source: tests/zombies/string-perf/prog.cfa @ 01db301

#if defined IMPL_STL
  #include <string>
  #include <iostream>
  #include <cstdio>
  using namespace std;

#elif defined IMPL_CFA_HL_SHARE
  #define IMPL_CFA_HL

#elif defined IMPL_CFA_LL_SHARE
  #define IMPL_CFA_LL

#elif defined IMPL_CFA_HL_NOSHARE
  #define IMPL_CFA_HL
  #define CFA_NOSHARE

#elif defined IMPL_CFA_LL_NOSHARE
  #define IMPL_CFA_LL
  #define CFA_NOSHARE

#elif defined IMPL_BUHR94
  #include <iostream>
  #include <cstdio>
  #include "/u0/mlbrooks/usys1/sm/string/StringSharing/src/string.h"

#else
  #error Bad IMPL_
#endif


#if defined IMPL_CFA_HL
  #include <string.hfa>
#elif defined IMPL_CFA_LL
  #include <string_res.hfa>
#endif

#if defined CFA_NOSHARE
  #include <string_sharectx.hfa>
  #define STRING_SHARING_CONTROL \
    string_sharectx c = { NO_SHARING };
#else 
  #define STRING_SHARING_CONTROL
#endif


#include <time.h>


#if defined IMPL_STL || defined IMPL_BUHR94
    #define PRINT(s) std::cout << s << std::endl
#elif defined IMPL_CFA_HL || defined IMPL_CFA_LL
    #define PRINT(s) sout | s;
#else
    #error Unhandled print case
#endif

volatile int checkthis = 0;
#define MAYBE( op ) if (checkthis) { op; }

int main( int argc, char ** argv ) {

        STRING_SHARING_CONTROL

        enum { NumConcats = 100, Times = 5000000 };
        clock_t start, end;

    int corpuslen = argc - 1;
    char ** corpus = argv + 1;

    #if defined IMPL_CFA_LL
        string_res x = "foo2";
        string_res y;
        string_res z;
        #define RESET y = x;
    #else
        string x = "foo2";
        string y;
        #define RESET y = x;
    #endif

    start = clock();
    for ( volatile unsigned int t = 0; t < Times; t += 1 ) {
            RESET
            for ( volatile unsigned int i = 0; i < NumConcats; i += 1 ) {
              MAYBE( PRINT(y) )
              char *toAppend = corpus[i%corpuslen];
              #if defined OP_PLUS_THEN_ASSIGN && defined IMPL_CFA_LL
                 z = y;
                 z += toAppend;
                 y = z;
              #elif defined OP_PLUS_THEN_ASSIGN
                 y = y + toAppend;
              #elif defined OP_PLUSEQ
                 y += toAppend;
              #endif
            }
    }
    end = clock();
    double elapsed = ((double) (end - start)) / CLOCKS_PER_SEC;
    printf("%f sec\n", elapsed);

    return 0;
}