Monthly Archives: July 2008

sort in 7bit and 8bit

IHAC wrote to me that depend on which subnet he login to T5120 the timex sort file>file.out on /tmp give very different result; one is about 8 sec one is about 2. minute 50 sec a factor of 21 difference. … Continue reading

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Flextronics IB switches

Flextronics provide some very inexpensive IB switches infiniband for Mass Interesting article that talk about in expensive IB for HPC cluster

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3 socket AMD system

Base on today HT-1.0, it seems that 3 socket AMD 8xxx CPU with the 3 HT-links will be a very balance IO server with 3 HT links, each CPU will have HT link to other CPU and one HT link … Continue reading

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