The operational performance of projects compiled by S32DS keil IAR

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The operational performance of projects compiled by S32DS keil IAR

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zhangchun
Contributor III

I am optimizing an electrical engineering project and currently using S32DS for development. After optimization, the logic of the motor control part requires 30us, which cannot meet my needs.

I would like to know if using keil or IAR can improve code performance? Because I saw someone using Keil to compile results that looked a lot better from the perspective of occupied memory space

https://mp.weixin.qq.com/s?__biz=MzI0MDk0ODcxMw==&mid=2247485570&idx=1&sn=0523356c29468baed0abeffea8...

zhangchun_0-1692283357166.png

 

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jiri_kral
NXP Employee
NXP Employee

Hi, 

it's hard to answer if the using IAR or Keil can fix your issue - you need to test it by yourself. It is possible than Keil or IAR will be better than GNU gcc (which is free open source tool).  

 

Best way - especially in such time critical parts like motor control - is manual optimization of your code and find the way how to write it better. 

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jiri_kral
NXP Employee
NXP Employee

Hi, 

it's hard to answer if the using IAR or Keil can fix your issue - you need to test it by yourself. It is possible than Keil or IAR will be better than GNU gcc (which is free open source tool).  

 

Best way - especially in such time critical parts like motor control - is manual optimization of your code and find the way how to write it better. 

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zhangchun
Contributor III
Thank you for your reply

After experiments, the performance of the same code running on keil did not improve,

Thank you for your big suggestion. I will manually optimize the code later on
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