// work for fairly unclear gain.)
uint64_t matched = scan_all_docids(needles, fd, corpus);
dprintf("Done in %.1f ms, found %" PRId64 " matches.\n",
- 1e3 * duration<float>(steady_clock::now() - start).count(), matched);
+ 1e3 * duration<float>(steady_clock::now() - start).count(), matched);
if (only_count) {
printf("%" PRId64 "\n", matched);
}