char *output;

  _distren_asprintf(&output, "%s/benchmark#.jpg", datadir); // Where to save benchmark output

  char *realOutput;

  _distren_asprintf(&realOutput, "%s/benchmark%d.jpg", datadir, frameToRender); // Where to save benchmark output

  char *input;

  _distren_asprintf(&input, "%s/benchmark.blend", datadir); // Input file

  fprintf(stderr,"Downloading benchmark data...\n");

  curlget("http://data.distren.org/benchmark.blend", input); // Download to input file location

  char *command = "blender"; // @TODO: We currently expect this to be in PATH

  char *cmd[] = { command, "-b", input, "-o", output, "-f", frame_str, "-t", "0", (char *)NULL }; // arguments for blender

  // fprintf(stderr,"Preparing to execute command: %s -b %s -o %s -f %s\n", command, input, output, frame_str);

  fprintf(stderr,"Running benchmark...\n");

  long startTime;

  long endTime;

  time(&startTime);

  struct execio *testrem;

  size_t readlen;

  ret = execio_open(&testrem, command, cmd);

  while(!execio_read(testrem, buf, 20, &readlen))

    {

      if(readlen > 20) {

        fprintf(stderr, "Something is terribly wrong!\n");

       }

       buf[readlen] = '\0';

       fprintf(stderr, "read \"%s\"\n", buf);

    }

  execio_close(testrem);

  time(&endTime);

  struct stat buffer;

  int ostatus = stat(realOutput, &buffer);

  if(ostatus == -1){

    ret = 1; // Return error if output wasn't generated

  }

  else

    remove(output);

  *benchmarkTime = abs(difftime(startTime,endTime));

  float tmp = *benchmarkTime;

  tmp = (1/tmp) * 50000;

  *renderPower = (int)tmp;