“Sandy Bridge” と Intel CPU の行方 - 知的システムデザイン研究室
“Sandy Bridge” と Intel CPU の行方 - 知的システムデザイン研究室
“Sandy Bridge” と Intel CPU の行方 - 知的システムデザイン研究室
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113 2010 04 <strong>“Sandy</strong> <strong>Bridge”</strong> <strong>Intel</strong> <strong>CPU</strong> Hiroaki YAMAGUCHI, Hisao IMAMIYA1 <strong>CPU</strong> <strong>CPU</strong> <strong>Intel</strong> <strong>CPU</strong> 15 20 2002 50 <strong>Intel</strong> x86 <strong>CPU</strong> <strong>CPU</strong> <strong>Intel</strong> AVX SandyBridge <strong>CPU</strong> 2011<strong>Intel</strong> <strong>CPU</strong> Sandy Bridge 2 <strong>CPU</strong> 2.1 <strong>CPU</strong> 2002 <strong>CPU</strong> 50 2002 <strong>CPU</strong> 15 20 Fig.1 <strong>CPU</strong>Fig.1 <strong>CPU</strong> ( 1) )Fig.1 ILP(Instruction-Level Parallelism) ILP ILP PC <strong>CPU</strong> <strong>CPU</strong> <strong>CPU</strong> 2.2 <strong>CPU</strong> <strong>Intel</strong> ILP 1 1 <strong>Intel</strong> AVX(<strong>Intel</strong>Advanced Vector Extensions) <strong>Intel</strong> AVX <strong>CPU</strong> SandyBridge 3 Sandy Bridge3.1 Sandy Bridge Sandy Bridge 2011 <strong>CPU</strong> <strong>Intel</strong>AVX x86 32nm Sandy Bridge <strong>CPU</strong> PC Sandy Bridge H2 PC Sandy Bridge B2 Sandy BridgeH2 <strong>CPU</strong> 4 GPU 3D SandyBridge B2 GPU <strong>CPU</strong> 8 3.2 AVX AVX 1 1 256 128 256 1 x86 2 8 Fig.2 1
Fig.2 ( 2) )Fig.4VEX ( 3) )3.3 34 x86 2 AVX 3 4 A+B C Fig.3 Fig.3 ()Fig.3 2 2A C C+B C 23 3 A+B C 1 3.4 3.4.1 x86 x86 1 <strong>CPU</strong> VEX VEX x86 1 Sandy Bridge 2 2 3 3 1000 4 3.5 3.5.1 TDP(Thermal Design Power) <strong>CPU</strong>Sandy Bridge PCU(Power Control Unit) 3.5.2 <strong>CPU</strong> <strong>CPU</strong> <strong>CPU</strong> TDP <strong>CPU</strong> Fig.5 3.4.2 VEX AVX 3 4 VEX Fig.4 Fig.4 VEX VEX 1 2 Fig.5 ( 3) )TDP 2
<strong>CPU</strong> 3.5.3 <strong>CPU</strong> 35 Fig.6 Fig.6 ( 3) )Fig.6 20 3.5.4 <strong>CPU</strong> Fig.7 Fig.7 ( 3) )4 <strong>Intel</strong> <strong>CPU</strong><strong>Intel</strong> <strong>Intel</strong> AVX FusedMultiply Add 1 2012 Sandy Bridge Ivy Bridge 22nm 18 22nm <strong>CPU</strong> 50 5 <strong>Intel</strong> <strong>CPU</strong> 21 1 <strong>CPU</strong> Sandy Bridge <strong>Intel</strong> AVX AVX <strong>CPU</strong> Power Wall 50AVX FMA1) Weekly x86 <strong>Intel</strong> http://pc.watch.impress.co.jp/docs/2008/0407/kaigai434.htm.2) Weekly intel <strong>CPU</strong> Sandy Bridge GPU http://pc.watch.impress.co.jp/docs/column/kaigai/20100412 360173.html.3) Weekly http://pc.watch.impress.co.jp/docs/2007/1217/kaigai408.htm. TDP 1 30 3