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# 1 2009-03-03 19:48:17 Which datatype is the fastest to aaccess in C?

sima: Member; Registered: 2008-12-10; Posts: 16

Which datatype is the fastest to aaccess in C?

Is the u32/s32 data type the fastest to use in STM32 when programming in C?

Are smaller datatypes slower to use?

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# 2 2009-03-10 23:30:22 Which datatype is the fastest to aaccess in C?

kubsztal: Member; Registered: 2009-01-27; Posts: 15

Re: Which datatype is the fastest to aaccess in C?

Seems that smaller local types generate bigger code - take a look at page 16:
http://www.evalkits.com/files/LuminaryM … rtexM3.pdf

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