Re: [rfc] Near-constant time directory index for Ext2

From: Martin Mares (
Date: Wed Feb 21 2001 - 16:08:35 EST


> Have You tried to use skiplists ?
> In 93 I've coded a skiplist based directory access for Minix and it gave very
> interesting performances.
> Skiplists have a link-list like performance when linear scanned, and overall
> good performance in insertion/seek/delete.

Skip list search/insert/delete is O(log N) in average as skip lists are just a
dynamic version of interval bisection. Good hashing is O(1).

                                Have a nice fortnight

Martin `MJ' Mares <> <>
Entropy isn't what it used to be.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

This archive was generated by hypermail 2b29 : Fri Feb 23 2001 - 21:00:25 EST