mhampton wrote: > Seems about 8 times slower at some basic tests I have compared to > sagenb.
Hi Marshall, You surprise me about the speed. I would have expected a lot more than 8x slower! I find 't2' *depressingly* slow - almost unusable. Here's a comparison of the time to build the first 12 packages in Sage on several machines (i.e. build up to and including opencdk-0.6.6.p2). In all cases * The machines were idle * Used local file systems. * The build was not attempted in parallel. * The machines had plenty of RAM for the task. Sun Ultra 27 - 3.33 GHz Xeon CPU,12 GB RAM): < 1 minute HP C3600 --- 550 MHz PA-RISC CPU, 8 GB RAM): 16 minutes Sun T5240 (t2) - 1167 MHz T2+ CPU 32GB RAM): 27 minutes I measured these times by looking at the time stamps in spkg/installed. When you consider the Sun T5240 (t2) is a current machine and the HP C3600 is a 10 year single-CPU workstation old, it is surprising how much faster the old HP is! Of course the Sun Ultra 27, with its 3.33 GHz Xeon processor, blows both of them away. The T2+ processors in 't2' are really designed for things like busy web servers and databases, where there are a lot of processes demanding CPU time. They are *very* badly suited to what we are using 't2' for now. > If you have a chance, can you try installing the optional biopython, > lrs, and sandpile packages? > > Thanks for setting that up. > > -Marshall Hampton Sure I'll try to install those. It will take me some time, as there is no compiler in the 'zone' so I need to make one available. Neither does the 'zone' do DNS lookups, so I'll need to configure that. I built Sage on 't2' then copied it into the zone. But the zone only has available to it what resources I shared - which I limited to the bare essentials. Dave -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
