hi everyone,
-funroll-loops
Perform the optimization of loop unrolling. This
is only done for loops whose number of iterations
can be determined at compile time or run time.
-funroll-all-loops
Perform the optimization of loop unrolling. This
is done for all loops. This usually makes programs
run more slowly.
ok, -funroll-all-loops usually makes programs run more slowly. it also
clearly makes the executable larger.
so what exactly are we optimizing here?
pete
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