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Question about memory usage difference


Dear all,

I am using RH7.1 with glibc-2.2.2-10. I installed both gcc-2.95.3 and
gcc-2.91 (egcs-1.1.2).

I know there is a big change from gcc-2.91 to gcc-2.95.3. I tried to use
both of them to compile set of source files. I found that the number of
disk reads are larger when memory size decreases when using gcc-2.95.3.

Is that because in gcc-2.95.3, the developers tried to reduce memory
requirement in a way that caused more disk caches reserverd? (just a tentative
guess)

Anyway, can some body tell me how the memory usage differs between 
gcc-2.95.3 and gcc-2.91 when compiling the same source?

Or, anywhere I can find out the related information? or which part of the
source code should I look for?

Thanks a lot!

-- 
Cheers!

Zou Min 


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