From mboxrd@z Thu Jan 1 00:00:00 1970 From: "David Dabbs" Subject: RE: Performance improvements to key comparison functions Date: Tue, 13 Jul 2004 17:18:43 -0500 Message-ID: <20040713221928.70FA315D92@mail03.powweb.com> References: <40F42B13.3040009@namesys.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com In-Reply-To: <40F42B13.3040009@namesys.com> List-Id: Content-Type: text/plain; charset="us-ascii" To: 'Hans Reiser' Cc: reiserfs-list@namesys.com Scratch the per-level caching idea. What was I thinking? A cached node's level is not invariant. But (pardon my ignorance of the tree operations) could nodes at different tree levels have ld_/rd_key ranges within which the key sought could fit, or is the level check present to avoid key comparisons against nodes that cannot possibly match (because the level is different)? david