On Mon, 16 Sep 2002, Chris Dagdigian wrote: > > Be careful with your benchmarks as they can be meaningless or > misleading. You will find that the speed of blast distributed within a > cluster or compute farm is directly related to 2 things: (a) the amount > of physical memory in the compute nodes and (b) the speed of your > storage or disk I/O system. I'll be. > You can have the fastest server on earth but if you searching with > blast against an NFS mounted database and your network or fileserver is > slow then your blast searching speeds will be horrible. Give me a small > number of speedy linux boxes and I can bring a $300,000 NFS/NAS system > to its knees. Storage does matter. > > Blast performance also depends on you tune your DRM (gridengine or LSF > etc. etc.) and how you adjust your workflow with respect to splitting > large databases, locally caching data on compute nodes etc. etc. I'm sorry, I didn't understand DRM, what does that mean??? > What are you trying to benchmark for? Picking the right CPU? Yes we want to buy a cluster and we want the "right" CPU. > Some people on this list may have already done this. My personal preference > is Intel Pentium III's right now because: > > o P IV's are way too expensive > o P III's are dirt cheap > o There are a ton of dual-CPU motherboard options for the PIII allowing > me flexible choices of system packaging and vendor > o Athalon / AMDs are super fast but your motherboard choices are > limited and you need to be really careful about cooling and ventilation But, PTM III is an "old" processor, it isn't???? PTM IV, I agree with you... Athlon....I don't know enough about that... Regards