Re: [Pytables-users] File.walkNodes() performance

2007-09-25 Thread Michael Hoffman
Francesc Altet wrote: > A Monday 24 September 2007, Michael Hoffman escrigué: >> Francesc Altet wrote: >>> A Monday 24 September 2007, Francesc Altet escrigué: A Monday 24 September 2007, Michael Hoffman escrigué: > Perhaps it would still take the same time over the whole file, > but I

Re: [Pytables-users] File.walkNodes() performance

2007-09-25 Thread Francesc Altet
A Monday 24 September 2007, Michael Hoffman escrigué: > Francesc Altet wrote: > > A Monday 24 September 2007, Francesc Altet escrigué: > >> A Monday 24 September 2007, Michael Hoffman escrigué: > >>> Perhaps it would still take the same time over the whole file, > >>> but I think that by doing a de

Re: [Pytables-users] File.walkNodes() performance

2007-09-24 Thread Michael Hoffman
Francesc Altet wrote: > A Monday 24 September 2007, Francesc Altet escrigué: >> A Monday 24 September 2007, Michael Hoffman escrigué: >>> Perhaps it would still take the same time over the whole file, but >>> I think that by doing a depth-first search I can get to the first >>> Leaf more quickly. >

Re: [Pytables-users] File.walkNodes() performance

2007-09-24 Thread Francesc Altet
A Monday 24 September 2007, Francesc Altet escrigué: > A Monday 24 September 2007, Michael Hoffman escrigué: > > Hi Francesc. Thanks for the explanation. > > > > Francesc Altet wrote: > > >> Additionally, what would you think about allowing the user to > > >> specify a depth-first iteration in the

Re: [Pytables-users] File.walkNodes() performance

2007-09-24 Thread Francesc Altet
A Monday 24 September 2007, Michael Hoffman escrigué: > Hi Francesc. Thanks for the explanation. > > Francesc Altet wrote: > >> Additionally, what would you think about allowing the user to > >> specify a depth-first iteration in the walk functions? That is how > >> I will work around the problem u

Re: [Pytables-users] File.walkNodes() performance

2007-09-24 Thread Michael Hoffman
Hi Francesc. Thanks for the explanation. Francesc Altet wrote: >> Additionally, what would you think about allowing the user to specify >> a depth-first iteration in the walk functions? That is how I will >> work around the problem unless you think a fix to this issue will be >> forthcoming very

Re: [Pytables-users] File.walkNodes() performance

2007-09-24 Thread Francesc Altet
Hello Michael, A Monday 24 September 2007, Michael Hoffman escrigué: > Thanks again for providing PyTables, which is a big help in my > research. I am now dealing with files of tens of gigabytes which > would probably be unthinkable to manage without PyTables. But using > such large files brings s

[Pytables-users] File.walkNodes() performance

2007-09-23 Thread Michael Hoffman
Thanks again for providing PyTables, which is a big help in my research. I am now dealing with files of tens of gigabytes which would probably be unthinkable to manage without PyTables. But using such large files brings some performance issues. I have a 26 GiB PyTables file which has a hierarch