Todd Finney pointed me at a site documenting some kernel benchmarks. These benchmarks show that on a pentium III, lmbench doesn't gain any improvements over the performance of kernels which didn't offer the pentium III optimizations:
http://euclid.nmu.edu/~benchmark/ Discussion of this on /. http://slashdot.org/article.pl?sid=01/05/09/2327242&mode=thread Unfortunately, lmbench is narrowly focussed, so it's not safe drawing conclusions about any typical workloads. FYI, -- Raul
