Kinetis Microcontrollers中的主题 Software Floating Point Performance on KL25 https://community.nxp.com/t5/Kinetis-Microcontrollers/Software-Floating-Point-Performance-on-KL25/m-p/232051#M5128 <HTML><HEAD></HEAD><BODY><P>Hi All</P><P></P><P>I'm currently trying to find any information on software floating point performance on KL25 MCUs. For simplicity's sake and the fact that I need approx. a time resolution of 1ms I am planning to use float values wherever they seem convenient. Like this I can save myself some trouble with integer scaling mistakes and the code becomes more readable and debuggable.</P><P></P><P>However, I have hardly any idea of how fast software floating point operations will perfom on my KL25. On smxrtos.com (however, I'm not using any RTOS) I found some values to be between 1..160us, depending on the kind of operation. But this maybe has not much to do with KL25.</P><P></P><P>Can anyone give me an estimation on what I should expect? </P><P></P><P>Cheers</P><P>Adrian</P></BODY></HTML> Wed, 20 Mar 2013 11:45:08 GMT adriangeiger 2013-03-20T11:45:08Z Software Floating Point Performance on KL25 https://community.nxp.com/t5/Kinetis-Microcontrollers/Software-Floating-Point-Performance-on-KL25/m-p/232051#M5128 <HTML><HEAD></HEAD><BODY><P>Hi All</P><P></P><P>I'm currently trying to find any information on software floating point performance on KL25 MCUs. For simplicity's sake and the fact that I need approx. a time resolution of 1ms I am planning to use float values wherever they seem convenient. Like this I can save myself some trouble with integer scaling mistakes and the code becomes more readable and debuggable.</P><P></P><P>However, I have hardly any idea of how fast software floating point operations will perfom on my KL25. On smxrtos.com (however, I'm not using any RTOS) I found some values to be between 1..160us, depending on the kind of operation. But this maybe has not much to do with KL25.</P><P></P><P>Can anyone give me an estimation on what I should expect? </P><P></P><P>Cheers</P><P>Adrian</P></BODY></HTML> Wed, 20 Mar 2013 11:45:08 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Software-Floating-Point-Performance-on-KL25/m-p/232051#M5128 adriangeiger 2013-03-20T11:45:08Z