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Using the option '''-j x''' (where x is the number of your CPU-Cores you wish to assign to the job) will speed up the whole compilation process considerably. | Using the option '''-j x''' (where x is the number of your CPU-Cores you wish to assign to the job) will speed up the whole compilation process considerably. | ||
== Disk usage == | == Disk usage and build time == | ||
If you don't have a fast machine, it | Keeping compiled programs, source code and data repositories requires some hard disk space: it will take something like 12 GB of space for just [[SimGear]], FlightGear and [[FGData]] (i.e., the SIMGEAR, FGFS and DATA components). | ||
With an Intel Core i7 860 CPU (2.80 GHz) purchased in 2009, compiling [[SimGear]] and FlightGear 2019.2 with option <code>-j8</code> takes about 14 minutes. If you don't have a fast machine and build using only one core, it may require several hours. | |||
== Optimus technology == | == Optimus technology == |
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