Hi HP, On Wed, 27 Nov 2002, HP Wei wrote: > hi, > I am trying to understand how the compression in > a ROOT branch is done. > Block by block ? And there is no relation between > blocks ??? > Compression is block by block, no relations between blocks > In particular, suppose I have a branch with > billions of entries. > will there be time difference between the time > for accessing, say, 1000 entries > in the beginning of the branch > and near the end of the branch ? > Should be the same time in a first approximation. Rene Brun
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