2.14.4. Enable Intermediate Fitter Snapshots
However, you can turn on Enable Intermediate Fitter Snapshots (Assignments > Settings > Compiler Settings) to generate and preserve snapshots for the Plan, Place, Route, and Retime stages any time you run full compilation. You can also run any intermediate Fitter stage independently to generate the snapshot for that stage.
With the Enable Intermediate Fitter Snapshots option enabled, multiple snapshots are saved during the Fitter stages, allowing more flexible iteration of intermediate Fitter steps. For example, you can resume and rerun from the Place snapshot as opposed to starting from the Fitter Plan stage, saving compilation time. However, with this option enabled, you might incur extra runtime to write the intermediate snapshots during Fitter stage and disk space consumption is more in order to accommodate the additional snapshots.