The Vector Floating-Point Unit in a Synergistic Processor Element of ...
The Vector Floating-Point Unit in a Synergistic Processor Element of ...
The Vector Floating-Point Unit in a Synergistic Processor Element of ...
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<strong>Vector</strong> FPU <strong>of</strong> a <strong>Synergistic</strong> Process<strong>in</strong>g <strong>Element</strong> <strong>of</strong> a CELL <strong>Processor</strong><br />
CELL <strong>Processor</strong>: “Supercomputer on a Chip”<br />
<strong>Synergistic</strong> Process<strong>in</strong>g <strong>Element</strong> SPE<br />
• Provides computational power <strong>of</strong> CELL processor<br />
• Optimized for compute-<strong>in</strong>tensive and broadband rich media<br />
applications such as real-time 3D graphics, media, DSP, ….<br />
• Power & area efficiency are key enablers Multi-Core design<br />
SPfpu & DPfpu<br />
FPU <strong>of</strong> the SPE<br />
• <strong>Vector</strong> FPU operat<strong>in</strong>g on 128b data<br />
– S<strong>in</strong>gle precision: 4x32b<br />
– Double precision: 2x64b<br />
• Outstand<strong>in</strong>g SP performance<br />
High frequency, low latency<br />
SP <strong>in</strong> ma<strong>in</strong> data-flow bit stack<br />
DP on the side<br />
SPE<br />
Silvia M. Mueller | June 2005 | ARITH-17<br />
© 2005 IBM Corporation
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