[Primeusers] Release 1.0 of PrimeGSR
Lars Arvestad
arve at csc.kth.se
Mon Feb 16 11:39:11 CET 2009
I am not sure what you mean by "branch lengths roughly half of the
branches of the 1.0 root tree".
Do you mean the root is at 0.5?
The number after -c affects the run time quadratically, but the actual
branchlengths should not affect memory.
Lars
Filipe Garrett wrote:
> Scaling the tree to 1.0 at the root apparently works (still running) with both 90 ("-c 200") and 375
> ("-c 400") sequences; although with 375 sequences needs too much memory (around 11Gb).
>
> Changing the "-c" option greatly influences memory usage and speed. I've also tried a scaled tree
> with branch lengths roughly half of the branches of the 1.0 root tree, and it only works with "-c"
> equal to at least 500. Is it normal that a reduction in branch lengths to half leads to such an
> increase in memory usage and time (from 700Mb to 4Gb and approx. 10x slower)??
--
School of Computer Science and Communication
and Stockholm Bioinformatics Center
http://www.csc.kth.se/~arve
More information about the Primeusers
mailing list