From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alessio Terpin To: help-gcc@gnu.org Subject: Help on difference of running on varius x86 with linux Date: Sat, 01 Apr 2000 00:00:00 -0000 Message-ID: <38E532F8.2A1C03BE@infis.univ.trieste.it> X-SW-Source: 2000-q1/msg00435.html Message-ID: <20000401000000.ZBUb_EM3rQ7Oa5EhAhzeBzYjqpXDTuzA6VeWw8WDV8E@z> hi ML I'm Alessio Terpin a student of Physic of the University of Trieste (Italy) for my thesis i wrote down C code using as tool for compiling the gcc on Red Hat 6.1 Linux platform The hardware that i have used is P 200 64M PMMX 233 128M K6-2 400 128M Profiling my code on this platform i have notice that the same compiled file with Optimization level machine independent -O1 -O2 -O3 present difference in the cpu consume of the varies function so i have thought that this depend from the different architecture of the CPU. It's right or there is some things that i don't have see. In this case i think that the machine code is for 386 Another question when i use CPU optimization, i have used the same that are used for compile the kernel what happen ? Can give suggest where find this info Thanks in Advance for all help can give me P.S. Sorry for my English :-) -- Saluti da Alessio Terpin |---------------------------------------| | Hello World! | | The most difficult things to do ! K&R | |---------------------------------------|