Monthly Archives: July 2008

sort in 7bit and 8bit

Posted on July 28, 2008 by laotsao 老曹

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

Posted on July 16, 2008 by laotsao 老曹

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

Posted in HPTC | Leave a comment

3 socket AMD system

Posted on July 15, 2008 by laotsao 老曹

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 →

Posted in HPTC | Leave a comment