hi all, i want to know the number of cycles for addition, float addition, shift, multiplication and float multiplication of STM32F103REY help me please

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Super User

Cycles per instruction for Cortex-M3 can be seen here:

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Associate

thenkyou sir

Guru

Sounds like a home work question.

For the float math it is gpong to be highly variable, depending on the numbers and the math library.

You can get the MCU to count cycles using DWT_CYCCNT, Google It

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