Sample timings using Heroku CI for a small-ish Rails 6 app on various Heroku dyno types:
Dyno Type | Run 1 Duration | Run 2 Duration | Run 3 Duration | Average Duration |
---|---|---|---|---|
standard-1x | 312 | 213 | 303 | 276 |
standard-2x | 227 | 121 | 222 | 190 |
performance-m | 162 | 164 | 175 | 167 |
performance-l | 100 | 104 | 107 | 104 |