message: demo: Improve vcachetester layout
  Print 4 triangles per row to reduce total width and output the total
  number of indices.
diff: @@ -306,11 +306,11 @@ void testCacheSequence(IDXGIAdapter* adapter, int argc, char** argv)
  for (size_t i = 0; i < ib.size(); ++i)
  xformed_total += xformed[i];
  - printf("// Sequence:");
  + printf("// Sequence: %d indices", int(ib.size()));
  for (size_t i = 0; i < ib.size(); ++i)
  {
  - if (i % 24 == 0)
  + if (i % 12 == 0)
  {
  printf("\n// %3d*3:", int(i / 3));
  }
  