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Technology Stocks : All About Sun Microsystems

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To: Ali Chen who wrote (48933)	5/11/2002 10:30:14 AM
From: rudedog	Read Replies (1) of 64865

Ali - the proof is in the pudding - results speak for themselves. but it is not the task switch (thread switch actually) which imposes the overhead, since that happens in either a 32 bit or 64 bit environment. Rather it is access to a flat memory space versus a segmented one. The difference to fill a data page request in Oracle, for example, is 2500 instructions for a flat memory operation versus more than 20,000 in a segmented model. The memory access itself at the hardware level is 16 times longer assuming the data is in L2. The IA32 TPC-whatever results you mention look good for Intel only for distributed data in a cluster, not for single machine performance. Take a look at tpc.org You will see that there is NO Intel-based volume server in the top ten, let alone "leading the pack". Those are some pretty absolute numbers. But if you need more, look at TPC-H. tpc.org In the small database section, Intel servers do well. But in the more enterprise-oriented sizes, 300GB and 1000GB - there are again NO intel based servers in the list.

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