Paul Rogers wrote:
It's 3-D. The issues are CPU, host OS, and desired system.
CPU host OS target OS path
32-bit 32-bit 32-bit LFS as is
32-bit 32-bit 64-bit CLFS
64-bit 32-bit 32-bit LFS as is
64-bit 32-bit 64-bit CLFS
64-bit 64-bit 32-bit (LFS with -march/-CTARGETS?)
CLFS but why?
64-bit 64-bit 64-bit LFS as is
On my i686 running all the programs I normally use, I am using about
2G of RAM with the rest free. In this case, the 3G that I have
installed provides a reasonable buffer for other programs.
AIUI a 32-bit system can make only marginal use of RAM above 3GB or so.
It's fine up to 4GB. It can handle more, but is slow. It does that using
techniques similare to the old 16-bit CPUs addressing more than 64K by
swapping segment registers.
-- Bruce
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