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test_razf.c

#include "razf.h"
#include "kstream.h"
#include <time.h>

KSTREAM_INIT(RAZF*, razf_read, 4096)

int main(int argc, char **argv){
      RAZF *rz = razf_open_r(open(argv[1], O_RDONLY));
      unsigned int n = 32 * 1024 * 1024;
      void *buffer = alloca(1<<12);
      clock_t t1 = clock();
      int i;
      for(i=0;i<n;i++){
            razf_read(rz, buffer, 1);
      }
      clock_t t2 = clock();
      fprintf(stderr, " -- time %.3lf , n = %u in %s -- %s:%d --\n", ((double)(t2-t1) / CLOCKS_PER_SEC), n, __FUNCTION__, __FILE__, __LINE__);
      razf_seek(rz, 0, SEEK_SET);
      t1 = clock();
      for(i=0;i<n>>12;i++){
            razf_read(rz, buffer, 1<<12);
      }
      t2 = clock();
      fprintf(stderr, " -- time %.3lf , n = %u in %s -- %s:%d --\n", ((double)(t2-t1) / CLOCKS_PER_SEC), n, __FUNCTION__, __FILE__, __LINE__);
      razf_seek(rz, 0, SEEK_SET);
      kstream_t *ks = ks_init(rz);
      t1 = clock();
      for(i=0;i<n;i++){
            ks_getc(ks);
      }
      t2 = clock();
      fprintf(stderr, " -- time %.3lf , n = %u in %s -- %s:%d --\n", ((double)(t2-t1) / CLOCKS_PER_SEC), n, __FUNCTION__, __FILE__, __LINE__);
      razf_close(rz);
      return 0;
}

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