Also, most modern x86 processors can perform single-precision operations twice as fast as double-precision, which helps (and saving memory bandwidth is good too.)
On PPC/ARM, single-precision allows you to use Altivec/NEON, which can give significant performance boosts as well.
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Also, most modern x86 processors can perform single-precision operations twice as fast as double-precision, which helps (and saving memory bandwidth is good too.)
On PPC/ARM, single-precision allows you to use Altivec/NEON, which can give significant performance boosts as well.