Marcelo H Majczak wrote: > Regarding the i386, why is it -xchip=pentium4 and -xcache=8/64/4:256/128/8 ? > The cache seems under specd for most recent chips while pentium4 leaves the > pentium mobile out (pentium3)...
Pentium M is a P3 ? > Now an honest question, what is the impact of under specing the cache? Less chances of cache thrashing for CPU's with a smaller L2. > My build is not meant for distribution, could I use "-fast -O3 -xspace" > and expect better performance (even if marginal)? I don't understand the -fast -xO3 -xspace combo. The expansion of -fast can change between compiler releases. --Stefan -- Stefan Teleman Sun Microsystems, Inc. Stefan.Teleman at Sun.COM
