Re: [RFC][PATCH] Scalable FD Management using Read-Copy-Update

[Anton Blanchard]

> This patch provides a very good performance improvement in file 
> descriptor management for SMP linux kernel on a 4-way machine with the 
> expectation of even higher gains on higher end machines. The patch uses the 
> read-copy-update mechanism for Linux, published earlier at the sourceforge
> site under Linux Scalablity Effort project.
>        http://lse.sourceforge.net/locking/rclock.html.

Good stuff!

It would be interesting to try a filesystem benchmark such as dbench. On
a quad PPC fget was chewing up more than its fair share of cpu time.

Anton