Hello, in message <3CB54817FDF733459B230DD27C690CEC010495E3@xxxxxxxxxxxxxxxxx> you wrote: > > The desktop/server guys typically use much larger caches (i.e. >= 512K) > and most have L2, compared to embedded systems which typically use less > without an L2. So I'd also expect embedded guys using small caches to see > larger decreases in performance due to more cache misses (i.e. more > interrupts produce more evictions). Corrent. FYI: the system used in my tests is a PowerPC at 50 MHz CPU clock with 4 kB I-Cache and 4 kB D-Cache ... Best regards, Wolfgang Denk -- Software Engineering: Embedded and Realtime Systems, Embedded Linux Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@xxxxxxx Every program has at least one bug and can be shortened by at least one instruction - from which, by induction, one can deduce that every program can be reduced to one instruction which doesn't work.
