Every time I access the form on my module with data always show transparent loading?

It gives latency, Is this module issue with too much field?

When debugging in js:

reflow: 0.29ms
reflow: 0.11ms
reflow: 0.11ms
reflow: 0.12ms
reflow: 0.11ms
reflow: 0.15ms
reflow: 0.13ms
reflow: 0.11ms
reflow: 0.13ms
reflow: 0.14ms
reflow: 0.14ms
reflow: 0.13ms
reflow: 0.13ms
reflow: 0.1ms
reflow: 0.15ms
reflow: 0.12ms
reflow: 0.11ms
reflow: 0.12ms
reflow: 0.1ms