You are right, I was just thinking at user level.
While making the 64bit Linux version of LDCad, most problems I had were due to G++ being much more strict then the (old) mingw version, which indeed generated more warnings. Haven't really tested speed differences though, have to build a 64 bit Windows version for that someday (So i can run both in the same environment).
Memory wise 32bit is indeed more then enough for LDraw, datsville for example uses about 500MB in LDCad. But the model as a whole is to slow to edit, but you can double click on any of the submodels and edit those at full speed. And switch back to inspect the overall changes when needed.
While making the 64bit Linux version of LDCad, most problems I had were due to G++ being much more strict then the (old) mingw version, which indeed generated more warnings. Haven't really tested speed differences though, have to build a 64 bit Windows version for that someday (So i can run both in the same environment).
Memory wise 32bit is indeed more then enough for LDraw, datsville for example uses about 500MB in LDCad. But the model as a whole is to slow to edit, but you can double click on any of the submodels and edit those at full speed. And switch back to inspect the overall changes when needed.