disbale sc_assert statements

[rahuljn]

Hi Folks

 

With C++ assert statements it is possible to disbale all assert() statemenets using NDEBUG macro.

Is it also possible to do the same for sc_assert() ?

 

Thanks

 

[Philipp A Hartmann]

Yes, defining NDEBUG also disables the sc_assert statements in the SystemC proof-of-concept implementation.

 

Having said that, I don't think it is a good idea to do so globally.  You usually want your simulation to reliably abort in case of an error/bug, instead of running into arbitrary undefined behaviour.

 

I would recommend to leave assertions active by default until profiling proves that (specific) assertions have a significant performance impact.  In such cases, selectively disable only these assertions in optimized configurations.

 

/Philipp

[rahuljn]

Hello Philipp

 

With following example, where I have #define NDEBUG, the sc_assert is still executed.

#include "systemc.h"
#define NDEBUG

SC_MODULE(trial){
    public:
    int i;
    SC_HAS_PROCESS(trial);
    trial(sc_module_name name){
        i=10;
        sc_assert(i!=10);
    }
};

int sc_main(int , char**){
    trial et("et");
    sc_start();
    return 0;
}

 

 

Thanks

[Philipp A Hartmann]

The same would be the case for a plain C assert:

#include <cassert>
#define NDEBUG

int main()
{
  assert( false );
}

I'll leave the solution as an exercise for the reader. ;-)
(Hint: look for the word "before" in the link above.)

 

/Philipp

[rahuljn]

Thanks

Got the point.

 

Thanks again.