Passing pointers is not significantly faster than passing offsets into a shared memory pool.
Sorry, what? Passing a pointer is a matter of wrapping the value into the CPU register. OTOH passing an offset into a shared memory is a write to main memory so several magnitudes slower.
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Sorry, what? Passing a pointer is a matter of wrapping the value into the CPU register. OTOH passing an offset into a shared memory is a write to main memory so several magnitudes slower.