hi , I am testing some code on a custom board containing stm32H7 , using CudeIDE and segger J-link EDU . using STlink V2 everything works normally. however using J-link debugging works OK , but when I program release version it programs correctly but...

I am benchmarking Stm32h7 processor on floating point operations and using CYCCNT to measure the performance difference .I placed my function in ITCM-RAM. which is just a function that does double math multiplication 10,000 times, the 4 variables use...