Benny Siegert wrote: > In benchmarks for Go, the devs found that 64-bit code gives a > 10-15% speedup across the board. This is because there are more > processor registers in 64-bit mode, so more variables can be kept > in registers.
On the other hand, more compact size_t, ptrdiff_t and pointers make code more cache friendly. In my experience, 32bit code was faster than equivalent 64bit code. Alex
