>Id be guessing on the CFLAGS used. >Did you use similar CFLAGS in your tests on the RH system? >This can create sizable differences in compile time and memory used. I did use the same C/CXXFLAGS for the testing. I used "-march=pentium3 -O3 -pipe". I also tried the -fno-inline, it helped a bit, but still doesn't explain the large memory consumption differences between the two compilers.
