‫ﺍﻳﻦ ﻣﺸﺨﺼﺎﺕ ﺷﺎﻣﻞ ‪:‬‬ ‫•‬

‫ﺩﺭ ﺑﺮ ﮔﺮﻓﺘﻦ ‪ ١‬ﺗﺎ ‪ ٨‬ﭘﺮﺩﺍﺯﻧﺪﻩ ‪.‬‬

‫•‬

‫ﭘﻮﺭﺗﻬﺎﻱ ﺩﻭﭘﺮﺩﺍﺯﻧﺪﻩ ﺃﻱ ﻭ ﻗﺎﺑﻠﻴﺖ ﻓﻌﺎﻟﻴﺖ ﺑﺎ ﻳﻚ ﭘﻮﺭﺕ ‪.‬‬

‫•‬

‫ﺗﺼﺤﻴﺢ ﻭ ﺗﻮﻟﻴﺪ ‪ ECC‬ﺑﺮﺍﻱ ﺑﺎﺱ ﺣﺎﻓﻈﻪ ‪.‬‬

‫•‬

‫ﺗﺼﺤﻴﺢ ﻭ ﺗﻮﻟﻴﺪ ‪ ECC‬ﺑﺮﺍﻱ ﺑﺎﺱ ‪. I/O‬‬

‫•‬

‫ﭘﻮﺭﺗﻬﺎﻱ ﺩﻭﺣﺎﻓﻈﻪ ﺃﻱ ﻭ ﻗﺎﺑﻠﻴﺖ ﻓﻌﺎﻟﻴﺖ ﺑﺎ ﻳﻚ ﭘﻮﺭﺕ ‪.‬‬

‫•‬

‫ﭘﺸﺘﻴﺒﺎﻧﻲ ﺍﺯ ‪. Integrated PCI‬‬

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‫ﭘﺸﺘﻴﺒﺎﻧﻲ ﺍﺯ ‪ HOT-PLUG‬ﺍﺯ ﺳﻴﺴﺘﻢ ﻣﺪﻳﺮﻳﺖ ﺑﺎﺱ ‪. SMB‬‬

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‫ﺗﻮﻟﻴﺪ ﭘﺮﻳﺘﻲ ﺟﻬﺖ ﺑﺎﺱ ﺁﺩﺭﺱ ‪PCI .‬‬

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‫ﻗﺎﺑﻠﻴﺖ ﺛﺒﺖ ﻭﻗﺎﻳﻊ ﺍﻳﺮﺍﺩﺍﺕ ﺟﻬﺖ ﻋﻤﻠﻴﺎﺕ ﺳﺮﻭﻳﺲ ﺩﻫﻲ ‪.‬‬

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‫ﺗﻮﺍﻳﻊ ﻋﻤﻠﻴﺎﺕ ﻣﺎﻧﻴﺘﻮﺭﻳﻨﮓ ‪.‬‬

‫‪ 4.1‬ﻗﺎﺑﻠﻴﺖ ﺍﻋﺘﻤﺎﺩ ‪:‬‬ ‫ﭼﻴﭙﺴـﺖ ‪ Profusion‬ﻗﺎﺑﻠﻴـﺖ ﺍﻋـﺘﻤﺎﺩ ﺳﻴﺴﺘﻢ ﺭﺍ ﺑﺎ ﭘﺸﺘﻴﺒﺎﻧﻲ ﺍﺯ ﻋﻤﻠﻴﺎﺕ ﺗﺼﺤﻴﺢ ﺧﻄﺎ ﻭ‬ ‫ﺗﺼﺤﻴﺢ ﺩﺭ ﻫﺮ ‪ ٥‬ﭘﻮﺭﺕ “ ﺩﻭ ﺑﺎﺱ ﺳﻴﺴﺘﻢ “ ﺩﻭ ﺑﺎﺱ ﺣﺎﻓﻈﻪ ﻭ ‪ I/O‬ﺍﺧﺘﺼﺎﺻﻲ ﺍﻳﺠﺎﺩ ﻣﻲ ﻛﻨﺪ ‪.‬‬ ‫ﺭﺍﺑﻄﻬـﺎﻱ ‪ I/O‬ﺍﺯ ﭘﺮﻳﺘـﻲ ﺩﺍﺩﻫـﺎ ﻭ ﺁﺩﺭﺳـﻬﺎ ﺩﺭ ﺑـﺎﺱ ‪ PCI‬ﭘﺸﺘﻴﺒﺎﻧﻲ ﻛﺮﺩﻩ ﻭﻛﻠﻴﻪ ﺍﻳﺮﺍﺩﺍﺕ ﺁﻧﺮﺍ ﺑﻪ ﺑﺎﺱ ﺳﻴﺴﺘﻢ‬ ‫ﮔﺰﺍﺭﺵ ﻣﻲ ﻛﻨﺪ ﻭ ﺍﺟﺎﺯﻩ ﺍﺟﺮﺍﻱ ﻣﻜﺎﻧﻴﺰﻡ ﻣﻄﻠﻮﺏ ﺑﺎﺯﻳﺎﺑﻲ ﺧﻄﺎ ﺗﻮﺳﻂ ﻧﺮﻡ ﺍﻓﺰﺍﺭ ﻣﺪﻳﺮﻳﺖ ﺳﻴﺴﺘﻢ ﺭﺍ ﻣﻲ ﺩﻫﺪ ‪.‬‬ ‫‪ 4.2‬ﻗﺎﺑﻠﻴﺖ ﺍﺳﺘﻔﺎﺩﻩ ‪:‬‬ ‫ﺳﻜﻮ ﻫﺎﻱ ﺳﺮﻭﺭﻱ ﻛﻪ ﺑﺮ ﺍﺳﺎﺱ ﭼﻴﭙﺴﺖ ‪ Profusion‬ﻫﺴﺘﻨﺪ ﻣﻲ ﺗﻮﺍﻧﻨﺪ ﺗﻮﺳﻂ ﻣﻌﻤﺎﺭﻱ‬ ‫ﺍﻧﻌﻄﺎﻑ ﺫﺍﺗﻲ ﺑﻪ ﺑﺎ ﻻﺗﺮﻳﻦ ﻛﺎﺭﺍﻳﻲ ﺩﺳﺖ ﻳﺎﺑﻨﺪ ‪.‬‬ ‫ﻣﻌﻤﺎﺭﻱ ﺳﻴﺴﺘﻢ ﺑﻪ ﺳﻜﻮ ﻫﺎ ﺍﺟﺎﺯﻩ ﺍﺯ ﺳﺮﮔﺮﻓﺘﻦ ﻋﻤﻠﻴﺎﺕ ﺩﺭ ﺯﻣﺎﻥ ﺍﻳﺠﺎﺩ ﺍﺷﻜﺎﻻﺕ ﺩﺭ ﻫﺮ ﻛﺪﺍﻡ ﺍﺯ ﺯﻳﺮ ﺳﻴﺴﺘﻤﻬﺎ‬ ‫ﺭﺍ ﻣﻴﺪﻫﺪ ‪.‬‬ ‫• ﻫﺮﻛﺪﺍﻡ ﺍﺯ ﺑﺎﺳﻬﺎﻱ ﺳﻴﺴﺘﻢ ‪:‬‬ ‫ﺩﺭ ﺻﻮﺭﺕ ﺑﺮﻭﺯ ﺧﻄﺎ ﺩﺭ ﻳﻜﻲ ﺍﺯ ﭘﺮﺩﺍﺯﻧﺪﻫﺎ ﺩﺭ ﻳﻜﻲ ﺍﺯ ﺑﺎﺳﻬﺎﻱ ﺳﻴﺴﺘﻢ ﻳﺎ ﺍﺷﻜﺎﻝ ﺩﺭ‬ ‫ﺑـﺎﺱ ﺳﻴﺴـﺘﻢ ﺳـﻜﻮ ﻣـﻲ ﺗﻮﺍﻧﺪ ﺍﺯ ﺁﻥ ﺑﺎﺱ ﻣﺠﺰﺍ ﮔﺸﺘﻪ ﻭ ﻋﻤﻠﻴﺎﺕ ﺭﺍ ﺗﻮﺳﻂ ﻓﻘﻂ ﺑﺎﺱ ﺳﻤﺖ ﺭﺍﺳﺖ ﻳﺎ ﭼﭗ‬ ‫ﺍﺩﺍﻣﻪ ﺩﻫﺪ ‪.‬‬ ‫‪16‬‬

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‫ﻧﻮﻳﺴﻨﺪﻩ ﺑﺎﺑﻚ ﺳﺮﺧﭙﻮﺭ‬

‫• ﻫﺮﻛﺪﺍﻡ ﺍﺯ ﭘﻮﺭﺗﻬﺎﻱ ﺣﺎﻓﻈﻪ ‪:‬‬ ‫ﺩﺭ ﺯﻣـﺎﻥ ﺑـﺮﻭﺯ ﺍﻳـﺮﺍﺩﺍﺕ ﺳـﺒﻚ ﻭ ﻳـﺎ ﺳﻨﮕﻴﻦ ﺩﺭ ﺣﺎﻓﻈﻪ“ ﺳﻴﺴﺘﻢ ﻣﻲ ﺗﻮﺍﻧﺪ‬ ‫ﻣﻴﺰﺍﻥ ﺣﺎﻓﻈﻪ ﺯﻳﺮﺳﻴﺴﺘﻢ ﺭﺍ ﺍﺯ ﺩﻭﭘﻮﺭﺗﻪ ﺑﻪ ﺑﻚ ﭘﻮﺭﺗﻪ ﭘﻴﻜﺮﺑﻨﺪﻱ ﻧﻤﺎﻳﺪ ‪.‬‬ ‫• ﻫﺮﻛﺪﺍﻡ ﺍﺯ ﻓﻴﻠﺘﺮﻫﺎﻱ ﺍﺭﺗﺒﺎﻃﻲ ﺣﺎﻓﻈﻪ ﻧﻬﺎﻥ ‪:‬‬ ‫ﺩﺭ ﺯﻣـﺎﻥ ﺑـﺮﻭﺯ ﺍﻳـﺮﺍﺩﺍﺕ ﺳـﺒﻚ ﻭ ﻳﺎ ﺳﻨﮕﻴﻦ “ ﻓﻴﻠﺘﺮﻫﺎﻱ‬ ‫ﺍﺭﺗﺒﺎﻃـﻲ ﺣﺎﻓﻈـﻪ ﻧﻬـﺎﻥ ﻣـﻲ ﺗﻮﺍﻧـﻨﺪ ﺟﻬﺖ ﺍﻧﺠﺎﻡ ﻋﻤﻠﻴﺎﺕ ﺳﻴﺴﺘﻢ ﻏﻴﺮ ﻓﻌﺎﻝ ﮔﺸﺘﻬﺪﺭ ﺍﻳﻦ ﺻﻮﺭﺕ ﻛﺎﺭﺍﻳﻲ‬ ‫ﺳﻴﺴﺘﻢ ﺗﺮﺍﺿﻲ ﺍﺯ ﻗﺎﺑﻠﻴﺘﻬﺎﻱ ﺳﻴﺴﺘﻢ ﻣﻲ ﺑﺎﺷﺪ ‪.‬‬ ‫• ﻫﺮﻛﺪﺍﻡ ﺍﺯ ﺍﺗﺼﺎﻻﺕ ‪ I/O‬ﻫﺎ ‪:‬‬ ‫ﺩﺭ ﺯﻣﺎﻥ ﺑﺮﻭﺯ ﺧﻄﺎ ﺩﺭ ‪ I/O‬ﻫﺮﻛﺪﺍﻡ ﺍﺯ ﺍﺗﺼﺎﻻﺕ ‪ PB64 I/O‬ﻣﻲ ﺗﻮﺍﻧﻨﺪ ﺍﺯ‬ ‫ﺳﻴﺴـﺘﻢ ﻣﺠـﺰﺍ ﮔﺸـﺘﻪ ﻭ ﻏﻴﺮ ﻓﻌﺎﻝ ﮔﺮﺩﻧﺪ “ ﺳﻪ ﺳﻴﺴﺘﻢ ‪ PB64‬ﺑﺎﻗﻲ ﻣﺎﻧﺪﻩ ﻣﻲ ﺗﻮﺍﻧﻨﺪ ﻋﻤﻠﻴﺎﺕ ‪ I/O‬ﺭﺍ‬ ‫ﺍﻧﺠﺎﻡ ﺩﻫﻨﺪ ‪.‬‬ ‫•‬

‫ﻫﺮﻛﺪﺍﻡ ﺍﺯ ﺗﺠﻬﻴﺰﺍﺕ ‪: PCI‬‬ ‫ﺩﺭ ﺯﻣـﺎﻥ ﺑـﺮﻭﺯ ﺧﻄﺎ ﺩﺭ ﻫﺮﻛﺪﺍﻡ ﺍﺯﻛﺎﺭﺗﻬﺎﻱ ‪“ PCI I/O‬ﺳﺎﺧﺘﺎﺭ ‪PCI HOT-Plug‬‬

‫ﺍﺟـﺎﺯﻩ ﻣﻴﺪﻫﺪ ﻓﻌﺎﻟﻴﺖ ﻛﺎﺭﺕ ‪ PCI‬ﺗﺎﺯﻣﺎﻥ ﻓﻌﺎﻝ ﺑﻮﺩﻥ ﺳﻴﺴﺘﻢ ﺑﻪ ﺩﻳﮕﺮﻱ ﺍﻧﺘﻘﺎﻝ ﻳﺎﻓﺘﻪ ﻭ ﻛﺎﺭﺕ ﻣﻌﻴﻮﺏ‬ ‫ﺍﺯ ﺳﻴﺴﺘﻢ ﻣﺠﺰﺍ ﮔﺸﺘﻪ ﻛﻪ ﺑﺎﻋﺚ ﺑﻬﺒﻮﺩﻱ ﻛﺎﺭﺍﻳﻲ ﺳﻴﺴﺘﻢ ﺑﺪﻭﻥ ﺁﺳﻴﺐ ﺩﻳﺪﮔﻲ ﺟﺪﻱ ﻣﻲ ﮔﺮﺩﺩ ‪.‬‬ ‫‪ 4.3‬ﺗﻌﻤﻴﺮ ﭘﺬﻳﺮﻱ ‪:‬‬ ‫ﻋﻴـﺐ ﻳﺎﺑﻲ ﻭ ﺭﻓﻊ ﺳﺮﻳﻊ ﺁﻥ ﺑﺎﻋﺚ ﺑﻬﺒﻮﺩﻱ ﻗﺎﺑﻠﻴﺖ ﺍﺳﺘﻔﺎﺩﻩ ﺍﺯ ﺳﻴﺴﺘﻢ ﻣﻲ ﮔﺮﺩﺩ “ ﺍﻳﻦ‬ ‫ﻣﻮﻓﻘﻴﺘـﻲ ﺍﺳـﺖ ﻛـﻪ ﺗﻮﺳـﻂ ﻣﻜﺎﻧـﻴﺰﻡ ﻗﺎﺑﻠﻴـﺖ ﺩﺳﺘﺮﺳـﻲ ﺗﻮﺳـﻂ ﻃـﺮﺍﺡ ﺳـﻜﻮﻩ ﺩﺭ ﺗﻼﺷـﻲ ﺑﺮﺍﻱ ﻳﺎﻓﺘﻦ ‚‬ ‫ﭘﻴﺸﮕﻴﺮﻱ ‚ ﺩﻗﺖ ﻭ ﺗﻌﻤﻴﻴﺮ ﺑﺎﻋﺚ ﻣﺎﻧﻊ ﺷﺪﻥ ﺩﺭ ﺑﺨﺸﻬﺎﻱ ﺳﻜﻮ ﻣﻲ ﮔﺮﺩﺩ ‪.‬‬ ‫ﺍﻳﻦ ﺑﺨﺶ ﺷﺎﻣﻞ ‪:‬‬ ‫• ﺛﺒﺖ ﺧﻄﺎﻫﺎ ‪:‬‬ ‫ﭼﻴﭙﺴﺖ ‪ Profusion‬ﻗﺎﺑﻠﻴﺖ ﺑﺎﻻﻳﻲ ﺩﺭ ﺛﺒﺖ ﻣﺸﺨﺼﺎﺕ ﺧﻄﺎﻫﺎ ﺟﻬﺖ ﻛﻤﻚ ﺑﻪ ﻧﺮﻡ‬ ‫ﺍﻓﺰﺍﺭ ﻣﺪﻳﺮﻳﺖ ﺳﻴﺴﺘﻢ ﺑﻬﻤﺮﺍﻩ ﺟﺰﺋﻴﺎﺕ ﻣﻤﺎﻧﻌﺖ ﺍﺯ ﺑﺮﻭﺯ ﻋﻼﺋﻤﻲ ﻛﻪ ﻣﻲ ﺗﻮﺍﻧﺪ ﺩﺭ ﺷﻨﺎﺳﺎﻳﻲ ﺩﻗﻴﻖ‬ ‫ﻣﺸﻜﻼﺕ ﺗﺎﺛﻴﺮ ﺑﺴﺰﺍ ﻳﻲ ﺑﮕﺬﺍﺭﺩ ﺩﺍﺭﺩ ‪.‬‬ ‫‪17‬‬

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‫ﻧﻮﻳﺴﻨﺪﻩ ﺑﺎﺑﻚ ﺳﺮﺧﭙﻮﺭ‬

‫• ‪:Hot-Plug‬‬ ‫ﻳﻜﭙﺎﺭﭼﮕــــﻲ ﺳﻴﺴــــﺘﻢ ‪Hot-Plug‬‬

‫‪ PCI‬ﭼﻴﭙﺴــــﺖ ‪ Profusion‬ﺩﺍﺭﻱ‬

‫ﻣﺸﺨﺼﺎﺕ ﻣﺘﻨﻮﻉ ﻭ ﻣﻘﺮﻭﻥ ﺑﻪ ﺻﺮﻓﻪ ﻣﻲ ﺑﺎﺷﺪ ﻭ ﺍﺟﺎﺯﻩ ﺑﺮﺳﻲ ﻣﺸﻜﻼﺕ ﻭ ﺭﻓﻊ ﺁﻧﺮﺍ ﺑﺪﻭﻥ ﻓﺸﺎﺭ‬ ‫ﻭﺍﻗﻌﻲ ﺑﻪ ﻋﻤﻠﻴﺎﺕ ﺳﻴﺴﺘﻢ ﻣﻲ ﺩﻫﺪ ‪.‬‬ ‫‪ 4.4‬ﻗﺎﺑﻠﻴﺖ ﺑﻜﺎﺭﮔﻴﺮﻱ ‪:‬‬ ‫ﻗﺎﺑﻠﻴﺖ ﺍﻧﻌﻄﺎﻑ ﻣﻌﻤﺎﺭﻱ ﭼﻴﭙﺴﺖ ‪ Profusion‬ﺩﺭ ﺍﺣﺎﻃﻪ ﻭ ﺗﻮﺳﻌﻪ ﺁﻥ ﺑﺮ ﺍﺟﺰﺍﻱ ﺁﻥ‬ ‫ﻣﻲ ﺑﺎﺷﺪ ﻛﻪ ﺗﻮﺳﻌﻪ ﭘﺬﻳﺮﻱ ﺩﺭ ﺑﺨﺸﻬﺎﻱ ﺣﺎﻓﻈﻪ ﻭ ‪ I/o‬ﻭ ﺯﻳﺮ ﺳﻴﺴﺘﻤﻬﺎ ﻭﺟﻮﺩ ﺩﺍﺭﺩ‪.‬‬ ‫• ﺗﻮﺳﻌﻪ ﭘﺬﻳﺮﻱ ﭘﺮﺩﺍﺯﻧﺪﻩ ‪:‬‬ ‫ﺳـﻜﻮﻫﺎﻳﻲ ﻛـﻪ ﺑـﺮ ﺍﺳـﺎﺱ ﭼﻴﭙﺴـﺘﻬﺎﻱ ‪ Profusion‬ﺳـﺎﺧﺘﻪ ﻣـﻲ ﺷﻮﻧﺪ ﻗﺎﺩﺭ ﺑﻪ ﻛﺎﺭ ﺑﺎ‬ ‫‪ SMP‬ﻫﺎﻱ ﭼﻬﺎﺭ ﻃﻔﻪ ﻭ ﺗﺮﻛﻴﺐ ﺑﺎ ‪ SMP‬ﻫﺎﻱ ﻫﺸﺖ ﻃﺮﻓﻪ )ﻣﺴﻴﺮ( ﺩﺭ ﻗﺎﻟﺐ ﻳﻚ ﺳﻴﺴﺘﻢ ﻣﺪﻳﺮﻳﺘﻲ ﺷﺎﺧﺺ‬ ‫ﻭ ﺩﻗﻴﻖ ﺑﺮﺍﻱ ﭘﺮﺩﺍﺯﺷﻬﺎﻱ ‪ IT‬ﺩﺭ ﺗﻨﮕﻨﺎﻫﺎﻱ ﺷﺒﻜﻪ ﻣﻲ ﺑﺎﺷﻨﺪ ‪.‬‬ ‫• ﺗﻮﺳﻌﻪ ﭘﺬﻳﺮﻱ ﺣﺎﻓﻈﻪ ‪:‬‬ ‫ﺣﺎﻓﻈـﻪ ﻫﺎﻱ ﺯﻳﺮ ﺳﻴﺴﺘﻢ ﻫﻤﭽﻨﻴﻦ ﻗﺎﺑﻠﻴﺖ ﺗﻮﺳﻌﻪ ﺗﻌﺪﺍﺩ ﻭ ﻣﻘﺪﺍﺭ ﻇﺮﻓﻴﺖ ﺣﺎﻗﻈﻪ‬ ‫ﺭﺍ ﺩﺍﺭﻧﺪ ‪.‬‬ ‫• ﺗﻮﺳﻌﻪ ﭘﺬﻳﺮﻱ ‪: I/O‬‬ ‫ﺩﺭ ﺳﻜﻮﻫﺎ ﺗﻮ ﺳﻌﻪ ﺑﺎﺱ ‪ I/O‬ﻧﻴﺰ ﻣﻘﺪﻭﺭ ﻣﻲ ﺑﺎﺷﺪ ﻛﻪ ﺍﺟﺎﺯﻩ ﺍﺿﺎﻓﻪ ﻛﺮﺩﻥ ﺳﻴﺴﺘﻢ ﻫﺎﻱ ﺩﻳﮕﺮ ﺭﺍ ﺑﻪ‬ ‫ﺷﺒﻜﻪ ﻫﺎﻱ ﭘﺮﻗﺪﺭﺕ ﺗﻮﺳﻂ ﺳﺮﻭﺭﻫﺎﻱ ﻫﺸﺖ ﻣﺴﻴﺮﻩ ﭘﺮﻗﺪﺭﺕ ﻣﻲ ﺩﻫﺪ ‪.‬‬ ‫‪18‬‬

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‫ﻧﻮﻳﺴﻨﺪﻩ ﺑﺎﺑﻚ ﺳﺮﺧﭙﻮﺭ‬ ‫‪ : 4.5‬ﻗﺎﺑﻠﻴﺖ ﻣﺪﻳﺮﻳﺖ ‪:‬‬

‫ﺳــﻜﻮ ﻫﺎﻳــﻲ ﻛــﻪ ﺑﺮﺍﺳــﺎﺱ ﭘــﺮﺩﺍﺯﻧﺪﻩ ﻫــﺎﻱ ‪ Pentium III Xeon‬ﻭ ﭼﻴﭙﺴــﺘﻬﺎﻱ‬ ‫‪ Profusion‬ﺳﺎﺧﺘﻪ ﻣﻲ ﺷﻮﻧﺪ ﺍﺯ ﻣﺪﻳﺮﻳﺖ ﺳﻴﺴﺘﻢ ﻛﻪ ﺑﺎﻋﺚ ﺍﻳﺠﺎﺩ ﺩﺳﺘﺮﺳﻲ ﺑﻪ ﺟﺰﺋﻴﺎﺕ ﺍﻃﻼﻋﺎﺕ ﺩﺭ ﻣﻮﺭﺩ‬ ‫ﺍﺟﺰﺍ ﻭ ﻭﺿﻌﻴﺖ ﺗﺠﻬﻴﺰﺍﺕ ﺳﻜﻮ ﺭﺍ ﻣﻲ ﺩﻫﺪ ﻧﻴﺰ ﭘﺸﺘﻴﺒﺎﻧﻲ ﻣﻲ ﻧﻤﺎﻳﺪ ‪.‬‬ ‫ﺳﻴﺴـﺘﻢ ﻫـﺎﻱ ﻣﺪﻳﺮﻳﺘـﻲ ﻣﺎﻧـﻨﺪ ﭘﻴﮕـﻴﺮﻱ ﻭ ﻭﺿﻌﻴﺘﻬﺎ ﻣﺪﻳﺮﻳﺖ ﭘﻴﻜﺮﺑﻨﺪﻱ ﻭ ﻣﺪﻳﺮﻳﺖ ﻛﺎﺭﺍﻳﻲ ﺟﻬﺖ ﻣﺪﻳﺮﻳﺖ‬ ‫ﺑﺴـﺎﺭ ﻣﻔـﻴﺪ ﻣـﻲ ﺑﺎﺷـﻨﺪ ‪ ،‬ﻣﺸﺨﺼـﺎﺕ ﻣﺪﻳﺮﻳﺘﻲ ﺯﻳﺮ ﺩﺭ ﺳﻴﺴﺘﻢ ﭼﻴﭙﺴﺘﻬﺎﻱ ‪ Profusion‬ﻣﻄﺎﺑﻖ ﻣﻮﺍﺭﺩ ﺯﻳﺮ‬ ‫ﺍﺳﺖ ‪:‬‬ ‫ﺍﻟﻒ ( ﻛﺎﺭﺍﻳﻲ ‪:‬‬ ‫ﻗﺎﺑﻠﻴـﺖ ﻧﻤـﺎﻳﺶ ﻛﺎﺭﺍﻳـﻲ ﭼﻴﭙﺴـﺖ ‪ Profusion‬ﺑﻪ ﻣﺪﻳﺮﺍﻥ ‪ IT‬ﺍﻳﻦ ﺍﻣﻜﺎﻥ ﺭﺍ ﻣﻲ ﺩﻫﺪ ﻛﻪ ﺑﺎ‬ ‫ﻣﺸﺎﻫﺪﻩ ﻭ ﺿﻌﻴﺖ ﺍﺳﺘﻔﺎﺩﻩ ﺍﺯ ﺳﻴﺴﺘﻢ ﺑﺘﻮﺍﻧﻨﺪ ﭘﺎﺳﺨﮕﻮﻳﻲ ﻭ ﺗﻮﺍﻥ ﻋﻤﻠﻴﺎﺗﻲ ﺷﺒﻜﻪ ‪ ،‬ﻧﻤﺎﻳﺶ ﻣﺼﺮﻑ ‪CPU‬‬ ‫‪ ،‬ﺛﺒﺖ ﻛﺎﺭﺍﻳﻲ ﺳﻴﺴﺘﻢ ﻭ ﺑﺮﻧﺎﻣﻪ ﺭﻳﺰﻱ ﻇﺮﻓﻴﺖ ﺳﻴﺴﺘﻢ ﺭﺍ ﺑﻬﻴﻨﻪ ﻧﻤﺎﻳﻨﺪ ‪.‬‬ ‫ﺏ( ﻓﻮﺍﺋﺪ ﻣﺪﻳﺮﻳﺘﻲ ‪:‬‬ ‫ﺛﺒـﺖ ﺧﻄـﺎ ﻫـﺎ ﻣﺪﻳـﺮﺍﻥ ‪ IT‬ﺭﺍ ﻗـﺎﺩﺭ ﻣـﻲ ﺳﺎﺯﺩ ﻛﻪ ﺑﺘﻮﺍﻧﻨﺪ ﺍﻳﺮﺍﺩﺍﺕ ﺭﺍ ﭘﻴﺪﺍ ﻛﺮﺩﻩ ﻭ ﺍﺟﺰﺍ ﺭﺍ‬ ‫ﻣﺸﺨﺺ ﻭ ﺭﻓﻊ ﻋﻴﺐ ﻧﻤﺎﻳﻨﺪ ﻛﻪ ﺑﺎﻋﺚ ﻛﺎﺭﻛﺮﺩ ﻣﻮﺛﺮ ﺷﺒﻜﻪ ﻭ ﻣﺪﻳﺮﻳﺖ ﻗﻮﻱ ﻣﻲ ﮔﺮﺩﺩ ‪.‬‬ ‫‪ :5.0‬ﺧﻼﺻﻪ ‪:‬‬ ‫ﺍﻧـﺘﺨﺎﺏ ﻳﻚ ﻣﺪﻳﺮﻳﺖ ﺍﺧﺘﺼﺎﺻﻲ ﺑﺎ ﻣﻌﻤﺎﺭﻱ ﺑﺎﺯ ‪ SMP‬ﻫﺸﺖ ﻣﺴﻴﺮﻩ ﺟﻬﺖ ﺳﻜﻮﻫﺎ ﻫﻢ ﺍﻛﻨﻮﻥ ﺑﺮﺍﻱ‬ ‫ﺻﻨﺎﻳﻊ ﺑﺎ ﻣﻌﺮﻓﻲ ﺭﺳﻤﻲ ‪ Profusion‬ﺩﺭ ﺩﺳﺘﺮﺱ ﺍﺳﺖ ‪.‬‬ ‫ﭼﻴﭙﺴـﺖ ‪ Profusion‬ﻣﺤﺪﻭﺩﻳـﺖ ﻫـﺎ ﺭﺍ ﺭﻓـﻊ ﻛـﺮﺩﻩ ﻭ ﺑﺎﻋـﺚ ﺍﻓﺰﺍﻳﺶ ﻛﺎﺭﺁﻳﻲ ﺩﺭ ﺳﺮﻭﺭﻫﺎﻱ ‪ SHV‬ﺑﺎ‬ ‫ﺗﻮﺳﻌﻪ ﻃﺮﺍﺣﻲ ﺍﺯ ﭼﻬﺎﺭ ﻣﺴﻴﺮ ﺑﻪ ﻫﺸﺖ ﻣﺴﻴﺮ ﮔﺮﺩﻳﺪﻩ ﺍﺳﺖ ‪.‬‬ ‫ﺳــﻜﻮﻫﺎﻱ ﺑــﺮ ﺍﺳــﺎﺱ ﭼﻴﭙﺴــﺖ ‪ Profusion‬ﺑﺎﻋــﺚ ﺗﻐﻴــﻴﺮ ﻗﻴﻤــﺘﻬﺎ ﻭ ﻣﺤــﻚ ﻛﺎﺭﺁﻳــﻲ ﺑــﺮﺍﻱ ﺳــﻜﻮﻱ‬ ‫ﺳـﺮﻭﺭﻫﺎﻱ ﻛـﻼﺱ ﻓــﻮﻕ ﺍﻟﻌـﺎﺩﻩ ‪ SHV‬ﻭ ﺁﺩﺭﺱ ﺩﻫــﻲ ﻣﻮﺛــﺮ ﺟﻬﺖ ﻣﺤﺎﺳﺒﺎﺕ ﭘﻴﭽﻴﺪﻩ ﻛﻪ ﺍﻣﺮﻭﺯﻩ ﺑﺮﺍﻱ‬ ‫ﺍﺭﺗﺒﺎﻃﺎﺕ ﺗﺠﺎﺭﻱ ﺍﻳﻨﺘﺮﻧﺖ ﻧﻴﺎﺯ ﻣﻲ ﺑﺎﺷﺪ ‪ ،‬ﮔﺸﺘﻪ ﺍﺳﺖ ‪.‬‬ ‫ﺍﻳـﻦ ﻣﻌﻤـﺎﺭﻱ ﺑﺎﻋـﺚ ﻃـﻮﻝ ﻋﻤـﺮ ﺑﻴﺸﺘﺮ ‪ ،‬ﻛﺎﺭﺁﻳﻲ ﺑﺎﻻ ‪ ،‬ﺳﺎﺯﮔﺎﺭﻱ ‪ RESUM‬ﺑﺎﻻ ﻭ ﭘﺸﺘﻴﺒﺎﻧﻲ ﺍﺯ ﺍﻧﻮﺍﻉ‬ ‫ﺍﺳﺘﺎﻧﺪﺍﺭﺩﻫﺎﻱ ﺻﻨﻌﺘﻲ ﺍﺳﻼﺕ ﻫﺎﻱ ‪ I/O‬ﻣﺎﻧﻨﺪ ‪ PCI‬ﻭ ﭘﻬﻨﺎﻱ ﺑﺎﻧﺪ ﺍﺳﺘﺜﻨﺎﻳﻲ ‪ I/O‬ﮔﺮﺩﻳﺪﻩ ﺍﺳﺖ ‪.‬‬ ‫ﻫﻤـﻪ ﺍﻳـﻦ ﺗﻮﺍﻧﺎﻳـﻲ ﻫـﺎ ﺑـﻪ ﻭﺳﻴﻠﻪ ﭼﻬﺎﺭ ﭼﻮﺏ ﺍﺭﺗﺒﺎﻃﻲ ﻣﻮﺟﻮﺩ ‪ ،‬ﻇﺮﻓﻴﺖ ﺑﺎﻻ ‪ ،‬ﭘﺮﺩﺍﺯﻧﺪﻩ ﻫﺎﻱ ﺑﺎ ﻛﻼﺱ‬ ‫ﻓﻮﻕ ﺍﻟﻌﺎﺩﻩ ﺍﺯ ﺍﻳﻨﺘﻞ ﻭ ﺳﻴﺴﺘﻢ ﻫﺎﻱ ﻋﺎﻣﻞ ﺍﻳﺠﺎﺩ ﻣﻲ ﮔﺮﺩﺩ ‪.‬‬ ‫‪19‬‬