Sun Microsystems X4600 Manuel d'utilisateur télécharger pdf (Page 18)

Sun Microsystems, Inc.

Figure 2-4: Single-Core AMD Opteron Processor Architecture

The Sun Fire X4600 server supports both Single-Core and Dual-Core AMD Opteron 800 Series processors.

The Sun Fire X4600 M2 server supports Dual-Core AMD Opteron 8000 Series processors. From the start,

AMD64 processors were designed to add a second core—the port already existed on the crossbar/SRI. Dual-

core AMD Opteron processors have unique instances of L1 cache (I-cache and D-cache) and L2 cache for

each CPU core. Features of the Dual-Core AMD Opteron processor include:

• Socket compatibility with existing 940-pin sockets that are compatible with 90nm single-core processor

architectures

• One die with two CPU cores

• The same power requirements as single-core CPUs

• Individual L1 Instruction cache per CPU core

• Individual L1 Data cache per CPU core

• Individual 1-MB L2 cache per CPU core

• Shared memory controller and HyperTransport interconnects for two cores

• Fully utilized memory and HyperTransport bandwidths

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Sun Microsystems X4600 Manuel d'utilisateur Page 18