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Building Blocks for 64-bit AMD Opteron Clusters - Linux Clusters ...

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<strong>AMD</strong> <strong>Opteron</strong> Processor Overview<br />

‣ Per<strong>for</strong>mance<br />

➼High-bandwidth integrated<br />

memory controller scales with<br />

processor frequency and<br />

number of processors<br />

➼L2 1MB Cache<br />

<strong>AMD</strong> <strong>Opteron</strong> processor<br />

architecture<br />

DDR Memory<br />

Controller<br />

‣ Compatibility<br />

➼Approximately 10,000 legacy<br />

applications at time of launch<br />

‣ Scalability<br />

➼Reduced costs <strong>for</strong> high-end<br />

systems<br />

➼Removes I/O bottlenecks<br />

➼Easy multiprocessor scaling<br />

➼16-<strong>bit</strong> HyperTransport<br />

technology links are at 1600MT/s;<br />

provides 6.4GB/s peak aggregate<br />

bandwidth<br />

<strong>AMD</strong><strong>64</strong><br />

Core<br />

L1<br />

Instruction<br />

Cache<br />

L1<br />

Data<br />

Cache<br />

HyperTransport<br />

technology<br />

16 16 16<br />

L2<br />

Cache<br />

15

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