Re: [ROOT] Problems with TSelector

From: Konstantin Olchanski (olchansk@sam.triumf.ca)
Date: Thu Dec 18 2003 - 21:00:51 MET


On Thu, Dec 18, 2003 at 05:16:05PM +0100, Christian Vogel wrote:
>  Now, Notify() is called for EVERY EVENT in the second file.
>  Things get very, very, very slow.

I confirm this problem- when TChaining TTrees using ROOT v3.10.01 built
on RHL8.0, TSelector->Notify() is called twice for the first tree,
then once for every event for subsequent trees. Iterating the
first tree is very fast, iterating subsequent trees is very slow.

-- 
Konstantin Olchanski
Data Acquisition Systems: The Bytes Must Flow!
Email: olchansk-at-triumf-dot-ca
Snail mail: 4004 Wesbrook Mall, TRIUMF, Vancouver, B.C., V6T 2A3, Canada



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