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On Cortex-M4F microcontrollers: is fixed point math faster or floating point?

Hi,

I am using S32K14x controllers (Coretx-M4F). It has floating point math unit. I need to perform many mathematical operations as fast as possible. Which will be faster: fixed point q16 or fixed point q32 or single precision (32 bit) floating point?

Regards,

Pramod

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0 Ronan Synnott over 4 years ago in reply to Pramod Ranade

Hi Pramod,

Hypothetically yes, however do your ISRs use the FPU registers?
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0 Ronan Synnott over 4 years ago in reply to Pramod Ranade

Hi Pramod,

Hypothetically yes, however do your ISRs use the FPU registers?
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0 Pramod Ranade over 4 years ago in reply to Ronan Synnott

Ronan Synnott said:
Hypothetically yes, however do your ISRs use the FPU registers?

Yes!
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