486DLC Tuning

Skylar Thompson skylar at cs.earlham.edu
Sat Oct 15 11:46:38 PDT 2005


Joshua Coombs wrote:

> I have a 386 with a Cyrix 486DRx2-66 (clock doubled DLC) that I moved 
> from 4.11 to 6.0.  So far it's running decently, I've got more net/hd 
> throughput than I had before, by a factor of two for net, but the box 
> 'feels' like I'm not getting the same cpu perf I had before.  Without 
> benchmarks, I'm not in the best position to prove it, but I figured 
> I'd try some basic tuning to see if I could improve things.


I know SMPng introduces different locking semantics that (for now) 
reduce CPU performance, but I'm not sure if that only affects SMP boxen 
or if it also affects uniprocessor boxen as well.

-- 
-- Skylar Thompson (skylar at cs.earlham.edu)
-- http://www.cs.earlham.edu/~skylar/

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