Very similar question and good answers here: #include all .cpp files into a single compilation unit?
The summary seems to be that less I/O overhead is the major benefit.
See also The Magic Of Unity Builds as linked in the above question as well.
Very similar question and good answers here: #include all .cpp files into a single compilation unit?
The summary seems to be that less I/O overhead is the major benefit.
See also The Magic Of Unity Builds as linked in the above question as well.