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AMD PROCESSOR Deploy Now, Migrate Later: The evolution from 32-bit computing to 64-bit computing is inevitable. Yet, the transformation must be made carefully to protect investments in 32-bit applications. With AMD Opteron-based servers from Sun, you can easily deploy a 64-bit environment today and migrate at your own pace. The AMD Opteron architecture allows 32-bit and 64-bit applications to coexist on the same system — so you can move to 64-bit only where needed and follow the normal product "end of life" cycles for 32-bit applications. Native Execution, Not Software Emulation: Other 64-bit architectures use a combination of hardware and software emulation techniques to execute 32-bit x86 application code. The Sun Fire systems, however, are based on the AMD64 architecture, which implements the AMD64 Instruction Set Architecture (ISA). The AMD64 ISA extends the existing 32-bit x86 ISA and natively executes 32-bit application code without software emulation to degrade performance. The AMD64 platform is unique in its approach to delivering 64-bit capabilities while maintaining highly competitive 32-bit performance. Keeping Up with the Rate of Progress: When it comes to CPUs, faster hasn't always meant better. For many years, the computer industry has witnessed a gap between increases in microprocessor clock speeds and the far slower improvements in system memory bandwidth. The result: More applications have become memory bound, so revved up processor speeds have had little impact on overall application performance. AMD Opteron-based Sun Fire systems are designed to bridge the gap between processor speed and bandwidth. Two key features that enable AMD Opteron processors to keep up with the pace of progress are the integrated memory controller and the revolutionary HyperTransport Interconnect. Fast I/O and Inter-Processor Communication: HyperTransport technology is a high-speed on-chip interconnect that facilitates communications between processor and I/O devices with low latency point-to-point links that operate up to 48 times faster than some existing technologies. HyperTransport processing is on-chip, but occurs in a separate unit from the processor core so that interconnect processing takes place without interrupting the memory controller on the processor. Screaming Performance: Integrating the memory controller into the AMD Opteron processor helps to lower latency and increase effective memory bandwidth. In addition, by eliminating the FSB (front side bus), the memory controller no longer runs at the bus speed, but at the processor clock speed. This approach delivers direct memory bandwidth scalability to multiprocessor systems. Every processor that is added brings an additional memory controller to the system. Each processor has an independent connection to its local memory, so the memory in the system is physically divided among the processors. When a processor wants to address memory associated with another processor, the request goes through the HyperTransport bus and is handled by the local memory controller. With this approach, the processors do not have to contend with a single central memory resource. Multiple Choice: Sun's AMD Opteron-based servers also offer exceptional flexibility and choice through support of multiple operating systems, including 32/64-bit Red Hat Enterprise Linux and 32/64-bit SuSE Linux Enterprise Server 8. The Solaris Operating System (x86 Platform Edition) will also be available in 32-bit and 64-bit. And, the Sun Fire V20z server is WHQL- (Windows Hardware Quality Labs) certified to run the Windows 2000 and 2003 Enterprise Server Operating Systems, supported by third-party vendors. need other links go to SITE MAP |
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