Equipment: wheels. Quite a few, or a decent SSD. Much of what you do will be based on disk by the compiler. Not to mention getting the latest version (alone), but, for example, the C ++ compiler generates QUITE several intermediate files during the build process. A decent fast subsystem can make a recognizable difference. This is especially not for you, but for some colleagues, sotit can work a lot at the same time.
Well, enough RAM and a modern multi-core processor, not to mention.
Tomtom
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