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为什么这块芯片处理浮点比处理定点的快?一般不是处理浮点数要慢么?



High-Performance Floating-Point Digital
Signal Processor (DSP):
-- TMS320VC33-150
-- 13-ns Instruction Cycle Time
-- 150 Million Floating-Point Operations
Per Second (MFLOPS)
-- 75 Million Instructions Per Second
(MIPS)
-- TMS320VC33-120
-- 17-ns Instruction Cycle Time
-- 120 MFLOPS
-- 60 MIPS

哪个知道?